Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

31°F

-1°C

Humidity 99%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 16 Apr 02:52 AM PDT
Extended Forecast for

11 Miles NNE Happy Camp CA

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

    NOW until 9:00am Thu

    Frost Advisory

  • Overnight

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 40. North northeast wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. Northeast wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. East northeast wind around 9 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. North wind 7 to 10 mph becoming south after midnight.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm.  Snow level 7600 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Snow level 6700 feet. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 23. North wind around 10 mph.
Thursday
Sunny, with a high near 40. North northeast wind 11 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 27. Northeast wind 8 to 15 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 54. East northeast wind around 9 mph.
Friday Night
Partly cloudy, with a low around 38. North wind 7 to 10 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Snow level 7600 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Snow level 6700 feet. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely before 5am, then rain and snow likely. Snow level 6200 feet lowering to 5500 feet. Mostly cloudy, with a low around 40.
Monday
Rain and snow likely, becoming all rain after 8am. Snow level 5000 feet rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 45.
Monday Night
Rain and snow likely. Snow level 5700 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 37.
Tuesday
Rain and snow showers likely. Some thunder is also possible. Snow level 5100 feet rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 44.
Tuesday Night
Rain and snow likely. Snow level 6000 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Snow level 5000 feet rising to 5800 feet in the afternoon. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.94°N 123.25°W (Elev. 4360 ft)
1:47 am PDT Apr 16, 2026
3am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database