Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

89°F

32°C

Humidity	55%
Wind Speed	S 7 mph
Barometer	29.97 in (1015.1 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	13 Jun 3:55 pm EDT

More Information:

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

Extended Forecast for

Accokeek MD

Flood Watch June 13, 06:00pm until June 14, 02:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 87 °F
T-storms
Likely
Tonight
Low: 72 °F
Heavy Rain
Saturday
High: 80 °F
Slight Chance
Showers then
Showers
Saturday Night
Low: 68 °F
Showers
Sunday
High: 72 °F
Chance
Showers then
Showers
Likely
Sunday Night
Low: 68 °F
Showers
Monday
High: 73 °F
Showers
Likely
Monday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 79 °F
Mostly Cloudy
then Chance
T-storms

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 5pm, then showers and thunderstorms likely after 5pm. Mostly cloudy, with a high near 87. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Saturday

A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 80. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. East wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 72. East wind around 6 mph. Chance of precipitation is 70%.

Sunday Night

Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.

Monday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

Monday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Tuesday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

Wednesday Night

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

Juneteenth

A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Thursday Night

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

Friday

Sunny, with a high near 87.