440
FNUS51 KLWX 211832
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 FRI AUG 21 2026
DISCUSSION
A FRONTAL SYSTEM IS EXPECTED TO STALL NEAR OR JUST SOUTHEAST OF THE
MID-ATLANTIC TODAY WITH ADDITIONAL RIPPLES OF LOW PRESSURE RIDING
ALONG IT RESULTING IN PERIODIC SHOWERS AND A FEW THUNDERSTORMS AT
TIMES THROUGH THE UPCOMING WEEKEND. HIGH PRESSURE TRACKS IN FROM THE
TENNESSEE AND OHIO VALLEYS EARLY NEXT WEEK WHICH LEADS TO A COOL
DOWN WITH LESS HUMIDITY.
VAZ054-220800-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
INCLUDING THE CITIES OF REAGAN NATIONAL AIRPORT, ARLINGTON,
BALLSTON, BARCROFT, CHERRYDALE, RIVERCREST, AND ROSSLYN
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 66 (0) 79 (-5) 67 84
RH % (24H TREND) 100 (0) 79 (+22) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 9 G18
PRECIP AMOUNT 0.13 0.31 0.04 0.00
PRECIP DURATION 4 9 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2370 7090
TRANSPORT WND (MPH) E 9 W 13
VENT RATE (KT-FT) 18960 77990
MAX ADI EARLY 22 FAIR 23 FAIR 15 GEN POOR 50 GEN GOOD
MAX ADI LATE 3 VERY POOR 25 FAIR 3 VERY POOR 95 GOOD
MAX LVORI EARLY 3 7 8 9
MAX LVORI LATE 6 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 70.
HIGHS IN THE UPPER 80S. WEST WINDS 5 TO 10 MPH.
VAZ055-220800-
STAFFORD-
INCLUDING THE CITIES OF ARKENDALE, GARRISONVILLE, SHILOH,
WIDEWATER, BROOKFIELD, FALMOUTH, AND GLENDIE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 80 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 64 (-1) 79 (-5) 65 85
RH % (24H TREND) 100 (+3) 83 (+22) 100 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.28 0.41 0.02 0.00
PRECIP DURATION 5 10 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2020 6400
TRANSPORT WND (MPH) NE 7 W 10
VENT RATE (KT-FT) 12120 57600
MAX ADI EARLY 18 GEN POOR 15 GEN POOR 11 POOR 43 GEN GOOD
MAX ADI LATE 3 VERY POOR 17 GEN POOR 3 VERY POOR 84 GOOD
MAX LVORI EARLY 6 9 10 9
MAX LVORI LATE 10 5 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH.
VAZ056-220800-
SPOTSYLVANIA-
INCLUDING THE CITY OF FREDERICKSBURG
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 70 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 64 (-1) 80 (-4) 64 85
RH % (24H TREND) 100 (+2) 84 (+23) 100 53
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 0.32 0.35 0.02 0.00
PRECIP DURATION 6 7 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2230 6840
TRANSPORT WND (MPH) NW 7 W 10
VENT RATE (KT-FT) 13380 61560
MAX ADI EARLY 20 GEN POOR 13 GEN POOR 11 POOR 34 FAIR
MAX ADI LATE 3 VERY POOR 19 GEN POOR 3 VERY POOR 81 GOOD
MAX LVORI EARLY 6 9 10 9
MAX LVORI LATE 10 5 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH.
VAZ057-220800-
KING GEORGE-
INCLUDING THE CITIES OF ROLLINS FORK AND DAHLGREN
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 80 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 66 (-1) 78 (-5) 67 84
RH % (24H TREND) 100 (+2) 86 (+23) 100 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.26 0.55 0.06 0.00
PRECIP DURATION 6 9 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2040 6090
TRANSPORT WND (MPH) W 8 W 10
VENT RATE (KT-FT) 14280 54810
MAX ADI EARLY 17 GEN POOR 15 GEN POOR 11 POOR 39 FAIR
MAX ADI LATE 3 VERY POOR 20 GEN POOR 3 VERY POOR 69 GOOD
MAX LVORI EARLY 5 9 10 9
MAX LVORI LATE 9 5 9 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 70.
HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
WVZ502-220800-
EASTERN GRANT-
INCLUDING THE CITIES OF CABINS, KLINE GAP, LANDES, MASONVILLE,
PETERSBURG, SEYMOURVILLE, AND WELTON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 60 70 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-2) 82 (+2) 59 79
RH % (24H TREND) 100 (0) 66 (+9) 100 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 10 G21
PRECIP AMOUNT 0.01 0.10 0.06 0.00
PRECIP DURATION 4 6 6
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3560 5580
TRANSPORT WND (MPH) S 8 W 17
VENT RATE (KT-FT) 24920 83700
MAX ADI EARLY 18 GEN POOR 12 POOR 13 GEN POOR 68 GOOD
MAX ADI LATE 2 VERY POOR 31 FAIR 4 VERY POOR 99 GOOD
MAX LVORI EARLY 6 9 8 9
MAX LVORI LATE 9 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. WEST WINDS AROUND 5 MPH.
WVZ503-220800-
WESTERN MINERAL-
INCLUDING THE CITIES OF PIEDMONT AND SULPHUR CITY
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 60 60 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 57 (-1) 77 (+2) 57 73
RH % (24H TREND) 100 (0) 70 (+10) 100 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 11 G24
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G23 W 12 G24
PRECIP AMOUNT 0.03 0.08 0.04 0.00
PRECIP DURATION 2 6 6
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3020 5000
TRANSPORT WND (MPH) S 9 W 22
VENT RATE (KT-FT) 24160 95000
MAX ADI EARLY 26 FAIR 12 POOR 16 GEN POOR 63 GOOD
MAX ADI LATE 3 VERY POOR 32 FAIR 10 POOR 87 GOOD
MAX LVORI EARLY 5 8 9 7
MAX LVORI LATE 8 4 8 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 70.
WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
WVZ504-220800-
EASTERN MINERAL-
INCLUDING THE CITIES OF ANTIOCH, KEYSER, NEW CREEK, RIDGEVILLE,
RUSSELLDALE, HEADSVILLE, AND FORT ASHBY
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 60 60 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 58 (-3) 81 (+1) 60 78
RH % (24H TREND) 100 (0) 69 (+17) 100 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 11 G20
PRECIP AMOUNT 0.03 0.06 0.04 0.00
PRECIP DURATION 3 5 4
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3400 5640
TRANSPORT WND (MPH) S 7 W 17
VENT RATE (KT-FT) 20400 84600
MAX ADI EARLY 14 GEN POOR 10 POOR 16 GEN POOR 70 GOOD
MAX ADI LATE 3 VERY POOR 27 FAIR 4 VERY POOR 73 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 9 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. WEST WINDS AROUND 5 MPH.
WVZ505-220800-
WESTERN PENDLETON-
INCLUDING THE CITY OF RIVERTON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 60 60 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 55 (-3) 77 (+4) 54 72
RH % (24H TREND) 100 (0) 72 (+1) 100 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 8 G27
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6 G26 W 11 G26
PRECIP AMOUNT 0.03 0.08 0.05 0.00
PRECIP DURATION 5 6 6
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3790 4830
TRANSPORT WND (MPH) SW 8 W 20
VENT RATE (KT-FT) 26530 82110
MAX ADI EARLY 29 FAIR 16 GEN POOR 22 FAIR 65 GOOD
MAX ADI LATE 4 VERY POOR 33 FAIR 10 POOR 105 VERY GOOD
MAX LVORI EARLY 9 9 9 7
MAX LVORI LATE 9 4 8 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER
60S. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS
10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
WVZ501-220800-
WESTERN GRANT-
INCLUDING THE CITIES OF BEECHWOOD, WILSONIA, AND BAYARD
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 50 60 60 20
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 55 (-3) 77 (+3) 55 72
RH % (24H TREND) 100 (0) 72 (+7) 100 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G27
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7 G26 W 10 G27
PRECIP AMOUNT 0.01 0.10 0.07 0.01
PRECIP DURATION 3 6 6 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(FT-AGL/MSL) 3170 4700
TRANSPORT WND (MPH) S 9 W 20
VENT RATE (KT-FT) 25360 79900
MAX ADI EARLY 24 FAIR 15 GEN POOR 14 GEN POOR 60 GEN GOOD
MAX ADI LATE 3 VERY POOR 33 FAIR 11 POOR 86 GOOD
MAX LVORI EARLY 6 9 9 7
MAX LVORI LATE 9 4 8 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER
60S. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
WEST WINDS AROUND 5 MPH.
MDZ507-220800-
NORTHWEST HARFORD-
INCLUDING THE CITIES OF BYNUM, HICKORY, BEL AIR, AND FALLSTON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 90 50 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 62 (0) 77 (-3) 64 82
RH % (24H TREND) 100 (+3) 80 (+17) 100 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SE 6 LGT/VAR W 9 G18
PRECIP AMOUNT 0.02 0.16 0.08 0.00
PRECIP DURATION 2 9 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2880 6150
TRANSPORT WND (MPH) E 8 W 15
VENT RATE (KT-FT) 20160 79950
MAX ADI EARLY 19 GEN POOR 24 FAIR 17 GEN POOR 41 GEN GOOD
MAX ADI LATE 3 VERY POOR 30 FAIR 3 VERY POOR 98 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 4 10 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS AROUND 80. WEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
MDZ506-220800-
CENTRAL AND SOUTHEAST HOWARD-
INCLUDING THE CITIES OF CLARKSVILLE, COLUMBIA, SIMPSONVILLE,
HISTORIC ELLICOTT CITY, AND WOODSTOCK
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 90 40 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 63 (0) 77 (-4) 65 82
RH % (24H TREND) 100 (+1) 81 (+21) 100 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 9 G19
PRECIP AMOUNT 0.03 0.22 0.06 0.00
PRECIP DURATION 3 9 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2460 6730
TRANSPORT WND (MPH) E 9 W 14
VENT RATE (KT-FT) 19680 80760
MAX ADI EARLY 16 GEN POOR 24 FAIR 16 GEN POOR 50 GEN GOOD
MAX ADI LATE 3 VERY POOR 26 FAIR 3 VERY POOR 100 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 8 4 9 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
MDZ508-220800-
SOUTHEAST HARFORD-
INCLUDING THE CITIES OF HARFORD FURNACE, ABINGDON, EDGEWOOD,
MAGNOLIA, ABERDEEN, CARSINS, AND CHURCHVILLE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 90 50 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 63 (-1) 78 (-3) 65 83
RH % (24H TREND) 100 (+4) 81 (+18) 100 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 7 G17
PRECIP AMOUNT 0.01 0.23 0.07 0.00
PRECIP DURATION 2 9 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2620 5960
TRANSPORT WND (MPH) E 9 W 14
VENT RATE (KT-FT) 20960 71520
MAX ADI EARLY 19 GEN POOR 23 FAIR 18 GEN POOR 34 FAIR
MAX ADI LATE 3 VERY POOR 27 FAIR 3 VERY POOR 88 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 4 10 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
MDZ501-220800-
EXTREME WESTERN ALLEGANY-
INCLUDING THE CITIES OF FROSTBURG, LA VALE, REYNOLDS,
AND WESTERNPORT
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 60 60 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 58 (0) 79 (+1) 60 76
RH % (24H TREND) 99 (-1) 69 (+15) 100 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 11 G23
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7 G21 W 13 G21
PRECIP AMOUNT 0.01 0.08 0.06 0.00
PRECIP DURATION 2 6 6
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2790 5130
TRANSPORT WND (MPH) S 8 W 20
VENT RATE (KT-FT) 19530 87210
MAX ADI EARLY 20 GEN POOR 12 POOR 15 GEN POOR 61 GOOD
MAX ADI LATE 3 VERY POOR 25 FAIR 9 POOR 83 GOOD
MAX LVORI EARLY 4 7 9 7
MAX LVORI LATE 7 4 9 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND
80. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
MDZ503-220800-
NORTHWEST MONTGOMERY-
INCLUDING THE CITIES OF BOYDS AND GERMANTOWN
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 80 40 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 63 (+1) 77 (-3) 64 81
RH % (24H TREND) 100 (+1) 82 (+20) 100 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G17
WIND 20FT/LATE(MPH) LGT/VAR SE 5 LGT/VAR W 10 G19
PRECIP AMOUNT 0.07 0.20 0.06 0.00
PRECIP DURATION 3 9 3
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2650 6850
TRANSPORT WND (MPH) E 9 W 15
VENT RATE (KT-FT) 21200 89050
MAX ADI EARLY 17 GEN POOR 24 FAIR 20 GEN POOR 56 GEN GOOD
MAX ADI LATE 3 VERY POOR 27 FAIR 3 VERY POOR 110 VERY GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 4 10 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS AROUND 80. WEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
MDZ502-220800-
CENTRAL AND EASTERN ALLEGANY-
INCLUDING THE CITIES OF CUMBERLAND, ELLERSLIE, BRADY, RAWLINGS,
AND MCCOOLE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 60 50 0
CHANCE OF THUNDER (%) 10 20 20 0
TEMP (24H TREND) 58 (-1) 81 (0) 61 80
RH % (24H TREND) 100 (0) 69 (+21) 100 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G19
PRECIP AMOUNT 0.01 0.08 0.06 0.00
PRECIP DURATION 2 5 4
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2990 6250
TRANSPORT WND (MPH) SE 8 W 16
VENT RATE (KT-FT) 20930 87500
MAX ADI EARLY 13 GEN POOR 13 GEN POOR 18 GEN POOR 69 GOOD
MAX ADI LATE 3 VERY POOR 30 FAIR 3 VERY POOR 108 VERY GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 8 3 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
MDZ505-220800-
NORTHWEST HOWARD-
INCLUDING THE CITIES OF LISBON, POPLAR SPRINGS, WATERSVILLE,
GLENELG, GLENWOOD, WEST FRIENDSHIP, AND DAYTON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 80 40 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 63 (+1) 77 (-3) 64 81
RH % (24H TREND) 100 (+1) 82 (+18) 100 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 9 G19
PRECIP AMOUNT 0.04 0.18 0.14 0.00
PRECIP DURATION 3 9 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2490 6640
TRANSPORT WND (MPH) E 9 W 15
VENT RATE (KT-FT) 19920 86320
MAX ADI EARLY 18 GEN POOR 25 FAIR 19 GEN POOR 56 GEN GOOD
MAX ADI LATE 3 VERY POOR 28 FAIR 3 VERY POOR 107 VERY GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 8 4 10 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
MDZ504-220800-
CENTRAL AND SOUTHEAST MONTGOMERY-
INCLUDING THE CITIES OF FOUR CORNERS, SILVER SPRING, GLENMONT,
BETHESDA, GAITHERSBURG, ASPEN HILL, AND ROCKVILLE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 80 40 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 64 (+1) 78 (-4) 65 82
RH % (24H TREND) 100 (0) 80 (+21) 100 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G17
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 9 G19
PRECIP AMOUNT 0.07 0.24 0.05 0.00
PRECIP DURATION 3 9 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2510 6890
TRANSPORT WND (MPH) E 9 W 14
VENT RATE (KT-FT) 20080 82680
MAX ADI EARLY 18 GEN POOR 24 FAIR 17 GEN POOR 56 GEN GOOD
MAX ADI LATE 3 VERY POOR 26 FAIR 3 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 8 4 10 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
MDZ006-220800-
NORTHERN BALTIMORE-
INCLUDING THE CITIES OF RANDALLSTOWN, LONG GREEN, GLYNDON,
REISTERSTOWN, OWINGS MILLS, COCKEYSVILLE, AND TIMONIUM
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 90 40 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 62 (+1) 77 (-3) 64 81
RH % (24H TREND) 100 (+1) 80 (+18) 100 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SE 5 LGT/VAR W 9 G18
PRECIP AMOUNT 0.03 0.15 0.06 0.00
PRECIP DURATION 2 9 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2860 6510
TRANSPORT WND (MPH) E 9 W 15
VENT RATE (KT-FT) 22880 84630
MAX ADI EARLY 19 GEN POOR 26 FAIR 18 GEN POOR 47 GEN GOOD
MAX ADI LATE 3 VERY POOR 28 FAIR 3 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 8 4 10 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS AROUND 80. WEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
MDZ005-220800-
CARROLL-
INCLUDING THE CITIES OF ELDERSBURG, GAMBER, AND WESTMINSTER
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 80 40 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 61 (+1) 77 (-2) 63 80
RH % (24H TREND) 100 (0) 77 (+15) 100 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SE 5 LGT/VAR W 9 G18
PRECIP AMOUNT 0.03 0.12 0.04 0.00
PRECIP DURATION 2 8 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2980 6460
TRANSPORT WND (MPH) E 9 W 15
VENT RATE (KT-FT) 23840 83980
MAX ADI EARLY 20 GEN POOR 27 FAIR 24 FAIR 54 GEN GOOD
MAX ADI LATE 3 VERY POOR 29 FAIR 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 8 4 9 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MDZ004-220800-
FREDERICK-
INCLUDING THE CITIES OF FREDERICK, BALLENGER CREEK, BUCKEYSTOWN,
AND PARK MILLS
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 80 30 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 60 (-1) 78 (-1) 63 81
RH % (24H TREND) 100 (+2) 79 (+17) 100 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G19
PRECIP AMOUNT 0.05 0.12 0.02 0.00
PRECIP DURATION 2 8 3
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2910 6740
TRANSPORT WND (MPH) SE 8 W 16
VENT RATE (KT-FT) 20370 94360
MAX ADI EARLY 17 GEN POOR 24 FAIR 20 GEN POOR 55 GEN GOOD
MAX ADI LATE 3 VERY POOR 27 FAIR 3 VERY POOR 107 VERY GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 8 4 10 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
MDZ003-220800-
WASHINGTON-
INCLUDING THE CITIES OF HAGERSTOWN AND HALFWAY
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 70 30 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 59 (-1) 80 (-1) 63 82
RH % (24H TREND) 100 (0) 70 (+16) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G18
WIND 20FT/LATE(MPH) LGT/VAR SE 5 LGT/VAR W 10 G19
PRECIP AMOUNT 0.02 0.08 0.02 0.00
PRECIP DURATION 2 6 3
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3190 6740
TRANSPORT WND (MPH) SE 9 W 16
VENT RATE (KT-FT) 25520 94360
MAX ADI EARLY 19 GEN POOR 25 FAIR 22 FAIR 55 GEN GOOD
MAX ADI LATE 3 VERY POOR 31 FAIR 3 VERY POOR 75 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 7 3 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE MID 80S.
SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ053-220800-
FAIRFAX-
INCLUDING THE CITIES OF BURKE, FAIRFAX STATION, RESTON,
ANNANDALE, CHANTILLY, LANGLEY, AND MCLEAN
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 64 (0) 79 (-4) 66 84
RH % (24H TREND) 100 (0) 79 (+21) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR NW 9 G19
PRECIP AMOUNT 0.12 0.26 0.03 0.00
PRECIP DURATION 4 9 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2460 7180
TRANSPORT WND (MPH) E 8 W 13
VENT RATE (KT-FT) 17220 78980
MAX ADI EARLY 17 GEN POOR 22 FAIR 16 GEN POOR 54 GEN GOOD
MAX ADI LATE 3 VERY POOR 23 FAIR 3 VERY POOR 97 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 7 5 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ527-220800-
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 FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 64 (0) 79 (-5) 65 84
RH % (24H TREND) 100 (0) 81 (+23) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 7
PRECIP AMOUNT 0.16 0.24 0.02 0.00
PRECIP DURATION 5 10 3
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 1930 6950
TRANSPORT WND (MPH) E 7 W 12
VENT RATE (KT-FT) 11580 69500
MAX ADI EARLY 18 GEN POOR 17 GEN POOR 12 POOR 47 GEN GOOD
MAX ADI LATE 3 VERY POOR 18 GEN POOR 3 VERY POOR 89 GOOD
MAX LVORI EARLY 5 9 10 9
MAX LVORI LATE 9 5 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ051-220800-
CULPEPER-
INCLUDING THE CITIES OF CARDOVA, CATALPA, CULPEPER, REVA,
STEVENSBURG, WINSTON, AND RAPIDAN
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 70 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 62 (-2) 79 (-4) 63 84
RH % (24H TREND) 100 (+1) 82 (+22) 100 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 0.15 0.26 0.07 0.00
PRECIP DURATION 5 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2380 7280
TRANSPORT WND (MPH) N 6 W 10
VENT RATE (KT-FT) 11900 65520
MAX ADI EARLY 18 GEN POOR 12 POOR 11 POOR 40 FAIR
MAX ADI LATE 3 VERY POOR 17 GEN POOR 3 VERY POOR 89 GOOD
MAX LVORI EARLY 6 10 10 9
MAX LVORI LATE 10 6 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. LIGHT AND VARIABLE WIND.
VAZ050-220800-
ORANGE-
INCLUDING THE CITIES OF BURR HILL, EVERONA, LAHORE, MADISON RUN,
NASONS, ORANGE, AND UNIONVILLE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 70 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 63 (-1) 79 (-4) 63 84
RH % (24H TREND) 100 (+3) 80 (+20) 100 49
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 0.22 0.30 0.03 0.00
PRECIP DURATION 6 7 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2330 7560
TRANSPORT WND (MPH) NW 6 W 10
VENT RATE (KT-FT) 11650 68040
MAX ADI EARLY 19 GEN POOR 11 POOR 12 POOR 33 FAIR
MAX ADI LATE 3 VERY POOR 18 GEN POOR 3 VERY POOR 89 GOOD
MAX LVORI EARLY 6 9 10 9
MAX LVORI LATE 10 6 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ036-220800-
NELSON-
INCLUDING THE CITY OF GREENFIELD
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 60 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 64 (-2) 83 (0) 63 85
RH % (24H TREND) 100 (+6) 70 (+10) 100 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7 G17
PRECIP AMOUNT 0.28 0.17 0.02 0.00
PRECIP DURATION 8 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2770 7980
TRANSPORT WND (MPH) SE 7 W 12
VENT RATE (KT-FT) 16620 79800
MAX ADI EARLY 15 GEN POOR 9 POOR 18 GEN POOR 55 GEN GOOD
MAX ADI LATE 3 VERY POOR 23 FAIR 4 VERY POOR 93 GOOD
MAX LVORI EARLY 7 9 10 9
MAX LVORI LATE 10 5 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ037-220800-
ALBEMARLE-
INCLUDING THE CITIES OF CHARLOTTESVILLE AND OVERTON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 60 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 65 (-1) 82 (-2) 64 85
RH % (24H TREND) 100 (+5) 76 (+16) 100 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 8
PRECIP AMOUNT 0.23 0.28 0.05 0.00
PRECIP DURATION 7 5 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2790 8220
TRANSPORT WND (MPH) N 6 W 10
VENT RATE (KT-FT) 13950 73980
MAX ADI EARLY 14 GEN POOR 11 POOR 13 GEN POOR 48 GEN GOOD
MAX ADI LATE 3 VERY POOR 20 GEN POOR 3 VERY POOR 86 GOOD
MAX LVORI EARLY 6 9 10 9
MAX LVORI LATE 9 5 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE MID 80S.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ038-220800-
GREENE-
INCLUDING THE CITY OF SHADY GROVE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 70 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 63 (-2) 81 (-2) 63 84
RH % (24H TREND) 100 (+5) 79 (+18) 100 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 7 G17
PRECIP AMOUNT 0.20 0.35 0.11 0.00
PRECIP DURATION 6 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2390 7800
TRANSPORT WND (MPH) NE 6 W 12
VENT RATE (KT-FT) 11950 78000
MAX ADI EARLY 12 POOR 9 POOR 10 POOR 48 GEN GOOD
MAX ADI LATE 3 VERY POOR 17 GEN POOR 4 VERY POOR 93 GOOD
MAX LVORI EARLY 5 9 10 9
MAX LVORI LATE 8 5 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
VAZ039-220800-
MADISON-
INCLUDING THE CITIES OF FORDSVILLE, FIVE FORKS, MADISON MILLS,
AND TWYMANS MILL
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 70 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 62 (-2) 80 (-2) 62 84
RH % (24H TREND) 100 (+5) 79 (+19) 100 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.14 0.31 0.08 0.00
PRECIP DURATION 5 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2170 7430
TRANSPORT WND (MPH) N 6 W 12
VENT RATE (KT-FT) 10850 74300
MAX ADI EARLY 18 GEN POOR 11 POOR 10 POOR 43 GEN GOOD
MAX ADI LATE 3 VERY POOR 16 GEN POOR 3 VERY POOR 94 GOOD
MAX LVORI EARLY 5 9 10 9
MAX LVORI LATE 9 5 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MDZ014-220800-
ANNE ARUNDEL-
INCLUDING THE CITIES OF GLEN BURNIE, ANNAPOLIS, RIDGEWAY, SEVERN,
SOUTH GATE, SEVERNA PARK, AND ARNOLD
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 90 50 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 65 (-1) 78 (-3) 66 84
RH % (24H TREND) 100 (+1) 78 (+17) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR E 6 LGT/VAR W 9 G17
PRECIP AMOUNT 0.09 0.34 0.14 0.00
PRECIP DURATION 3 9 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2290 6710
TRANSPORT WND (MPH) E 8 W 13
VENT RATE (KT-FT) 16030 73810
MAX ADI EARLY 15 GEN POOR 24 FAIR 16 GEN POOR 43 GEN GOOD
MAX ADI LATE 4 VERY POOR 23 FAIR 3 VERY POOR 91 GOOD
MAX LVORI EARLY 4 8 9 9
MAX LVORI LATE 7 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 70.
HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
MDZ017-220800-
ST. MARYS-
INCLUDING THE CITIES OF DAMERON, LEXINGTON PARK, PINEY POINT,
RIDGE, CALIFORNIA, CALLAWAY, AND SOTTERLEY
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 90 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 65 (-3) 79 (-2) 66 84
RH % (24H TREND) 100 (+2) 83 (+16) 100 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 5
PRECIP AMOUNT 0.36 0.82 0.10 0.00
PRECIP DURATION 5 10 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 1990 5680
TRANSPORT WND (MPH) SE 9 W 10
VENT RATE (KT-FT) 15920 51120
MAX ADI EARLY 13 GEN POOR 22 FAIR 15 GEN POOR 39 FAIR
MAX ADI LATE 6 VERY POOR 21 FAIR 4 VERY POOR 64 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 9 5 9 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER
80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTHWEST
WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
MDZ016-220800-
CHARLES-
INCLUDING THE CITIES OF ST. CHARLES AND WALDORF
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 80 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 64 (-2) 79 (-4) 65 84
RH % (24H TREND) 100 (+1) 82 (+21) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 6
PRECIP AMOUNT 0.25 0.56 0.06 0.00
PRECIP DURATION 5 9 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 1870 6200
TRANSPORT WND (MPH) SE 7 W 12
VENT RATE (KT-FT) 11220 62000
MAX ADI EARLY 18 GEN POOR 18 GEN POOR 12 POOR 41 GEN GOOD
MAX ADI LATE 3 VERY POOR 16 GEN POOR 3 VERY POOR 76 GOOD
MAX LVORI EARLY 5 9 10 9
MAX LVORI LATE 9 5 10 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
MDZ018-220800-
CALVERT-
INCLUDING THE CITIES OF COVE POINT, DRUM POINT, CHESAPEAKE BEACH,
MOUNT HARMONY, BROOMES ISLAND, LONG BEACH, AND DUNKIRK
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 66 (-2) 79 (-2) 66 84
RH % (24H TREND) 100 (+5) 80 (+17) 100 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 6
PRECIP AMOUNT 0.33 0.71 0.09 0.00
PRECIP DURATION 4 10 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 1850 5450
TRANSPORT WND (MPH) E 9 W 10
VENT RATE (KT-FT) 14800 49050
MAX ADI EARLY 12 POOR 22 FAIR 15 GEN POOR 39 FAIR
MAX ADI LATE 5 VERY POOR 22 FAIR 4 VERY POOR 64 GOOD
MAX LVORI EARLY 4 9 9 9
MAX LVORI LATE 7 5 9 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER
80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 70.
HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
MDZ011-220800-
SOUTHERN BALTIMORE-
INCLUDING THE CITIES OF BALTIMORE, FELLS POINT, AND PARK HEIGHTS
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 90 50 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 64 (0) 78 (-4) 66 83
RH % (24H TREND) 100 (+5) 75 (+15) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR E 6 LGT/VAR W 9 G18
PRECIP AMOUNT 0.03 0.24 0.11 0.00
PRECIP DURATION 2 9 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2520 6690
TRANSPORT WND (MPH) E 9 W 14
VENT RATE (KT-FT) 20160 80280
MAX ADI EARLY 17 GEN POOR 24 FAIR 16 GEN POOR 45 GEN GOOD
MAX ADI LATE 3 VERY POOR 27 FAIR 3 VERY POOR 95 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 7 4 10 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 70.
HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
MDZ013-220800-
PRINCE GEORGES-
INCLUDING THE CITIES OF BOWIE, SUITLAND-SILVER HILL, CLINTON,
COLLEGE PARK, TANTALLON, GREENBELT, AND MONTPELIER
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 65 (0) 78 (-4) 66 84
RH % (24H TREND) 100 (+1) 79 (+20) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 9 G18
PRECIP AMOUNT 0.15 0.38 0.11 0.00
PRECIP DURATION 4 9 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2190 6710
TRANSPORT WND (MPH) E 8 W 13
VENT RATE (KT-FT) 15330 73810
MAX ADI EARLY 19 GEN POOR 22 FAIR 13 GEN POOR 46 GEN GOOD
MAX ADI LATE 3 VERY POOR 22 FAIR 3 VERY POOR 91 GOOD
MAX LVORI EARLY 4 9 9 9
MAX LVORI LATE 8 5 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
VAZ040-220800-
RAPPAHANNOCK-
INCLUDING THE CITIES OF CASTLETON, FIVE FORKS, FLINT HILL,
HACKLEYS CROSSROADS, ROCK MILLS, AND WASHINGTON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 62 (-1) 78 (-4) 62 83
RH % (24H TREND) 100 (+3) 81 (+22) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 6 G17
PRECIP AMOUNT 0.09 0.19 0.06 0.00
PRECIP DURATION 5 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2220 7140
TRANSPORT WND (MPH) E 6 W 13
VENT RATE (KT-FT) 11100 78540
MAX ADI EARLY 15 GEN POOR 10 POOR 11 POOR 55 GEN GOOD
MAX ADI LATE 3 VERY POOR 16 GEN POOR 3 VERY POOR 100 GOOD
MAX LVORI EARLY 6 10 10 9
MAX LVORI LATE 9 6 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. LIGHT AND VARIABLE WIND.
DCZ001-220800-
DISTRICT OF COLUMBIA-
INCLUDING THE CITIES OF ADAMS MORGAN AND WASHINGTON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 66 (0) 79 (-5) 67 84
RH % (24H TREND) 100 (0) 77 (+20) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR W 9 G18
PRECIP AMOUNT 0.11 0.29 0.05 0.00
PRECIP DURATION 4 9 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2480 7020
TRANSPORT WND (MPH) E 8 W 14
VENT RATE (KT-FT) 17360 84240
MAX ADI EARLY 21 FAIR 24 FAIR 15 GEN POOR 49 GEN GOOD
MAX ADI LATE 3 VERY POOR 26 FAIR 3 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 4 8 8 9
MAX LVORI LATE 6 4 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE
UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 70.
HIGHS IN THE UPPER 80S. WEST WINDS 5 TO 10 MPH.
VAZ504-220800-
EASTERN HIGHLAND-
INCLUDING THE CITIES OF CLOVER CREEK, LIBERTY, MCDOWELL,
MONTEREY, MUSTOE, POSSUM TROT, AND SIRONS MILL
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 50 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-1) 81 (+2) 57 78
RH % (24H TREND) 100 (+1) 66 (+1) 100 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8 G20
PRECIP AMOUNT 0.05 0.08 0.05 0.00
PRECIP DURATION 6 5 4
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3550 6420
TRANSPORT WND (MPH) SW 8 W 16
VENT RATE (KT-FT) 24850 89880
MAX ADI EARLY 27 FAIR 11 POOR 17 GEN POOR 61 GOOD
MAX ADI LATE 3 VERY POOR 32 FAIR 6 VERY POOR 107 VERY GOOD
MAX LVORI EARLY 8 10 9 8
MAX LVORI LATE 10 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
WEST WINDS AROUND 5 MPH.
