Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

84°F

29°C

Humidity	73%
Wind Speed	W 3 mph
Barometer	29.90 in (1012.7 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	18 Jun 10:55 am EDT

More Information:

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

Extended Forecast for

2 Miles E Accokeek MD

Today
High: 90 °F
Showers
Likely
Tonight
Low: 74 °F
Showers
Likely then
Mostly Clear
Juneteenth
High: 93 °F
Sunny then
Showers
Likely
Thursday Night
Low: 67 °F
Showers
Likely then
Chance
Showers
Friday
High: 85 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 94 °F
Mostly Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Southwest wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, then gradually becoming clear, with a low around 74. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Sunny, with a high near 93. Heat index values as high as 100. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. Southwest wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 85. Northwest wind around 6 mph.

Friday Night

Mostly clear, with a low around 66.

Saturday

Sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 71.

Sunday

Mostly sunny, with a high near 94.

Sunday Night

Mostly clear, with a low around 75.