Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

32°F

0°C

Humidity 80%
Wind Speed N 9 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 27 Dec 08:55 PM PST
Extended Forecast for

Montague CA

  • Tonight

    Tonight: Patchy fog before 10pm, then patchy fog after 11pm. Widespread freezing fog after midnight.  Otherwise, mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Freezing Fog
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Widespread freezing fog before 11am.  Otherwise, mostly sunny, with a high near 43. Light and variable wind.

    High: 43 °F

    Freezing Fog
    and Patchy
    Fog then
    Sunny

  • Sunday Night

    Sunday Night: Widespread freezing fog after 10pm. Partly cloudy, with a low around 22. East northeast wind 3 to 5 mph.

    Low: 22 °F

    Freezing Fog

  • Monday

    Monday: Widespread freezing fog before 11am. Mostly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Freezing Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 23. East wind 3 to 5 mph.

    Low: 23 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 11am. Sunny, with a high near 49.

    High: 49 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Patchy fog before 10pm, then patchy fog after 11pm. Widespread freezing fog after midnight. Otherwise, mostly cloudy, with a low around 23. Calm wind.
Sunday
Patchy fog before 10am. Widespread freezing fog before 11am. Otherwise, mostly sunny, with a high near 43. Light and variable wind.
Sunday Night
Widespread freezing fog after 10pm. Partly cloudy, with a low around 22. East northeast wind 3 to 5 mph.
Monday
Widespread freezing fog before 11am. Mostly sunny, with a high near 46. Calm wind.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 23. East wind 3 to 5 mph.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 30.
New Year's Day
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 48.
Thursday Night
A chance of rain. Snow level 6000 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 31.
Friday
A chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain and snow. Snow level 3900 feet. Mostly cloudy, with a low around 28.
Saturday
A slight chance of rain and snow. Snow level 3300 feet rising to 3900 feet in the afternoon. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
3:41 pm PST Dec 27, 2025
9pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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