National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

82°F

28°C

Humidity 28%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index80°F (27°C)
Last update 16 Jun 08:52 PM PDT
Extended Forecast for

4 Miles NNW Cave Junction OR

Heat Advisory June 16, 09:09pm until June 16, 11:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory June 16, 09:09pm until June 16, 11:00pm

    NOW until 11:00pm Tue

    Heat Advisory

  • Tonight

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. North northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. North wind 7 to 11 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 93. North wind around 6 mph becoming calm in the morning.

    High: 93 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 53. North northeast wind 7 to 9 mph.
Wednesday
Sunny, with a high near 87. North northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 55. North wind 7 to 11 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 93. North wind around 6 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 57. West northwest wind 5 to 7 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 89.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny, with a high near 89.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Cave Junction OR
 42.22°N 123.69°W (Elev. 2182 ft)
Last Update:
4:40 pm PDT Jun 16, 2026
Forecast Valid:
9pm PDT Jun 16, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation