Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

87°F

31°C

Humidity 31%
Wind Speed NE 7 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index85°F (29°C)
Last update 19 Aug 11:52 AM PDT
Extended Forecast for

7 Miles SSE Illinois Valley OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 94. North wind around 6 mph becoming west.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. Southwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 60. West southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 86 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 94. North wind around 6 mph becoming west.
Tonight
Clear, with a low around 60. Southwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Sunny, with a high near 92. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 60. West southwest wind 5 to 8 mph becoming calm after midnight.
Friday
Mostly cloudy, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 52.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Illinois Valley OR
 42.01°N 123.63°W (Elev. 1798 ft)
12:26 pm PDT Aug 19, 2026
12pm PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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