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

4 Miles SE Snoqualmie Pass WA

Winter Weather Advisory January 1, 01:34pm until January 2, 04:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 1, 01:34pm until January 2, 04:00am
NOW until 4:00am Fri
Winter Weather Advisory
New Year's Day
High: 32 °F
Wintry Mix
Likely
Tonight
Low: 30 °F⇑
Wintry Mix
Friday
High: 38 °F
Rain/Freezing
Rain then
Rain
Friday Night
Low: 34 °F
Rain then
Chance Rain
Saturday
High: 36 °F
Rain
Saturday Night
Low: 32 °F
Rain
Sunday
High: 35 °F
Rain/Snow
Sunday Night
Low: 29 °F
Rain/Snow
then Snow
Likely

Detailed Forecast

New Year's Day

Rain and snow likely before 4pm, then rain, snow, freezing rain, and sleet likely. Mostly cloudy, with a high near 32. Light southeast wind. Chance of precipitation is 60%. Little or no ice accumulation expected. Total daytime snow and sleet accumulation of less than a half inch possible.

Tonight

Rain, snow, freezing rain, and sleet before 1am, then rain between 1am and 4am, then rain or freezing rain after 4am. Temperature rising to around 33 by 5am. Calm wind. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

Friday

Rain or freezing rain, becoming all rain after 10am. High near 38. Calm wind. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.

Friday Night

Rain, mainly before 10pm. Low around 34. Light east wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

Rain. High near 36. Southeast wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Rain. Low around 32. Chance of precipitation is 100%.

Sunday

Rain and snow. High near 35. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Sunday Night

Rain and snow, becoming all snow after 10pm. Low around 29. Chance of precipitation is 80%.

Monday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.

Monday Night

A chance of snow. Mostly cloudy, with a low around 26.

Tuesday

Snow likely. Mostly cloudy, with a high near 33.