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

97°F

36°C

Humidity 13%
Wind Speed NNE 9 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index92°F (33°C)
Last update 16 Jun 03:52 PM PDT
Extended Forecast for

8 Miles E Cave Junction OR

Heat Advisory June 16, 04:02pm until June 16, 11:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory June 16, 04:02pm until June 16, 11:00pm

    NOW until 11:00pm Tue

    Heat Advisory

  • Tonight

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. North northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. East northeast wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 87. East northeast wind around 6 mph becoming west in the morning.

    High: 87 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Northwest wind 3 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    T-storms then
    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 76.

    High: 76 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Northeast wind 8 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 83. North northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 56. East northeast wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 87. East northeast wind around 6 mph becoming west in the morning.
Thursday Night
Mostly clear, with a low around 59. Northwest wind 3 to 8 mph.
Juneteenth
A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 83.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Cave Junction OR
 42.15°N 123.49°W (Elev. 3533 ft)
Last Update:
12:56 pm PDT Jun 16, 2026
Forecast Valid:
4pm PDT Jun 16, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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