Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

A Few Clouds

85°F

29°C

Humidity	59%
Wind Speed	W 3 mph
Barometer	29.86 in (1011.4 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	12 Aug 12:55 pm EDT

More Information:

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

Extended Forecast for

Mount Vernon VA

Tonight
Low: 72 °F
Chance
T-storms
Thursday
High: 90 °F
Mostly Sunny
Thursday Night
Low: 73 °F
Partly Cloudy
Friday
High: 86 °F
Showers
Likely
Friday Night
Low: 70 °F
Showers
Likely
Saturday
High: 86 °F
Slight Chance
Showers
Saturday Night
Low: 70 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 88 °F
Partly Sunny
then Chance
Showers
Sunday Night
Low: 73 °F
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 90. West wind 3 to 7 mph.

Thursday Night

Partly cloudy, with a low around 73. Light northwest wind.

Friday

Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 86. Light northwest wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 70. Light north wind. Chance of precipitation is 60%.

Saturday

A slight chance of showers before 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

Saturday Night

A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.

Sunday

A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

Monday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

Monday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Tuesday

Sunny, with a high near 87.

Tuesday Night

A slight chance of showers. Mostly clear, with a low around 70. Chance of precipitation is 20%.

Wednesday

A slight chance of showers. Sunny, with a high near 89. Chance of precipitation is 20%.