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

62°F

17°C

Humidity 67%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 19 Aug 07:52 AM PDT
Extended Forecast for

9 Miles WNW Cave Junction OR

  • Today

    Today: Sunny, with a high near 81. East wind 5 to 7 mph becoming light and variable.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. Northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Friday Night

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

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. East wind 5 to 7 mph becoming light and variable.
Tonight
Clear, with a low around 58. Northwest wind around 5 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. West wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 73. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 69.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Cave Junction OR
 42.23°N 123.78°W (Elev. 3399 ft)
4:40 am PDT Aug 19, 2026
8am PDT Aug 19, 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