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.

21°F

-6°C

Humidity	95%
Wind Speed	NA 3 MPH
Barometer	29.82 in (1009.82 mb)
Dewpoint	20°F (-7°C)
Visibility	10.00 mi
Last update	01 Jan 05:56 AM 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, 06:35am until January 2, 04:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 1, 06:35am until January 2, 04:00am
NOW until 4:00am Fri
Winter Weather Advisory
New Year's Day
High: 32 °F
Snow Likely
Tonight
Low: 30 °F⇑
Snow Likely
Friday
High: 33 °F
Snow Likely
Friday Night
Low: 30 °F
Snow Likely
Saturday
High: 31 °F
Snow Likely
Saturday Night
Low: 28 °F
Snow Likely
Sunday
High: 30 °F
Snow Likely
Sunday Night
Low: 26 °F
Snow Likely

Detailed Forecast

New Year's Day

Snow likely. Mostly cloudy, with a high near 32. Southeast wind 9 to 15 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow likely. Cloudy, with a temperature rising to around 33 by 5am. Southeast wind 9 to 11 mph becoming southwest after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow likely. Cloudy, with a high near 33. West wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely. Mostly cloudy, with a low around 30. Southwest wind 10 to 16 mph becoming southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

Snow likely. Mostly cloudy, with a high near 31. South wind 10 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Saturday Night

Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Sunday

Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

Sunday Night

Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.

Monday

Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

Monday Night

Snow likely. Mostly cloudy, with a low around 25.

Tuesday

Snow likely. Mostly cloudy, with a high near 28.