Dangerous Heat and Heavy Rainfall into the Weekend
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.NA
64°F
18°C
| Humidity | 61% |
| Wind Speed | E 2 MPH |
| Barometer | NA |
| Dewpoint | 50°F (10°C) |
| Visibility | NA |
| Last update | 20 Sep 09:52 AM PDT |
Extended Forecast for
Illinois Valley OR
Today
High: 89 °F
Sunny
Tonight
Low: 50 °F
Partly Cloudy
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 45 °F
Partly Cloudy
Thursday
High: 82 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 89. Calm wind.
Tonight
Partly cloudy, with a low around 50. Calm wind.
Monday
Mostly sunny, with a high near 87. Calm wind.
Monday Night
Mostly clear, with a low around 47. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 46.
Friday
A slight chance of rain. Partly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 72.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Illinois Valley OR
42.09°N 123.68°W (Elev. 1394 ft)
42.09°N 123.68°W (Elev. 1394 ft)
10:40 am PDT Sep 20, 2026
10am PDT Sep 20, 2026-6pm PDT Sep 26, 2026
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