Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Mostly Cloudy

83°F

28°C

Humidity	55%
Wind Speed	S 6 mph
Barometer	30.03 in (1017.3 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	26 Aug 5:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles SW Clifton VA

Tonight
Low: 70 °F
Mostly Cloudy
Thursday
High: 89 °F
Mostly Sunny
then Severe
Thunderstorms
Thursday Night
Low: 68 °F
Severe
Thunderstorms
and Patchy
Fog
Friday
High: 87 °F
Mostly Sunny
Friday Night
Low: 67 °F
Mostly Cloudy
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 70 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, with a low around 70. South wind 5 to 7 mph.

Thursday

A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly sunny, with a high near 89. South wind 5 to 8 mph. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could be severe. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Friday

Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 67. Calm wind.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

Mostly clear, with a low around 67.

Sunday

Sunny, with a high near 89.

Sunday Night

Mostly clear, with a low around 70.