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

29°F

-2°C

Humidity 35%
Wind Speed NW 8 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 27 Dec 12:06 PM PST
Extended Forecast for

16 Miles NNW Mazama WA

  • This Afternoon

    This Afternoon: Sunny and cold, with a high near 8. Wind chill values as low as -16. Northwest wind 9 to 15 mph.

    High: 8 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 7 by 10pm. Wind chill values as low as -10. West wind 7 to 9 mph.

    Low: 4 °F⇑

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of snow after 4pm. Partly sunny, with a high near 19. Wind chill values as low as -7. West wind around 8 mph.

    High: 19 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 14. Southwest wind 6 to 8 mph.

    Low: 14 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 25. Southwest wind around 7 mph.

    High: 25 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow. Mostly cloudy, with a high near 29.

    High: 29 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
Sunny and cold, with a high near 8. Wind chill values as low as -16. Northwest wind 9 to 15 mph.
Tonight
Mostly cloudy, with a temperature rising to around 7 by 10pm. Wind chill values as low as -10. West wind 7 to 9 mph.
Sunday
A 10 percent chance of snow after 4pm. Partly sunny, with a high near 19. Wind chill values as low as -7. West wind around 8 mph.
Sunday Night
A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 14. Southwest wind 6 to 8 mph.
Monday
Mostly cloudy, with a high near 25. Southwest wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly cloudy, with a high near 27.
Tuesday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 22.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 29.
Wednesday Night
A 30 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 23.
New Year's Day
A 50 percent chance of snow. Mostly cloudy, with a high near 27.
Thursday Night
Snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 70%.
Friday
Snow likely. Mostly cloudy, with a high near 20. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mazama WA
 48.84°N 120.55°W (Elev. 6926 ft)
Last Update:
8:57 am PST Dec 27, 2025
Forecast Valid:
12pm PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation