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

79°F

26°C

Humidity 25%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index78°F (26°C)
Last update 18 Mar 01:52 PM PDT
Extended Forecast for

16 Miles NE Happy Camp CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Southwest wind around 5 mph becoming calm.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 73. South wind 6 to 8 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Southwest wind around 6 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Southwest wind around 5 mph becoming calm.
Tonight
Clear, with a low around 55. Calm wind becoming south 5 to 7 mph after midnight.
Thursday
Sunny, with a high near 73. South wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 58. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 70. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 63.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Mostly cloudy, with a high near 63.
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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:
2:01 pm PDT Mar 18, 2026
Forecast Valid:
2pm PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation