Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

31°F

-1°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 29 Jan 07:53 AM PST
Extended Forecast for

11 Miles NNW Yreka CA

  • Today

    Today: Partly sunny, with a high near 58. Light southeast wind.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Calm wind.

    Low: 37 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. Calm wind becoming southeast around 6 mph in the morning.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 10am.  Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 58.

    High: 58 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Partly sunny, with a high near 58. Light southeast wind.
Tonight
Increasing clouds, with a low around 37. Calm wind.
Friday
Partly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 36. Calm wind.
Saturday
Partly sunny, with a high near 63. Calm wind becoming southeast around 6 mph in the morning.
Saturday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 36.
Sunday
A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 59.
Sunday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 33.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Yreka CA
 41.86°N 122.75°W (Elev. 2001 ft)
3:41 am PST Jan 29, 2026
8am PST Jan 29, 2026-6pm PST Feb 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