VAZ027-220800-
SHENANDOAH-
INCLUDING THE CITIES OF CLARY, STRASBURG, ALONZAVILLE, WOODSTOCK,
HAWKINSTOWN, MOUNT CLIFTON, AND MOUNT JACKSON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 70 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 60 (-1) 81 (0) 60 82
RH % (24H TREND) 100 (+1) 67 (+13) 100 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8 G20
PRECIP AMOUNT 0.03 0.13 0.04 0.00
PRECIP DURATION 4 5 3
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 3040 6860
TRANSPORT WND (MPH) SE 7 W 15
VENT RATE (KT-FT) 18240 89180
MAX ADI EARLY 23 FAIR 13 GEN POOR 14 GEN POOR 69 GOOD
MAX ADI LATE 2 VERY POOR 23 FAIR 3 VERY POOR 109 VERY GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 7 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
VAZ505-220800-
WESTERN LOUDOUN-
INCLUDING THE CITY OF LUCKETTS
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 30 0
CHANCE OF THUNDER (%) 10 20 20 0
TEMP (24H TREND) 62 (0) 79 (-2) 64 82
RH % (24H TREND) 100 (+1) 76 (+18) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G20
WIND 20FT/LATE(MPH) LGT/VAR SE 5 LGT/VAR W 11 G20
PRECIP AMOUNT 0.09 0.17 0.03 0.00
PRECIP DURATION 4 6 3
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2630 7040
TRANSPORT WND (MPH) SE 8 W 15
VENT RATE (KT-FT) 18410 91520
MAX ADI EARLY 21 FAIR 20 GEN POOR 19 GEN POOR 53 GEN GOOD
MAX ADI LATE 3 VERY POOR 24 FAIR 3 VERY POOR 70 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 4 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ028-220800-
FREDERICK-
INCLUDING THE CITIES OF ALBIN, CEDAR GROVE, GAINESBORO,
AND WINCHESTER
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 70 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-2) 80 (-1) 61 82
RH % (24H TREND) 100 (0) 71 (+18) 100 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 11 G20
PRECIP AMOUNT 0.03 0.05 0.02 0.00
PRECIP DURATION 3 6 3
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2930 7060
TRANSPORT WND (MPH) SE 8 W 16
VENT RATE (KT-FT) 20510 98840
MAX ADI EARLY 29 FAIR 22 FAIR 19 GEN POOR 74 GOOD
MAX ADI LATE 3 VERY POOR 25 FAIR 3 VERY POOR 101 VERY GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 8 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ025-220800-
AUGUSTA-
INCLUDING THE CITIES OF CHRISTIAN, CHURCHVILLE, STAUNTON,
WAYNESBORO, SPOTTSWOOD, AND STUARTS DRAFT
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 60 (-2) 82 (+1) 58 83
RH % (24H TREND) 100 (+2) 67 (+6) 100 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8 G19
PRECIP AMOUNT 0.09 0.08 0.08 0.00
PRECIP DURATION 6 6 3
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 3210 7770
TRANSPORT WND (MPH) SW 7 W 14
VENT RATE (KT-FT) 19260 93240
MAX ADI EARLY 24 FAIR 10 POOR 13 GEN POOR 60 GEN GOOD
MAX ADI LATE 2 VERY POOR 26 FAIR 4 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 10 7 9
MAX LVORI LATE 9 5 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S. WEST WINDS 5 TO 10 MPH.
VAZ502-220800-
SOUTHERN FAUQUIER-
INCLUDING THE CITY OF TURNBULL
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 70 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 62 (-2) 79 (-4) 63 84
RH % (24H TREND) 100 (+1) 83 (+24) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.16 0.20 0.02 0.00
PRECIP DURATION 5 7 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2140 6980
TRANSPORT WND (MPH) NE 7 W 12
VENT RATE (KT-FT) 12840 69800
MAX ADI EARLY 18 GEN POOR 16 GEN POOR 12 POOR 47 GEN GOOD
MAX ADI LATE 3 VERY POOR 16 GEN POOR 3 VERY POOR 91 GOOD
MAX LVORI EARLY 6 10 10 9
MAX LVORI LATE 10 5 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH.
VAZ026-220800-
ROCKINGHAM-
INCLUDING THE CITIES OF HARRISONBURG AND LINVILLE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 70 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 60 (-1) 81 (+1) 58 82
RH % (24H TREND) 100 (+1) 71 (+10) 100 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 8 G20
PRECIP AMOUNT 0.05 0.14 0.09 0.00
PRECIP DURATION 4 5 3
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2860 7300
TRANSPORT WND (MPH) S 7 W 14
VENT RATE (KT-FT) 17160 87600
MAX ADI EARLY 21 FAIR 11 POOR 13 GEN POOR 58 GEN GOOD
MAX ADI LATE 3 VERY POOR 20 GEN POOR 4 VERY POOR 100 GOOD
MAX LVORI EARLY 6 10 9 9
MAX LVORI LATE 10 5 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
VAZ503-220800-
WESTERN HIGHLAND-
INCLUDING THE CITIES OF HIGHTOWN, MILL GAP, AND NEW HAMPDEN
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 50 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 57 (-2) 79 (+4) 54 75
RH % (24H TREND) 100 (0) 68 (-3) 100 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7 G24
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5 G23 W 9 G23
PRECIP AMOUNT 0.04 0.08 0.03 0.00
PRECIP DURATION 6 5 5
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3680 5600
TRANSPORT WND (MPH) SW 9 W 18
VENT RATE (KT-FT) 29440 89600
MAX ADI EARLY 28 FAIR 15 GEN POOR 25 FAIR 62 GOOD
MAX ADI LATE 4 VERY POOR 32 FAIR 9 POOR 108 VERY GOOD
MAX LVORI EARLY 9 9 9 8
MAX LVORI LATE 9 4 8 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
VAZ508-220800-
CENTRAL VIRGINIA BLUE RIDGE-
INCLUDING THE CITY OF MONTEBELLO
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 60 (-1) 78 (+1) 59 80
RH % (24H TREND) 100 (+2) 69 (+8) 100 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 8 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5 NW 9 G19
PRECIP AMOUNT 0.18 0.12 0.06 0.00
PRECIP DURATION 8 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2730 7760
TRANSPORT WND (MPH) S 7 W 13
VENT RATE (KT-FT) 16380 85360
MAX ADI EARLY 18 GEN POOR 10 POOR 14 GEN POOR 60 GEN GOOD
MAX ADI LATE 3 VERY POOR 21 FAIR 6 VERY POOR 100 GOOD
MAX LVORI EARLY 6 8 9 7
MAX LVORI LATE 8 5 7 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
VAZ506-220800-
EASTERN LOUDOUN-
INCLUDING THE CITIES OF GLEEDSVILLE, LEESBURG,
DULLES INTERNATIONAL AIRPORT, OAK GROVE, STERLING PARK,
AND COUNTRYSIDE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 63 (0) 79 (-3) 65 83
RH % (24H TREND) 100 (+1) 79 (+21) 100 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G17
WIND 20FT/LATE(MPH) LGT/VAR SE 5 LGT/VAR NW 10 G19
PRECIP AMOUNT 0.08 0.20 0.04 0.00
PRECIP DURATION 4 9 3
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2600 7250
TRANSPORT WND (MPH) SE 8 W 14
VENT RATE (KT-FT) 18200 87000
MAX ADI EARLY 17 GEN POOR 22 FAIR 17 GEN POOR 60 GEN GOOD
MAX ADI LATE 3 VERY POOR 23 FAIR 3 VERY POOR 108 VERY GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 5 10 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. NORTHWEST WINDS 5 TO 10 MPH.
