National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

25°F

-4°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Dec 03:00 AM PST
Extended Forecast for

13 Miles NW Fort Jones CA

  • Overnight

    Overnight: Patchy fog. Widespread freezing fog. Otherwise, partly cloudy, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Freezing Fog
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Widespread freezing fog before 11am. Otherwise, mostly sunny, with a high near 46. Southeast wind 3 to 5 mph.

    High: 46 °F

    Freezing Fog
    and Patchy
    Fog then
    Sunny

  • Sunday Night

    Sunday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 28. South southeast wind 3 to 7 mph.

    Low: 28 °F

    Freezing Fog

  • Monday

    Monday: Widespread freezing fog before 11am. Sunny, with a high near 49. East southeast wind around 5 mph.

    High: 49 °F

    Freezing Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 31. East southeast wind 3 to 5 mph.

    Low: 31 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 11am. Sunny, with a high near 53.

    High: 53 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Patchy fog. Widespread freezing fog. Otherwise, partly cloudy, with a steady temperature around 29. Calm wind.
Sunday
Patchy fog before 9am. Widespread freezing fog before 11am. Otherwise, mostly sunny, with a high near 46. Southeast wind 3 to 5 mph.
Sunday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 28. South southeast wind 3 to 7 mph.
Monday
Widespread freezing fog before 11am. Sunny, with a high near 49. East southeast wind around 5 mph.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 31. East southeast wind 3 to 5 mph.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 34.
New Year's Day
Rain likely, mainly after 4pm. Partly sunny, with a high near 52.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36.
Friday
Rain likely. Mostly cloudy, with a high near 50.
Friday Night
A chance of rain and snow. Snow level 4600 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 33.
Saturday
A chance of rain and snow. Snow level 3700 feet rising to 4400 feet in the afternoon. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NW Fort Jones CA
 41.75°N 123.01°W (Elev. 1850 ft)
Last Update:
2:22 am PST Dec 28, 2025
Forecast Valid:
3am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Chance of Precipitation