Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

80°F

27°C

Humidity	53%
Wind Speed	Calm
Barometer	29.99 in (1015.8 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	25 Aug 5:55 pm EDT

More Information:

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

Extended Forecast for

Accokeek MD

Tonight
Low: 64 °F
Partly Cloudy
Wednesday
High: 88 °F
Mostly Sunny
Wednesday Night
Low: 71 °F
Mostly Cloudy
then Chance
Showers
Thursday
High: 88 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 70 °F
Chance
T-storms then
Chance
Showers
Friday
High: 86 °F
Slight Chance
Showers then
Showers
Likely
Friday Night
Low: 70 °F
Showers
Likely
Saturday
High: 85 °F
Chance
Showers
Saturday Night
Low: 70 °F
Chance
Showers then
Partly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm in the evening.

Wednesday

Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon.

Wednesday Night

A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Southeast wind around 8 mph. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88. South wind 7 to 10 mph. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Friday

A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Saturday

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

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 72.

Monday

Sunny, with a high near 90.

Monday Night

Partly cloudy, with a low around 75.