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 91%
Wind Speed N 0 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 29 Dec 02:53 AM PST
Extended Forecast for

6 Miles SW Yreka CA

  • Overnight

    Overnight: Mostly clear, with a low around 27. North wind around 7 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. Northeast wind around 5 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. North wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46. East northeast wind around 5 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southeast wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers before 4am, then a chance of rain after 4am.  Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Showers

  • New Year's Day

    New Year's Day: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 42.

    High: 42 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Snow level 7300 feet. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 27. North wind around 7 mph.
Monday
Mostly sunny, with a high near 41. Northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 31. North wind around 6 mph.
Tuesday
Sunny, with a high near 46. East northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 32. Southeast wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A chance of showers before 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
New Year's Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 42.
Thursday Night
Rain likely, mainly before 10pm. Snow level 7300 feet. Mostly cloudy, with a low around 37.
Friday
Rain likely, mainly after 10am. Snow level 6500 feet. Mostly cloudy, with a high near 43.
Friday Night
Rain likely, possibly mixed with snow. Snow level 5700 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 34.
Saturday
Rain and snow likely. Snow level 4700 feet. Mostly cloudy, with a high near 40.
Saturday Night
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Snow level rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Yreka CA
 41.68°N 122.73°W (Elev. 4199 ft)
2:21 am PST Dec 29, 2025
3am 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