Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Clear

27°F

-3°C

Humidity 92%
Wind Speed NNW 3 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 25°F (-4°C)
Visibility 8.00 mi
Last update 21 Jan 04:35 AM PST
Extended Forecast for

6 Miles SSE Canby CA

  • Today

    Today: Partly sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. West southwest wind 3 to 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 48 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. North northwest wind around 5 mph becoming calm  after midnight.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 42. North northeast wind 3 to 7 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 23.

    Low: 23 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 50. Light and variable wind.
Tonight
Mostly cloudy, with a low around 34. West southwest wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 30. North northwest wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 42. North northeast wind 3 to 7 mph.
Friday Night
Clear, with a low around 23.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Canby CA
 41.37°N 120.83°W (Elev. 5515 ft)
3:41 am PST Jan 21, 2026
4am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database