Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until January 2, 04:00 AM PST

Current conditions at

Stampede Pass (KSMP)

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

light snow,mist

26°F

-3°C

Humidity	95%
Wind Speed	NA 3 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	25°F (-4°C)
Visibility	3.00 mi
Last update	01 Jan 01:07 PM PST

More Information:

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

Extended Forecast for

10 Miles NE Snoqualmie Pass WA

Winter Weather Advisory January 1, 01:53pm until January 2, 04:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 1, 01:53pm until January 2, 04:00am
NOW until 4:00am Fri
Winter Weather Advisory
New Year's Day
High: 31 °F
Snow Likely
Tonight
Low: 29 °F⇑
Wintry Mix
Friday
High: 33 °F
Snow
Friday Night
Low: 29 °F
Snow
Saturday
High: 31 °F
Snow
Saturday Night
Low: 28 °F
Snow
Sunday
High: 29 °F
Snow
Sunday Night
Low: 25 °F
Snow

Detailed Forecast

New Year's Day

Snow likely, mainly after 4pm. Mostly cloudy, with a high near 31. Southeast wind around 9 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow before 10pm, then rain, snow, and freezing rain between 10pm and 1am, then rain and snow after 1am. Temperature rising to around 32 by 5am. Southwest wind around 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.

Friday

Snow. High near 33. Southwest wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow. Low around 29. South wind 10 to 17 mph becoming east after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday

Snow. High near 31. Southeast wind 9 to 16 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Snow. Low around 28. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Sunday

Snow. High near 29. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Sunday Night

Snow. Low around 25. Chance of precipitation is 80%.

Monday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.

Monday Night

Snow likely, mainly after 4am. Mostly cloudy, with a low around 22.

Tuesday

Snow likely. Mostly cloudy, with a high near 27.