Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

59°F

15°C

Humidity	93%
Wind Speed	SE 13 mph
Barometer	29.79 in (1009.1 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	16 Mar 1:55 am EDT

More Information:

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

Extended Forecast for

3 Miles WNW Accokeek MD

Overnight
Low: 56 °F
Showers
Likely
Monday
High: 73 °F
Showers
Likely then
Severe
Thunderstorms
and Breezy
Monday Night
Low: 31 °F
Severe
Thunderstorms
then Showers
Likely
Tuesday
High: 42 °F
Mostly Sunny
Tuesday Night
Low: 26 °F
Mostly Clear
Wednesday
High: 42 °F
Mostly Sunny
Wednesday Night
Low: 30 °F
Mostly Cloudy
Thursday
High: 54 °F
Partly Sunny
Thursday Night
Low: 38 °F
Mostly Cloudy

Detailed Forecast

Overnight

Showers likely, mainly before 3am. Cloudy, with a low around 56. South wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 73. Breezy, with a south wind 13 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Some of the storms could be severe. Low around 31. West wind 10 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Mostly sunny, with a high near 42. West wind 8 to 13 mph, with gusts as high as 23 mph.

Tuesday Night

Mostly clear, with a low around 26. Northwest wind 5 to 9 mph becoming calm after midnight.

Wednesday

Mostly sunny, with a high near 42.

Wednesday Night

Mostly cloudy, with a low around 30.

Thursday

Partly sunny, with a high near 54.

Thursday Night

Mostly cloudy, with a low around 38.