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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

OROVILLE (OVLW1)

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

NA

47°F

8°C

Humidity 52%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 09 Dec 03:41 PM PST
Extended Forecast for

24 Miles NNE Mazama WA

  • This Afternoon

    This Afternoon: Snow likely. Mostly cloudy, with a high near 23. South wind around 8 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.

    High: 23 °F

    Snow Likely

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Temperature rising to around 32 by 5am. Breezy, with a south wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 22 °F⇑

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 32. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 32 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 23. Breezy, with a west wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 23 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 26. Breezy, with a west wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 28 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely

  • Saturday

    Saturday: A 30 percent chance of snow. Mostly cloudy, with a high near 25.

    High: 25 °F

    Chance Snow

Detailed Forecast

This Afternoon
Snow likely. Mostly cloudy, with a high near 23. South wind around 8 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow. The snow could be heavy at times. Temperature rising to around 32 by 5am. Breezy, with a south wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 32. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 23. Breezy, with a west wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Thursday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 26. Breezy, with a west wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 25.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Sunday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Monday
Snow. The snow could be heavy at times. High near 25. Chance of precipitation is 80%.
Monday Night
Snow. The snow could be heavy at times. Low around 21. Chance of precipitation is 90%.
Tuesday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles NNE Mazama WA
 48.92°N 120.22°W (Elev. 7562 ft)
Last Update:
3:08 pm PST Dec 9, 2025
Forecast Valid:
4pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation