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

29°F

-2°C

Humidity 85%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 20 Jan 12:41 AM PST
Extended Forecast for

28 Miles NNE Mazama WA

Air Stagnation Advisory January 20, 01:03am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 01:03am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Northwest wind 6 to 10 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. Northwest wind around 7 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 29. West wind around 7 mph.

    High: 29 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16. West wind around 6 mph.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 20. Northwest wind 10 to 14 mph.
Tuesday
Mostly sunny, with a high near 30. Northwest wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 18. Northwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 29. West wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 16. West wind around 6 mph.
Thursday
Partly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 11.
Saturday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 23.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
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. Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles NNE Mazama WA
 48.98°N 120.2°W (Elev. 7188 ft)
9:02 pm PST Jan 19, 2026
1am 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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