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 >

Current conditions at

Stampede Pass (KSMP)

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

light snow,mist

25°F

-4°C

Humidity 96%
Wind Speed NA 4 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 24°F (-4°C)
Visibility 2.00 mi
Wind Chill20°F (-7°C)
Last update 01 Jan 12:53 PM PST
Extended Forecast for

10 Miles E Snoqualmie Pass WA

Winter Weather Advisory January 1, 01:01pm until January 2, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 1, 01:01pm until January 2, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • New Year's Day

    High: 33 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain and snow likely before 7pm, then rain, snow, and freezing rain between 7pm and 10pm, then rain or freezing rain after 10pm.  Temperature rising to around 34 by 3am. Calm wind.  Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.  New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Wintry Mix

  • Friday

    Friday: Rain.  High near 42. Calm wind.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 10pm.  Low around 36. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Rain.  High near 41. Southeast wind around 5 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain

  • Saturday Night

    Saturday Night: Rain.  Low around 34. Chance of precipitation is 90%.

    Low: 34 °F

    Rain

  • Sunday

    Sunday: Rain, possibly mixed with snow.  High near 40. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow likely.  Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain/Snow
    Likely

Detailed Forecast

New Year's Day
Rain and snow likely, mainly after 4pm. Mostly cloudy, with a high near 33. East wind around 5 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow likely before 7pm, then rain, snow, and freezing rain between 7pm and 10pm, then rain or freezing rain after 10pm. Temperature rising to around 34 by 3am. Calm wind. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Friday
Rain. High near 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain, mainly before 10pm. Low around 36. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 41. Southeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 34. Chance of precipitation is 90%.
Sunday
Rain, possibly mixed with snow. High near 40. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Monday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 28.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 38.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 29.
Wednesday
Snow likely. Mostly cloudy, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Snoqualmie Pass WA
 47.44°N 121.19°W (Elev. 2854 ft)
12:56 pm PST Jan 1, 2026
1pm PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database