National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

74°F

23°C

Humidity 37%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 20 Mar 06:52 PM PDT
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. North wind 5 to 7 mph becoming west southwest in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Light north northwest wind becoming north 5 to 9 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. North northeast wind 8 to 11 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Northeast wind 3 to 8 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Northeast wind 6 to 8 mph becoming north northwest after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after 11pm. Snow level 8200 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. North wind 5 to 7 mph becoming west southwest in the evening.
Saturday
Mostly sunny, with a high near 47. Light north northwest wind becoming north 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 35. North northeast wind 8 to 11 mph.
Sunday
Mostly sunny, with a high near 52. Northeast wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 40. Northeast wind 6 to 8 mph becoming north northwest after midnight.
Monday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
A chance of rain, mainly after 11pm. Snow level 8200 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 40.
Wednesday
A chance of rain before 11am. Snow level 6700 feet lowering to 5800 feet in the afternoon . Partly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.96°N 123.25°W (Elev. 5138 ft)
Last Update:
4:41 pm PDT Mar 20, 2026
Forecast Valid:
7pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation