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.

unknown precip

32°F

0°C

Humidity	95%
Wind Speed	NA NA MPH
Barometer	29.98 in (1015.24 mb)
Dewpoint	31°F (-1°C)
Visibility	10.00 mi
Last update	22 Feb 10:56 AM PST

More Information:

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

Extended Forecast for

9 Miles ESE Snoqualmie Pass 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: 40 °F
Rain/Snow
Tonight
Low: 32 °F
Rain/Snow
Monday
High: 40 °F
Rain/Snow
Monday Night
Low: 30 °F
Rain/Snow
Tuesday
High: 40 °F
Rain/Snow
Likely
Tuesday Night
Low: 29 °F
Rain/Snow
Likely
Wednesday
High: 38 °F
Snow Likely
then
Rain/Snow
Likely
Wednesday Night
Low: 28 °F
Rain/Snow
Likely

Detailed Forecast

Today

Rain, possibly mixed with snow before 4pm, then a chance of rain. High near 40. Southeast wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A chance of rain before 7pm, then rain and snow. Low around 32. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Monday

Rain, possibly mixed with snow. High near 40. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Monday Night

Rain and snow. Low around 30. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Tuesday

Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 40. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Tuesday Night

Rain likely before 7pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Wednesday

Snow likely before 1pm, then rain likely, possibly mixed with snow between 1pm and 4pm, then rain likely after 4pm. Partly sunny, with a high near 38. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Wednesday Night

Rain likely, possibly mixed with snow, becoming all snow after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

Thursday

Snow likely before 10am, then rain likely, possibly mixed with snow between 10am and 1pm, then rain likely after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 70%.

Thursday Night

Rain likely before 10pm, then rain and snow likely. Mostly cloudy, with a low around 27.

Friday

Snow likely. Mostly cloudy, with a high near 37.

Friday Night

A chance of snow. Mostly cloudy, with a low around 22.

Saturday

A chance of snow. Mostly sunny, with a high near 39.