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

Spring Weather Hazards Across the U.S. Thursday

Gusty winds and low relative humidity will bring critical fire weather to the central and southern Plains and south Texas Thursday. Widespread high winds will continue to impact the interior Northwest, northern Plains, and Upper Midwest Thursday. A storm tracking across the northern Plains, Great Lakes and into the Northeast U.S. will bring heavy snow and gusty winds Thursday into Saturday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

46°F

8°C

Humidity 79%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 12 Mar 01:52 AM PDT
Extended Forecast for

12 Miles W Happy Camp CA

  • Overnight

    Overnight: Partly cloudy, with a low around 37. West southwest wind around 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. West wind 5 to 8 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. West wind 5 to 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 11am. Snow level 5900 feet rising to 6700 feet in the afternoon. Mostly sunny, with a high near 44. West wind around 7 mph.

    High: 44 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 11pm. Snow level 6700 feet. Mostly cloudy, with a low around 39. West wind around 8 mph.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Snow level 7400 feet lowering to 6600 feet in the afternoon . Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. West southwest wind around 10 mph.
Thursday
Sunny, with a high near 50. West wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 37. West wind 5 to 7 mph.
Friday
A 20 percent chance of showers before 11am. Snow level 5900 feet rising to 6700 feet in the afternoon. Mostly sunny, with a high near 44. West wind around 7 mph.
Friday Night
A 50 percent chance of showers, mainly after 11pm. Snow level 6700 feet. Mostly cloudy, with a low around 39. West wind around 8 mph.
Saturday
A 50 percent chance of showers. Snow level 7400 feet lowering to 6600 feet in the afternoon . Mostly cloudy, with a high near 45.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
A slight chance of showers. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
Last Update:
2:41 am PDT Mar 12, 2026
Forecast Valid:
2am PDT Mar 12, 2026-6pm PDT Mar 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation