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.

Clear

41°F

5°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 09 Dec 08:20 PM PST
Extended Forecast for

12 Miles SSE Canby CA

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 37. Light and variable wind becoming east southeast around 6 mph after midnight.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. South southwest wind 5 to 7 mph becoming calm  in the afternoon.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 32. South southeast wind around 8 mph.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 50. East southeast wind around 6 mph becoming calm  in the morning.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 29. East southeast wind 5 to 8 mph.

    Low: 29 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 37. Light and variable wind becoming east southeast around 6 mph after midnight.
Wednesday
Sunny, with a high near 53. South southwest wind 5 to 7 mph becoming calm in the afternoon.
Wednesday Night
Clear, with a low around 32. South southeast wind around 8 mph.
Thursday
Sunny, with a high near 50. East southeast wind around 6 mph becoming calm in the morning.
Thursday Night
Clear, with a low around 29. East southeast wind 5 to 8 mph.
Friday
Sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A slight chance of rain and snow. Snow level rising to 7800 feet in the afternoon. Partly sunny, with a high near 43.
Monday Night
A chance of rain and snow. Snow level 7800 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 32.
Tuesday
A chance of rain and snow. Snow level 7000 feet. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSE Canby CA
 41.28°N 120.8°W (Elev. 6801 ft)
3:41 pm PST Dec 9, 2025
8pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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