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 Snow Fog/Mist

32°F

0°C

Humidity	88%
Wind Speed	NW 16 G 24 mph
Barometer	29.78 in (1008.6 mb)
Dewpoint	29°F (-2°C)
Visibility	4.00 mi
Wind Chill	21°F (-6°C)
Last update	23 Feb 12:52 am EST

More Information:

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

Extended Forecast for

Centreville VA

Winter Weather Advisory February 23, 01:17am until February 23, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory February 23, 01:17am until February 23, 10:00am
NOW until 10:00am Mon
Winter Weather Advisory
Overnight
Low: 30 °F
Snow Likely
Monday
High: 41 °F
Breezy.
Slight Chance
Snow then
Cloudy
Monday Night
Low: 22 °F
Decreasing
Clouds
Tuesday
High: 40 °F
Mostly Sunny
Tuesday Night
Low: 30 °F
Mostly Cloudy
then Chance
Rain/Snow
Wednesday
High: 55 °F
Chance Rain
then Mostly
Sunny
Wednesday Night
Low: 36 °F
Partly Cloudy
Thursday
High: 54 °F
Rain Likely

Detailed Forecast

Overnight

Snow likely, mainly before 2am. Cloudy, with a low around 30. Northwest wind around 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 2 to 4 inches possible.

Monday

A slight chance of snow before 10am. Cloudy, with a high near 41. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

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 40. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.

Tuesday Night

A chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 30. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

Wednesday

A chance of rain before 7am. Mostly sunny, with a high near 55. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 36.

Thursday

Rain likely, mainly after 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.

Thursday Night

Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

Friday

Mostly sunny, with a high near 50.

Friday Night

Mostly clear, with a low around 32.