Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

23°F

-5°C

Humidity 91%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 28 Dec 01:01 AM PST
Extended Forecast for

27 Miles NNW Mazama WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 7. Wind chill values as low as -1. Southwest wind around 5 mph.

    Low: 7 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly after 4pm.  Partly sunny, with a high near 23. Wind chill values as low as -1. Southwest wind around 6 mph.  New snow accumulation of less than a half inch possible.

    High: 23 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly before 7pm.  Mostly cloudy, with a low around 19. Southwest wind around 6 mph.  New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 30. South wind around 6 mph.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Southeast wind around 7 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 7. Wind chill values as low as -1. Southwest wind around 5 mph.
Sunday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 23. Wind chill values as low as -1. Southwest wind around 6 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow, mainly before 7pm. Mostly cloudy, with a low around 19. Southwest wind around 6 mph. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 30. South wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 23. Southeast wind around 7 mph.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 25.
New Year's Day
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
Thursday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Friday Night
Snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
27 Miles NNW Mazama WA
 48.93°N 120.77°W (Elev. 5748 ft)
1:12 am PST Dec 28, 2025
1am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database