October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

90°F

32°C

Humidity 17%
Wind Speed WNW 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 06 Oct 03:35 PM PDT
Extended Forecast for

Yreka CA

  • Tonight

    Tonight: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Thursday

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

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 55. Calm wind.
Wednesday
Sunny, with a high near 93. Calm wind.
Wednesday Night
Clear, with a low around 54. Calm wind.
Thursday
Sunny, with a high near 92. Calm wind.
Thursday Night
Clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 34.
Columbus Day
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
3:06 pm PDT Oct 6, 2026
3pm PDT Oct 6, 2026-6pm PDT Oct 13, 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