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

Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

33°F

1°C

Humidity 100%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 17 Mar 07:52 AM PDT
Extended Forecast for

13 Miles NE Happy Camp CA

  • Today

    Today: Sunny, with a high near 62. South southwest wind 6 to 8 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southwest wind 7 to 9 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Southwest wind 7 to 11 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. Southwest wind 9 to 11 mph becoming west northwest in the evening.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64. South wind 10 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 11am. Snow level 8200 feet lowering to 7600 feet. Partly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. South southwest wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 48. Southwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 63. Southwest wind 7 to 11 mph.
Wednesday Night
Clear, with a low around 47. Southwest wind 9 to 11 mph becoming west northwest in the evening.
Thursday
Sunny, with a high near 64. South wind 10 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
A slight chance of rain before 11am. Snow level 8200 feet lowering to 7600 feet. Partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 36. Breezy.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 36. Breezy.
Monday
A slight chance of rain and snow. Snow level rising to 6300 feet in the afternoon. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Happy Camp CA
 41.93°N 123.18°W (Elev. 5801 ft)
Last Update:
6:56 am PDT Mar 17, 2026
Forecast Valid:
8am PDT Mar 17, 2026-6pm PDT Mar 23, 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