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

Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

55°F

13°C

Humidity 85%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 15 Aug 03:52 AM PDT
Extended Forecast for

8 Miles N Cave Junction OR

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 11pm. Increasing clouds, with a low around 61. West wind 5 to 8 mph becoming calm in the evening.

    Low: 61 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
A 20 percent chance of rain after 11pm. Increasing clouds, with a low around 61. West wind 5 to 8 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 84. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Cave Junction OR
 42.28°N 123.61°W (Elev. 1398 ft)
Last Update:
1:40 am PDT Aug 15, 2025
Forecast Valid:
4am PDT Aug 15, 2025-6pm PDT Aug 21, 2025
 
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