Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Alturas (KAAT)

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

Mostly Cloudy

48°F

9°C

Humidity 60%
Wind Speed SSE 3 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 09 Dec 06:55 PM PST
Extended Forecast for

Alturas CA

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 30. Northwest wind around 5 mph becoming calm  after midnight.

    Low: 30 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 30. Northwest wind around 5 mph becoming calm after midnight.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 62. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 26. Calm wind.
Thursday
Sunny, with a high near 60. Calm wind.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 22. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
A slight chance of rain. Snow level 6500 feet rising to 7800 feet in the afternoon. Partly sunny, with a high near 53.
Monday Night
A chance of rain. Snow level 7800 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 29.
Tuesday
A slight chance of rain. Snow level 6900 feet. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Alturas CA
 41.49°N 120.56°W (Elev. 4400 ft)
3:41 pm PST Dec 9, 2025
7pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

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