VAZ507-220800-
NORTHERN VIRGINIA BLUE RIDGE-
INCLUDING THE CITIES OF CHESTER GAP AND SKYLAND
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 60 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 58 (-2) 76 (-1) 58 79
RH % (24H TREND) 100 (+1) 78 (+16) 100 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 8 G20
PRECIP AMOUNT 0.10 0.15 0.05 0.00
PRECIP DURATION 5 6 3
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2100 7160
TRANSPORT WND (MPH) S 6 W 14
VENT RATE (KT-FT) 10500 85920
MAX ADI EARLY 18 GEN POOR 10 POOR 11 POOR 56 GEN GOOD
MAX ADI LATE 3 VERY POOR 15 GEN POOR 5 VERY POOR 99 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 6 9 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
VAZ501-220800-
NORTHERN FAUQUIER-
INCLUDING THE CITIES OF AIRLIE, BETHEL, AND WARRENTON
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 61 (-2) 79 (-2) 63 83
RH % (24H TREND) 100 (+1) 80 (+22) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 9 G20
PRECIP AMOUNT 0.09 0.18 0.03 0.00
PRECIP DURATION 5 6 3
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2240 7210
TRANSPORT WND (MPH) E 7 W 13
VENT RATE (KT-FT) 13440 79310
MAX ADI EARLY 17 GEN POOR 15 GEN POOR 14 GEN POOR 56 GEN GOOD
MAX ADI LATE 3 VERY POOR 18 GEN POOR 3 VERY POOR 100 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 5 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ029-220800-
PAGE-
INCLUDING THE CITIES OF COMPTON, FAIRVIEW, HAMBURG, KIMBALL,
LURAY, RILEYVILLE, AND INGHAM
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 60 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-3) 81 (-2) 60 84
RH % (24H TREND) 100 (+1) 69 (+14) 100 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 7 G18
PRECIP AMOUNT 0.05 0.15 0.04 0.00
PRECIP DURATION 5 6 3
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2720 6910
TRANSPORT WND (MPH) S 5 W 14
VENT RATE (KT-FT) 10880 82920
MAX ADI EARLY 13 GEN POOR 10 POOR 11 POOR 58 GEN GOOD
MAX ADI LATE 3 VERY POOR 18 GEN POOR 3 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 5 10 9 9
MAX LVORI LATE 9 5 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
WVZ506-220800-
EASTERN PENDLETON-
INCLUDING THE CITIES OF BRANDYWINE, FRANKLIN, OAK FLAT, RUDDLE,
AND SUGAR GROVE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 60 70 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 58 (-2) 80 (+2) 57 77
RH % (24H TREND) 100 (0) 71 (+5) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G21
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G20
PRECIP AMOUNT 0.03 0.12 0.07 0.00
PRECIP DURATION 5 6 5
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3470 6000
TRANSPORT WND (MPH) S 8 W 16
VENT RATE (KT-FT) 24290 84000
MAX ADI EARLY 21 FAIR 13 GEN POOR 13 GEN POOR 64 GOOD
MAX ADI LATE 3 VERY POOR 29 FAIR 5 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 8 10 9 9
MAX LVORI LATE 10 4 9 2
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 80.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
VAZ031-220800-
CLARKE-
INCLUDING THE CITIES OF BERRYVILLE AND STRINGTOWN
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 70 40 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 60 (-1) 80 (-2) 61 83
RH % (24H TREND) 100 (0) 72 (+19) 100 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 11 G20
PRECIP AMOUNT 0.05 0.09 0.02 0.00
PRECIP DURATION 3 6 3
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2960 7190
TRANSPORT WND (MPH) SE 8 W 15
VENT RATE (KT-FT) 20720 93470
MAX ADI EARLY 22 FAIR 21 FAIR 18 GEN POOR 58 GEN GOOD
MAX ADI LATE 3 VERY POOR 24 FAIR 3 VERY POOR 71 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 9 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
WVZ053-220800-
JEFFERSON-
INCLUDING THE CITIES OF RANSON, SHENANDOAH JUNCTION, BLOOMERY,
CHARLES TOWN, MIDDLEWAY, BAKERTON, AND MILLVILLE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 70 30 0
CHANCE OF THUNDER (%) 10 20 20 0
TEMP (24H TREND) 61 (0) 79 (-2) 62 82
RH % (24H TREND) 100 (0) 74 (+20) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G19
WIND 20FT/LATE(MPH) LGT/VAR SE 6 LGT/VAR W 12 G20
PRECIP AMOUNT 0.04 0.10 0.03 0.00
PRECIP DURATION 2 6 3
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 3040 7020
TRANSPORT WND (MPH) SE 9 W 16
VENT RATE (KT-FT) 24320 98280
MAX ADI EARLY 21 FAIR 24 FAIR 20 GEN POOR 52 GEN GOOD
MAX ADI LATE 3 VERY POOR 29 FAIR 3 VERY POOR 76 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 9 4 10 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
VAZ030-220800-
WARREN-
INCLUDING THE CITIES OF ARCO, BENTONVILLE, BUCKTON, CEDARVILLE,
FRONT ROYAL, GLEN ECHO, AND HOWELLSVILLE
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 61 (-1) 81 (-1) 61 84
RH % (24H TREND) 100 (+1) 70 (+17) 100 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G20
PRECIP AMOUNT 0.05 0.09 0.02 0.00
PRECIP DURATION 4 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 2850 7220
TRANSPORT WND (MPH) SE 7 W 14
VENT RATE (KT-FT) 17100 86640
MAX ADI EARLY 22 FAIR 17 GEN POOR 15 GEN POOR 68 GOOD
MAX ADI LATE 3 VERY POOR 23 FAIR 3 VERY POOR 106 VERY GOOD
MAX LVORI EARLY 5 10 9 9
MAX LVORI LATE 9 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE MID 80S.
SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
WVZ052-220800-
BERKELEY-
INCLUDING THE CITY OF MARTINSBURG
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 70 30 0
CHANCE OF THUNDER (%) 10 20 20 0
TEMP (24H TREND) 60 (-1) 80 (-1) 62 82
RH % (24H TREND) 100 (+1) 72 (+20) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G18
WIND 20FT/LATE(MPH) LGT/VAR SE 5 LGT/VAR W 11 G20
PRECIP AMOUNT 0.05 0.08 0.02 0.00
PRECIP DURATION 2 6 3
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2910 6840
TRANSPORT WND (MPH) SE 9 W 16
VENT RATE (KT-FT) 23280 95760
MAX ADI EARLY 27 FAIR 24 FAIR 21 FAIR 62 GOOD
MAX ADI LATE 3 VERY POOR 28 FAIR 3 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 7 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. NORTHWEST WINDS AROUND 5 MPH.
WVZ051-220800-
MORGAN-
INCLUDING THE CITIES OF HANCOCK, SHADY GROVE, BERKELEY SPGS,
BERRYVILLE, SMITH CROSSROADS, MAGNOLIA, AND PAW PAW
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 40 0
CHANCE OF THUNDER (%) 10 20 20 0
TEMP (24H TREND) 58 (-2) 79 (0) 61 79
RH % (24H TREND) 100 (0) 74 (+20) 100 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8 G20
PRECIP AMOUNT 0.03 0.07 0.03 0.00
PRECIP DURATION 2 5 4
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2780 6450
TRANSPORT WND (MPH) SE 8 W 16
VENT RATE (KT-FT) 19460 90300
MAX ADI EARLY 22 FAIR 22 FAIR 21 FAIR 67 GOOD
MAX ADI LATE 3 VERY POOR 29 FAIR 3 VERY POOR 116 VERY GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 8 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS AROUND 5 MPH.
WVZ050-220800-
HAMPSHIRE-
INCLUDING THE CITIES OF PURGITSVILLE, FRENCHBURG, ROMNEY,
THREE CHURCHES, WAPOCOMO, POINTS, AND SPRINGFIELD
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 50 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 58 (-2) 79 (-1) 60 79
RH % (24H TREND) 100 (0) 71 (+17) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 10 G21
PRECIP AMOUNT 0.03 0.06 0.03 0.00
PRECIP DURATION 3 5 4
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 3140 6220
TRANSPORT WND (MPH) SE 8 W 16
VENT RATE (KT-FT) 21980 87080
MAX ADI EARLY 22 FAIR 17 GEN POOR 17 GEN POOR 74 GOOD
MAX ADI LATE 3 VERY POOR 25 FAIR 3 VERY POOR 99 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 9 3 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. WEST WINDS AROUND 5 MPH.
WVZ055-220800-
HARDY-
INCLUDING THE CITIES OF BRAKE, BEAN SETTLEMENT, FISHER, MCNEILL,
AND MOOREFIELD
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 70 0
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-1) 80 (+1) 59 78
RH % (24H TREND) 100 (0) 69 (+11) 100 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G21
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G21
PRECIP AMOUNT 0.02 0.10 0.05 0.00
PRECIP DURATION 4 6 4
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL) 3390 6090
TRANSPORT WND (MPH) S 7 W 16
VENT RATE (KT-FT) 20340 85260
MAX ADI EARLY 22 FAIR 14 GEN POOR 14 GEN POOR 73 GOOD
MAX ADI LATE 3 VERY POOR 26 FAIR 4 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 8 4 9 1
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
MDZ509-220800-
WESTERN GARRETT-
INCLUDING THE CITIES OF MOUNTAIN LAKE PARK AND OAKLAND
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 60 40
CHANCE OF THUNDER (%) 20 20 20 20
TEMP (24H TREND) 57 (0) 76 (+1) 57 69
RH % (24H TREND) 100 (0) 75 (+12) 100 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G21
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 7 G21 W 10 G23
PRECIP AMOUNT 0.01 0.07 0.09 0.01
PRECIP DURATION 2 6 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 3500 4240
TRANSPORT WND (MPH) S 9 W 20
VENT RATE (KT-FT) 28000 72080
MAX ADI EARLY 30 FAIR 19 GEN POOR 23 FAIR 43 GEN GOOD
MAX ADI LATE 6 VERY POOR 38 FAIR 10 POOR 73 GOOD
MAX LVORI EARLY 5 9 8 7
MAX LVORI LATE 9 4 8 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 60S. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND
5 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
MDZ510-220800-
EASTERN GARRETT-
INCLUDING THE CITIES OF GRANTSVILLE AND KITZMILLER
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 60 20
CHANCE OF THUNDER (%) 20 20 20 20
TEMP (24H TREND) 56 (-1) 77 (+2) 58 72
RH % (24H TREND) 100 (0) 73 (+14) 100 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 11 G23
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G23 W 12 G23
PRECIP AMOUNT 0.01 0.09 0.10 0.00
PRECIP DURATION 2 6 6 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL/MSL) 3100 4610
TRANSPORT WND (MPH) S 10 W 21
VENT RATE (KT-FT) 27900 82980
MAX ADI EARLY 28 FAIR 17 GEN POOR 20 GEN POOR 42 GEN GOOD
MAX ADI LATE 4 VERY POOR 33 FAIR 11 POOR 83 GOOD
MAX LVORI EARLY 5 8 9 6
MAX LVORI LATE 7 4 8 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
60S. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
MDZ008-VAZ526-220800-
CECIL-NORTHWEST PRINCE WILLIAM-
INCLUDING THE CITIES OF ANDORA, APPLETON, BARKSDALE, BAY VIEW,
BLAKE, BOHEMIAS MILLS, BRANTWOOD, HAYMARKET, AND WOOLSEY
231 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 90 50 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 62 (-1) 78 (-3) 64 83
RH % (24H TREND) 100 (+4) 82 (+20) 100 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G17
PRECIP AMOUNT 0.02 0.18 0.07 0.00
PRECIP DURATION 2 9 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(FT-AGL/MSL) 2600 6180
TRANSPORT WND (MPH) E 9 W 13
VENT RATE (KT-FT) 20800 67980
MAX ADI EARLY 15 GEN POOR 22 FAIR 22 FAIR 40 FAIR
MAX ADI LATE 3 VERY POOR 30 FAIR 3 VERY POOR 80 GOOD
MAX LVORI EARLY 6 9 9 10
MAX LVORI LATE 9 5 10 3
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page