Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. 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

66°F

19°C

Humidity 58%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 17 Aug 11:52 PM PDT
Extended Forecast for

2 Miles ENE Cave Junction OR

  • Overnight

    Overnight: Partly cloudy, with a low around 54. North northeast wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. North northeast wind around 7 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. North northeast wind 3 to 5 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. North wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. North northeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. North northeast wind around 7 mph.
Wednesday
Sunny, with a high near 87. North northeast wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Cave Junction OR
 42.17°N 123.61°W (Elev. 2257 ft)
11:26 pm PDT Aug 17, 2026
12am PDT Aug 18, 2026-6pm PDT Aug 24, 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