Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Rain

38°F

3°C

Humidity	89%
Wind Speed	N 10 mph
Barometer	29.87 in (1011.5 mb)
Dewpoint	35°F (2°C)
Visibility	7.00 mi
Wind Chill	31°F (-1°C)
Last update	22 Feb 12:52 pm EST

More Information:

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

Extended Forecast for

2 Miles NNW Great Falls VA

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

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 37 °F
Rain/Snow
Tonight
Low: 32 °F
Heavy Snow
then Snow
Likely and
Breezy
Monday
High: 39 °F
Chance Snow
and Breezy
Monday Night
Low: 22 °F
Decreasing
Clouds
Tuesday
High: 36 °F
Mostly Sunny
Tuesday Night
Low: 29 °F
Mostly Cloudy
then Chance
Snow
Wednesday
High: 52 °F
Mostly Sunny
Wednesday Night
Low: 37 °F
Partly Cloudy
then Chance
Rain
Thursday
High: 50 °F
Rain Likely

Detailed Forecast

This Afternoon

Rain and snow. High near 37. North wind 6 to 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow, mainly before 4am. The snow could be heavy at times. Low around 32. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Monday

A chance of snow, mainly before noon. Cloudy, with a high near 39. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

Monday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.

Tuesday

Mostly sunny, with a high near 36. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

Tuesday Night

A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 52.

Wednesday Night

A chance of rain after 1am. Partly cloudy, with a low around 37. Chance of precipitation is 30%.

Thursday

Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.