Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until December 27, 07:00 AM PST

Current conditions at

Stampede Pass (KSMP)

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

snow,freezing fog

24°F

-4°C

Humidity	100%
Wind Speed	NA 6 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	24°F (-4°C)
Visibility	0.25 mi
Wind Chill	17°F (-8°C)
Last update	27 Dec 01:56 AM PST

More Information:

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

Extended Forecast for

4 Miles SE Snoqualmie Pass WA

Winter Weather Advisory December 27, 02:40am until December 27, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 27, 02:40am until December 27, 07:00am
NOW until 7:00am Sat
Winter Weather Advisory
Overnight
Low: 24 °F
Heavy Snow
Saturday
High: 23 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 21 °F
Slight Chance
Snow and
Patchy Fog
Sunday
High: 30 °F
Patchy Fog
then Mostly
Sunny
Sunday Night
Low: 23 °F
Mostly Cloudy
Monday
High: 34 °F
Partly Sunny
Monday Night
Low: 25 °F
Mostly Cloudy
Tuesday
High: 36 °F
Partly Sunny

Detailed Forecast

Overnight

Snow likely, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a steady temperature around 24. West wind around 7 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 5 to 9 inches possible.

Saturday

A 30 percent chance of snow before 7am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 23. West wind around 5 mph.

Saturday Night

A 20 percent chance of snow before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a steady temperature around 21. Calm wind.

Sunday

Patchy fog before 10am. Otherwise, mostly sunny, with a high near 30. Calm wind.

Sunday Night

Mostly cloudy, with a low around 23. Calm wind.

Monday

Partly sunny, with a high near 34.

Monday Night

Mostly cloudy, with a low around 25.