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

29°F

-2°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 11 Mar 03:52 AM PDT
Extended Forecast for

7 Miles SW Illinois Valley OR

  • Today

    Today: A 10 percent chance of showers after 5pm.  Snow level 4900 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 54. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a slight chance of showers after 11pm.  Mostly cloudy, with a low around 40. Southwest wind 9 to 11 mph.  Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 8am.  Partly sunny, with a high near 53. West southwest wind 6 to 9 mph.

    High: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 11pm.  Mostly cloudy, with a low around 41. West wind 5 to 7 mph becoming light and variable  in the evening.

    Low: 41 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Partly sunny, with a high near 55. West wind 3 to 7 mph.

    High: 55 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am.  Mostly cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

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

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Snow level 4900 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 54. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A slight chance of showers before 8pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 40. Southwest wind 9 to 11 mph. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers, mainly after 8am. Partly sunny, with a high near 53. West southwest wind 6 to 9 mph.
Thursday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 41. West wind 5 to 7 mph becoming light and variable in the evening.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 55. West wind 3 to 7 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Illinois Valley OR
 42.03°N 123.78°W (Elev. 2428 ft)
3:21 am PDT Mar 11, 2026
4am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

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