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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

Alturas (KAAT)

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

Overcast

22°F

-6°C

Humidity 84%
Wind Speed S 3 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 18 Feb 10:55 PM PST
Extended Forecast for

Alturas CA

Winter Weather Advisory February 18, 11:11pm until February 19, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 11:11pm until February 19, 07:00pm

    NOW until 7:00pm Thu

    Winter Weather Advisory

  • Tonight

    Low: 17 °F

    Chance Snow

  • Thursday

    Thursday: Snow, mainly before 3pm. High near 34. South southeast wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 12. West wind 3 to 7 mph. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35. Light southwest wind.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. South southeast wind around 6 mph.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 46.

    High: 46 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly between 1am and 4am. Mostly cloudy, with a low around 17. Southeast wind around 5 mph. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Snow, mainly before 3pm. High near 34. South southeast wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 12. West wind 3 to 7 mph. New snow accumulation of less than a half inch possible.
Friday
Partly sunny, with a high near 35. Light southwest wind.
Friday Night
Partly cloudy, with a low around 12. South southeast wind around 6 mph.
Saturday
Partly sunny, with a high near 40.
Saturday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 23.
Sunday
A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 46.
Sunday Night
Rain likely. Snow level 5700 feet. Mostly cloudy, with a low around 34.
Monday
Rain likely, possibly mixed with snow. Snow level 5700 feet. Mostly cloudy, with a high near 47.
Monday Night
Rain and snow likely. Snow level 5300 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 30.
Tuesday
Rain and snow likely. Snow level rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 46.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Mostly cloudy, with a high near 46.
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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:
10:17 pm PST Feb 18, 2026
Forecast Valid:
11pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation