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

61°F

16°C

Humidity 64%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 21 Mar 01:52 AM PDT
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Overnight

    Overnight: A 10 percent chance of rain after 5am.  Mostly cloudy, with a low around 48. Northwest wind around 6 mph.

    Low: 48 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain between 7am and 8am.  Snow level 8200 feet lowering to 6500 feet in the afternoon . Partly sunny, then gradually becoming sunny, with a high near 49. Light and variable wind becoming north 5 to 9 mph in the afternoon.  Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

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

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Light and variable wind becoming north 5 to 7 mph in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 11pm, then a chance of rain and snow.  Mostly cloudy, with a low around 45. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 45 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 8am, then rain likely.  Mostly sunny, with a high near 51.

    High: 51 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely before 2am, then a chance of rain and snow.  Snow level 8200 feet lowering to 7000 feet after midnight . Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 48. Northwest wind around 6 mph.
Saturday
A slight chance of rain between 7am and 8am. Snow level 8200 feet lowering to 6500 feet in the afternoon . Partly sunny, then gradually becoming sunny, with a high near 49. Light and variable wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 36. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 53. Northeast wind 5 to 9 mph becoming east southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40. Light and variable wind becoming north 5 to 7 mph in the evening.
Monday
Partly sunny, with a high near 53.
Monday Night
A slight chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 45. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow before 8am, then rain likely. Mostly sunny, with a high near 51.
Tuesday Night
Rain likely before 2am, then a chance of rain and snow. Snow level 8200 feet lowering to 7000 feet after midnight . Mostly cloudy, with a low around 40.
Wednesday
A chance of rain and snow. Snow level 6700 feet lowering to 5700 feet in the afternoon . Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.95°N 123.31°W (Elev. 4911 ft)
2:46 am PDT Mar 21, 2026
2am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database