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

69°F

21°C

Humidity 29%
Wind Speed NNE 8 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 18 Jun 02:52 AM PDT
Extended Forecast for

11 Miles WNW Cave Junction OR

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 61. East northeast wind 11 to 13 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 79. East northeast wind 5 to 10 mph becoming light and variable.

    High: 79 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. West northwest wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 69. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. West wind 5 to 8 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 61. East northeast wind 11 to 13 mph, with gusts as high as 18 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 79. East northeast wind 5 to 10 mph becoming light and variable.
Thursday Night
Mostly clear, with a low around 53. West northwest wind around 5 mph becoming calm after midnight.
Juneteenth
Mostly sunny, with a high near 69. Calm wind becoming west 5 to 9 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 50. West wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 69.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 76.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Cave Junction OR
 42.22°N 123.84°W (Elev. 3320 ft)
Last Update:
1:46 am PDT Jun 18, 2026
Forecast Valid:
3am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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