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

32°F

0°C

Humidity 78%
Wind Speed NNE 9 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 18 Jan 05:41 PM PST
Extended Forecast for

11 Miles WNW Tonasket WA

Air Stagnation Advisory January 18, 06:17pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 06:17pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 35. Light east wind.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Light and variable wind becoming northwest around 5 mph after midnight.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. North wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Northwest wind around 5 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 25. North wind around 6 mph.
M.L.King Day
Mostly sunny, with a high near 35. Light east wind.
Monday Night
Partly cloudy, with a low around 26. Light and variable wind becoming northwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 38. North wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 24. Northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 24.
Friday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 33.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 26.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Tonasket WA
 48.8°N 119.64°W (Elev. 2375 ft)
3:07 pm PST Jan 18, 2026
6pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database