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

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 28 Dec 12:00 AM PST
Extended Forecast for

10 Miles NNE Montague CA

  • Overnight

    Overnight: Patchy fog after 2am. Widespread freezing fog.  Otherwise, mostly cloudy early, then becoming mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Freezing Fog
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Widespread freezing fog before 11am.  Otherwise, sunny, with a high near 43. Calm wind becoming south around 6 mph in the afternoon.

    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 around 6 mph.

    Low: 22 °F

    Freezing Fog

  • Monday

    Monday: Widespread freezing fog before 11am. Mostly sunny, with a high near 46. East wind around 6 mph.

    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 around 6 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 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Patchy fog after 2am. Widespread freezing fog. Otherwise, mostly cloudy early, then becoming mostly clear, with a low around 22. Calm wind.
Sunday
Patchy fog before 9am. Widespread freezing fog before 11am. Otherwise, sunny, with a high near 43. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Widespread freezing fog after 10pm. Partly cloudy, with a low around 22. East northeast wind around 6 mph.
Monday
Widespread freezing fog before 11am. Mostly sunny, with a high near 46. East wind around 6 mph.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 23. East wind around 6 mph.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 29.
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 5100 feet after midnight . Mostly cloudy, with a low around 31.
Friday
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain and snow. Snow level 3800 feet. Mostly cloudy, with a low around 28.
Saturday
A slight chance of rain and snow. Snow level 3200 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Montague CA
 41.86°N 122.45°W (Elev. 2598 ft)
9:41 pm PST Dec 27, 2025
12am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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