Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

62°F

17°C

Humidity 63%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 18 Oct 11:52 AM PDT
Extended Forecast for

3 Miles SSW Illinois Valley OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Calm wind becoming west southwest 5 to 7 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. South southwest wind around 6 mph becoming calm  after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Calm wind becoming west southwest 5 to 7 mph.
Tonight
Increasing clouds, with a low around 35. South southwest wind around 6 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 66. Calm wind.
Monday Night
Mostly cloudy, with a low around 35. Calm wind.
Tuesday
Mostly sunny, with a high near 73. Calm wind.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 28.
Saturday
A chance of rain. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Illinois Valley OR
 42.07°N 123.7°W (Elev. 1512 ft)
11:26 am PDT Oct 18, 2026
12pm PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database