Critical Fire Weather Conditions Continue; Pacific Storm to Bring Heavy Snow to the Sierra-Nevada

Critical fire weather conditions are forecast for the Southern Plains and portions of Florida through Thursday, as gusty winds and dry conditions return to the region. A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast and central Great Basin, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

48°F

9°C

Humidity 97%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 21 Apr 09:52 AM PDT
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm.  High near 57. Light southwest wind.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 2am, then rain likely.  Snow level 4800 feet lowering to 4200 feet after midnight . Low around 37. Calm wind.  Chance of precipitation is 80%.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain likely.  Snow level 4400 feet. Mostly cloudy, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Snow level 4600 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 33. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. Light north wind.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 57. Light southwest wind. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm before 2am, then rain likely. Snow level 4800 feet lowering to 4200 feet after midnight . Low around 37. Calm wind. Chance of precipitation is 80%.
Wednesday
Rain likely. Snow level 4400 feet. Mostly cloudy, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 4600 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 33. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 67. Light north wind.
Thursday Night
Clear, with a low around 35.
Friday
Sunny, with a high near 74.
Friday Night
Clear, with a low around 38.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 39.
Monday
A slight chance of rain. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
10:41 am PDT Apr 21, 2026
10am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

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