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

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

freezing fog

31°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 31°F (-1°C)
Visibility 0.25 mi
Last update 10 Dec 01:53 AM PST
Extended Forecast for

6 Miles ENE Montague CA

  • Overnight

    Overnight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 56. Calm wind.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. Light east northeast wind.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. Calm wind.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Light east wind.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 36. Light and variable wind.
Wednesday
Patchy fog before 10am. Otherwise, sunny, with a high near 56. Calm wind.
Wednesday Night
Mostly clear, with a low around 33. Light east northeast wind.
Thursday
Sunny, with a high near 55. Calm wind.
Thursday Night
Mostly clear, with a low around 32. Light east wind.
Friday
Sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 53.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Monday
A chance of rain. Mostly cloudy, with a high near 53.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Montague CA
 41.75°N 122.42°W (Elev. 3094 ft)
12:41 am PST Dec 10, 2025
2am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database