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 N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Jan 12:20 AM PST
Extended Forecast for

5 Miles WNW Cedarville CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 35. Southeast wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. Southeast wind around 8 mph becoming west southwest in the afternoon.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. West wind around 9 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Northwest wind around 6 mph.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. North northeast wind around 6 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 35. Southeast wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 48. Southeast wind around 8 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 32. West wind around 9 mph.
Thursday
Mostly sunny, with a high near 46. Northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 30. North northeast wind around 6 mph.
Friday
Sunny, with a high near 41.
Friday Night
Clear, with a low around 30.
Saturday
Sunny, with a high near 37.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Cedarville CA
 41.56°N 120.25°W (Elev. 6352 ft)
9:41 pm PST Jan 20, 2026
12am 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