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

49°F

9°C

Humidity 70%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 11 Mar 10:52 PM PDT
Extended Forecast for

16 Miles NE Happy Camp CA

  • Tonight

    Tonight: Partly cloudy, with a low around 39. North wind around 5 mph becoming calm after midnight.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. North northeast wind around 5 mph becoming calm.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 59. West wind 3 to 8 mph.

    High: 59 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 44. West northwest wind 6 to 10 mph.

    Low: 44 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Snow level 7100 feet lowering to 6000 feet after midnight . Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Sunday Night

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

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. North wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 57. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 41. North northeast wind around 5 mph becoming calm.
Friday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 59. West wind 3 to 8 mph.
Friday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 44. West northwest wind 6 to 10 mph.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of rain before 11pm. Snow level 7100 feet lowering to 6000 feet after midnight . Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NE Happy Camp CA
 41.97°N 123.17°W (Elev. 2999 ft)
Last Update:
10:41 pm PDT Mar 11, 2026
Forecast Valid:
11pm PDT Mar 11, 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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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation