Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

A Few Clouds

83°F

28°C

Humidity	72%
Wind Speed	S 3 mph
Barometer	30.07 in (1018.6 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	31 Aug 6:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SE Nokesville VA

Tonight
Low: 72 °F
Slight Chance
T-storms then
Mostly Cloudy
Tuesday
High: 96 °F
Mostly Sunny
Tuesday Night
Low: 75 °F
Slight Chance
T-storms then
Slight Chance
Showers
Wednesday
High: 97 °F
Hot
Wednesday Night
Low: 74 °F
Chance
T-storms
Thursday
High: 98 °F
Hot
Thursday Night
Low: 74 °F
Slight Chance
T-storms
Friday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 68 °F
Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 20%.

Tuesday

Mostly sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the afternoon.

Tuesday Night

A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.

Wednesday

Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind.

Wednesday Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Light southeast wind. Chance of precipitation is 30%.

Thursday

Sunny and hot, with a high near 98.

Thursday Night

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.