Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Stampede Pass (KSMP)

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

Mostly Cloudy

35°F

2°C

Humidity 43%
Wind Speed NA NA MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 31 Mar 11:56 AM PDT
Extended Forecast for

8 Miles S Snoqualmie Pass WA

Winter Weather Advisory April 1, 11:00am until April 2, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Partly sunny, with a high near 43. East wind 3 to 5 mph. Winds could gust as high as 18 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly after 2am.  Low around 31. Calm wind.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: Snow before 11am, then rain, possibly mixed with snow.  High near 40. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 8pm.  Low around 31. Calm wind.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 31 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow.  High near 37. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm.  Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 43. East wind 3 to 5 mph. Winds could gust as high as 18 mph.
Tonight
Snow, mainly after 2am. Low around 31. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Snow before 11am, then rain, possibly mixed with snow. High near 40. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after 8pm. Low around 31. Calm wind. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. High near 37. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Snoqualmie Pass WA
 47.3°N 121.41°W (Elev. 3333 ft)
11:51 am PDT Mar 31, 2026
12pm PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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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