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

9 Miles ENE Happy Camp CA

  • Overnight

    Overnight: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny during the morning, then sunny during the afternoon, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.

    High: 83 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 51. West wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. North wind 5 to 9 mph becoming light north northeast  in the evening.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 46. Calm wind.
Friday
Partly sunny during the morning, then sunny during the afternoon, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 51. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 33. North wind 5 to 9 mph becoming light north northeast in the evening.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
A slight chance of rain after 11am. Mostly sunny, with a high near 74.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Mostly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database