National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Alturas (KAAT)

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

Overcast

39°F

4°C

Humidity 60%
Wind Speed S 18 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 26 Dec 02:30 PM PST
Extended Forecast for

Alturas CA

Winter Storm Warning December 26, 02:59pm until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 26, 02:59pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • This Afternoon

    High: 41 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 23. South wind 6 to 9 mph becoming west northwest after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 35. West northwest wind 3 to 7 mph.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 15. Light and variable wind.

    Low: 15 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 39. Light northeast wind.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Snow showers likely. Snow level 4400 feet. Mostly cloudy, with a high near 41. South wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 23. South wind 6 to 9 mph becoming west northwest after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Partly sunny, with a high near 35. West northwest wind 3 to 7 mph.
Saturday Night
Increasing clouds, with a low around 15. Light and variable wind.
Sunday
Sunny, with a high near 39. Light northeast wind.
Sunday Night
Mostly clear, with a low around 14.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 24.
New Year's Day
A slight chance of showers. Snow level 5000 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alturas CA
 41.5°N 120.53°W (Elev. 4400 ft)
Last Update:
2:21 pm PST Dec 26, 2025
Forecast Valid:
2pm PST Dec 26, 2025-6pm PST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation