Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies 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 98%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 24 Mar 11:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: Rain likely, mainly before 4am.  Snow level 8600 feet lowering to 7000 feet. Cloudy, with a low around 38. Southwest wind around 10 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain and snow before 4pm, then a chance of snow between 4pm and 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 42. West wind 9 to 18 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Blustery, with a northeast wind 18 to 22 mph.

    Low: 29 °F

    Partly Cloudy
    then Mostly
    Clear and
    Blustery

  • Thursday

    Thursday: Sunny, with a high near 52. Breezy, with a northeast wind 23 to 26 mph, with gusts as high as 30 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Breezy, with an east northeast wind 22 to 25 mph, with gusts as high as 28 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 63. Breezy.

    High: 63 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely, mainly before 4am. Snow level 8600 feet lowering to 7000 feet. Cloudy, with a low around 38. Southwest wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain and snow before 4pm, then a chance of snow between 4pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. West wind 9 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 29. Blustery, with a northeast wind 18 to 22 mph.
Thursday
Sunny, with a high near 52. Breezy, with a northeast wind 23 to 26 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 41. Breezy, with an east northeast wind 22 to 25 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 63. Breezy.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A slight chance of rain after 11am. Snow level 6400 feet. Partly sunny, with a high near 58.
Sunday Night
A chance of rain. Snow level 6500 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 44.
Monday
Rain likely. Snow level 5400 feet. Mostly cloudy, with a high near 46.
Monday Night
Rain likely. Snow level 5200 feet lowering to 4700 feet after midnight . Mostly cloudy, with a low around 40.
Tuesday
Rain likely. Snow level 4600 feet. Mostly cloudy, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
12:00 am PDT Mar 25, 2026
12am PDT Mar 25, 2026-6pm PDT Mar 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database