Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Clear

30°F

-1°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 29 Jan 11:15 PM PST
Extended Forecast for

Yreka CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind.

    High: 58 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 59. Light east southeast wind.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. South southeast wind 3 to 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain.  Snow level 5800 feet. Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 54.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind.
Friday Night
Increasing clouds, with a low around 33. Calm wind.
Saturday
Partly sunny, with a high near 59. Light east southeast wind.
Saturday Night
Mostly cloudy, with a low around 35. South southeast wind 3 to 5 mph.
Sunday
A 20 percent chance of rain. Snow level 5800 feet. Partly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 30.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
9:41 pm PST Jan 29, 2026
11pm PST Jan 29, 2026-6pm PST Feb 5, 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