
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
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.NA
48°F
9°C
| Humidity | 87% |
| Wind Speed | SSW 0 MPH |
| Barometer | NA |
| Dewpoint | 44°F (7°C) |
| Visibility | NA |
| Last update | 04 Oct 02:52 AM PDT |
Extended Forecast for
5 Miles SE Illinois Valley OR
Overnight

Low: 58 °F
Clear
Sunday

High: 94 °F
Partly Sunny
Sunday Night

Low: 56 °F
Gradual
ClearingMonday

High: 94 °F
Sunny
Monday Night

Low: 52 °F
Clear
Tuesday

High: 93 °F
Sunny
Tuesday Night

Low: 52 °F
Clear
Wednesday

High: 93 °F
Sunny
Wednesday Night

Low: 51 °F
Clear
Detailed Forecast
Overnight
Clear, with a steady temperature around 58. Light west southwest wind.
Sunday
Partly sunny, with a high near 94. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 56. South southwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 94. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 52. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 51.
Thursday
Sunny, with a high near 93.
Thursday Night
Clear, with a low around 51.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 40.
Saturday
A slight chance of rain. Sunny, with a high near 68.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SE Illinois Valley OR
42.03°N 123.63°W (Elev. 1998 ft)
42.03°N 123.63°W (Elev. 1998 ft)
12:41 am PDT Oct 4, 2026
3am PDT Oct 4, 2026-6pm PDT Oct 10, 2026


