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

40°F

4°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Last update 09 Dec 08:55 PM PST
Extended Forecast for

11 Miles ENE Bieber CA

  • Tonight

    Tonight: Mostly clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 32. Light east southeast wind.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 62. Calm wind.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 29. Light east southeast wind.

    Low: 29 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Light and variable wind.
Wednesday
Sunny, with a high near 63. Light and variable wind.
Wednesday Night
Clear, with a low around 32. Light east southeast wind.
Thursday
Sunny, with a high near 62. Calm wind.
Thursday Night
Clear, with a low around 29. Light east southeast wind.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A slight chance of rain. Snow level 6500 feet rising to 7800 feet in the afternoon. Partly sunny, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Snow level 7000 feet. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Bieber CA
 41.19°N 120.96°W (Elev. 4199 ft)
3:41 pm PST Dec 9, 2025
9pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database