Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

OROVILLE (OVLW1)

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

NA

30°F

-1°C

Humidity 84%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Jan 11:41 PM PST
Extended Forecast for

24 Miles NNE Mazama WA

Air Stagnation Advisory January 20, 12:12am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 12:12am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Northwest wind 5 to 10 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. West wind 6 to 8 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Southwest wind around 7 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. West wind around 6 mph.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear early, then becoming mostly cloudy, with a low around 22. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 31. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 19. West wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 29. Southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 17. West wind around 6 mph.
Thursday
Partly sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 23.
Friday Night
Partly cloudy, with a low around 12.
Saturday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 24.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 24.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles NNE Mazama WA
 48.92°N 120.22°W (Elev. 7562 ft)
9:02 pm PST Jan 19, 2026
12am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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