700
FNUS51 KLWX 181831
FWFLWX
FIRE WEATHER PLANNING FORECAST FOR W AND CTL MD
..E WV...N VA
DC
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 PM EDT TUE AUG 18 2026
DISCUSSION
HIGH PRESSURE WILL STAY IN CONTROL ACROSS THE MID-ATLANTIC THROUGH
WEDNESDAY, CONTINUING RAIN-FREE CONDITIONS. AS HIGH PRESSURE MOVES
OFF THE EAST COAST, A COLD FRONT WILL SLOWLY APPROACH THE REGION
FROM THE NORTHWEST BY THURSDAY, TRIGGERING AN INCREASED COVERAGE
OF SHOWERS AND THUNDERSTORMS. THE FRONTAL BOUNDARY IS EXPECTED TO
STALL ACROSS THE AREA FROM FRIDAY INTO THE UPCOMING WEEKEND, WITH
UNSETTLED, SHOWERY WEATHER LIKELY TO PERSIST.
VAZ054-190800-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
INCLUDING THE CITIES OF REAGAN NATIONAL AIRPORT, ARLINGTON,
BALLSTON, BARCROFT, CHERRYDALE, RIVERCREST, AND ROSSLYN
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 69 (-5) 90 (+2) 72 88
RH % (24H TREND) 79 (-12) 41 (-12) 84 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.11
PRECIP DURATION 0 3
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5960 3360
TRANSPORT WND (MPH) W 9 NW 7
VENT RATE (KT-FT) 47680 20160
MAX ADI EARLY 40 FAIR 36 FAIR 38 FAIR 18 GEN POOR
MAX ADI LATE 4 VERY POOR 66 GOOD 3 VERY POOR 28 FAIR
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 1 4 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ055-190800-
STAFFORD-
INCLUDING THE CITIES OF ARKENDALE, GARRISONVILLE, SHILOH,
WIDEWATER, BROOKFIELD, FALMOUTH, AND GLENDIE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 67 (-5) 89 (+2) 69 87
RH % (24H TREND) 86 (-11) 45 (-11) 94 63
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 0.10
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5590 3520
TRANSPORT WND (MPH) W 7 W 7
VENT RATE (KT-FT) 33540 21120
MAX ADI EARLY 28 FAIR 25 FAIR 27 FAIR 17 GEN POOR
MAX ADI LATE 4 VERY POOR 47 GEN GOOD 3 VERY POOR 30 FAIR
MAX LVORI EARLY 5 5 5 6
MAX LVORI LATE 5 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. LOWS IN THE UPPER 60S.
HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ056-190800-
SPOTSYLVANIA-
INCLUDING THE CITY OF FREDERICKSBURG
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 66 (-6) 88 (+1) 68 87
RH % (24H TREND) 89 (-10) 47 (-11) 98 64
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 0.09
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5670 4090
TRANSPORT WND (MPH) W 7 W 8
VENT RATE (KT-FT) 34020 28630
MAX ADI EARLY 25 FAIR 19 GEN POOR 26 FAIR 18 GEN POOR
MAX ADI LATE 4 VERY POOR 47 GEN GOOD 3 VERY POOR 35 FAIR
MAX LVORI EARLY 6 6 5 7
MAX LVORI LATE 5 2 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH SHOWERS LIKELY. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ057-190800-
KING GEORGE-
INCLUDING THE CITIES OF ROLLINS FORK AND DAHLGREN
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 10 20
TEMP (24H TREND) 68 (-6) 88 (+1) 70 87
RH % (24H TREND) 88 (-10) 46 (-12) 99 66
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 0.14
PRECIP DURATION 0 3
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5460 3620
TRANSPORT WND (MPH) W 7 SW 8
VENT RATE (KT-FT) 32760 25340
MAX ADI EARLY 21 FAIR 16 GEN POOR 23 FAIR 19 GEN POOR
MAX ADI LATE 4 VERY POOR 44 GEN GOOD 3 VERY POOR 30 FAIR
MAX LVORI EARLY 5 5 5 7
MAX LVORI LATE 5 2 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH 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 AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
WVZ502-190800-
EASTERN GRANT-
INCLUDING THE CITIES OF CABINS, KLINE GAP, LANDES, MASONVILLE,
PETERSBURG, SEYMOURVILLE, AND WELTON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 90
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 58 (-9) 86 (+6) 63 82
RH % (24H TREND) 98 (-2) 45 (-14) 98 69
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 0.04 0.17
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5520 3430
TRANSPORT WND (MPH) W 10 W 9
VENT RATE (KT-FT) 49680 27440
MAX ADI EARLY 40 FAIR 32 FAIR 41 GEN GOOD 14 GEN POOR
MAX ADI LATE 2 VERY POOR 69 GOOD 2 VERY POOR 35 FAIR
MAX LVORI EARLY 6 8 5 7
MAX LVORI LATE 8 1 7 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
WVZ503-190800-
WESTERN MINERAL-
INCLUDING THE CITIES OF PIEDMONT AND SULPHUR CITY
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 80
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 56 (-9) 82 (+6) 61 77
RH % (24H TREND) 97 (-2) 51 (-11) 100 72
WIND 20FT/EARLY(MPH) LGT/VAR W 5 W 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.14
PRECIP DURATION 1 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 4950 3090
TRANSPORT WND (MPH) W 13 W 10
VENT RATE (KT-FT) 54450 27810
MAX ADI EARLY 65 GOOD 49 GEN GOOD 55 GEN GOOD 23 FAIR
MAX ADI LATE 4 VERY POOR 71 GOOD 3 VERY POOR 34 FAIR
MAX LVORI EARLY 5 7 5 7
MAX LVORI LATE 7 1 7 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. 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 MID 70S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE LOWER 70S. WEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
WVZ504-190800-
EASTERN MINERAL-
INCLUDING THE CITIES OF ANTIOCH, KEYSER, NEW CREEK, RIDGEVILLE,
RUSSELLDALE, HEADSVILLE, AND FORT ASHBY
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 80
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 58 (-10) 86 (+5) 64 81
RH % (24H TREND) 99 (+2) 47 (-8) 99 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.14
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5920 3040
TRANSPORT WND (MPH) W 10 NW 9
VENT RATE (KT-FT) 53280 24320
MAX ADI EARLY 30 FAIR 38 FAIR 47 GEN GOOD 15 GEN POOR
MAX ADI LATE 3 VERY POOR 70 GOOD 2 VERY POOR 34 FAIR
MAX LVORI EARLY 6 7 5 9
MAX LVORI LATE 8 1 7 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. 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 UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
WVZ505-190800-
WESTERN PENDLETON-
INCLUDING THE CITY OF RIVERTON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 53 (-11) 80 (+7) 58 77
RH % (24H TREND) 100 (0) 52 (-21) 100 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.01 0.12
PRECIP DURATION 0 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 4870 3130
TRANSPORT WND (MPH) W 13 W 13
VENT RATE (KT-FT) 53570 34430
MAX ADI EARLY 54 GEN GOOD 37 FAIR 45 GEN GOOD 37 FAIR
MAX ADI LATE 4 VERY POOR 70 GOOD 4 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 9 9 6 6
MAX LVORI LATE 9 2 6 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS AROUND 70. 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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. WEST WINDS 5 TO 10 MPH.
WVZ501-190800-
WESTERN GRANT-
INCLUDING THE CITIES OF BEECHWOOD, WILSONIA, AND BAYARD
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 90
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 54 (-10) 80 (+6) 59 76
RH % (24H TREND) 98 (-1) 53 (-15) 100 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 6 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.04 0.19
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 4660 3130
TRANSPORT WND (MPH) W 13 W 12
VENT RATE (KT-FT) 51260 31300
MAX ADI EARLY 59 GEN GOOD 43 GEN GOOD 49 GEN GOOD 24 FAIR
MAX ADI LATE 4 VERY POOR 67 GOOD 3 VERY POOR 36 FAIR
MAX LVORI EARLY 6 7 6 7
MAX LVORI LATE 7 1 7 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 AND A CHANCE OF
THUNDERSTORMS. 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 10 TO
15 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ507-190800-
NORTHWEST HARFORD-
INCLUDING THE CITIES OF BYNUM, HICKORY, BEL AIR, AND FALLSTON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 63 (-7) 86 (+2) 67 84
RH % (24H TREND) 90 (-9) 48 (-9) 91 67
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 0.13
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5620 2380
TRANSPORT WND (MPH) W 9 NW 7
VENT RATE (KT-FT) 44960 14280
MAX ADI EARLY 38 FAIR 34 FAIR 42 GEN GOOD 8 POOR
MAX ADI LATE 4 VERY POOR 63 GOOD 3 VERY POOR 19 GEN POOR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 5 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ506-190800-
CENTRAL AND SOUTHEAST HOWARD-
INCLUDING THE CITIES OF CLARKSVILLE, COLUMBIA, SIMPSONVILLE,
HISTORIC ELLICOTT CITY, AND WOODSTOCK
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 64 (-5) 87 (+2) 69 85
RH % (24H TREND) 88 (-10) 45 (-13) 89 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.01 0.13
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5490 3050
TRANSPORT WND (MPH) W 9 NW 7
VENT RATE (KT-FT) 43920 18300
MAX ADI EARLY 42 GEN GOOD 34 FAIR 39 FAIR 12 POOR
MAX ADI LATE 4 VERY POOR 60 GEN GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 5 6 4 5
MAX LVORI LATE 5 1 5 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ508-190800-
SOUTHEAST HARFORD-
INCLUDING THE CITIES OF HARFORD FURNACE, ABINGDON, EDGEWOOD,
MAGNOLIA, ABERDEEN, CARSINS, AND CHURCHVILLE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 64 (-7) 87 (+1) 68 85
RH % (24H TREND) 92 (-7) 47 (-10) 93 65
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 0.01 0.12
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5730 2380
TRANSPORT WND (MPH) W 8 NW 6
VENT RATE (KT-FT) 40110 11900
MAX ADI EARLY 28 FAIR 30 FAIR 31 FAIR 9 POOR
MAX ADI LATE 4 VERY POOR 54 GEN GOOD 3 VERY POOR 17 GEN POOR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 6 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 AND THUNDERSTORMS.
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.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MDZ501-190800-
EXTREME WESTERN ALLEGANY-
INCLUDING THE CITIES OF FROSTBURG, LA VALE, REYNOLDS,
AND WESTERNPORT
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 80
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 58 (-8) 84 (+6) 63 79
RH % (24H TREND) 94 (0) 49 (-7) 99 68
WIND 20FT/EARLY(MPH) NW 5 LGT/VAR W 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.17
PRECIP DURATION 1 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5170 2880
TRANSPORT WND (MPH) W 13 NW 10
VENT RATE (KT-FT) 56870 25920
MAX ADI EARLY 46 GEN GOOD 47 GEN GOOD 52 GEN GOOD 22 FAIR
MAX ADI LATE 3 VERY POOR 72 GOOD 3 VERY POOR 33 FAIR
MAX LVORI EARLY 5 6 5 6
MAX LVORI LATE 6 1 6 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE UPPER 70S. EAST 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
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
MDZ503-190800-
NORTHWEST MONTGOMERY-
INCLUDING THE CITIES OF BOYDS AND GERMANTOWN
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 63 (-7) 87 (+3) 68 84
RH % (24H TREND) 92 (-7) 48 (-12) 92 70
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 0.08
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5700 2530
TRANSPORT WND (MPH) W 9 N 7
VENT RATE (KT-FT) 45600 15180
MAX ADI EARLY 49 GEN GOOD 30 FAIR 38 FAIR 12 POOR
MAX ADI LATE 4 VERY POOR 61 GOOD 2 VERY POOR 22 FAIR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 6 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ502-190800-
CENTRAL AND EASTERN ALLEGANY-
INCLUDING THE CITIES OF CUMBERLAND, ELLERSLIE, BRADY, RAWLINGS,
AND MCCOOLE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 80
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 59 (-9) 86 (+5) 65 81
RH % (24H TREND) 99 (+4) 47 (-6) 100 69
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 0.02 0.17
PRECIP DURATION 1 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5800 2740
TRANSPORT WND (MPH) W 10 N 9
VENT RATE (KT-FT) 52200 21920
MAX ADI EARLY 36 FAIR 35 FAIR 49 GEN GOOD 13 GEN POOR
MAX ADI LATE 3 VERY POOR 74 GOOD 2 VERY POOR 31 FAIR
MAX LVORI EARLY 5 8 5 9
