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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

36°F

2°C

Humidity 98%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 30 Dec 12:52 PM PST
Extended Forecast for

Happy Camp CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. Calm wind.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Northeast wind 3 to 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 42. Light east wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain. High near 51. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain. High near 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Rain. Cloudy, with a low around 38.

    Low: 38 °F

    Rain

  • Saturday

    Saturday: Rain. Cloudy, with a high near 47.

    High: 47 °F

    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 52. Calm wind.
Tonight
Partly cloudy, with a low around 37. Northeast wind 3 to 5 mph.
Wednesday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 53. Light and variable wind.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 42. Light east wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
New Year's Day
Rain. High near 51. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Cloudy, with a low around 38.
Saturday
Rain. Cloudy, with a high near 47.
Saturday Night
Rain. Snow level 3900 feet. Mostly cloudy, with a low around 36.
Sunday
Rain likely. Snow level 3700 feet rising to 4400 feet in the afternoon. Mostly cloudy, with a high near 47.
Sunday Night
Rain likely. Snow level 4300 feet. Mostly cloudy, with a low around 34.
Monday
Rain likely. Snow level 4100 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Camp CA
 41.81°N 123.36°W (Elev. 1299 ft)
Last Update:
12:41 pm PST Dec 30, 2025
Forecast Valid:
1pm PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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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