917
FNUS51 KLWX 171832
FWFLWX
FIRE WEATHER PLANNING FORECAST FOR W AND CTL MD
..E WV...N VA
DC
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
231 PM EDT MON AUG 17 2026
DISCUSSION
A COLD FRONT APPROACHING FROM THE UPPER OHIO VALLEY WILL PUSH
SOUTH THROUGH MOST OF THE REGION BY TUESDAY MORNING. HIGH
PRESSURE WILL BUILD IN FROM THE MIDWEST TUESDAY INTO WEDNESDAY.
ANOTHER COLD FRONT WILL APPROACH FROM THE WEST WEDNESDAY NIGHT INTO
THURSDAY, THEN LINGER INTO FRIDAY. COASTAL LOW PRESSURE MAY
DEVELOP ALONG THIS BOUNDARY THIS WEEKEND.
VAZ054-180800-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
INCLUDING THE CITIES OF REAGAN NATIONAL AIRPORT, ARLINGTON,
BALLSTON, BARCROFT, CHERRYDALE, RIVERCREST, AND ROSSLYN
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 72 (-1) 88 (-3) 69 89
RH % (24H TREND) 95 (-2) 54 (-2) 82 43
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR W 5
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 5610 6770
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 39270 47390
MAX ADI EARLY 29 FAIR 39 FAIR 41 GEN GOOD 41 GEN GOOD
MAX ADI LATE 4 VERY POOR 55 GEN GOOD 4 VERY POOR 65 GOOD
MAX LVORI EARLY 5 6 3 4
MAX LVORI LATE 6 2 4 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE UPPER 80S.
NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ055-180800-
STAFFORD-
INCLUDING THE CITIES OF ARKENDALE, GARRISONVILLE, SHILOH,
WIDEWATER, BROOKFIELD, FALMOUTH, AND GLENDIE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 70 (-3) 87 (-6) 67 89
RH % (24H TREND) 100 (+7) 58 (+6) 91 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.12 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 12 AM
MIXING HGT(FT-AGL/MSL) 4880 6530
TRANSPORT WND (MPH) N 8 W 7
VENT RATE (KT-FT) 34160 39180
MAX ADI EARLY 33 FAIR 37 FAIR 32 FAIR 28 FAIR
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 4 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 7 7 5 6
MAX LVORI LATE 8 3 5 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE UPPER 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ056-180800-
SPOTSYLVANIA-
INCLUDING THE CITY OF FREDERICKSBURG
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 50 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 70 (-3) 87 (-5) 66 89
RH % (24H TREND) 100 (+5) 60 (+6) 93 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.17 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 12 AM
MIXING HGT(FT-AGL/MSL) 5080 6450
TRANSPORT WND (MPH) N 8 W 7
VENT RATE (KT-FT) 35560 38700
MAX ADI EARLY 33 FAIR 37 FAIR 31 FAIR 28 FAIR
MAX ADI LATE 3 VERY POOR 50 GEN GOOD 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 8 9 5 6
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S.
NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. NORTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ057-180800-
KING GEORGE-
INCLUDING THE CITIES OF ROLLINS FORK AND DAHLGREN
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 71 (-3) 87 (-4) 68 88
RH % (24H TREND) 100 (+5) 60 (+1) 92 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.18 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(FT-AGL/MSL) 4850 6400
TRANSPORT WND (MPH) NW 8 W 6
VENT RATE (KT-FT) 33950 32000
MAX ADI EARLY 24 FAIR 33 FAIR 27 FAIR 27 FAIR
MAX ADI LATE 3 VERY POOR 47 GEN GOOD 3 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 7 8 5 6
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE UPPER 80S.
NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. NORTH
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WVZ502-180800-
EASTERN GRANT-
INCLUDING THE CITIES OF CABINS, KLINE GAP, LANDES, MASONVILLE,
PETERSBURG, SEYMOURVILLE, AND WELTON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 30 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 65 (-5) 84 (-1) 58 86
RH % (24H TREND) 100 (+1) 54 (-8) 99 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.01 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 10 AM
MIXING HGT(FT-AGL/MSL) 5420 5780
TRANSPORT WND (MPH) NW 9 W 12
VENT RATE (KT-FT) 43360 57800
MAX ADI EARLY 22 FAIR 27 FAIR 41 GEN GOOD 43 GEN GOOD
MAX ADI LATE 2 VERY POOR 59 GEN GOOD 3 VERY POOR 80 GOOD
MAX LVORI EARLY 7 8 6 7
MAX LVORI LATE 9 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
WVZ503-180800-
WESTERN MINERAL-
INCLUDING THE CITIES OF PIEDMONT AND SULPHUR CITY
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 50 0 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 62 (-6) 79 (-1) 57 81
RH % (24H TREND) 100 (0) 54 (-16) 99 51
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR W 7 G17
PRECIP AMOUNT 0.09 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(FT-AGL/MSL) 4890 5040
TRANSPORT WND (MPH) W 13 W 14
VENT RATE (KT-FT) 53790 60480
MAX ADI EARLY 32 FAIR 28 FAIR 51 GEN GOOD 54 GEN GOOD
MAX ADI LATE 4 VERY POOR 68 GOOD 4 VERY POOR 81 GOOD
MAX LVORI EARLY 8 9 5 6
MAX LVORI LATE 9 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE LOWER 70S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 70S. WEST WINDS 10 TO 15 MPH.
WVZ504-180800-
EASTERN MINERAL-
INCLUDING THE CITIES OF ANTIOCH, KEYSER, NEW CREEK, RIDGEVILLE,
RUSSELLDALE, HEADSVILLE, AND FORT ASHBY
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 66 (-5) 83 (-3) 59 85
RH % (24H TREND) 100 (+2) 51 (-10) 100 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 6
PRECIP AMOUNT 0.08 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(FT-AGL/MSL) 5630 5990
TRANSPORT WND (MPH) NW 9 W 13
VENT RATE (KT-FT) 45040 65890
MAX ADI EARLY 15 GEN POOR 29 FAIR 42 GEN GOOD 45 GEN GOOD
MAX ADI LATE 2 VERY POOR 59 GEN GOOD 3 VERY POOR 78 GOOD
MAX LVORI EARLY 9 9 6 8
MAX LVORI LATE 10 3 8 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
WVZ505-180800-
WESTERN PENDLETON-
INCLUDING THE CITY OF RIVERTON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 50 30 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 60 (-5) 79 (+1) 53 80
RH % (24H TREND) 100 (+2) 62 (-8) 100 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 G17 LGT/VAR W 6 G17
PRECIP AMOUNT 0.05 0.02 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 12 PM
MIXING HGT(FT-AGL/MSL) 4340 5010
TRANSPORT WND (MPH) NW 10 W 15
VENT RATE (KT-FT) 39060 65130
MAX ADI EARLY 39 FAIR 25 FAIR 45 GEN GOOD 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 57 GEN GOOD 4 VERY POOR 83 GOOD
MAX LVORI EARLY 8 9 7 9
MAX LVORI LATE 9 3 9 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND
60. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. WEST WINDS 10 TO
15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 70.
WEST WINDS 10 TO 15 MPH.
WVZ501-180800-
WESTERN GRANT-
INCLUDING THE CITIES OF BEECHWOOD, WILSONIA, AND BAYARD
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 50 30 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 60 (-7) 79 (+1) 55 80
RH % (24H TREND) 100 (+1) 60 (-13) 100 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 G17 LGT/VAR W 6 G18
PRECIP AMOUNT 0.07 0.00 0.00 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 10 AM
MIXING HGT(FT-AGL/MSL) 4710 4810
TRANSPORT WND (MPH) W 13 W 15
VENT RATE (KT-FT) 51810 62530
MAX ADI EARLY 35 FAIR 26 FAIR 52 GEN GOOD 52 GEN GOOD
MAX ADI LATE 4 VERY POOR 66 GOOD 4 VERY POOR 77 GOOD
MAX LVORI EARLY 8 9 6 9
MAX LVORI LATE 9 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. WEST WINDS 5 TO 10 MPH.
MDZ507-180800-
NORTHWEST HARFORD-
INCLUDING THE CITIES OF BYNUM, HICKORY, BEL AIR, AND FALLSTON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 68 (-1) 84 (-3) 63 86
RH % (24H TREND) 100 (0) 57 (-7) 94 49
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT(FT-AGL/MSL) 5070 6150
TRANSPORT WND (MPH) NW 9 W 10
VENT RATE (KT-FT) 40560 55350
MAX ADI EARLY 20 GEN POOR 33 FAIR 38 FAIR 36 FAIR
MAX ADI LATE 4 VERY POOR 54 GEN GOOD 4 VERY POOR 77 GOOD
MAX LVORI EARLY 7 8 5 6
MAX LVORI LATE 9 2 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ506-180800-
CENTRAL AND SOUTHEAST HOWARD-
INCLUDING THE CITIES OF CLARKSVILLE, COLUMBIA, SIMPSONVILLE,
HISTORIC ELLICOTT CITY, AND WOODSTOCK
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 69 (-3) 85 (-4) 64 86
RH % (24H TREND) 100 (+2) 55 (-5) 92 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5340 6170
TRANSPORT WND (MPH) NW 9 W 9
VENT RATE (KT-FT) 42720 49360
MAX ADI EARLY 28 FAIR 39 FAIR 42 GEN GOOD 46 GEN GOOD
MAX ADI LATE 4 VERY POOR 54 GEN GOOD 4 VERY POOR 66 GOOD
MAX LVORI EARLY 6 8 5 6
MAX LVORI LATE 8 1 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 60S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S.
EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS AROUND 80.
NORTHWEST WINDS 5 TO 10 MPH.
MDZ508-180800-
SOUTHEAST HARFORD-
INCLUDING THE CITIES OF HARFORD FURNACE, ABINGDON, EDGEWOOD,
MAGNOLIA, ABERDEEN, CARSINS, AND CHURCHVILLE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 69 (-3) 86 (-2) 64 87
RH % (24H TREND) 100 (0) 56 (-8) 96 47
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT(FT-AGL/MSL) 5130 6090
TRANSPORT WND (MPH) NW 9 W 9
VENT RATE (KT-FT) 41040 48720
MAX ADI EARLY 16 GEN POOR 32 FAIR 37 FAIR 31 FAIR
MAX ADI LATE 5 VERY POOR 56 GEN GOOD 4 VERY POOR 64 GOOD
MAX LVORI EARLY 7 9 5 6
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ501-180800-
EXTREME WESTERN ALLEGANY-
INCLUDING THE CITIES OF FROSTBURG, LA VALE, REYNOLDS,
AND WESTERNPORT
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 64 (-5) 82 (-2) 59 83
RH % (24H TREND) 100 (+3) 52 (-11) 97 49
WIND 20FT/EARLY(MPH) NW 5 LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR W 8
PRECIP AMOUNT 0.05 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 4800 5240
TRANSPORT WND (MPH) NW 10 W 14
VENT RATE (KT-FT) 43200 62880
MAX ADI EARLY 27 FAIR 30 FAIR 47 GEN GOOD 52 GEN GOOD
MAX ADI LATE 4 VERY POOR 57 GEN GOOD 3 VERY POOR 79 GOOD
MAX LVORI EARLY 6 7 6 6
MAX LVORI LATE 7 2 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. EAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 10 TO 15 MPH.
