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

43°F

6°C

Humidity 91%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 12 Mar 02:52 AM PDT
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Overnight

    Overnight: Partly cloudy, with a low around 36. Southwest wind around 11 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51. Southwest wind 3 to 8 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Light and variable wind becoming west southwest 5 to 7 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. West southwest wind around 6 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. West wind 5 to 8 mph becoming south southwest in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers. Snow level 7300 feet lowering to 6700 feet in the afternoon . Mostly cloudy, with a high near 44.

    High: 44 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. Southwest wind around 11 mph.
Thursday
Sunny, with a high near 51. Southwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 37. Light and variable wind becoming west southwest 5 to 7 mph after midnight.
Friday
Mostly sunny, with a high near 44. West southwest wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 39. West wind 5 to 8 mph becoming south southwest in the evening.
Saturday
A 20 percent chance of showers. Snow level 7300 feet lowering to 6700 feet in the afternoon . Mostly cloudy, with a high near 44.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.96°N 123.25°W (Elev. 5138 ft)
Last Update:
2:41 am PDT Mar 12, 2026
Forecast Valid:
3am PDT Mar 12, 2026-6pm PDT Mar 18, 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