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

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

9°F

-13°C

Humidity 80%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 4°F (-16°C)
Visibility NA
Last update 28 Dec 09:06 AM PST
Extended Forecast for

21 Miles NNE Mazama WA

  • Today

    Today: A 10 percent chance of snow after 4pm.  Partly sunny, with a high near 21. Wind chill values as low as zero. West wind around 6 mph.

    High: 21 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: A 10 percent chance of snow before 7pm.  Mostly cloudy, with a low around 16. West wind around 6 mph.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 28. Southwest wind around 6 mph.

    High: 28 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. West wind around 6 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 29. Southwest wind around 7 mph.

    High: 29 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 10pm.  Mostly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow

  • New Year's Day

    New Year's Day: A 30 percent chance of snow, mainly after 10am.  Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

Detailed Forecast

Today
A 10 percent chance of snow after 4pm. Partly sunny, with a high near 21. Wind chill values as low as zero. West wind around 6 mph.
Tonight
A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 16. West wind around 6 mph.
Monday
Partly sunny, with a high near 28. Southwest wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 19. West wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 29. Southwest wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 20.
New Year's Day
A 30 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 27.
Thursday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNE Mazama WA
 48.89°N 120.27°W (Elev. 6686 ft)
8:52 am PST Dec 28, 2025
9am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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