Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

78°F

26°C

Humidity	70%
Wind Speed	NW 6 mph
Barometer	29.84 in (1010.7 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	13 Aug 4:55 am EDT

More Information:

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

Extended Forecast for

2 Miles N Accokeek MD

Today
High: 90 °F
Mostly Sunny
Tonight
Low: 73 °F
Partly Cloudy
Friday
High: 85 °F
Slight Chance
T-storms then
Chance
Showers
Friday Night
Low: 69 °F
Chance
Showers
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 70 °F
Partly Cloudy
Sunday
High: 89 °F
Slight Chance
Showers then
Chance
T-storms
Sunday Night
Low: 75 °F
Chance
T-storms then
Chance
Showers
Monday
High: 90 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

Mostly sunny, with a high near 90. West wind 5 to 7 mph becoming calm.

Tonight

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

Friday

A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 40%.

Saturday

Mostly sunny, with a high near 86. East wind around 6 mph.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

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

Sunday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.

Monday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 40%.