Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fog/Mist

71°F

22°C

Humidity	96%
Wind Speed	Calm
Barometer	30.05 in (1017.8 mb)
Dewpoint	70°F (21°C)
Visibility	6.00 mi
Last update	31 Aug 1:55 am EDT

More Information:

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

Extended Forecast for

Annandale VASimilar City Names

Overnight
Low: 72 °F
Mostly Cloudy
Monday
High: 90 °F
Mostly Sunny
then
Scattered
T-storms
Monday Night
Low: 74 °F
Scattered
T-storms then
Slight Chance
Showers
Tuesday
High: 95 °F
Sunny then
Scattered
T-storms
Tuesday Night
Low: 76 °F
Scattered
T-storms then
Mostly Clear
Wednesday
High: 96 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 76 °F
Slight Chance
T-storms then
Slight Chance
Showers
Thursday
High: 97 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 74 °F
Chance
T-storms

Detailed Forecast

Overnight

Mostly cloudy, with a low around 72. Light west wind.

Monday

Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%.

Monday Night

Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 30%.

Tuesday

Scattered showers and thunderstorms after 2pm. Increasing clouds, with a high near 95. Heat index values as high as 101. West wind 5 to 7 mph. Chance of precipitation is 30%.

Tuesday Night

Scattered showers and thunderstorms before 11pm. Partly cloudy, with a low around 76. West wind 3 to 5 mph. Chance of precipitation is 40%.

Wednesday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 20%.

Thursday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 40%.

Friday

A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Saturday

A slight chance of showers and thunderstorms. Sunny, with a high near 84. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 65.

Sunday

Sunny, with a high near 81.