Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

59°F

15°C

Humidity 58%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Apr 04:52 PM PDT
Extended Forecast for

3 Miles SSW Illinois Valley OR

  • This Afternoon

    This Afternoon: Rain likely.  Mostly cloudy, with a steady temperature around 55. South southwest wind around 6 mph.  Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 3am.  Low around 39. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm before 1pm, then showers and possibly a thunderstorm, mainly after 1pm.  High near 56. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm.  Low around 37. Calm wind becoming south southwest around 5 mph after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely.  Snow level 4500 feet. Mostly cloudy, with a high near 54. Southwest wind around 6 mph becoming calm.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Snow level 4800 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Rain likely. Mostly cloudy, with a steady temperature around 55. South southwest wind around 6 mph. Chance of precipitation is 60%.
Tonight
Rain, mainly before 3am. Low around 39. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain and possibly a thunderstorm before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. High near 56. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain, mainly before 11pm. Low around 37. Calm wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely. Snow level 4500 feet. Mostly cloudy, with a high near 54. Southwest wind around 6 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 4800 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 34.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 36.
Friday
Sunny, with a high near 74.
Friday Night
Clear, with a low around 39.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 40.
Sunday
A slight chance of rain. Mostly sunny, with a high near 69.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Monday
A slight chance of rain. Mostly sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Illinois Valley OR
 42.07°N 123.7°W (Elev. 1512 ft)
4:41 pm PDT Apr 20, 2026
5pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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