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

15 Miles ENE Tonasket WA

Air Stagnation Advisory January 20, 01:42am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 01:42am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 28. North wind 6 to 14 mph.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Northwest wind 7 to 9 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 27. West wind 5 to 9 mph.

    High: 27 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15. West wind 6 to 8 mph.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Northwest wind 7 to 10 mph.
Tuesday
Sunny, with a high near 28. North wind 6 to 14 mph.
Tuesday Night
Mostly clear, with a low around 21. Northwest wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 27. West wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 15. West wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Sunny, with a high near 23.
Friday Night
Mostly clear, with a low around 12.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 21.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Tonasket WA
 48.78°N 119.12°W (Elev. 6293 ft)
1:12 am PST Jan 20, 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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