Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

49°F

9°C

Humidity 76%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 29 Mar 12:52 AM PDT
Extended Forecast for

Illinois Valley OR

  • Overnight

    Overnight: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain.  Snow level 3700 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 63. Light north wind.

    High: 63 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 11am.  Partly sunny, with a high near 63.

    High: 63 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm.  Snow level 4600 feet. Mostly cloudy, with a low around 40. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain.  Cloudy, with a high near 51.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Snow level 4600 feet lowering to 3100 feet after midnight . Cloudy, with a low around 33.

    Low: 33 °F

    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. Calm wind.
Sunday
Mostly sunny, with a high near 68. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 36. Calm wind.
Monday
A 20 percent chance of rain. Snow level 3700 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 63. Light north wind.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 39. Light and variable wind.
Tuesday
A 30 percent chance of rain after 11am. Partly sunny, with a high near 63.
Tuesday Night
Rain likely, mainly after 11pm. Snow level 4600 feet. Mostly cloudy, with a low around 40. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Cloudy, with a high near 51.
Wednesday Night
Rain. Snow level 4600 feet lowering to 3100 feet after midnight . Cloudy, with a low around 33.
Thursday
Rain. Snow level 2900 feet rising to 3500 feet in the afternoon. Mostly cloudy, with a high near 52.
Thursday Night
A chance of rain. Snow level 3800 feet lowering to 3100 feet after midnight . Partly cloudy, with a low around 29.
Friday
Sunny, with a high near 65.
Friday Night
Clear, with a low around 34.
Saturday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
11:26 pm PDT Mar 28, 2026
1am PDT Mar 29, 2026-6pm PDT Apr 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database