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Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

48°F

9°C

Humidity 51%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 15 Apr 06:52 PM PDT
Extended Forecast for

16 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 rain before 1am, then a slight chance of rain and snow after 5am. Snow level 2600 feet lowering to 1900 feet after midnight . Mostly cloudy, with a low around 34. West northwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. East northeast wind around 7 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65. East northeast wind 5 to 7 mph.

    High: 65 °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 67.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
A chance of rain before 1am, then a slight chance of rain and snow after 5am. Snow level 2600 feet lowering to 1900 feet after midnight . Mostly cloudy, with a low around 34. West northwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 54. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 35. East northeast wind around 7 mph.
Friday
Mostly sunny, with a high near 65. East northeast wind 5 to 7 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 67.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49.
Sunday
Rain likely. Mostly cloudy, with a high near 59.
Sunday Night
Rain likely. Mostly cloudy, with a low around 47.
Monday
Rain likely. Mostly cloudy, with a high near 61.
Monday Night
A chance of rain. Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Mostly cloudy, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.38°N 123.82°W (Elev. 1316 ft)
Last Update:
4:41 pm PDT Apr 15, 2026
Forecast Valid:
7pm PDT Apr 15, 2026-6pm PDT Apr 22, 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