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

OROVILLE (OVLW1)

Lat: 48.96311°NLon: 119.49161°WElev: 1450.0ft.

NA

24°F

-4°C

Humidity 37%
Wind Speed NW 10 MPH
Barometer NA
Dewpoint 1°F (-17°C)
Visibility NA
Wind Chill14°F (-10°C)
Last update 27 Dec 10:41 AM PST
Extended Forecast for

24 Miles NNE Mazama WA

  • Today

    Today: Patchy blowing snow before noon. Sunny and cold, with a high near 7. Wind chill values as low as -19. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.

    High: 7 °F

    Patchy
    Blowing Snow
    and Blustery

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 7 by 11pm. Wind chill values as low as -14. Northwest wind 6 to 11 mph.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 20. Wind chill values as low as -5. West wind around 6 mph.

    High: 20 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Southwest wind around 6 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 25. Southwest wind around 6 mph.

    High: 25 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °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 21.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy blowing snow before noon. Sunny and cold, with a high near 7. Wind chill values as low as -19. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a temperature rising to around 7 by 11pm. Wind chill values as low as -14. Northwest wind 6 to 11 mph.
Sunday
Partly sunny, with a high near 20. Wind chill values as low as -5. West wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 13. Southwest wind around 6 mph.
Monday
Mostly cloudy, with a high near 25. Southwest wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly cloudy, with a high near 28.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
New Year's Day
A 40 percent chance of snow. Mostly cloudy, with a high near 25.
Thursday Night
Snow likely. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles NNE Mazama WA
 48.92°N 120.22°W (Elev. 7562 ft)
8:57 am PST Dec 27, 2025
11am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database