National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

8°F

-13°C

Humidity 84%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 4°F (-16°C)
Visibility NA
Last update 28 Dec 01:06 AM PST
Extended Forecast for

9 Miles NNE Mazama WA

  • Overnight

    Overnight: Partly cloudy, with a low around 6. Wind chill values as low as -7. Northwest wind around 9 mph.

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: A 10 percent chance of snow after 4pm. Increasing clouds, with a high near 20. Wind chill values as low as -4. West wind around 7 mph.

    High: 20 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: 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 25. Southwest wind around 6 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. West wind around 6 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 6. Wind chill values as low as -7. Northwest wind around 9 mph.
Sunday
A 10 percent chance of snow after 4pm. Increasing clouds, with a high near 20. Wind chill values as low as -4. West wind around 7 mph.
Sunday Night
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 25. Southwest wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 18. West wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 19.
New Year's Day
A 30 percent chance of snow. Mostly cloudy, with a high near 25.
Thursday Night
Snow likely. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 21. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mazama WA
 48.73°N 120.39°W (Elev. 7110 ft)
Last Update:
1:12 am PST Dec 28, 2025
Forecast Valid:
1am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation