National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Multi-Day Winter Storm Across the Pacific Northwest

A multi-day winter storm will bring heavy snowfall through the weekend and heavy rain through early next week in the Pacific Northwest. The heaviest snow amounts are expected amongst the Cascades however, the heavy rainfall will impact areas along the coastal ranges of western Washington and Oregon. Winter storm warnings, advisories and flood watches are in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

snow,ice fog

21°F

-6°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.58 in (1001.69 mb)
Dewpoint 18°F (-8°C)
Visibility 0.25 mi
Last update 01 Dec 10:56 AM PST
Extended Forecast for

Snoqualmie Pass WA

Winter Storm Warning until December 3, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until December 3, 10:00am

    NOW until
    10:00am Sun

    Winter Storm Warning

  • This
    Afternoon

    This Afternoon: Snow before 5pm, then rain and snow. The snow could be heavy at times. High near 32. West wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 10 to 14 inches possible.

    Rain/Snow

    High: 32 °F

  • Tonight

    Tonight: Snow, possibly mixed with rain. The snow could be heavy at times. Low around 30. West wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Rain/Snow

    Low: 30 °F

  • Saturday

    Saturday: Rain and snow. The snow could be heavy at times. High near 34. West wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Rain/Snow

    High: 34 °F

  • Saturday
    Night

    Saturday Night: Rain and snow. Low around 30. West wind 6 to 9 mph becoming southeast after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Rain/Snow

    Low: 30 °F

  • Sunday

    Sunday: Rain. High near 42. Southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Rain

    High: 42 °F

  • Sunday
    Night

    Sunday Night: Rain. Low around 33. Chance of precipitation is 90%.

    Rain

    Low: 33 °F

  • Monday

    Monday: Rain. High near 40. Chance of precipitation is 90%.

    Rain

    High: 40 °F

  • Monday
    Night

    Monday Night: Rain. The rain could be heavy at times. Low around 38. Chance of precipitation is 100%.

    Heavy Rain

    Low: 38 °F

Detailed Forecast

This Afternoon
Snow before 5pm, then rain and snow. The snow could be heavy at times. High near 32. West wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 10 to 14 inches possible.
Tonight
Snow, possibly mixed with rain. The snow could be heavy at times. Low around 30. West wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Saturday
Rain and snow. The snow could be heavy at times. High near 34. West wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Rain and snow. Low around 30. West wind 6 to 9 mph becoming southeast after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
Rain. High near 42. Southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Rain. Low around 33. Chance of precipitation is 90%.
Monday
Rain. High near 40. Chance of precipitation is 90%.
Monday Night
Rain. The rain could be heavy at times. Low around 38. Chance of precipitation is 100%.
Tuesday
Rain. The rain could be heavy at times. High near 41. Chance of precipitation is 100%.
Tuesday Night
Rain. Mostly cloudy, with a low around 34.
Wednesday
Rain. Mostly cloudy, with a high near 38.
Wednesday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 30.
Thursday
Rain and snow. Mostly cloudy, with a high near 34.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
9:32 am PST Dec 1, 2023
Forecast Valid:
12pm PST Dec 1, 2023-6pm PST Dec 7, 2023
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation