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

Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

30°F

-1°C

Humidity 100%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 14 Apr 04:52 AM PDT
Extended Forecast for

Happy Camp CA

  • Today

    Today: Increasing clouds, with a high near 63. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Rain likely, mainly after 4am. Snow level 4400 feet. Mostly cloudy, with a low around 41. South southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain. Snow level 5000 feet lowering to 4300 feet in the afternoon . High near 53. South southwest wind 6 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 11pm. Snow level 3500 feet lowering to 1900 feet after midnight . Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming north northwest after midnight.

    Low: 29 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Light north wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 63. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
Rain likely, mainly after 4am. Snow level 4400 feet. Mostly cloudy, with a low around 41. South southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. Snow level 5000 feet lowering to 4300 feet in the afternoon . High near 53. South southwest wind 6 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of rain before 11pm. Snow level 3500 feet lowering to 1900 feet after midnight . Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming north northwest after midnight.
Thursday
Sunny, with a high near 57. Light north wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
Rain. Mostly cloudy, with a high near 59.
Sunday Night
Rain likely. Snow level 5200 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 38.
Monday
Rain likely. Snow level 3800 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 58.
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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:
5:16 am PDT Apr 14, 2026
Forecast Valid:
5am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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