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

73°F

23°C

Humidity 25%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 28 Mar 05:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 43. West southwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 53. Light and variable wind becoming west southwest 5 to 10 mph in the morning.

    High: 53 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. West wind 5 to 8 mph becoming east after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain, mixing with snow after 8am, then gradually ending.  Snow level 4800 feet. Partly sunny, with a high near 50. East northeast wind 6 to 11 mph becoming light east  in the afternoon.  Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. West wind 6 to 10 mph becoming east southeast in the evening.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain before 8pm, then rain and snow likely.  Mostly cloudy, with a low around 39. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain.  Snow level 4600 feet. Cloudy, with a high near 42.

    High: 42 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow.  Cloudy, with a low around 36.

    Low: 36 °F

    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. West southwest wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Partly sunny, with a high near 53. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 35. West wind 5 to 8 mph becoming east after midnight.
Monday
A slight chance of rain, mixing with snow after 8am, then gradually ending. Snow level 4800 feet. Partly sunny, with a high near 50. East northeast wind 6 to 11 mph becoming light east in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 39. West wind 6 to 10 mph becoming east southeast in the evening.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
A chance of rain before 8pm, then rain and snow likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Rain. Snow level 4600 feet. Cloudy, with a high near 42.
Wednesday Night
Rain and snow. Cloudy, with a low around 36.
Thursday
Rain and snow. Cloudy, with a high near 39.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Mostly sunny, with a high near 51.
Friday Night
Clear, with a low around 38.
Saturday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
4:40 pm PDT Mar 28, 2026
6pm PDT Mar 28, 2026-6pm PDT Apr 4, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database