Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Mostly Cloudy

83°F

28°C

Humidity	67%
Wind Speed	SW 8 mph
Barometer	30.17 in (1022.2 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	30 Aug 12:56 pm EDT

More Information:

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

Extended Forecast for

4 Miles SSW Clifton VA

This Afternoon
High: 89 °F
Isolated
T-storms
Tonight
Low: 71 °F
Partly Cloudy
Monday
High: 93 °F
Mostly Sunny
then Isolated
T-storms
Monday Night
Low: 73 °F
Partly Cloudy
Tuesday
High: 97 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 76 °F
Partly Cloudy
Wednesday
High: 97 °F
Hot
Wednesday Night
Low: 75 °F
Slight Chance
T-storms
Thursday
High: 95 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Southwest wind around 8 mph. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 71. South wind around 5 mph.

Monday

Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Light northwest wind. Chance of precipitation is 20%.

Monday Night

Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.

Tuesday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

Tuesday Night

Partly cloudy, with a low around 76.

Wednesday

Mostly sunny and hot, with a high near 97.

Wednesday Night

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

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.