National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

68°F

20°C

Humidity 47%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 15 Oct 02:52 PM PDT
Extended Forecast for

15 Miles NE Happy Camp CA

  • Tonight

    Tonight: Mostly clear, with a low around 38. North wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53. North wind around 6 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Northeast wind 6 to 9 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 56. North wind 6 to 8 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 43. North wind 6 to 10 mph becoming east southeast after midnight.

    Low: 43 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain likely, mainly before 11am. Snow level 9500 feet lowering to 6600 feet in the afternoon . Partly sunny, with a high near 45.

    High: 45 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 11pm. Snow level 6300 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 38. North wind around 6 mph.
Thursday
Sunny, with a high near 53. North wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 42. Northeast wind 6 to 9 mph.
Friday
Sunny, with a high near 56. North wind 6 to 8 mph.
Friday Night
Clear, with a low around 43. North wind 6 to 10 mph becoming east southeast after midnight.
Saturday
Sunny, with a high near 61.
Saturday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 42.
Sunday
Rain likely, mainly before 11am. Snow level 9500 feet lowering to 6600 feet in the afternoon . Partly sunny, with a high near 45.
Sunday Night
A chance of rain, mainly before 11pm. Snow level 6300 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Happy Camp CA
 41.93°N 123.15°W (Elev. 4600 ft)
Last Update:
2:18 pm PDT Oct 15, 2025
Forecast Valid:
3pm PDT Oct 15, 2025-6pm PDT Oct 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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