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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Current conditions at

OROVILLE (OVLW1)

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

NA

37°F

3°C

Humidity 54%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 30 Dec 01:41 PM PST
Extended Forecast for

28 Miles NNE Mazama WA

Air Stagnation Advisory until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • This Afternoon

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Southwest wind around 9 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. Southwest wind 6 to 8 mph.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. Southwest wind around 8 mph.

    Low: 19 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 27. Southwest wind 6 to 9 mph.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 10pm. Mostly cloudy, with a low around 19. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 26. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow. Low around 19. Chance of precipitation is 80%.

    Low: 19 °F

    Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 31. Southwest wind around 8 mph.
Tonight
Mostly cloudy, with a low around 23. Southwest wind around 9 mph.
Wednesday
Partly sunny, with a high near 32. Southwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 19. Southwest wind around 8 mph.
New Year's Day
Partly sunny, with a high near 27. Southwest wind 6 to 9 mph.
Thursday Night
A 30 percent chance of snow after 10pm. Mostly cloudy, with a low around 19. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 26. New snow accumulation of less than a half inch possible.
Friday Night
Snow. Low around 19. Chance of precipitation is 80%.
Saturday
Snow. High near 22. Chance of precipitation is 80%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 21.
Sunday Night
Snow likely. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 22.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
28 Miles NNE Mazama WA
 48.98°N 120.2°W (Elev. 7188 ft)
Last Update:
2:47 pm PST Dec 30, 2025
Forecast Valid:
2pm PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation