Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

45°F

7°C

Humidity 88%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 23 Mar 08:52 AM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Today

    Today: A 20 percent chance of rain after 4pm.  Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 2am.  Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am.  Partly sunny, with a high near 66. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.

    High: 66 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 40. Southwest wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 57. Calm wind becoming west northwest around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Snow level 4700 feet lowering to 2700 feet after midnight . Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of rain after 4pm. Mostly sunny, with a high near 68. Light and variable wind.
Tonight
A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 44. Calm wind.
Tuesday
A 40 percent chance of rain, mainly after 11am. Partly sunny, with a high near 66. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Rain. Low around 40. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 57. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 4700 feet lowering to 2700 feet after midnight . Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
A slight chance of rain. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
4:41 am PDT Mar 23, 2026
9am PDT Mar 23, 2026-6pm PDT Mar 29, 2026
 
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Additional Resources

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