Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Stampede Pass (KSMP)

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

Mist

19°F

-7°C

Humidity 95%
Wind Speed NNE 3 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 18°F (-8°C)
Visibility 1.75 mi
Last update 21 Jan 12:56 AM PST
Extended Forecast for

10 Miles N Roslyn WA

  • Overnight

    Overnight: Cloudy, with a steady temperature around 24. Light south wind.

    Low: 24 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 36. Light south wind.

    High: 36 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 21. Calm wind.

    Low: 21 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 18.

    Low: 18 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 24. Light south wind.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 36. Light south wind.
Wednesday Night
Increasing clouds, with a low around 21. Calm wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 33. Calm wind.
Thursday Night
Partly cloudy, with a low around 20. Calm wind.
Friday
Sunny, with a high near 32.
Friday Night
Clear, with a low around 18.
Saturday
Sunny, with a high near 36.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 24.
Monday
A chance of rain and snow. Partly sunny, with a high near 37.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Roslyn WA
 47.38°N 121.11°W (Elev. 3727 ft)
1:07 am PST Jan 21, 2026
1am PST Jan 21, 2026-6pm PST Jan 27, 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