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

18°F

-8°C

Humidity 91%
Wind Speed NA 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 16°F (-9°C)
Visibility 1.25 mi
Wind Chill12°F (-11°C)
Last update 21 Jan 06:16 AM PST
Extended Forecast for

15 Miles N Roslyn WA

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 38. Southwest wind around 5 mph.

    High: 38 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 21. Light southeast wind.

    Low: 21 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 35. Southeast wind 3 to 5 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. East wind 3 to 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. East wind around 6 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 17.

    Low: 17 °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

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 38. Southwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 21. Light southeast wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 35. Southeast wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 18. East wind 3 to 5 mph.
Friday
Sunny, with a high near 33. East wind around 6 mph.
Friday Night
Clear, with a low around 17.
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 23.
Monday
A chance of rain and snow. Partly sunny, with a high near 38.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Roslyn WA
 47.46°N 121.04°W (Elev. 3602 ft)
5:41 am PST Jan 21, 2026
6am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database