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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

67°F

19°C

Humidity 34%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 18 Jun 03:52 AM PDT
Extended Forecast for

17 Miles ESE Cave Junction OR

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 74. West wind 3 to 6 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Northwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 70. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 74. West wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 53. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 70. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 46.
Sunday
Sunny, with a high near 74.
Sunday Night
Clear, with a low around 50.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Cave Junction OR
 42.06°N 123.34°W (Elev. 4767 ft)
Last Update:
1:46 am PDT Jun 18, 2026
Forecast Valid:
4am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation