Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

54°F

12°C

Humidity 82%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 03 Sep 10:52 PM PDT
Extended Forecast for

13 Miles ESE Illinois Valley OR

  • Tonight

    Tonight: Showers likely, mainly after 5am.  Snow level 6700 feet. Mostly cloudy, with a steady temperature around 43. South wind around 10 mph.  Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm.  Snow level 6900 feet rising to 7500 feet in the afternoon. Mostly cloudy, with a high near 48. South wind around 9 mph becoming west southwest in the afternoon.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. West wind around 6 mph becoming calm.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. Southeast wind 5 to 7 mph becoming west in the afternoon.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. West northwest wind 5 to 8 mph becoming light and variable.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers.  Snow level 7900 feet. Partly sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm.  Snow level 7900 feet. Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Snow level 6700 feet. Mostly cloudy, with a steady temperature around 43. South wind around 10 mph. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Snow level 6900 feet rising to 7500 feet in the afternoon. Mostly cloudy, with a high near 48. South wind around 9 mph becoming west southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 42. West wind around 6 mph becoming calm.
Saturday
Sunny, with a high near 58. Southeast wind 5 to 7 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. West northwest wind 5 to 8 mph becoming light and variable.
Sunday
A 50 percent chance of showers. Snow level 7900 feet. Partly sunny, with a high near 54.
Sunday Night
A 20 percent chance of showers before 11pm. Snow level 7900 feet. Partly cloudy, with a low around 44.
Labor Day
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A slight chance of rain. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Illinois Valley OR
 42.02°N 123.45°W (Elev. 5144 ft)
11:47 pm PDT Sep 3, 2026
11pm PDT Sep 3, 2026-6pm PDT Sep 10, 2026
 
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