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 100%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 25 Mar 02:52 AM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Overnight

    Overnight: A 40 percent chance of rain.  Cloudy, with a steady temperature around 48. Calm wind.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: A 10 percent chance of rain before 7am.  Snow level 6100 feet lowering to 4200 feet in the afternoon . Cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming west around 6 mph in the afternoon.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly after 2am.  Otherwise, mostly cloudy, with a low around 28. North wind around 5 mph becoming calm  in the evening.

    Low: 28 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 11am.  Otherwise, sunny, with a high near 63. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 63 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 2am.  Otherwise, mostly clear, with a low around 33. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 33 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 73.

    High: 73 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of rain. Cloudy, with a steady temperature around 48. Calm wind.
Wednesday
A 10 percent chance of rain before 7am. Snow level 6100 feet lowering to 4200 feet in the afternoon . Cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Widespread frost, mainly after 2am. Otherwise, mostly cloudy, with a low around 28. North wind around 5 mph becoming calm in the evening.
Thursday
Widespread frost before 11am. Otherwise, sunny, with a high near 63. Calm wind becoming north northeast around 6 mph in the afternoon.
Thursday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 33. North northeast wind around 6 mph becoming calm in the evening.
Friday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 69.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 57.
Monday Night
Rain likely. Mostly cloudy, with a low around 37.
Tuesday
Rain likely. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
2:42 am PDT Mar 25, 2026
3am 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