Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

70°F

21°C

Humidity	95%
Wind Speed	Calm
Barometer	29.93 in (1013.7 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	11 Aug 2:55 am EDT

More Information:

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

Extended Forecast for

Accokeek MD

Overnight
Low: 76 °F
Mostly Cloudy
Tuesday
High: 87 °F
Partly Sunny
then Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
T-storms then
Slight Chance
Showers
Wednesday
High: 85 °F
Partly Sunny
then Chance
Showers
Wednesday Night
Low: 73 °F
Chance
Showers
Thursday
High: 87 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 75 °F
Chance
Showers
Friday
High: 85 °F
Chance
Showers
Friday Night
Low: 67 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 76. West wind around 5 mph.

Tuesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 73. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 30%.

Wednesday

A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 85. Northwest wind around 6 mph. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 30%.

Thursday

A slight chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 67.

Saturday

Sunny, with a high near 83.