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Record Temperatures Expected Across the Southern US; Fire Weather Concerns in the Central US

Unseasonably warm temperatures continue today across the southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Dry and gusty winds will produce elevated to critical fire weather in the central and southern Plains and elevated conditions over portions of the Desert Southwest on Friday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

36°F

2°C

Humidity 88%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 27 Mar 12:52 AM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Overnight

    Overnight: Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • Friday

    Friday: Widespread frost before 11am. Otherwise, sunny, with a high near 75. Calm wind.

    High: 75 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 58.

    High: 58 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Overnight
Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 33. Calm wind.
Friday
Widespread frost before 11am. Otherwise, sunny, with a high near 75. Calm wind.
Friday Night
Mostly clear, with a low around 37. Calm wind.
Saturday
Mostly sunny, with a high near 72. Calm wind.
Saturday Night
Partly cloudy, with a low around 41. Light and variable wind.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 38.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 58.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
Tuesday Night
Rain likely. Snow level 5400 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 37.
Wednesday
Rain. Snow level 4200 feet. Cloudy, with a high near 50.
Wednesday Night
Rain. Snow level 3900 feet lowering to 3200 feet after midnight . Cloudy, with a low around 33.
Thursday
Rain. Snow level 3200 feet. Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
Last Update:
12:36 am PDT Mar 27, 2026
Forecast Valid:
1am PDT Mar 27, 2026-6pm PDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation