Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

50°F

10°C

Humidity 52%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 10 Mar 06:52 PM PDT
Extended Forecast for

Illinois Valley OR

  • Tonight

    Tonight: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon.  Snow level 4400 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 58. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after 11pm.  Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 11am.  Mostly sunny, with a high near 63.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Calm wind.
Wednesday
A 20 percent chance of rain after noon. Snow level 4400 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 58. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 36. Calm wind.
Thursday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 62. Calm wind.
Thursday Night
A 30 percent chance of rain, mainly after 11pm. Partly cloudy, with a low around 37. Calm wind.
Friday
A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 63.
Friday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 61.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
4:41 pm PDT Mar 10, 2026
7pm PDT Mar 10, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database