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

23°F

-5°C

Humidity 92%
Wind Speed WSW 4 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 29 Dec 01:00 AM PST
Extended Forecast for

11 Miles NNW Yreka CA

  • Overnight

    Overnight: Widespread freezing fog. Partly cloudy, with a low around 26. East northeast wind around 5 mph.

    Low: 26 °F

    Freezing Fog

  • Monday

    Monday: Widespread freezing fog before 11am. Sunny, with a high near 51. East wind 3 to 5 mph.

    High: 51 °F

    Freezing Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 29. Light east northeast wind.

    Low: 29 °F

    Freezing Fog

  • Tuesday

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

    High: 53 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Freezing Fog

  • Wednesday

    Wednesday: Widespread freezing fog before 10am. Partly sunny, with a high near 53.

    High: 53 °F

    Freezing Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • New Year's Day

    New Year's Day: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Overnight
Widespread freezing fog. Partly cloudy, with a low around 26. East northeast wind around 5 mph.
Monday
Widespread freezing fog before 11am. Sunny, with a high near 51. East wind 3 to 5 mph.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 29. Light east northeast wind.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 53. Light southeast wind.
Tuesday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 30. Calm wind.
Wednesday
Widespread freezing fog before 10am. Partly sunny, with a high near 53.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
New Year's Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 51.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 37.
Friday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 54.
Friday Night
Rain likely. Snow level 5500 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 36.
Saturday
Rain likely. Snow level 4500 feet. Mostly cloudy, with a high near 51.
Saturday Night
A chance of rain. Snow level 4300 feet. Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Snow level 4000 feet rising to 4600 feet in the afternoon. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Yreka CA
 41.86°N 122.75°W (Elev. 2001 ft)
12:41 am PST Dec 29, 2025
1am 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