
Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues
Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.NA
68°F
20°C
| Humidity | 46% |
| Wind Speed | NE 3 MPH |
| Barometer | NA |
| Dewpoint | 46°F (8°C) |
| Visibility | NA |
| Last update | 10 Aug 02:52 AM PDT |
Extended Forecast for
4 Miles SSE Illinois Valley OR
Overnight

Low: 50 °F
Clear
Monday

High: 91 °F
Sunny
Monday Night

Low: 50 °F
Mostly Clear
Tuesday

High: 89 °F
Sunny
Tuesday Night

Low: 50 °F
Mostly Clear
Wednesday

High: 86 °F
Sunny
Wednesday Night

Low: 48 °F
Clear
Thursday

High: 85 °F
Sunny
Thursday Night

Low: 49 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 50. North wind 3 to 5 mph.
Monday
Sunny, with a high near 91. Light north northeast wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 50. North northeast wind 6 to 13 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 89. North wind 6 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 50. Northeast wind 10 to 14 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 84.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSE Illinois Valley OR
42.03°N 123.66°W (Elev. 2480 ft)
42.03°N 123.66°W (Elev. 2480 ft)
2:51 am PDT Aug 10, 2026
3am PDT Aug 10, 2026-6pm PDT Aug 16, 2026


