Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest
Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.NA
97°F
36°C
| Humidity | 16% |
| Wind Speed | ENE 5 MPH |
| Barometer | NA |
| Dewpoint | 44°F (7°C) |
| Visibility | NA |
| Heat Index | 93°F (34°C) |
| Last update | 18 Aug 03:52 PM PDT |
Extended Forecast for
17 Miles WNW Illinois Valley OR
Tonight
Low: 62 °F
Increasing
CloudsWednesday
High: 78 °F
Becoming
SunnyWednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 69 °F
Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
Friday
High: 63 °F
Mostly Sunny
Friday Night
Low: 50 °F
Mostly Clear
Saturday
High: 66 °F
Sunny
Saturday Night
Low: 54 °F
Clear
Detailed Forecast
Tonight
Increasing clouds, with a low around 62. North wind around 10 mph becoming east in the evening.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 78. East wind 5 to 8 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. West wind around 6 mph becoming light and variable.
Thursday
Sunny, with a high near 69. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54. West southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 66.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
17 Miles WNW Illinois Valley OR
42.2°N 123.98°W (Elev. 3786 ft)
42.2°N 123.98°W (Elev. 3786 ft)
4:40 pm PDT Aug 18, 2026
4pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
Additional Resources
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