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 Fog/Mist

38°F

3°C

Humidity	89%
Wind Speed	NE 5 mph
Barometer	29.97 in (1014.8 mb)
Dewpoint	35°F (2°C)
Visibility	5.00 mi
Wind Chill	34°F (1°C)
Last update	22 Feb 8:52 am EST

More Information:

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

Extended Forecast for

3 Miles NNW Mc Lean VA

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

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 37 °F
Rain/Snow
Tonight
Low: 31 °F
Rain/Snow
then Snow and
Blustery
Monday
High: 39 °F
Snow Likely
and Breezy
Monday Night
Low: 22 °F
Partly Cloudy
and Blustery
then Mostly
Clear
Tuesday
High: 36 °F
Mostly Sunny
Tuesday Night
Low: 29 °F
Mostly Cloudy
then Slight
Chance Snow
Wednesday
High: 52 °F
Partly Sunny
Wednesday Night
Low: 37 °F
Partly Cloudy
Thursday
High: 50 °F
Rain Likely

Detailed Forecast

Today

Rain, possibly mixed with snow before noon, then rain between noon and 1pm, then rain and snow after 1pm. High near 37. North wind 3 to 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Rain and snow, becoming all snow after 8pm. Low around 31. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Monday

Snow likely, mainly before 7am. Cloudy, with a high near 39. Breezy, with a northwest wind around 22 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Monday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 30 mph.

Tuesday

Mostly sunny, with a high near 36. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.

Tuesday Night

A slight chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

Wednesday

Partly sunny, with a high near 52.

Wednesday Night

Partly cloudy, with a low around 37.

Thursday

Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.

Thursday Night

Rain likely, mainly before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.