MAX LVORI LATE 8 1 7 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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 UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
MDZ505-190800-
NORTHWEST HOWARD-
INCLUDING THE CITIES OF LISBON, POPLAR SPRINGS, WATERSVILLE,
GLENELG, GLENWOOD, WEST FRIENDSHIP, AND DAYTON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 63 (-5) 85 (+2) 68 83
RH % (24H TREND) 91 (-9) 50 (-11) 92 71
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 0.11
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5310 2340
TRANSPORT WND (MPH) W 9 N 7
VENT RATE (KT-FT) 42480 14040
MAX ADI EARLY 49 GEN GOOD 37 FAIR 45 GEN GOOD 10 POOR
MAX ADI LATE 4 VERY POOR 60 GEN GOOD 3 VERY POOR 21 FAIR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ504-190800-
CENTRAL AND SOUTHEAST MONTGOMERY-
INCLUDING THE CITIES OF FOUR CORNERS, SILVER SPRING, GLENMONT,
BETHESDA, GAITHERSBURG, ASPEN HILL, AND ROCKVILLE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 64 (-6) 88 (+3) 69 86
RH % (24H TREND) 90 (-7) 43 (-15) 90 65
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 0.12
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5650 3070
TRANSPORT WND (MPH) W 9 NW 7
VENT RATE (KT-FT) 45200 18420
MAX ADI EARLY 46 GEN GOOD 36 FAIR 38 FAIR 13 GEN POOR
MAX ADI LATE 4 VERY POOR 60 GEN GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ006-190800-
NORTHERN BALTIMORE-
INCLUDING THE CITIES OF RANDALLSTOWN, LONG GREEN, GLYNDON,
REISTERSTOWN, OWINGS MILLS, COCKEYSVILLE, AND TIMONIUM
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 63 (-6) 86 (+2) 67 83
RH % (24H TREND) 89 (-9) 47 (-11) 91 68
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 0.13
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5480 2450
TRANSPORT WND (MPH) W 9 N 7
VENT RATE (KT-FT) 43840 14700
MAX ADI EARLY 32 FAIR 34 FAIR 47 GEN GOOD 9 POOR
MAX ADI LATE 4 VERY POOR 61 GOOD 3 VERY POOR 20 GEN POOR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 5 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ005-190800-
CARROLL-
INCLUDING THE CITIES OF ELDERSBURG, GAMBER, AND WESTMINSTER
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 62 (-7) 85 (+2) 66 82
RH % (24H TREND) 93 (-6) 49 (-10) 92 71
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 0.11
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5360 2270
TRANSPORT WND (MPH) W 9 N 7
VENT RATE (KT-FT) 42880 13620
MAX ADI EARLY 45 GEN GOOD 34 FAIR 42 GEN GOOD 12 POOR
MAX ADI LATE 4 VERY POOR 61 GOOD 2 VERY POOR 21 FAIR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. 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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ004-190800-
FREDERICK-
INCLUDING THE CITIES OF FREDERICK, BALLENGER CREEK, BUCKEYSTOWN,
AND PARK MILLS
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 62 (-7) 86 (+3) 67 83
RH % (24H TREND) 94 (-4) 48 (-11) 94 71
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 0.07
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5700 2370
TRANSPORT WND (MPH) W 10 N 8
VENT RATE (KT-FT) 51300 16590
MAX ADI EARLY 50 GEN GOOD 32 FAIR 40 FAIR 13 GEN POOR
MAX ADI LATE 3 VERY POOR 70 GOOD 2 VERY POOR 22 FAIR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MDZ003-190800-
WASHINGTON-
INCLUDING THE CITIES OF HAGERSTOWN AND HALFWAY
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 61 (-7) 87 (+4) 66 83
RH % (24H TREND) 97 (-2) 47 (-7) 97 69
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 0.01 0.09
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5820 2740
TRANSPORT WND (MPH) W 10 N 8
VENT RATE (KT-FT) 52380 19180
MAX ADI EARLY 47 GEN GOOD 31 FAIR 46 GEN GOOD 15 GEN POOR
MAX ADI LATE 3 VERY POOR 72 GOOD 2 VERY POOR 25 FAIR
MAX LVORI EARLY 5 7 4 7
MAX LVORI LATE 7 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ053-190800-
FAIRFAX-
INCLUDING THE CITIES OF BURKE, FAIRFAX STATION, RESTON,
ANNANDALE, CHANTILLY, LANGLEY, AND MCLEAN
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 65 (-8) 88 (+2) 70 86
RH % (24H TREND) 86 (-9) 42 (-14) 89 63
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 0.10
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5690 3260
TRANSPORT WND (MPH) W 8 NW 7
VENT RATE (KT-FT) 39830 19560
MAX ADI EARLY 47 GEN GOOD 34 FAIR 34 FAIR 13 GEN POOR
MAX ADI LATE 4 VERY POOR 57 GEN GOOD 3 VERY POOR 25 FAIR
MAX LVORI EARLY 3 5 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ527-190800-
CENTRAL AND SOUTHEAST PRINCE WILLIAM/MANASSAS/MANASSAS PARK-
INCLUDING THE CITIES OF DALE CITY, INDEPENDENT HILL, ADEN,
MANASSAS, LAKE RIDGE, WOODBRIDGE, AND MONTCLAIR
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 65 (-7) 89 (+2) 69 87
RH % (24H TREND) 85 (-13) 44 (-12) 90 62
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 0.09
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5550 3360
TRANSPORT WND (MPH) W 7 NW 7
VENT RATE (KT-FT) 33300 20160
MAX ADI EARLY 37 FAIR 26 FAIR 32 FAIR 14 GEN POOR
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 2 VERY POOR 27 FAIR
MAX LVORI EARLY 4 5 4 6
MAX LVORI LATE 5 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 60S.
HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ051-190800-
CULPEPER-
INCLUDING THE CITIES OF CARDOVA, CATALPA, CULPEPER, REVA,
STEVENSBURG, WINSTON, AND RAPIDAN
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 64 (-7) 88 (+3) 68 86
RH % (24H TREND) 92 (-6) 47 (-12) 94 67
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 0.08
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5530 3190
TRANSPORT WND (MPH) W 6 N 7
VENT RATE (KT-FT) 27650 19140
MAX ADI EARLY 20 GEN POOR 22 FAIR 24 FAIR 12 POOR
MAX ADI LATE 4 VERY POOR 45 GEN GOOD 2 VERY POOR 26 FAIR
MAX LVORI EARLY 5 6 5 6
MAX LVORI LATE 6 2 7 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH A CHANCE OF SHOWERS. 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 AROUND 60. HIGHS IN THE MID 80S.
WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ050-190800-
ORANGE-
INCLUDING THE CITIES OF BURR HILL, EVERONA, LAHORE, MADISON RUN,
NASONS, ORANGE, AND UNIONVILLE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 60
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 65 (-6) 88 (+2) 67 86
RH % (24H TREND) 90 (-10) 47 (-12) 95 62
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 0.09
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5530 4340
TRANSPORT WND (MPH) W 6 NW 8
VENT RATE (KT-FT) 27650 30380
MAX ADI EARLY 21 FAIR 21 FAIR 26 FAIR 16 GEN POOR
MAX ADI LATE 3 VERY POOR 46 GEN GOOD 2 VERY POOR 37 FAIR
MAX LVORI EARLY 6 6 5 6
MAX LVORI LATE 6 1 7 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ036-190800-
NELSON-
INCLUDING THE CITY OF GREENFIELD
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 30 0 0 60
CHANCE OF THUNDER (%) 20 0 0 40
TEMP (24H TREND) 66 (-7) 90 (+5) 68 90
RH % (24H TREND) 100 (+6) 42 (-19) 90 52
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 0.08
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM 2 PM
PRECIP END 2 AM CONTINUING
MIXING HGT(FT-AGL/MSL) 6130 6280
TRANSPORT WND (MPH) W 7 W 10
VENT RATE (KT-FT) 36780 56520
MAX ADI EARLY 14 GEN POOR 24 FAIR 36 FAIR 25 FAIR
MAX ADI LATE 3 VERY POOR 55 GEN GOOD 2 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 8 7 4 5
MAX LVORI LATE 7 1 5 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY WITH 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. SOUTHWEST 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 MID
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ037-190800-
ALBEMARLE-
INCLUDING THE CITIES OF CHARLOTTESVILLE AND OVERTON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 60
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 66 (-7) 90 (+4) 69 89
RH % (24H TREND) 97 (0) 44 (-17) 90 59
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 0.11
PRECIP DURATION 1 3
PRECIP BEGIN 6 PM 2 PM
PRECIP END 4 AM CONTINUING
MIXING HGT(FT-AGL/MSL) 6200 5710
TRANSPORT WND (MPH) W 6 W 8
VENT RATE (KT-FT) 31000 39970
MAX ADI EARLY 13 GEN POOR 22 FAIR 23 FAIR 14 GEN POOR
MAX ADI LATE 3 VERY POOR 46 GEN GOOD 2 VERY POOR 37 FAIR
MAX LVORI EARLY 7 6 4 6
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY WITH 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. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 80S. NORTHWEST 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 MID
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ038-190800-
GREENE-
INCLUDING THE CITY OF SHADY GROVE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 65 (-7) 89 (+5) 68 87
RH % (24H TREND) 90 (-7) 46 (-18) 89 62
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 0.16
PRECIP DURATION 0 3
PRECIP BEGIN 6 PM 2 PM
PRECIP END 2 AM CONTINUING
MIXING HGT(FT-AGL/MSL) 5920 3910
TRANSPORT WND (MPH) W 7 W 7
VENT RATE (KT-FT) 35520 23460
MAX ADI EARLY 8 POOR 22 FAIR 21 FAIR 12 POOR
MAX ADI LATE 3 VERY POOR 48 GEN GOOD 3 VERY POOR 27 FAIR
MAX LVORI EARLY 6 6 4 5
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. SOUTH 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 AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ039-190800-
MADISON-
INCLUDING THE CITIES OF FORDSVILLE, FIVE FORKS, MADISON MILLS,
AND TWYMANS MILL
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 64 (-7) 88 (+4) 68 86
RH % (24H TREND) 90 (-8) 46 (-17) 91 63
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 0.13
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5670 3370
TRANSPORT WND (MPH) W 7 NW 7
VENT RATE (KT-FT) 34020 20220
MAX ADI EARLY 12 POOR 22 FAIR 24 FAIR 11 POOR
MAX ADI LATE 3 VERY POOR 47 GEN GOOD 3 VERY POOR 25 FAIR
MAX LVORI EARLY 6 6 5 5
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTH 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 AROUND 60. HIGHS IN THE LOWER 80S.
WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTH WINDS AROUND 5 MPH.
