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

81°F

27°C

Humidity 15%
Wind Speed N 11 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Heat Index79°F (26°C)
Last update 17 Jun 08:52 PM PDT
Extended Forecast for

14 Miles NW Cave Junction OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. East wind 13 to 16 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 80. East wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 80 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 71. Light north northwest wind becoming west 6 to 11 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. West wind 6 to 11 mph becoming light north northwest after midnight.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. East wind 13 to 16 mph, with gusts as high as 22 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 80. East wind 5 to 10 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 71. Light north northwest wind becoming west 6 to 11 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 50. West wind 6 to 11 mph becoming light north northwest after midnight.
Saturday
Sunny, with a high near 70.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 75.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 80.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NW Cave Junction OR
 42.34°N 123.81°W (Elev. 3678 ft)
Last Update:
4:40 pm PDT Jun 17, 2026
Forecast Valid:
9pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation