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 frz rain,mist

26°F

-3°C

Humidity	100%
Wind Speed	NA 3 MPH
Barometer	29.73 in (1006.77 mb)
Dewpoint	26°F (-3°C)
Visibility	3.00 mi
Last update	01 Jan 03:33 PM PST

More Information:

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

Extended Forecast for

11 Miles ENE Snoqualmie Pass WA

Winter Weather Advisory January 1, 03:51pm until January 2, 04:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 1, 03:51pm until January 2, 04:00am
NOW until 4:00am Fri
Winter Weather Advisory
New Year's Day
High: 30 °F
Snow Likely
Tonight
Low: 29 °F⇑
Wintry Mix
Friday
High: 36 °F
Rain/Freezing
Rain then
Rain
Friday Night
Low: 31 °F
Rain
Saturday
High: 35 °F
Rain/Snow
Saturday Night
Low: 31 °F
Rain/Snow
then Snow
Sunday
High: 34 °F
Snow
Sunday Night
Low: 28 °F
Snow

Detailed Forecast

New Year's Day

Snow likely, mainly after 4pm. Mostly cloudy, with a high near 30. Southeast wind around 6 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow likely before 7pm, then rain, snow, and freezing rain between 7pm and 1am, then rain or freezing rain after 1am. Temperature rising to around 33 by 5am. South wind 3 to 5 mph. Chance of precipitation is 90%. New ice accumulation of around a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

Friday

Rain or freezing rain, becoming all rain after 10am. High near 36. Light southwest wind. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.

Friday Night

Rain, mainly after 4am. Low around 31. East wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Rain, possibly mixed with snow before 10am, then snow between 10am and 1pm, then rain, possibly mixed with snow after 1pm. High near 35. South wind 6 to 8 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Saturday Night

Rain, possibly mixed with snow, becoming all snow after 7pm. Low around 31. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Sunday

Snow. High near 34. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Sunday Night

Snow. Low around 28. Chance of precipitation is 80%.

Monday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

Monday Night

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

Tuesday

Snow likely. Mostly cloudy, with a high near 32.

Tuesday Night

Snow likely. Mostly cloudy, with a low around 26.