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 30.39 in (1029.12 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Dec 01:20 AM PST
Extended Forecast for

Yreka CA

  • Overnight

    Overnight: Widespread freezing fog. Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Freezing Fog

  • Sunday

    Sunday: Patchy fog before 8am. Widespread freezing fog before 11am. Otherwise, sunny, with a high near 43. Light north northeast 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 24. Light east northeast wind.

    Low: 24 °F

    Freezing Fog

  • Monday

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

    High: 45 °F

    Freezing Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 25. Light east wind.

    Low: 25 °F

    Freezing Fog

  • Tuesday

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

    High: 48 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Widespread freezing fog. Mostly cloudy, with a low around 24. Calm wind.
Sunday
Patchy fog before 8am. Widespread freezing fog before 11am. Otherwise, sunny, with a high near 43. Light north northeast wind.
Sunday Night
Widespread freezing fog after 10pm. Partly cloudy, with a low around 24. Light east northeast wind.
Monday
Widespread freezing fog before 11am. Mostly sunny, with a high near 45. Light east wind.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 25. Light east wind.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 31.
New Year's Day
A chance of rain 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 32.
Friday
A chance of rain. 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 30.
Saturday
A chance of rain and snow. Snow level 3200 feet rising to 3900 feet in the afternoon. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
Last Update:
12:42 am PST Dec 28, 2025
Forecast Valid:
1am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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