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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

43°F

6°C

Humidity 82%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 18 Mar 08:52 AM PDT
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Today

    Today: Sunny, with a high near 63. South southwest wind 8 to 10 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. South southwest wind 7 to 9 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Southwest wind around 9 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. South southwest wind 7 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64. West wind 8 to 11 mph.

    High: 64 °F

    Mostly Sunny

  • Friday Night

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

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Snow level 8300 feet lowering to 7100 feet in the afternoon . Partly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 63. South southwest wind 8 to 10 mph.
Tonight
Clear, with a low around 50. South southwest wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 64. Southwest wind around 9 mph.
Thursday Night
Mostly clear, with a low around 50. South southwest wind 7 to 10 mph.
Friday
Mostly sunny, with a high near 64. West wind 8 to 11 mph.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A 20 percent chance of rain before 11am. Snow level 8300 feet lowering to 7100 feet in the afternoon . Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 55.
Monday Night
A chance of rain and snow. Snow level 7300 feet. Mostly cloudy, with a low around 42.
Tuesday
Rain and snow likely. Snow level 7500 feet rising to 8000 feet. Mostly cloudy, with a high near 48.
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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 am PDT Mar 18, 2026
Forecast Valid:
9am PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation