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

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

92°F

33°C

Humidity 20%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index88°F (31°C)
Last update 05 Oct 05:52 PM PDT
Extended Forecast for

14 Miles NW Cave Junction OR

  • Tonight

    Tonight: Clear, with a low around 59. Calm wind becoming east northeast 5 to 9 mph in the evening.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. East wind 5 to 8 mph becoming calm  in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59. Calm wind becoming east northeast 5 to 9 mph in the evening.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. East wind 5 to 9 mph becoming calm  in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. Light north wind becoming northeast 5 to 10 mph in the evening.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 59. Calm wind becoming east northeast 5 to 9 mph in the evening.
Tuesday
Sunny, with a high near 78. East wind 5 to 8 mph becoming calm in the afternoon.
Tuesday Night
Clear, with a low around 59. Calm wind becoming east northeast 5 to 9 mph in the evening.
Wednesday
Sunny, with a high near 80. East wind 5 to 9 mph becoming calm in the afternoon.
Wednesday Night
Clear, with a low around 59. Light north wind becoming northeast 5 to 10 mph in the evening.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 44.
Columbus Day
Sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NW Cave Junction OR
 42.29°N 123.83°W (Elev. 3757 ft)
4:40 pm PDT Oct 5, 2026
6pm PDT Oct 5, 2026-6pm PDT Oct 12, 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