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

92°F

33°C

Humidity 23%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index89°F (32°C)
Last update 19 Aug 12:52 PM PDT
Extended Forecast for

5 Miles SE Illinois Valley OR

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 96. North wind around 6 mph becoming west.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 54. Southwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 54. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 89 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. North wind around 6 mph becoming west.
Tonight
Clear, with a low around 54. Southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 95. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 54. Southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 83.
Saturday Night
Clear, with a low around 46.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Illinois Valley OR
 42.03°N 123.63°W (Elev. 1998 ft)
12:26 pm PDT Aug 19, 2026
1pm PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

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