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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

86°F

30°C

Humidity 12%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Heat Index83°F (28°C)
Last update 18 Mar 03:52 PM PDT
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Tonight

    Tonight: Clear, with a low around 50. South wind around 6 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 62. South southwest wind 5 to 8 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. South southwest wind 5 to 7 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 60. Light and variable wind becoming west southwest around 6 mph in the morning.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. West northwest wind 6 to 8 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Saturday Night

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

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 50. South wind around 6 mph.
Thursday
Sunny, with a high near 62. South southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 54. South southwest wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 60. Light and variable wind becoming west southwest around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 46. West northwest wind 6 to 8 mph.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 56.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A chance of showers. Mostly cloudy, with a high near 56.
Tuesday Night
Showers likely. Snow level 8000 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 38.
Wednesday
A chance of showers. Snow level 5900 feet. Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.95°N 123.31°W (Elev. 4911 ft)
Last Update:
3:21 pm PDT Mar 18, 2026
Forecast Valid:
4pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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