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

33°F

1°C

Humidity 97%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 10 Mar 11:52 PM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Overnight

    Overnight: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers between 3pm and 4pm.  Snow level 4400 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 59. Calm wind becoming southwest around 5 mph.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of rain.  Mostly sunny, with a high near 62.

    High: 62 °F

    Slight 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 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 33. Calm wind.
Wednesday
A 20 percent chance of showers between 3pm and 4pm. Snow level 4400 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 59. Calm wind becoming southwest around 5 mph.
Wednesday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 38. Calm wind.
Thursday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 61. Calm wind.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38. Light and variable wind.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 62.
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 38.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
10:41 pm PDT Mar 10, 2026
12am PDT Mar 11, 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