Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

89°F

32°C

Humidity 30%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index87°F (31°C)
Last update 09 Sep 01:52 PM PDT
Extended Forecast for

2 Miles N Cave Junction OR

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 98. Calm wind.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 56. West northwest wind 5 to 8 mph becoming light and variable.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94. North wind around 5 mph becoming calm.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. North wind 3 to 7 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. North wind 5 to 7 mph becoming calm.

    High: 83 °F

    Sunny

  • Friday Night

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

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain, then showers likely and possibly a thunderstorm after 11am.  Partly sunny, with a high near 63. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 11pm.  Partly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Calm wind.
Tonight
Clear, with a low around 56. West northwest wind 5 to 8 mph becoming light and variable.
Thursday
Sunny, with a high near 94. North wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 51. North wind 3 to 7 mph.
Friday
Sunny, with a high near 83. North wind 5 to 7 mph becoming calm.
Friday Night
Mostly clear, with a low around 47.
Saturday
A slight chance of rain, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 63. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of rain before 11pm. Partly cloudy, with a low around 44.
Sunday
Sunny, with a high near 72.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 79.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Cave Junction OR
 42.19°N 123.65°W (Elev. 1398 ft)
2:01 pm PDT Sep 9, 2026
2pm PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database