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

69°F

21°C

Humidity 43%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 18 Aug 10:52 PM PDT
Extended Forecast for

9 Miles NE Cave Junction OR

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. Calm wind.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Light and variable wind.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Friday Night

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

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Calm wind.
Wednesday
Sunny and hot, with a high near 96. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 56. Calm wind.
Thursday
Sunny and hot, with a high near 98. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 86.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NE Cave Junction OR
 42.27°N 123.55°W (Elev. 1417 ft)
11:26 pm PDT Aug 18, 2026
11pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database