Heat Continues in the Northeast and Northwest U.S.; Areas of Flash Flooding In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the interior Northwest and Northeast U.S. Some relief is expected by Wednesday for the Northeast. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. Thunderstorms, some severe, may produce excessive rainfall from the Ohio Valley to the Central Appalachians. Read More >

Hazardous Weather Conditions

En Español

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

74°F

23°C

Humidity	97%
Wind Speed	Calm
Barometer	30.04 in (1017.5 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	10 Aug 6:56 am EDT

More Information:

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

Extended Forecast for

Burke VA

Flood Watch August 10, 02:00pm until August 10, 11:00pm

Click here for hazard details and duration

Flood Watch

Today

Mostly Sunny
then Heavy
Rain
High: 90 °F
Tonight

T-storms then
Chance
T-storms
Low: 71 °F
Thursday

Chance
Showers then
Mostly Sunny
High: 85 °F
Thursday
Night

Mostly Clear
Low: 66 °F
Friday

Sunny
High: 80 °F
Friday
Night

Mostly Clear
Low: 60 °F
Saturday

Sunny
High: 80 °F
Saturday
Night

Mostly Clear
Low: 60 °F
Sunday

Mostly Sunny
High: 83 °F

Detailed Forecast

Today

Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce gusty winds and heavy rain. High near 90. North wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and possibly a thunderstorm before 8pm, then showers and thunderstorms likely, mainly between 8pm and 11pm. Low around 71. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

A chance of showers and thunderstorms before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 85. Northwest wind around 6 mph. Chance of precipitation is 30%.

Thursday Night

Mostly clear, with a low around 66. Calm wind becoming northwest around 6 mph in the evening.

Friday

Sunny, with a high near 80. North wind 7 to 9 mph.

Friday Night

Mostly clear, with a low around 60.

Saturday

Sunny, with a high near 80.

Saturday Night

Mostly clear, with a low around 60.

Sunday

Mostly sunny, with a high near 83.