Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

25°F

-4°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.5 in (1032.85 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 29 Dec 12:20 AM PST
Extended Forecast for

Montague CA

  • Overnight

    Overnight: Widespread freezing fog. Partly cloudy, with a low around 22. Light northwest wind.

    Low: 22 °F

    Freezing Fog

  • Monday

    Monday: Widespread freezing fog before 11am. Mostly sunny, with a high near 45. Light northwest wind.

    High: 45 °F

    Freezing Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 11am. Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread freezing fog after 10pm. Partly cloudy, with a low around 25. Light east wind.

    Low: 25 °F

    Freezing Fog

  • Wednesday

    Wednesday: Widespread freezing fog before 10am. Partly sunny, with a high near 48.

    High: 48 °F

    Freezing Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Rain

  • New Year's Day

    New Year's Day: A chance of rain.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Widespread freezing fog. Partly cloudy, with a low around 22. Light northwest wind.
Monday
Widespread freezing fog before 11am. Mostly sunny, with a high near 45. Light northwest wind.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 23. Calm wind.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 48. Calm wind.
Tuesday Night
Widespread freezing fog after 10pm. Partly cloudy, with a low around 25. Light east wind.
Wednesday
Widespread freezing fog before 10am. Partly sunny, with a high near 48.
Wednesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 29.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 34.
Friday
A chance of rain. Mostly cloudy, with a high near 49.
Friday Night
A chance of rain and snow. Snow level 5600 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 33.
Saturday
A chance of rain and snow. Snow level 4600 feet. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Snow level 4100 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
9:41 pm PST Dec 28, 2025
12am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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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