MDZ014-190800-
ANNE ARUNDEL-
INCLUDING THE CITIES OF GLEN BURNIE, ANNAPOLIS, RIDGEWAY, SEVERN,
SOUTH GATE, SEVERNA PARK, AND ARNOLD
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 67 (-6) 89 (+2) 71 86
RH % (24H TREND) 83 (-11) 42 (-16) 88 63
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 0.01 0.13
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5820 3320
TRANSPORT WND (MPH) W 8 NW 7
VENT RATE (KT-FT) 40740 19920
MAX ADI EARLY 25 FAIR 29 FAIR 25 FAIR 13 GEN POOR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 3 VERY POOR 23 FAIR
MAX LVORI EARLY 4 5 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH 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 AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
MDZ017-190800-
ST. MARYS-
INCLUDING THE CITIES OF DAMERON, LEXINGTON PARK, PINEY POINT,
RIDGE, CALIFORNIA, CALLAWAY, AND SOTTERLEY
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 10 20
TEMP (24H TREND) 68 (-6) 87 (+1) 70 87
RH % (24H TREND) 93 (-6) 49 (-15) 100 66
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 0.02 0.21
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 4930 3870
TRANSPORT WND (MPH) W 7 SW 8
VENT RATE (KT-FT) 29580 27090
MAX ADI EARLY 12 POOR 20 GEN POOR 15 GEN POOR 19 GEN POOR
MAX ADI LATE 4 VERY POOR 37 FAIR 5 VERY POOR 29 FAIR
MAX LVORI EARLY 6 6 5 7
MAX LVORI LATE 6 2 7 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
MDZ016-190800-
CHARLES-
INCLUDING THE CITIES OF ST. CHARLES AND WALDORF
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 67 (-7) 88 (+1) 70 87
RH % (24H TREND) 89 (-8) 44 (-13) 96 62
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 0.02 0.14
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5700 3690
TRANSPORT WND (MPH) W 7 W 8
VENT RATE (KT-FT) 34200 25830
MAX ADI EARLY 29 FAIR 24 FAIR 27 FAIR 21 FAIR
MAX ADI LATE 4 VERY POOR 51 GEN GOOD 3 VERY POOR 29 FAIR
MAX LVORI EARLY 5 5 5 6
MAX LVORI LATE 5 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH 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 AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ018-190800-
CALVERT-
INCLUDING THE CITIES OF COVE POINT, DRUM POINT, CHESAPEAKE BEACH,
MOUNT HARMONY, BROOMES ISLAND, LONG BEACH, AND DUNKIRK
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 10 20
TEMP (24H TREND) 68 (-6) 88 (+2) 70 86
RH % (24H TREND) 86 (-10) 45 (-18) 94 64
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 0.03 0.20
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5260 3700
TRANSPORT WND (MPH) W 6 SW 7
VENT RATE (KT-FT) 26300 22200
MAX ADI EARLY 13 GEN POOR 22 FAIR 17 GEN POOR 19 GEN POOR
MAX ADI LATE 4 VERY POOR 36 FAIR 4 VERY POOR 23 FAIR
MAX LVORI EARLY 5 5 4 6
MAX LVORI LATE 5 2 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH 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 AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. SOUTH WINDS AROUND 5 MPH.
MDZ011-190800-
SOUTHERN BALTIMORE-
INCLUDING THE CITIES OF BALTIMORE, FELLS POINT, AND PARK HEIGHTS
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 66 (-6) 89 (+3) 69 85
RH % (24H TREND) 86 (-7) 43 (-12) 89 63
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 0.01 0.12
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5850 2810
TRANSPORT WND (MPH) W 8 NW 6
VENT RATE (KT-FT) 40950 14050
MAX ADI EARLY 25 FAIR 34 FAIR 37 FAIR 8 POOR
MAX ADI LATE 4 VERY POOR 59 GEN GOOD 3 VERY POOR 18 GEN POOR
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 5 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH 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 AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MDZ013-190800-
PRINCE GEORGES-
INCLUDING THE CITIES OF BOWIE, SUITLAND-SILVER HILL, CLINTON,
COLLEGE PARK, TANTALLON, GREENBELT, AND MONTPELIER
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 67 (-6) 89 (+2) 70 87
RH % (24H TREND) 84 (-10) 40 (-16) 89 61
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 0.01 0.14
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 6000 3640
TRANSPORT WND (MPH) W 8 W 7
VENT RATE (KT-FT) 42000 21840
MAX ADI EARLY 34 FAIR 32 FAIR 36 FAIR 18 GEN POOR
MAX ADI LATE 4 VERY POOR 62 GOOD 3 VERY POOR 26 FAIR
MAX LVORI EARLY 4 5 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 WITH 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 AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ040-190800-
RAPPAHANNOCK-
INCLUDING THE CITIES OF CASTLETON, FIVE FORKS, FLINT HILL,
HACKLEYS CROSSROADS, ROCK MILLS, AND WASHINGTON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 63 (-8) 87 (+4) 67 85
RH % (24H TREND) 89 (-8) 46 (-18) 89 70
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 0.11
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5930 2810
TRANSPORT WND (MPH) W 7 N 7
VENT RATE (KT-FT) 35580 16860
MAX ADI EARLY 18 GEN POOR 30 FAIR 24 FAIR 13 GEN POOR
MAX ADI LATE 4 VERY POOR 49 GEN GOOD 3 VERY POOR 24 FAIR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. A CHANCE OF SHOWERS. 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 AROUND 60. HIGHS IN THE LOWER 80S.
WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
DCZ001-190800-
DISTRICT OF COLUMBIA-
INCLUDING THE CITIES OF ADAMS MORGAN AND WASHINGTON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 68 (-5) 90 (+2) 72 88
RH % (24H TREND) 81 (-11) 40 (-13) 86 60
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 0.01 0.13
PRECIP DURATION 0 3
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 6050 3370
TRANSPORT WND (MPH) W 8 NW 7
VENT RATE (KT-FT) 42350 20220
MAX ADI EARLY 38 FAIR 35 FAIR 38 FAIR 18 GEN POOR
MAX ADI LATE 4 VERY POOR 58 GEN GOOD 3 VERY POOR 28 FAIR
MAX LVORI EARLY 3 5 3 5
MAX LVORI LATE 4 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ504-190800-
EASTERN HIGHLAND-
INCLUDING THE CITIES OF CLOVER CREEK, LIBERTY, MCDOWELL,
MONTEREY, MUSTOE, POSSUM TROT, AND SIRONS MILL
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 56 (-11) 85 (+7) 61 82
RH % (24H TREND) 100 (+2) 46 (-19) 94 64
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 0.09
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5650 3490
TRANSPORT WND (MPH) W 9 W 12
VENT RATE (KT-FT) 45200 34900
MAX ADI EARLY 39 FAIR 28 FAIR 42 GEN GOOD 45 GEN GOOD
MAX ADI LATE 3 VERY POOR 65 GOOD 3 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 7 8 5 6
MAX LVORI LATE 9 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. 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 UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 80.
