Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

59°F

15°C

Humidity 65%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 07 Mar 10:52 AM PST
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Sunny, with a high near 67. North northeast wind around 6 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Patchy dense fog after 11pm.  Otherwise, clear, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 10pm.  Patchy fog after 10pm.  Otherwise, increasing clouds, with a low around 39. Calm wind.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 30 percent chance of rain before 10am.  Snow level 4200 feet. Partly sunny, with a high near 57. Calm wind becoming north around 6 mph in the afternoon.

    High: 57 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain.  Snow level 4000 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 67. North northeast wind around 6 mph.
Tonight
Patchy dense fog after 11pm. Otherwise, clear, with a low around 40. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.
Sunday Night
A 30 percent chance of rain after 10pm. Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 39. Calm wind.
Monday
A 30 percent chance of rain before 10am. Snow level 4200 feet. Partly sunny, with a high near 57. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
A slight chance of rain. Snow level 4000 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 63.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Partly sunny, with a high near 64.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Friday
A chance of rain and snow. Snow level 4200 feet rising to 5000 feet in the afternoon. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
9:42 am PST Mar 7, 2026
11am PST Mar 7, 2026-6pm PDT Mar 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database