Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

39°F

4°C

Humidity 75%
Wind Speed NW 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 31 Jan 10:35 AM PST
Extended Forecast for

Yreka CA

  • Today

    Today: Partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Light northwest wind.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 57. Calm wind.
Tonight
Mostly cloudy, with a low around 33. Light and variable wind.
Sunday
Mostly sunny, with a high near 56. Light northwest wind.
Sunday Night
Mostly clear, with a low around 30. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
10:37 am PST Jan 31, 2026
10am PST Jan 31, 2026-6pm PST Feb 6, 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