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

Winter Weather Advisory in effect from February 22, 04:00 AM PST until February 23, 10:00 AM PST

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

light snow,mist

27°F

-3°C

Humidity	96%
Wind Speed	E 4 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	26°F (-3°C)
Visibility	0.75 mi
Wind Chill	22°F (-6°C)
Last update	22 Feb 08:22 AM PST

More Information:

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

Extended Forecast for

9 Miles NNW Roslyn WA

Winter Weather Advisory until February 23, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until February 23, 10:00am
NOW until 10:00am Mon
Winter Weather Advisory
Today
High: 34 °F
Snow then
Rain/Snow
Tonight
Low: 29 °F
Rain/Snow
then Snow
Monday
High: 34 °F
Snow
Monday Night
Low: 27 °F
Snow then
Chance Snow
Tuesday
High: 33 °F
Snow Likely
Tuesday Night
Low: 26 °F
Snow Likely
Wednesday
High: 31 °F
Snow Likely
Wednesday Night
Low: 25 °F
Chance Snow

Detailed Forecast

Today

Snow before 1pm, then snow, possibly mixed with rain. High near 34. Southeast wind 11 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around an inch possible.

Tonight

A chance of rain and snow before 7pm, then snow. Low around 29. South wind around 8 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Monday

Snow. High near 34. South wind around 8 mph becoming west in the afternoon. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Monday Night

Snow, mainly before 10pm. Low around 27. Northwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Tuesday

Snow likely. Mostly cloudy, with a high near 33. Northeast wind around 9 mph becoming south in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 26. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Snow likely, mainly after 10am. Partly sunny, with a high near 31. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 25.

Thursday

Snow likely, mainly after 10am. Partly sunny, with a high near 33. Chance of precipitation is 60%.

Thursday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 25.

Friday

Snow likely. Mostly cloudy, with a high near 30.

Friday Night

A chance of snow. Mostly cloudy, with a low around 20.