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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

67°F

19°C

Humidity 46%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 20 Mar 07:52 PM PDT
Extended Forecast for

12 Miles NE Happy Camp CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. North wind 5 to 8 mph becoming west in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 47. North wind 5 to 11 mph.

    High: 47 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. North northeast wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Northeast wind 5 to 9 mph becoming light east in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. North wind 5 to 8 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after 11pm. Snow level 8200 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. North wind 5 to 8 mph becoming west in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 47. North wind 5 to 11 mph.
Saturday Night
Mostly clear, with a low around 35. North northeast wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 53. Northeast wind 5 to 9 mph becoming light east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40. North wind 5 to 8 mph.
Monday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
A chance of rain, mainly after 11pm. Snow level 8200 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 39.
Wednesday
A slight chance of rain before 11am. Snow level 6800 feet lowering to 5800 feet in the afternoon . Partly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Happy Camp CA
 41.92°N 123.21°W (Elev. 5666 ft)
Last Update:
8:31 pm PDT Mar 20, 2026
Forecast Valid:
8pm PDT Mar 20, 2026-6pm PDT Mar 27, 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