Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

76°F

24°C

Humidity	86%
Wind Speed	S 5 mph
Barometer	29.99 in (1015.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	17 Jun 12:55 pm EDT

More Information:

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

Extended Forecast for

Accokeek MDSimilar City Names

Flood Watch June 17, 05:00pm until June 18, 12:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 81 °F
Scattered
T-storms
Tonight
Low: 73 °F
Chance
T-storms
Wednesday
High: 88 °F
Mostly Sunny
then Showers
Likely
Wednesday Night
Low: 76 °F
Chance
T-storms then
Mostly Clear
Juneteenth
High: 90 °F
Sunny then
Showers
Likely
Thursday Night
Low: 69 °F
Showers
Likely
Friday
High: 82 °F
Sunny
Friday Night
Low: 68 °F
Mostly Clear
Saturday
High: 87 °F
Sunny

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. South wind around 5 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Southeast wind around 5 mph. Chance of precipitation is 40%.

Wednesday

A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 76. Southwest wind around 6 mph. Chance of precipitation is 30%.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Sunny, with a high near 90. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Thursday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Friday

Sunny, with a high near 82.

Friday Night

Mostly clear, with a low around 68.

Saturday

Sunny, with a high near 87.

Saturday Night

Partly cloudy, with a low around 73.

Sunday

Sunny, with a high near 92.

Sunday Night

Mostly clear, with a low around 76.