WEST WINDS 5 TO 10 MPH.
VAZ027-190800-
SHENANDOAH-
INCLUDING THE CITIES OF CLARY, STRASBURG, ALONZAVILLE, WOODSTOCK,
HAWKINSTOWN, MOUNT CLIFTON, AND MOUNT JACKSON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 59 (-10) 87 (+5) 64 84
RH % (24H TREND) 96 (-1) 45 (-15) 93 65
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 0.01 0.17
PRECIP DURATION 0 5
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5550 2670
TRANSPORT WND (MPH) W 8 NW 7
VENT RATE (KT-FT) 38850 16020
MAX ADI EARLY 37 FAIR 27 FAIR 19 GEN POOR 12 POOR
MAX ADI LATE 3 VERY POOR 52 GEN GOOD 2 VERY POOR 25 FAIR
MAX LVORI EARLY 5 7 4 6
MAX LVORI LATE 6 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ505-190800-
WESTERN LOUDOUN-
INCLUDING THE CITY OF LUCKETTS
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 63 (-7) 87 (+3) 67 84
RH % (24H TREND) 90 (-3) 45 (-13) 92 67
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 0.08
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5920 2770
TRANSPORT WND (MPH) W 9 N 7
VENT RATE (KT-FT) 47360 16620
MAX ADI EARLY 60 GEN GOOD 32 FAIR 33 FAIR 14 GEN POOR
MAX ADI LATE 4 VERY POOR 65 GOOD 3 VERY POOR 23 FAIR
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ028-190800-
FREDERICK-
INCLUDING THE CITIES OF ALBIN, CEDAR GROVE, GAINESBORO,
AND WINCHESTER
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 30 80
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 60 (-9) 87 (+5) 66 82
RH % (24H TREND) 93 (-3) 43 (-13) 93 67
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 0.01 0.14
PRECIP DURATION 1 6
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 6100 2290
TRANSPORT WND (MPH) W 9 NW 7
VENT RATE (KT-FT) 48800 13740
MAX ADI EARLY 65 GOOD 37 FAIR 35 FAIR 11 POOR
MAX ADI LATE 4 VERY POOR 71 GOOD 3 VERY POOR 18 GEN POOR
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 6 1 6 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 80S. 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 AROUND 60. HIGHS IN THE LOWER 80S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ025-190800-
AUGUSTA-
INCLUDING THE CITIES OF CHRISTIAN, CHURCHVILLE, STAUNTON,
WAYNESBORO, SPOTTSWOOD, AND STUARTS DRAFT
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 59 (-11) 87 (+6) 64 85
RH % (24H TREND) 97 (+2) 42 (-21) 89 58
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 0.12
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5990 4380
TRANSPORT WND (MPH) W 8 W 12
VENT RATE (KT-FT) 41930 43800
MAX ADI EARLY 14 GEN POOR 24 FAIR 37 FAIR 35 FAIR
MAX ADI LATE 3 VERY POOR 60 GEN GOOD 2 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 6 7 4 6
MAX LVORI LATE 7 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY WITH 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. LOWS IN THE LOWER
60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
WEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ502-190800-
SOUTHERN FAUQUIER-
INCLUDING THE CITY OF TURNBULL
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 64 (-7) 88 (+2) 68 86
RH % (24H TREND) 89 (-8) 47 (-11) 92 66
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 0.07
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5520 3290
TRANSPORT WND (MPH) W 7 NW 7
VENT RATE (KT-FT) 33120 19740
MAX ADI EARLY 26 FAIR 27 FAIR 27 FAIR 13 GEN POOR
MAX ADI LATE 4 VERY POOR 46 GEN GOOD 2 VERY POOR 26 FAIR
MAX LVORI EARLY 5 6 5 6
MAX LVORI LATE 5 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ026-190800-
ROCKINGHAM-
INCLUDING THE CITIES OF HARRISONBURG AND LINVILLE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 58 (-11) 86 (+6) 63 84
RH % (24H TREND) 100 (+2) 46 (-19) 95 65
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 0.17
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5350 3370
TRANSPORT WND (MPH) W 7 W 8
VENT RATE (KT-FT) 32100 23590
MAX ADI EARLY 22 FAIR 20 GEN POOR 19 GEN POOR 13 GEN POOR
MAX ADI LATE 3 VERY POOR 45 GEN GOOD 2 VERY POOR 32 FAIR
MAX LVORI EARLY 6 8 5 6
MAX LVORI LATE 7 2 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY WITH 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. 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 AROUND 80.
WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ503-190800-
WESTERN HIGHLAND-
INCLUDING THE CITIES OF HIGHTOWN, MILL GAP, AND NEW HAMPDEN
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 53 (-11) 82 (+7) 58 79
RH % (24H TREND) 100 (+1) 48 (-22) 99 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.00 0.11
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5170 3590
TRANSPORT WND (MPH) W 12 W 14
VENT RATE (KT-FT) 51700 43080
MAX ADI EARLY 50 GEN GOOD 30 FAIR 43 GEN GOOD 46 GEN GOOD
MAX ADI LATE 4 VERY POOR 71 GOOD 4 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 9 8 6 6
MAX LVORI LATE 9 2 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
VAZ508-190800-
CENTRAL VIRGINIA BLUE RIDGE-
INCLUDING THE CITY OF MONTEBELLO
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 60
CHANCE OF THUNDER (%) 20 0 0 40
TEMP (24H TREND) 61 (-8) 86 (+7) 65 83
RH % (24H TREND) 93 (-1) 43 (-22) 83 56
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 0.14
PRECIP DURATION 0 4
PRECIP BEGIN 6 PM 8 AM
PRECIP END 8 PM CONTINUING
MIXING HGT(FT-AGL/MSL) 5680 5040
TRANSPORT WND (MPH) W 8 W 10
VENT RATE (KT-FT) 39760 45360
MAX ADI EARLY 13 GEN POOR 25 FAIR 31 FAIR 33 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 7 5 3 4
MAX LVORI LATE 6 1 4 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 70S. WEST 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.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
VAZ506-190800-
EASTERN LOUDOUN-
INCLUDING THE CITIES OF GLEEDSVILLE, LEESBURG,
DULLES INTERNATIONAL AIRPORT, OAK GROVE, STERLING PARK,
AND COUNTRYSIDE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 64 (-8) 88 (+3) 69 85
RH % (24H TREND) 93 (-2) 45 (-12) 92 68
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 0.08
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5790 3070
TRANSPORT WND (MPH) W 8 NW 6
VENT RATE (KT-FT) 40530 15350
MAX ADI EARLY 49 GEN GOOD 30 FAIR 34 FAIR 12 POOR
MAX ADI LATE 4 VERY POOR 57 GEN GOOD 2 VERY POOR 22 FAIR
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ507-190800-
NORTHERN VIRGINIA BLUE RIDGE-
INCLUDING THE CITIES OF CHESTER GAP AND SKYLAND
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 60 (-8) 83 (+5) 64 81
RH % (24H TREND) 91 (-6) 47 (-21) 91 67
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 0.16
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5320 3230
TRANSPORT WND (MPH) W 7 NW 7
VENT RATE (KT-FT) 31920 19380
MAX ADI EARLY 20 GEN POOR 25 FAIR 25 FAIR 12 POOR
MAX ADI LATE 4 VERY POOR 44 GEN GOOD 3 VERY POOR 25 FAIR
MAX LVORI EARLY 5 6 4 5
MAX LVORI LATE 6 2 5 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ501-190800-
NORTHERN FAUQUIER-
INCLUDING THE CITIES OF AIRLIE, BETHEL, AND WARRENTON
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 63 (-7) 88 (+5) 67 84
RH % (24H TREND) 89 (-8) 46 (-15) 91 68
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 0.08
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5920 2850
TRANSPORT WND (MPH) W 7 N 7
VENT RATE (KT-FT) 35520 17100
MAX ADI EARLY 48 GEN GOOD 30 FAIR 27 FAIR 12 POOR
MAX ADI LATE 4 VERY POOR 54 GEN GOOD 3 VERY POOR 25 FAIR
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 5 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. A CHANCE OF SHOWERS. 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 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ029-190800-
PAGE-
INCLUDING THE CITIES OF COMPTON, FAIRVIEW, HAMBURG, KIMBALL,
LURAY, RILEYVILLE, AND INGHAM
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 59 (-10) 88 (+5) 65 86
RH % (24H TREND) 93 (-6) 45 (-16) 93 65
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 0.13
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 4900 2860
TRANSPORT WND (MPH) W 7 NW 8
VENT RATE (KT-FT) 29400 20020
MAX ADI EARLY 17 GEN POOR 23 FAIR 17 GEN POOR 12 POOR
MAX ADI LATE 3 VERY POOR 42 GEN GOOD 2 VERY POOR 27 FAIR
MAX LVORI EARLY 5 7 4 6
MAX LVORI LATE 7 2 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
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 IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS AROUND 5 MPH.
WVZ506-190800-
EASTERN PENDLETON-
INCLUDING THE CITIES OF BRANDYWINE, FRANKLIN, OAK FLAT, RUDDLE,
AND SUGAR GROVE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 56 (-10) 84 (+6) 61 80
RH % (24H TREND) 100 (+1) 47 (-19) 97 71
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 0.14
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5530 3320
TRANSPORT WND (MPH) W 10 W 10
VENT RATE (KT-FT) 49770 29880
MAX ADI EARLY 37 FAIR 28 FAIR 40 FAIR 35 FAIR
MAX ADI LATE 3 VERY POOR 66 GOOD 3 VERY POOR 38 FAIR
MAX LVORI EARLY 7 8 6 7
MAX LVORI LATE 9 1 7 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
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 MID 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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ031-190800-
CLARKE-
INCLUDING THE CITIES OF BERRYVILLE AND STRINGTOWN
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 61 (-8) 88 (+4) 66 84
RH % (24H TREND) 94 (-2) 43 (-13) 93 66
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 0.08
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 6010 2550
TRANSPORT WND (MPH) W 9 N 7
VENT RATE (KT-FT) 48080 15300
MAX ADI EARLY 59 GEN GOOD 34 FAIR 34 FAIR 13 GEN POOR
MAX ADI LATE 4 VERY POOR 65 GOOD 3 VERY POOR 21 FAIR
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 6 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY 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 LOWER 80S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
WVZ053-190800-
JEFFERSON-
INCLUDING THE CITIES OF RANSON, SHENANDOAH JUNCTION, BLOOMERY,
CHARLES TOWN, MIDDLEWAY, BAKERTON, AND MILLVILLE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 61 (-8) 87 (+3) 66 83
RH % (24H TREND) 98 (+1) 45 (-11) 97 68
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 0.08
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5960 2330
TRANSPORT WND (MPH) W 9 N 7
VENT RATE (KT-FT) 47680 13980
MAX ADI EARLY 65 GOOD 33 FAIR 45 GEN GOOD 14 GEN POOR
MAX ADI LATE 4 VERY POOR 66 GOOD 3 VERY POOR 21 FAIR
MAX LVORI EARLY 5 7 4 7
MAX LVORI LATE 6 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. 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 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
VAZ030-190800-
WARREN-
INCLUDING THE CITIES OF ARCO, BENTONVILLE, BUCKTON, CEDARVILLE,
FRONT ROYAL, GLEN ECHO, AND HOWELLSVILLE
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 61 (-9) 88 (+5) 66 84
RH % (24H TREND) 94 (-3) 43 (-17) 93 65
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 0.12
PRECIP DURATION 0 5
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5840 2640
TRANSPORT WND (MPH) W 8 N 7
VENT RATE (KT-FT) 40880 15840
MAX ADI EARLY 38 FAIR 31 FAIR 26 FAIR 12 POOR
MAX ADI LATE 3 VERY POOR 56 GEN GOOD 2 VERY POOR 22 FAIR
MAX LVORI EARLY 4 7 3 6
MAX LVORI LATE 6 1 5 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. 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 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
WVZ052-190800-
BERKELEY-
INCLUDING THE CITY OF MARTINSBURG
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 30 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 61 (-8) 87 (+4) 66 83
RH % (24H TREND) 96 (-2) 45 (-9) 96 69
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 0.02 0.11
PRECIP DURATION 1 5
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5990 2430
TRANSPORT WND (MPH) W 10 N 8
VENT RATE (KT-FT) 53910 17010
MAX ADI EARLY 60 GEN GOOD 37 FAIR 50 GEN GOOD 14 GEN POOR
MAX ADI LATE 4 VERY POOR 74 GOOD 2 VERY POOR 22 FAIR
MAX LVORI EARLY 4 7 4 7
MAX LVORI LATE 6 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. 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 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
WVZ051-190800-
MORGAN-
INCLUDING THE CITIES OF HANCOCK, SHADY GROVE, BERKELEY SPGS,
BERRYVILLE, SMITH CROSSROADS, MAGNOLIA, AND PAW PAW
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 30 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 59 (-8) 85 (+4) 65 80
RH % (24H TREND) 97 (-3) 48 (-8) 97 74
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 0.02 0.18
PRECIP DURATION 1 5
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5760 2620
TRANSPORT WND (MPH) W 10 N 9
VENT RATE (KT-FT) 51840 20960
MAX ADI EARLY 56 GEN GOOD 39 FAIR 50 GEN GOOD 14 GEN POOR
MAX ADI LATE 3 VERY POOR 72 GOOD 2 VERY POOR 28 FAIR
MAX LVORI EARLY 5 7 5 7
MAX LVORI LATE 7 1 7 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 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 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 AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS AROUND 5 MPH.
