Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from February 22, 05:00 PM EST until February 23, 10:00 AM EST

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

48°F

9°C

Humidity	45%
Wind Speed	Calm
Barometer	29.99 in (1015.9 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Last update	21 Feb 5:55 pm EST

More Information:

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

Extended Forecast for

Accokeek MD

Winter Weather Advisory February 22, 05:00pm until February 23, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 36 °F
Mostly Cloudy
then Rain
Likely
Sunday
High: 38 °F
Rain/Snow
Sunday Night
Low: 31 °F
Rain/Snow
then Snow and
Blustery
Monday
High: 38 °F
Breezy.
Chance Snow
then Chance
Rain/Snow
Monday Night
Low: 25 °F
Partly Cloudy
Tuesday
High: 37 °F
Mostly Sunny
Tuesday Night
Low: 29 °F
Mostly Cloudy
Wednesday
High: 51 °F
Mostly Cloudy
Wednesday Night
Low: 41 °F
Mostly Cloudy
then Chance
Rain

Detailed Forecast

Tonight

A slight chance of rain before 1am, then rain likely after 3am. Increasing clouds, with a low around 36. Light east wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Snow, possibly mixed with rain. High near 38. East wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Sunday Night

Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 31. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Monday

A chance of snow before 1pm, then a slight chance of rain and snow between 1pm and 4pm, then a slight chance of rain after 4pm. Cloudy, with a high near 38. Breezy, with a northwest wind 18 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

Monday Night

Partly cloudy, with a low around 25. Northwest wind 16 to 18 mph, with gusts as high as 23 mph.

Tuesday

Mostly sunny, with a high near 37.

Tuesday Night

Mostly cloudy, with a low around 29.

Wednesday

Mostly cloudy, with a high near 51.

Wednesday Night

A chance of rain after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

Thursday

Rain likely, mainly after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.