Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

40°F

4°C

Humidity 87%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 20 Mar 01:52 AM PDT
Extended Forecast for

17 Miles NE Happy Camp CA

  • Overnight

    Overnight: Partly cloudy, with a low around 59. South wind around 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny during the morning, then sunny during the afternoon, with a high near 65. South wind 5 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 65 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 46. North northeast wind 7 to 11 mph becoming south southwest after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 48. North wind 7 to 10 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. North wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

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

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Monday Night

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

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. South wind around 8 mph.
Friday
Partly sunny during the morning, then sunny during the afternoon, with a high near 65. South wind 5 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Increasing clouds, with a low around 46. North northeast wind 7 to 11 mph becoming south southwest after midnight.
Saturday
Partly sunny, with a high near 48. North wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 36. North wind 9 to 16 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A chance of rain, mainly after 11am. Snow level 7500 feet rising to 8500 feet in the afternoon. Mostly sunny, with a high near 60.
Tuesday Night
A chance of rain. Snow level 8800 feet lowering to 7000 feet after midnight . Mostly cloudy, with a low around 43.
Wednesday
A chance of rain and snow. Snow level 6200 feet lowering to 4800 feet. Mostly sunny, with a high near 43.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NE Happy Camp CA
 41.98°N 123.14°W (Elev. 4600 ft)
1:31 am PDT Mar 20, 2026
2am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database