



Hot in Parts of the West; Cold Blast Coming to the Central U.S.
Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.NA
57°F
14°C
Humidity | 63% |
Wind Speed | WNW 0 MPH |
Barometer | NA |
Dewpoint | 44°F (7°C) |
Visibility | NA |
Last update | 01 Sep 11:52 PM PDT |
Extended Forecast for
17 Miles WNW Illinois Valley OR
Overnight
Low: 60 °F
Areas Smoke
Tuesday
High: 77 °F
Areas Smoke
then SunnyTuesday Night
Low: 66 °F
Partly Cloudy
Wednesday
High: 76 °F
Mostly Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
Thursday
High: 73 °F
Mostly Sunny
Thursday Night
Low: 60 °F
Partly Cloudy
Friday
High: 69 °F
Mostly Sunny
Friday Night
Low: 58 °F
Partly Cloudy
Detailed Forecast
Overnight
Areas of smoke before 5am. Clear, with a low around 60. East southeast wind 7 to 11 mph.
Tuesday
Areas of smoke between 8am and 11am. Sunny, with a high near 77. East southeast wind 5 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 66. West wind around 6 mph becoming north northeast in the evening.
Wednesday
Mostly sunny, with a high near 76. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 64. West wind 5 to 10 mph becoming northeast after midnight.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Monday
A chance of showers. Partly sunny, with a high near 60.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
17 Miles WNW Illinois Valley OR
42.18°N 123.98°W (Elev. 4344 ft)
42.18°N 123.98°W (Elev. 4344 ft)
10:41 pm PDT Sep 1, 2025
12am PDT Sep 2, 2025-6pm PDT Sep 8, 2025