WVZ050-190800-
HAMPSHIRE-
INCLUDING THE CITIES OF PURGITSVILLE, FRENCHBURG, ROMNEY,
THREE CHURCHES, WAPOCOMO, POINTS, AND SPRINGFIELD
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 80
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 59 (-9) 85 (+5) 65 80
RH % (24H TREND) 97 (+1) 48 (-10) 97 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.02 0.18
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5820 2870
TRANSPORT WND (MPH) W 10 NW 8
VENT RATE (KT-FT) 52380 20090
MAX ADI EARLY 51 GEN GOOD 35 FAIR 45 GEN GOOD 12 POOR
MAX ADI LATE 3 VERY POOR 71 GOOD 2 VERY POOR 26 FAIR
MAX LVORI EARLY 5 7 5 7
MAX LVORI LATE 7 1 7 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 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 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.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS AROUND 80. WEST
WINDS AROUND 5 MPH.
WVZ055-190800-
HARDY-
INCLUDING THE CITIES OF BRAKE, BEAN SETTLEMENT, FISHER, MCNEILL,
AND MOOREFIELD
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 30 80
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 58 (-9) 85 (+6) 63 81
RH % (24H TREND) 95 (-3) 46 (-16) 95 71
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 0.02 0.21
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5530 3160
TRANSPORT WND (MPH) W 9 W 8
VENT RATE (KT-FT) 44240 22120
MAX ADI EARLY 48 GEN GOOD 26 FAIR 35 FAIR 14 GEN POOR
MAX ADI LATE 2 VERY POOR 61 GOOD 2 VERY POOR 29 FAIR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 6 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 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 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.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
SOUTHWEST WINDS AROUND 5 MPH.
MDZ509-190800-
WESTERN GARRETT-
INCLUDING THE CITIES OF MOUNTAIN LAKE PARK AND OAKLAND
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 80
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 55 (-9) 77 (+3) 61 74
RH % (24H TREND) 99 (-1) 62 (-6) 100 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.08 0.16
PRECIP DURATION 2 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 4160 2500
TRANSPORT WND (MPH) W 14 W 10
VENT RATE (KT-FT) 49920 22500
MAX ADI EARLY 54 GEN GOOD 50 GEN GOOD 50 GEN GOOD 25 FAIR
MAX ADI LATE 3 VERY POOR 68 GOOD 3 VERY POOR 30 FAIR
MAX LVORI EARLY 6 9 6 8
MAX LVORI LATE 7 2 8 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. EAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS AROUND 70. WEST WINDS
10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. SOUTHWEST WINDS 5 TO 10 MPH.
MDZ510-190800-
EASTERN GARRETT-
INCLUDING THE CITIES OF GRANTSVILLE AND KITZMILLER
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 80
CHANCE OF THUNDER (%) 0 0 10 30
TEMP (24H TREND) 57 (-7) 80 (+5) 61 76
RH % (24H TREND) 96 (-3) 54 (-9) 100 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.15
PRECIP DURATION 1 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 4680 2850
TRANSPORT WND (MPH) W 14 NW 10
VENT RATE (KT-FT) 56160 25650
MAX ADI EARLY 58 GEN GOOD 49 GEN GOOD 53 GEN GOOD 25 FAIR
MAX ADI LATE 3 VERY POOR 71 GOOD 3 VERY POOR 32 FAIR
MAX LVORI EARLY 6 7 6 7
MAX LVORI LATE 6 1 7 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. EAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS. LOWS AROUND
60. 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 10 TO
15 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
MDZ008-VAZ526-190800-
CECIL-NORTHWEST PRINCE WILLIAM-
INCLUDING THE CITIES OF ANDORA, APPLETON, BARKSDALE, BAY VIEW,
BLAKE, BOHEMIAS MILLS, BRANTWOOD, HAYMARKET, AND WOOLSEY
230 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 63 (-8) 87 (0) 68 86
RH % (24H TREND) 91 (-7) 47 (-10) 93 64
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 0.12
PRECIP DURATION 0 4
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5620 2700
TRANSPORT WND (MPH) W 8 NW 6
VENT RATE (KT-FT) 39340 13500
MAX ADI EARLY 28 FAIR 30 FAIR 35 FAIR 12 POOR
MAX ADI LATE 4 VERY POOR 54 GEN GOOD 3 VERY POOR 17 GEN POOR
MAX LVORI EARLY 5 6 4 6
MAX LVORI LATE 6 1 6 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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