Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

62°F

17°C

Humidity 50%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 19 May 11:52 PM PDT
Extended Forecast for

5 Miles NNW Cave Junction OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Northeast wind around 8 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72. Northeast wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Northeast wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Northeast wind around 9 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. North northeast wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

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

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Northeast wind around 8 mph.
Wednesday
Sunny, with a high near 72. Northeast wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 45. Northeast wind 7 to 15 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 81. Northeast wind around 9 mph.
Thursday Night
Clear, with a low around 50. North northeast wind 7 to 14 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 50.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 47.
Memorial Day
Mostly sunny, with a high near 68.
Monday Night
A chance of rain. Snow level 7600 feet lowering to 5100 feet after midnight . Partly cloudy, with a low around 40.
Tuesday
A slight chance of rain. Snow level 4800 feet rising to 5900 feet in the afternoon. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.67°W (Elev. 3409 ft)
11:41 pm PDT May 19, 2026
12am PDT May 20, 2026-6pm PDT May 26, 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