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.

A Few Clouds

35°F

2°C

Humidity	87%
Wind Speed	Calm
Barometer	29.99 in (1015.9 mb)
Dewpoint	31°F (-1°C)
Visibility	10.00 mi
Last update	22 Feb 1:55 am EST

More Information:

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

Extended Forecast for

Mount Vernon VA

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

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 37 °F
Chance Rain
Sunday
High: 39 °F
Rain then
Rain/Snow
Sunday Night
Low: 32 °F
Rain/Snow
then Snow
Monday
High: 41 °F
Breezy.
Chance Snow
then Chance
Rain/Snow
Monday Night
Low: 23 °F
Partly Cloudy
Tuesday
High: 39 °F
Mostly Sunny
Tuesday Night
Low: 30 °F
Mostly Cloudy
Wednesday
High: 54 °F
Partly Sunny
Wednesday Night
Low: 40 °F
Partly Cloudy

Detailed Forecast

Overnight

A chance of rain, mainly after 4am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 40%.

Sunday

Rain before 3pm, then rain and snow. High near 39. Calm wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Sunday Night

Snow, possibly mixed with rain, becoming all snow after 9pm. Low around 32. Northwest wind 11 to 17 mph, with gusts as high as 29 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 41. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.

Monday Night

Partly cloudy, with a low around 23. Northwest wind 13 to 17 mph, with gusts as high as 25 mph.

Tuesday

Mostly sunny, with a high near 39.

Tuesday Night

Mostly cloudy, with a low around 30.

Wednesday

Partly sunny, with a high near 54.

Wednesday Night

Partly cloudy, with a low around 40.

Thursday

Rain likely, mainly after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.