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

37°F

3°C

Humidity 95%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 20 Mar 03:52 AM PDT
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Today

    Today: Mostly sunny, with a high near 62. West southwest wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 11am.  Snow level 8300 feet lowering to 7500 feet in the afternoon . Partly sunny, with a high near 51. North wind 5 to 11 mph.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. North wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Northeast wind around 11 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

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

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain.  Partly sunny, with a high near 57. Breezy.

    High: 57 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 62. West southwest wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Tonight
Mostly cloudy, with a low around 50. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Saturday
A 30 percent chance of rain, mainly before 11am. Snow level 8300 feet lowering to 7500 feet in the afternoon . Partly sunny, with a high near 51. North wind 5 to 11 mph.
Saturday Night
Mostly clear, with a low around 34. North wind 11 to 16 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 55. Northeast wind around 11 mph.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 57. Breezy.
Tuesday Night
A chance of rain before 2am, then a chance of rain and snow. Snow level 8300 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 45.
Wednesday
A chance of rain and snow. Snow level 7000 feet lowering to 6300 feet in the afternoon . Partly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.96°N 123.25°W (Elev. 5138 ft)
3:21 am PDT Mar 20, 2026
4am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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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