MDZ503-180800-
NORTHWEST MONTGOMERY-
INCLUDING THE CITIES OF BOYDS AND GERMANTOWN
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 69 (-3) 84 (-4) 63 86
RH % (24H TREND) 100 (+1) 59 (-2) 96 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5300 6150
TRANSPORT WND (MPH) NW 9 W 9
VENT RATE (KT-FT) 42400 49200
MAX ADI EARLY 26 FAIR 38 FAIR 37 FAIR 37 FAIR
MAX ADI LATE 4 VERY POOR 57 GEN GOOD 4 VERY POOR 65 GOOD
MAX LVORI EARLY 7 8 5 7
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ502-180800-
CENTRAL AND EASTERN ALLEGANY-
INCLUDING THE CITIES OF CUMBERLAND, ELLERSLIE, BRADY, RAWLINGS,
AND MCCOOLE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 66 (-4) 83 (-3) 59 85
RH % (24H TREND) 100 (+2) 50 (-11) 100 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT(FT-AGL/MSL) 5520 6050
TRANSPORT WND (MPH) NW 9 W 12
VENT RATE (KT-FT) 44160 60500
MAX ADI EARLY 18 GEN POOR 29 FAIR 44 GEN GOOD 39 FAIR
MAX ADI LATE 3 VERY POOR 61 GOOD 2 VERY POOR 85 GOOD
MAX LVORI EARLY 8 9 5 8
MAX LVORI LATE 9 2 8 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
MDZ505-180800-
NORTHWEST HOWARD-
INCLUDING THE CITIES OF LISBON, POPLAR SPRINGS, WATERSVILLE,
GLENELG, GLENWOOD, WEST FRIENDSHIP, AND DAYTON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-3) 83 (-4) 63 85
RH % (24H TREND) 100 (+1) 61 (-2) 94 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR W 5
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT(FT-AGL/MSL) 5200 5770
TRANSPORT WND (MPH) NW 9 W 9
VENT RATE (KT-FT) 41600 46160
MAX ADI EARLY 26 FAIR 40 FAIR 35 FAIR 36 FAIR
MAX ADI LATE 4 VERY POOR 58 GEN GOOD 4 VERY POOR 65 GOOD
MAX LVORI EARLY 7 9 5 6
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 60S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ504-180800-
CENTRAL AND SOUTHEAST MONTGOMERY-
INCLUDING THE CITIES OF FOUR CORNERS, SILVER SPRING, GLENMONT,
BETHESDA, GAITHERSBURG, ASPEN HILL, AND ROCKVILLE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 70 (-2) 85 (-4) 64 88
RH % (24H TREND) 99 (+1) 56 (-3) 92 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5440 6480
TRANSPORT WND (MPH) NW 9 W 8
VENT RATE (KT-FT) 43520 45360
MAX ADI EARLY 30 FAIR 37 FAIR 42 GEN GOOD 41 GEN GOOD
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 4 VERY POOR 62 GOOD
MAX LVORI EARLY 6 8 4 6
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ006-180800-
NORTHERN BALTIMORE-
INCLUDING THE CITIES OF RANDALLSTOWN, LONG GREEN, GLYNDON,
REISTERSTOWN, OWINGS MILLS, COCKEYSVILLE, AND TIMONIUM
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-2) 84 (-3) 63 86
RH % (24H TREND) 100 (+1) 57 (-6) 92 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT(FT-AGL/MSL) 5180 6060
TRANSPORT WND (MPH) NW 9 W 10
VENT RATE (KT-FT) 41440 54540
MAX ADI EARLY 18 GEN POOR 37 FAIR 41 GEN GOOD 43 GEN GOOD
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 4 VERY POOR 75 GOOD
MAX LVORI EARLY 6 8 5 6
MAX LVORI LATE 8 1 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ005-180800-
CARROLL-
INCLUDING THE CITIES OF ELDERSBURG, GAMBER, AND WESTMINSTER
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 67 (-4) 83 (-4) 62 84
RH % (24H TREND) 100 (0) 59 (-4) 96 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR W 5
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 8 PM
MIXING HGT(FT-AGL/MSL) 5460 5750
TRANSPORT WND (MPH) NW 8 W 10
VENT RATE (KT-FT) 38220 51750
MAX ADI EARLY 27 FAIR 38 FAIR 41 GEN GOOD 42 GEN GOOD
MAX ADI LATE 4 VERY POOR 55 GEN GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 7 9 5 7
MAX LVORI LATE 9 2 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ004-180800-
FREDERICK-
INCLUDING THE CITIES OF FREDERICK, BALLENGER CREEK, BUCKEYSTOWN,
AND PARK MILLS
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 67 (-4) 84 (-3) 62 86
RH % (24H TREND) 100 (+1) 58 (-4) 98 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT(FT-AGL/MSL) 5580 6030
TRANSPORT WND (MPH) NW 9 W 10
VENT RATE (KT-FT) 44640 54270
MAX ADI EARLY 24 FAIR 37 FAIR 41 GEN GOOD 38 FAIR
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 3 VERY POOR 69 GOOD
MAX LVORI EARLY 7 8 5 7
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ003-180800-
WASHINGTON-
INCLUDING THE CITIES OF HAGERSTOWN AND HALFWAY
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (-5) 85 (-2) 61 87
RH % (24H TREND) 100 (+1) 53 (-6) 100 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL) 5880 5920
TRANSPORT WND (MPH) NW 9 W 10
VENT RATE (KT-FT) 47040 53280
MAX ADI EARLY 27 FAIR 35 FAIR 50 GEN GOOD 38 FAIR
MAX ADI LATE 3 VERY POOR 60 GEN GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 7 8 5 9
MAX LVORI LATE 8 2 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ053-180800-
FAIRFAX-
INCLUDING THE CITIES OF BURKE, FAIRFAX STATION, RESTON,
ANNANDALE, CHANTILLY, LANGLEY, AND MCLEAN
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 71 (-2) 86 (-4) 66 88
RH % (24H TREND) 98 (0) 55 (-2) 91 45
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 5410 6700
TRANSPORT WND (MPH) N 9 W 7
VENT RATE (KT-FT) 43280 40200
MAX ADI EARLY 30 FAIR 40 FAIR 38 FAIR 40 FAIR
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 4 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 6 6 4 5
MAX LVORI LATE 6 2 5 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ527-180800-
CENTRAL AND SOUTHEAST PRINCE WILLIAM/MANASSAS/MANASSAS PARK-
INCLUDING THE CITIES OF DALE CITY, INDEPENDENT HILL, ADEN,
MANASSAS, LAKE RIDGE, WOODBRIDGE, AND MONTCLAIR
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 70 (-3) 87 (-5) 65 89
RH % (24H TREND) 100 (+2) 56 (+2) 90 45
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 12 AM
MIXING HGT(FT-AGL/MSL) 4940 6840
TRANSPORT WND (MPH) N 8 W 7
VENT RATE (KT-FT) 34580 41040
MAX ADI EARLY 30 FAIR 41 GEN GOOD 31 FAIR 33 FAIR
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 4 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 6 6 4 5
MAX LVORI LATE 7 3 5 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE UPPER 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ051-180800-
CULPEPER-
INCLUDING THE CITIES OF CARDOVA, CATALPA, CULPEPER, REVA,
STEVENSBURG, WINSTON, AND RAPIDAN
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 69 (-3) 86 (-5) 64 88
RH % (24H TREND) 100 (+4) 60 (+4) 96 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 4700 7010
TRANSPORT WND (MPH) N 7 W 8
VENT RATE (KT-FT) 28200 49070
MAX ADI EARLY 24 FAIR 42 GEN GOOD 30 FAIR 27 FAIR
MAX ADI LATE 3 VERY POOR 51 GEN GOOD 3 VERY POOR 67 GOOD
MAX LVORI EARLY 9 8 5 7
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. LIGHT AND VARIABLE WIND.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ050-180800-
ORANGE-
INCLUDING THE CITIES OF BURR HILL, EVERONA, LAHORE, MADISON RUN,
NASONS, ORANGE, AND UNIONVILLE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 69 (-3) 87 (-4) 65 89
RH % (24H TREND) 100 (+1) 61 (+6) 96 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.09 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 4870 7080
TRANSPORT WND (MPH) N 7 W 8
VENT RATE (KT-FT) 29220 49560
MAX ADI EARLY 26 FAIR 38 FAIR 30 FAIR 29 FAIR
MAX ADI LATE 3 VERY POOR 47 GEN GOOD 3 VERY POOR 65 GOOD
MAX LVORI EARLY 9 9 5 7
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S.
NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
VAZ036-180800-
NELSON-
INCLUDING THE CITY OF GREENFIELD
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 50 30 20 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 69 (-3) 91 (-1) 66 91
RH % (24H TREND) 100 (+2) 56 (+6) 95 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.02 0.03 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 PM 2 PM CONTINUING
PRECIP END 1 AM CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 4280 7310
TRANSPORT WND (MPH) N 6 W 8
VENT RATE (KT-FT) 21400 51170
MAX ADI EARLY 24 FAIR 32 FAIR 15 GEN POOR 34 FAIR
MAX ADI LATE 3 VERY POOR 35 FAIR 3 VERY POOR 69 GOOD
MAX LVORI EARLY 7 9 6 6
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S.
SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
VAZ037-180800-
ALBEMARLE-
INCLUDING THE CITIES OF CHARLOTTESVILLE AND OVERTON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 40 30 20 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 70 (-2) 89 (-3) 67 91
RH % (24H TREND) 100 (+1) 59 (+7) 93 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.02 0.03 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 PM 12 PM CONTINUING
PRECIP END 11 PM CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 4490 7710
TRANSPORT WND (MPH) N 6 W 8
VENT RATE (KT-FT) 22450 53970
MAX ADI EARLY 18 GEN POOR 30 FAIR 19 GEN POOR 29 FAIR
MAX ADI LATE 3 VERY POOR 37 FAIR 3 VERY POOR 69 GOOD
MAX LVORI EARLY 7 7 5 6
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE UPPER 80S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
VAZ038-180800-
GREENE-
INCLUDING THE CITY OF SHADY GROVE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 20 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 69 (-2) 87 (-3) 65 89
RH % (24H TREND) 100 (0) 62 (+6) 92 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM 11 AM
PRECIP END 11 PM 6 PM
MIXING HGT(FT-AGL/MSL) 4540 7400
TRANSPORT WND (MPH) N 6 W 8
VENT RATE (KT-FT) 22700 51800
MAX ADI EARLY 20 GEN POOR 29 FAIR 22 FAIR 29 FAIR
MAX ADI LATE 3 VERY POOR 35 FAIR 3 VERY POOR 70 GOOD
MAX LVORI EARLY 7 9 5 6
MAX LVORI LATE 7 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 60S. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
VAZ039-180800-
MADISON-
INCLUDING THE CITIES OF FORDSVILLE, FIVE FORKS, MADISON MILLS,
AND TWYMANS MILL
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-3) 87 (-3) 65 89
RH % (24H TREND) 100 (+1) 61 (+5) 93 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 4510 7070
TRANSPORT WND (MPH) N 6 W 8
VENT RATE (KT-FT) 22550 49490
MAX ADI EARLY 18 GEN POOR 33 FAIR 23 FAIR 33 FAIR
MAX ADI LATE 3 VERY POOR 39 FAIR 3 VERY POOR 67 GOOD
MAX LVORI EARLY 8 8 6 6
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 60S. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
MDZ014-180800-
ANNE ARUNDEL-
INCLUDING THE CITIES OF GLEN BURNIE, ANNAPOLIS, RIDGEWAY, SEVERN,
SOUTH GATE, SEVERNA PARK, AND ARNOLD
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 72 (-2) 87 (-4) 67 89
RH % (24H TREND) 99 (+2) 54 (-4) 86 44
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5250 6310
TRANSPORT WND (MPH) N 7 W 7
VENT RATE (KT-FT) 31500 37860
MAX ADI EARLY 24 FAIR 33 FAIR 27 FAIR 34 FAIR
MAX ADI LATE 4 VERY POOR 42 GEN GOOD 3 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 6 7 4 5
MAX LVORI LATE 7 2 5 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ017-180800-
ST. MARYS-
INCLUDING THE CITIES OF DAMERON, LEXINGTON PARK, PINEY POINT,
RIDGE, CALIFORNIA, CALLAWAY, AND SOTTERLEY
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 50 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 71 (-2) 86 (-3) 67 88
RH % (24H TREND) 100 (+2) 62 (0) 94 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL/MSL) 4620 5280
TRANSPORT WND (MPH) N 7 W 6
VENT RATE (KT-FT) 27720 26400
MAX ADI EARLY 19 GEN POOR 29 FAIR 19 GEN POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 36 FAIR 4 VERY POOR 32 FAIR
MAX LVORI EARLY 8 9 6 6
MAX LVORI LATE 9 3 6 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. NORTH WINDS 5 TO
10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ016-180800-
CHARLES-
INCLUDING THE CITIES OF ST. CHARLES AND WALDORF
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 71 (-2) 87 (-3) 67 88
RH % (24H TREND) 100 (+2) 56 (-3) 93 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.09 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(FT-AGL/MSL) 5090 6810
TRANSPORT WND (MPH) N 8 W 7
VENT RATE (KT-FT) 35630 40860
MAX ADI EARLY 32 FAIR 32 FAIR 28 FAIR 33 FAIR
MAX ADI LATE 4 VERY POOR 47 GEN GOOD 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 9 9 5 6
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE UPPER 80S.
NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ018-180800-
CALVERT-
INCLUDING THE CITIES OF COVE POINT, DRUM POINT, CHESAPEAKE BEACH,
MOUNT HARMONY, BROOMES ISLAND, LONG BEACH, AND DUNKIRK
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 72 (-1) 86 (-4) 68 88
RH % (24H TREND) 100 (+3) 59 (-2) 89 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL/MSL) 4380 5370
TRANSPORT WND (MPH) N 8 W 6
VENT RATE (KT-FT) 30660 26850
MAX ADI EARLY 18 GEN POOR 30 FAIR 16 GEN POOR 27 FAIR
MAX ADI LATE 4 VERY POOR 35 FAIR 4 VERY POOR 32 FAIR
MAX LVORI EARLY 6 8 5 5
MAX LVORI LATE 8 3 5 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ011-180800-
SOUTHERN BALTIMORE-
INCLUDING THE CITIES OF BALTIMORE, FELLS POINT, AND PARK HEIGHTS
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 70 (-3) 87 (-2) 66 89
RH % (24H TREND) 99 (+3) 53 (-7) 90 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT(FT-AGL/MSL) 5710 6190
TRANSPORT WND (MPH) NW 9 W 9
VENT RATE (KT-FT) 45680 49520
MAX ADI EARLY 18 GEN POOR 37 FAIR 40 FAIR 37 FAIR
MAX ADI LATE 4 VERY POOR 57 GEN GOOD 4 VERY POOR 64 GOOD
MAX LVORI EARLY 6 7 4 5
MAX LVORI LATE 7 1 5 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
MDZ013-180800-
PRINCE GEORGES-
INCLUDING THE CITIES OF BOWIE, SUITLAND-SILVER HILL, CLINTON,
COLLEGE PARK, TANTALLON, GREENBELT, AND MONTPELIER
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 71 (-2) 87 (-3) 67 88
RH % (24H TREND) 99 (+2) 54 (-4) 88 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 12 AM
MIXING HGT(FT-AGL/MSL) 5290 6740
TRANSPORT WND (MPH) N 8 W 7
VENT RATE (KT-FT) 37030 40440
MAX ADI EARLY 34 FAIR 34 FAIR 31 FAIR 40 FAIR
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 3 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 6 7 4 5
MAX LVORI LATE 7 3 5 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ040-180800-
RAPPAHANNOCK-
INCLUDING THE CITIES OF CASTLETON, FIVE FORKS, FLINT HILL,
HACKLEYS CROSSROADS, ROCK MILLS, AND WASHINGTON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-3) 86 (-3) 63 88
RH % (24H TREND) 100 (+1) 61 (+3) 92 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 4790 6880
TRANSPORT WND (MPH) N 7 W 8
VENT RATE (KT-FT) 28740 48160
MAX ADI EARLY 22 FAIR 39 FAIR 27 FAIR 35 FAIR
MAX ADI LATE 4 VERY POOR 49 GEN GOOD 4 VERY POOR 65 GOOD
MAX LVORI EARLY 8 8 5 6
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 60S. HIGHS IN THE MID 80S. LIGHT AND VARIABLE WIND.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. LIGHT
AND VARIABLE WIND.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 60S.
HIGHS AROUND 80. LIGHT AND VARIABLE WIND.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
NORTHWEST WINDS AROUND 5 MPH.
DCZ001-180800-
DISTRICT OF COLUMBIA-
INCLUDING THE CITIES OF ADAMS MORGAN AND WASHINGTON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 72 (-1) 88 (-3) 68 90
RH % (24H TREND) 97 (+1) 53 (-2) 86 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 LGT/VAR W 5
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 5710 6780
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 39970 47460
MAX ADI EARLY 30 FAIR 35 FAIR 44 GEN GOOD 41 GEN GOOD
MAX ADI LATE 4 VERY POOR 57 GEN GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 6 6 3 5
MAX LVORI LATE 6 1 5 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE UPPER 80S.
NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ504-180800-
EASTERN HIGHLAND-
INCLUDING THE CITIES OF CLOVER CREEK, LIBERTY, MCDOWELL,
MONTEREY, MUSTOE, POSSUM TROT, AND SIRONS MILL
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 50 30 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 63 (-4) 84 (0) 56 85
RH % (24H TREND) 100 (+3) 57 (0) 100 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.05 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM 12 PM
PRECIP END 10 PM 6 PM
MIXING HGT(FT-AGL/MSL) 4340 6210
TRANSPORT WND (MPH) NW 8 W 12
VENT RATE (KT-FT) 30380 62100
MAX ADI EARLY 26 FAIR 29 FAIR 24 FAIR 36 FAIR
MAX ADI LATE 3 VERY POOR 35 FAIR 3 VERY POOR 82 GOOD
MAX LVORI EARLY 8 9 6 8
MAX LVORI LATE 8 3 8 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE MID 70S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
VAZ027-180800-
SHENANDOAH-
INCLUDING THE CITIES OF CLARY, STRASBURG, ALONZAVILLE, WOODSTOCK,
HAWKINSTOWN, MOUNT CLIFTON, AND MOUNT JACKSON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 65 (-5) 85 (-2) 60 87
RH % (24H TREND) 100 (+2) 57 (-1) 97 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(FT-AGL/MSL) 4990 6440
TRANSPORT WND (MPH) NW 8 W 9
VENT RATE (KT-FT) 34930 51520
MAX ADI EARLY 25 FAIR 27 FAIR 35 FAIR 39 FAIR
MAX ADI LATE 3 VERY POOR 45 GEN GOOD 3 VERY POOR 69 GOOD
MAX LVORI EARLY 7 9 5 6
MAX LVORI LATE 8 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
VAZ505-180800-
WESTERN LOUDOUN-
INCLUDING THE CITY OF LUCKETTS
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-4) 84 (-4) 63 86
RH % (24H TREND) 100 (+2) 58 (0) 95 47
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR W 5
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5370 6640
TRANSPORT WND (MPH) NW 9 W 8
VENT RATE (KT-FT) 42960 46480
MAX ADI EARLY 30 FAIR 40 FAIR 44 GEN GOOD 37 FAIR
MAX ADI LATE 4 VERY POOR 54 GEN GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 7 7 5 6
MAX LVORI LATE 7 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ028-180800-
FREDERICK-
INCLUDING THE CITIES OF ALBIN, CEDAR GROVE, GAINESBORO,
AND WINCHESTER
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 67 (-4) 84 (-2) 61 86
RH % (24H TREND) 100 (+4) 54 (-5) 95 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5810 6710
TRANSPORT WND (MPH) NW 10 W 10
VENT RATE (KT-FT) 52290 60390
MAX ADI EARLY 27 FAIR 35 FAIR 53 GEN GOOD 44 GEN GOOD
MAX ADI LATE 4 VERY POOR 67 GOOD 3 VERY POOR 78 GOOD
MAX LVORI EARLY 7 7 5 6
MAX LVORI LATE 7 2 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
NORTHWEST WINDS 5 TO 10 MPH.
VAZ025-180800-
AUGUSTA-
INCLUDING THE CITIES OF CHRISTIAN, CHURCHVILLE, STAUNTON,
WAYNESBORO, SPOTTSWOOD, AND STUARTS DRAFT
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS TSTMS NONE
CHANCE PRECIP (%) 40 30 40 0
CHANCE OF THUNDER (%) 30 0 20 0
TEMP (24H TREND) 65 (-4) 86 (-1) 59 88
RH % (24H TREND) 100 (+2) 57 (+3) 97 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.03 0.03 0.00
PRECIP DURATION 2 1 1
PRECIP BEGIN 6 PM 1 PM CONTINUING
PRECIP END 10 PM CONTINUING 1 AM
MIXING HGT(FT-AGL/MSL) 4310 6770
TRANSPORT WND (MPH) NW 7 W 9
VENT RATE (KT-FT) 25860 54160
MAX ADI EARLY 25 FAIR 31 FAIR 21 FAIR 35 FAIR
MAX ADI LATE 3 VERY POOR 33 FAIR 3 VERY POOR 77 GOOD
MAX LVORI EARLY 6 8 5 7
MAX LVORI LATE 7 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
VAZ502-180800-
SOUTHERN FAUQUIER-
INCLUDING THE CITY OF TURNBULL
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 69 (-3) 87 (-5) 65 89
RH % (24H TREND) 100 (+5) 58 (+4) 93 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 4700 7030
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 32900 49210
MAX ADI EARLY 29 FAIR 42 GEN GOOD 30 FAIR 27 FAIR
MAX ADI LATE 4 VERY POOR 50 GEN GOOD 4 VERY POOR 66 GOOD
MAX LVORI EARLY 9 8 5 6
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ026-180800-
ROCKINGHAM-
INCLUDING THE CITIES OF HARRISONBURG AND LINVILLE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 64 (-5) 86 (0) 59 88
RH % (24H TREND) 100 (+2) 60 (+2) 99 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.03 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM 6 AM
PRECIP END 4 AM 6 PM
MIXING HGT(FT-AGL/MSL) 4420 6310
TRANSPORT WND (MPH) NW 8 W 9
VENT RATE (KT-FT) 30940 50480
MAX ADI EARLY 19 GEN POOR 27 FAIR 28 FAIR 29 FAIR
MAX ADI LATE 3 VERY POOR 38 FAIR 3 VERY POOR 62 GOOD
MAX LVORI EARLY 8 9 6 8
MAX LVORI LATE 9 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND
5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
VAZ503-180800-
WESTERN HIGHLAND-
INCLUDING THE CITIES OF HIGHTOWN, MILL GAP, AND NEW HAMPDEN
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 50 20 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 60 (-5) 80 (0) 53 82
RH % (24H TREND) 100 (+1) 59 (-5) 100 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR W 5
PRECIP AMOUNT 0.06 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM 11 AM
PRECIP END 11 PM 6 PM
MIXING HGT(FT-AGL/MSL) 4100 5520
TRANSPORT WND (MPH) NW 9 W 13
VENT RATE (KT-FT) 32800 60720
MAX ADI EARLY 34 FAIR 26 FAIR 40 FAIR 41 GEN GOOD
MAX ADI LATE 4 VERY POOR 46 GEN GOOD 3 VERY POOR 84 GOOD
MAX LVORI EARLY 9 9 7 9
MAX LVORI LATE 9 3 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND
60. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. WEST WINDS 5 TO 10 MPH.
VAZ508-180800-
CENTRAL VIRGINIA BLUE RIDGE-
INCLUDING THE CITY OF MONTEBELLO
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 30 0
CHANCE OF THUNDER (%) 30 20 20 0
TEMP (24H TREND) 65 (-3) 85 (0) 62 86
RH % (24H TREND) 98 (0) 59 (+2) 90 43
WIND 20FT/EARLY(MPH) W 6 G17 LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.01 0.08 0.00
PRECIP DURATION 2 1 1
PRECIP BEGIN 6 PM 11 AM CONTINUING
PRECIP END 12 AM CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 3940 7140
TRANSPORT WND (MPH) NW 7 W 9
VENT RATE (KT-FT) 23640 57120
MAX ADI EARLY 23 FAIR 31 FAIR 20 GEN POOR 36 FAIR
MAX ADI LATE 4 VERY POOR 34 FAIR 3 VERY POOR 78 GOOD
MAX LVORI EARLY 6 6 5 5
MAX LVORI LATE 6 3 5 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. WEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
VAZ506-180800-
EASTERN LOUDOUN-
INCLUDING THE CITIES OF GLEEDSVILLE, LEESBURG,
DULLES INTERNATIONAL AIRPORT, OAK GROVE, STERLING PARK,
AND COUNTRYSIDE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 70 (-2) 85 (-5) 64 87
RH % (24H TREND) 100 (0) 57 (0) 96 47
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5270 6660
TRANSPORT WND (MPH) NW 9 W 8
VENT RATE (KT-FT) 42160 46620
MAX ADI EARLY 28 FAIR 37 FAIR 37 FAIR 36 FAIR
MAX ADI LATE 4 VERY POOR 55 GEN GOOD 4 VERY POOR 61 GOOD
MAX LVORI EARLY 6 7 5 7
MAX LVORI LATE 8 2 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS AROUND 80. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
NORTHWEST WINDS 5 TO 10 MPH.
VAZ507-180800-
NORTHERN VIRGINIA BLUE RIDGE-
INCLUDING THE CITIES OF CHESTER GAP AND SKYLAND
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 20 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 64 (-4) 82 (-1) 60 84
RH % (24H TREND) 100 (+3) 63 (+1) 94 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM 10 AM
PRECIP END 11 PM 6 PM
MIXING HGT(FT-AGL/MSL) 4360 6740
TRANSPORT WND (MPH) NW 7 W 8
VENT RATE (KT-FT) 26160 47180
MAX ADI EARLY 21 FAIR 27 FAIR 26 FAIR 35 FAIR
MAX ADI LATE 4 VERY POOR 39 FAIR 3 VERY POOR 66 GOOD
MAX LVORI EARLY 7 9 6 6
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
VAZ501-180800-
NORTHERN FAUQUIER-
INCLUDING THE CITIES OF AIRLIE, BETHEL, AND WARRENTON
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-3) 85 (-4) 63 88
RH % (24H TREND) 100 (+1) 60 (+3) 93 46
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 4920 7040
TRANSPORT WND (MPH) NW 8 W 8
VENT RATE (KT-FT) 34440 49280
MAX ADI EARLY 31 FAIR 39 FAIR 39 FAIR 35 FAIR
MAX ADI LATE 4 VERY POOR 50 GEN GOOD 4 VERY POOR 67 GOOD
MAX LVORI EARLY 8 7 5 6
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ029-180800-
PAGE-
INCLUDING THE CITIES OF COMPTON, FAIRVIEW, HAMBURG, KIMBALL,
LURAY, RILEYVILLE, AND INGHAM
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 66 (-3) 86 (-2) 60 89
RH % (24H TREND) 100 (+1) 59 (+2) 97 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 4380 5970
TRANSPORT WND (MPH) NW 7 W 7
VENT RATE (KT-FT) 26280 35820
MAX ADI EARLY 20 GEN POOR 27 FAIR 27 FAIR 36 FAIR
MAX ADI LATE 2 VERY POOR 36 FAIR 2 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 8 9 5 7
MAX LVORI LATE 9 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
WEST WINDS AROUND 5 MPH.
WVZ506-180800-
EASTERN PENDLETON-
INCLUDING THE CITIES OF BRANDYWINE, FRANKLIN, OAK FLAT, RUDDLE,
AND SUGAR GROVE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 20 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 63 (-5) 82 (-1) 56 84
RH % (24H TREND) 100 (+4) 59 (-3) 100 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.03 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM 6 AM
PRECIP END 4 AM 6 PM
MIXING HGT(FT-AGL/MSL) 4660 6130
TRANSPORT WND (MPH) NW 8 W 12
VENT RATE (KT-FT) 32620 61300
MAX ADI EARLY 24 FAIR 25 FAIR 36 FAIR 39 FAIR
MAX ADI LATE 3 VERY POOR 50 GEN GOOD 3 VERY POOR 83 GOOD
MAX LVORI EARLY 8 9 7 8
MAX LVORI LATE 9 3 8 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE MID 70S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
VAZ031-180800-
CLARKE-
INCLUDING THE CITIES OF BERRYVILLE AND STRINGTOWN
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-4) 85 (-3) 61 88
RH % (24H TREND) 100 (+3) 56 (-3) 97 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5730 6880
TRANSPORT WND (MPH) NW 9 W 8
VENT RATE (KT-FT) 45840 48160
MAX ADI EARLY 32 FAIR 41 GEN GOOD 48 GEN GOOD 39 FAIR
MAX ADI LATE 4 VERY POOR 60 GEN GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 7 9 5 7
MAX LVORI LATE 7 2 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
NORTHWEST WINDS 5 TO 10 MPH.
WVZ053-180800-
JEFFERSON-
INCLUDING THE CITIES OF RANSON, SHENANDOAH JUNCTION, BLOOMERY,
CHARLES TOWN, MIDDLEWAY, BAKERTON, AND MILLVILLE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-4) 84 (-4) 61 86
RH % (24H TREND) 100 (+4) 57 (-2) 100 46
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5770 6370
TRANSPORT WND (MPH) NW 9 W 9
VENT RATE (KT-FT) 46160 50960
MAX ADI EARLY 29 FAIR 41 GEN GOOD 57 GEN GOOD 38 FAIR
MAX ADI LATE 4 VERY POOR 61 GOOD 3 VERY POOR 70 GOOD
MAX LVORI EARLY 8 8 5 8
MAX LVORI LATE 9 2 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ030-180800-
WARREN-
INCLUDING THE CITIES OF ARCO, BENTONVILLE, BUCKTON, CEDARVILLE,
FRONT ROYAL, GLEN ECHO, AND HOWELLSVILLE
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 67 (-4) 86 (-2) 62 88
RH % (24H TREND) 100 (+2) 56 (-1) 96 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 5320 6920
TRANSPORT WND (MPH) NW 9 W 9
VENT RATE (KT-FT) 42560 55360
MAX ADI EARLY 28 FAIR 37 FAIR 41 GEN GOOD 41 GEN GOOD
MAX ADI LATE 3 VERY POOR 58 GEN GOOD 3 VERY POOR 75 GOOD
MAX LVORI EARLY 7 9 4 7
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
NORTHWEST WINDS 5 TO 10 MPH.
WVZ052-180800-
BERKELEY-
INCLUDING THE CITY OF MARTINSBURG
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (-5) 85 (-2) 61 86
RH % (24H TREND) 99 (+1) 53 (-6) 98 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL) 5910 5970
TRANSPORT WND (MPH) NW 10 W 10
VENT RATE (KT-FT) 53190 53730
MAX ADI EARLY 27 FAIR 32 FAIR 57 GEN GOOD 39 FAIR
MAX ADI LATE 4 VERY POOR 68 GOOD 3 VERY POOR 74 GOOD
MAX LVORI EARLY 6 7 5 7
MAX LVORI LATE 7 2 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
WVZ051-180800-
MORGAN-
INCLUDING THE CITIES OF HANCOCK, SHADY GROVE, BERKELEY SPGS,
BERRYVILLE, SMITH CROSSROADS, MAGNOLIA, AND PAW PAW
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (-3) 83 (-2) 60 84
RH % (24H TREND) 100 (+1) 53 (-10) 99 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL) 5760 5980
TRANSPORT WND (MPH) NW 9 W 12
VENT RATE (KT-FT) 46080 59800
MAX ADI EARLY 21 FAIR 28 FAIR 51 GEN GOOD 44 GEN GOOD
MAX ADI LATE 3 VERY POOR 66 GOOD 3 VERY POOR 83 GOOD
MAX LVORI EARLY 8 7 5 7
MAX LVORI LATE 9 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
WEST WINDS 5 TO 10 MPH.
WVZ050-180800-
HAMPSHIRE-
INCLUDING THE CITIES OF PURGITSVILLE, FRENCHBURG, ROMNEY,
THREE CHURCHES, WAPOCOMO, POINTS, AND SPRINGFIELD
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 66 (-5) 82 (-3) 59 84
RH % (24H TREND) 100 (+4) 54 (-9) 98 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 5
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 5660 6080
TRANSPORT WND (MPH) NW 10 W 12
VENT RATE (KT-FT) 50940 60800
MAX ADI EARLY 22 FAIR 27 FAIR 48 GEN GOOD 42 GEN GOOD
MAX ADI LATE 3 VERY POOR 64 GOOD 3 VERY POOR 83 GOOD
MAX LVORI EARLY 9 8 6 7
MAX LVORI LATE 9 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
WVZ055-180800-
HARDY-
INCLUDING THE CITIES OF BRAKE, BEAN SETTLEMENT, FISHER, MCNEILL,
AND MOOREFIELD
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 20 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 64 (-6) 83 (-1) 59 85
RH % (24H TREND) 100 (+4) 57 (-6) 95 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.01 0.00 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 PM 6 AM
PRECIP END 4 AM 11 AM
MIXING HGT(FT-AGL/MSL) 5380 6140
TRANSPORT WND (MPH) NW 9 W 10
VENT RATE (KT-FT) 43040 55260
MAX ADI EARLY 25 FAIR 23 FAIR 42 GEN GOOD 37 FAIR
MAX ADI LATE 2 VERY POOR 57 GEN GOOD 2 VERY POOR 76 GOOD
MAX LVORI EARLY 7 8 5 6
MAX LVORI LATE 8 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
MDZ509-180800-
WESTERN GARRETT-
INCLUDING THE CITIES OF MOUNTAIN LAKE PARK AND OAKLAND
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 60 0 0 0
CHANCE OF THUNDER (%) 50 0 0 0
TEMP (24H TREND) 62 (-5) 75 (-1) 57 77
RH % (24H TREND) 100 (0) 63 (-16) 100 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR W 7 G17
PRECIP AMOUNT 0.18 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(FT-AGL/MSL) 3960 4000
TRANSPORT WND (MPH) W 12 W 14
VENT RATE (KT-FT) 39600 48000
MAX ADI EARLY 23 FAIR 25 FAIR 45 GEN GOOD 55 GEN GOOD
MAX ADI LATE 3 VERY POOR 57 GEN GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 9 9 6 8
MAX LVORI LATE 9 3 7 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 70.
WEST WINDS 5 TO 10 MPH.
MDZ510-180800-
EASTERN GARRETT-
INCLUDING THE CITIES OF GRANTSVILLE AND KITZMILLER
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 50 0 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 62 (-6) 78 (0) 57 79
RH % (24H TREND) 100 (+1) 57 (-16) 98 55
WIND 20FT/EARLY(MPH) NW 5 LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR W 8 G17
PRECIP AMOUNT 0.09 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL/MSL) 4340 4580
TRANSPORT WND (MPH) W 12 W 15
VENT RATE (KT-FT) 43400 59540
MAX ADI EARLY 27 FAIR 29 FAIR 47 GEN GOOD 54 GEN GOOD
MAX ADI LATE 3 VERY POOR 60 GEN GOOD 3 VERY POOR 75 GOOD
MAX LVORI EARLY 9 9 6 7
MAX LVORI LATE 9 3 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE LOWER 70S. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. WEST WINDS 10 TO 15 MPH.
MDZ008-VAZ526-180800-
CECIL-NORTHWEST PRINCE WILLIAM-
INCLUDING THE CITIES OF ANDORA, APPLETON, BARKSDALE, BAY VIEW,
BLAKE, BOHEMIAS MILLS, BRANTWOOD, HAYMARKET, AND WOOLSEY
231 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 40 0 0 0
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (-3) 85 (-3) 64 87
RH % (24H TREND) 100 (0) 57 (-8) 96 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 10 PM
MIXING HGT(FT-AGL/MSL) 4760 6500
TRANSPORT WND (MPH) NW 9 W 9
VENT RATE (KT-FT) 38080 52000
MAX ADI EARLY 24 FAIR 31 FAIR 36 FAIR 33 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 4 VERY POOR 69 GOOD
MAX LVORI EARLY 7 9 5 6
MAX LVORI LATE 9 3 6 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS AROUND 80.
NORTHWEST WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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