Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

83°F

28°C

Humidity 37%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index82°F (28°C)
Last update 17 Aug 01:52 PM PDT
Extended Forecast for

5 Miles ESE Cave Junction OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. West northwest wind 3 to 5 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92. Light north northeast wind.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. West northwest wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56. North wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 92. Light north northeast wind.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Cave Junction OR
 42.16°N 123.55°W (Elev. 1657 ft)
12:51 pm PDT Aug 17, 2026
2pm PDT Aug 17, 2026-6pm PDT Aug 23, 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