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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

48°F

9°C

Humidity 58%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 10 Mar 11:52 AM PDT
Extended Forecast for

11 Miles NNE Happy Camp CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 38. West northwest wind 5 to 8 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. North northwest wind around 6 mph becoming light and variable in the evening.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Southwest wind 3 to 8 mph.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Southwest wind 6 to 9 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. West southwest wind around 7 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 11pm. Snow level 7300 feet. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 11am. Snow level 7400 feet lowering to 6500 feet in the afternoon . Partly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 38. West northwest wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 29. North northwest wind around 6 mph becoming light and variable in the evening.
Wednesday
Partly sunny, with a high near 50. Southwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 34. Southwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 50. West southwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 50.
Friday Night
A slight chance of showers after 11pm. Snow level 7300 feet. Mostly cloudy, with a low around 40.
Saturday
A slight chance of showers before 11am. Snow level 7400 feet lowering to 6500 feet in the afternoon . Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.95°N 123.28°W (Elev. 4839 ft)
Last Update:
10:41 am PDT Mar 10, 2026
Forecast Valid:
12pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation