Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

42°F

6°C

Humidity 88%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 15 Jun 05:52 AM PDT
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Sunny, with a high near 86. North northeast wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. North northeast wind 5 to 8 mph becoming light and variable in the afternoon.
Tonight
Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 47. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 48.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 46.
Juneteenth
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 69.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
4:40 am PDT Jun 15, 2025
6am PDT Jun 15, 2025-6pm PDT Jun 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database