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

52°F

11°C

Humidity 90%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 21 Mar 08:52 AM PDT
Extended Forecast for

12 Miles W Happy Camp CA

  • Today

    Today: Mostly sunny, with a high near 51. West southwest wind 5 to 9 mph becoming northwest in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. North northeast wind 8 to 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Northeast wind 3 to 8 mph.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. Light and variable wind becoming north 5 to 7 mph in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. Northwest wind 6 to 10 mph becoming south in the morning.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 8pm, 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 cloudy, with a high near 50. Breezy.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 50 °F

    Breezy.
    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely before 11pm, then a chance of rain and snow.  Snow level 8500 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow.  Snow level 6700 feet lowering to 5700 feet in the afternoon . Partly sunny, with a high near 48.

    High: 48 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 51. West southwest wind 5 to 9 mph becoming northwest in the afternoon.
Tonight
Partly cloudy, with a low around 35. North northeast wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 56. Northeast wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 41. Light and variable wind becoming north 5 to 7 mph in the evening.
Monday
Mostly sunny, with a high near 54. Northwest wind 6 to 10 mph becoming south in the morning.
Monday Night
A slight chance of rain before 8pm, 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 cloudy, with a high near 50. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
Rain likely before 11pm, then a chance of rain and snow. Snow level 8500 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 39.
Wednesday
A chance of rain and snow. Snow level 6700 feet lowering to 5700 feet in the afternoon . Partly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
4:41 am PDT Mar 21, 2026
9am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database