Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72° N Lon: 77.18° W Elev: 69 ft.

A Few Clouds

67°F

19°C

Humidity	69%
Wind Speed	Calm
Barometer	30.09 in (1019.2 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	19 Sep 6:55 am EDT

More Information:

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

Detailed forecast for

Fairfax County

Rest Of The Overnight

Partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph.

Today

Partly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.

Tonight

Mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph.

Sunday

Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Sunday Night

Showers likely. Lows in the lower 60s. Southwest winds around 5 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain 70 percent.

Monday

Mostly cloudy with a 40 percent chance of showers. Highs in the lower 70s.

Monday Night

Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s.

Tuesday

Showers likely. Highs in the mid 60s. Chance of rain 60 percent.

Tuesday Night

Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.

Wednesday

Mostly cloudy with a 50 percent chance of showers. Highs in the lower 60s.

Wednesday Night

Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 50 percent.