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

60°F

16°C

Humidity 62%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 19 Aug 02:52 AM PDT
Extended Forecast for

9 Miles WNW Cave Junction OR

  • Overnight

    Overnight: Partly cloudy, with a low around 59. East northeast wind around 9 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. East wind 5 to 9 mph becoming west northwest in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60. Light and variable wind becoming east around 5 mph after midnight.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. East northeast wind around 9 mph.
Wednesday
Sunny, with a high near 82. East wind 5 to 9 mph becoming west northwest in the afternoon.
Wednesday Night
Clear, with a low around 60. Light and variable wind becoming east around 5 mph after midnight.
Thursday
Sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58. West wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 69.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Cave Junction OR
 42.23°N 123.81°W (Elev. 3648 ft)
1:36 am PDT Aug 19, 2026
3am PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database