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Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

54°F

12°C

Humidity 46%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 15 Apr 04:52 PM PDT
Extended Forecast for

14 Miles SE Agness OR

Freeze Watch April 17, 03:00am until April 17, 09:00am
Frost Advisory April 16, 03:00am until April 16, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Tonight

    Tonight: A chance of snow before 1am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 32. West northwest wind 6 to 11 mph becoming light in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 49. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. East northeast wind 6 to 8 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 60. East wind 3 to 6 mph.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely. Snow level 5300 feet. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
A chance of snow before 1am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 32. West northwest wind 6 to 11 mph becoming light in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 49. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 35. East northeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 60. East wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 61.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 54.
Sunday Night
Rain likely. Snow level 5300 feet. Mostly cloudy, with a low around 46.
Monday
Rain likely. Snow level 5100 feet. Mostly cloudy, with a high near 56.
Monday Night
A chance of rain. Snow level 5300 feet. Mostly cloudy, with a low around 47.
Tuesday
Rain likely. Snow level 5000 feet rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 54.
Tuesday Night
A chance of rain. Snow level 5700 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Snow level 5000 feet. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Agness OR
 42.42°N 123.87°W (Elev. 2461 ft)
Last Update:
4:41 pm PDT Apr 15, 2026
Forecast Valid:
5pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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