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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

94°F

34°C

Humidity 15%
Wind Speed NNE 12 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index90°F (32°C)
Last update 17 Jun 04:52 PM PDT
Extended Forecast for

15 Miles SSE Agness OR

  • Tonight

    Tonight: Increasing clouds, with a low around 59. East wind 17 to 20 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. East wind 6 to 14 mph becoming west in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West wind 5 to 10 mph becoming light west northwest in the evening.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 66. Light north northwest wind becoming west 6 to 11 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Friday Night

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

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 59. East wind 17 to 20 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. East wind 6 to 14 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 55. West wind 5 to 10 mph becoming light west northwest in the evening.
Juneteenth
Mostly sunny, with a high near 66. 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 north northwest after midnight.
Saturday
Sunny, with a high near 67.
Saturday Night
Clear, with a low around 49.
Sunday
Sunny, with a high near 72.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Agness OR
 42.36°N 123.94°W (Elev. 3681 ft)
Last Update:
4:40 pm PDT Jun 17, 2026
Forecast Valid:
5pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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