National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

64°F

18°C

Humidity 34%
Wind Speed NNE 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 03 Oct 08:35 PM PDT
Extended Forecast for

Yreka CA

  • Tonight

    Tonight: Clear, with a low around 55. North wind 3 to 7 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 89 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.

    Low: 57 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 92. Calm wind.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 55. North wind 3 to 7 mph.
Sunday
Increasing clouds, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 92. Calm wind.
Monday Night
Clear, with a low around 56. Light and variable wind.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 55.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 46.
Saturday
A slight chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
Last Update:
7:02 pm PDT Oct 3, 2026
Forecast Valid:
8pm PDT Oct 3, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation