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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

55°F

13°C

Humidity 62%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 13 Apr 12:52 PM PDT
Extended Forecast for

7 Miles NE Happy Camp CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers.  Partly sunny, with a high near 58. West wind 3 to 5 mph.

    High: 58 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. West wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 63. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 63 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm.  Snow level 5200 feet lowering to 4300 feet. Mostly cloudy, with a low around 40. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain.  Snow level 4500 feet. High near 51. Southwest wind 7 to 14 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain showers likely before 11pm, then a slight chance of rain and snow showers.  Snow level 3900 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 30. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °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 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 58. West wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 63. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tuesday Night
Rain likely, mainly after 11pm. Snow level 5200 feet lowering to 4300 feet. Mostly cloudy, with a low around 40. West southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. Snow level 4500 feet. High near 51. Southwest wind 7 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers likely before 11pm, then a slight chance of rain and snow showers. Snow level 3900 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 30. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Snow level 5100 feet. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Happy Camp CA
 41.87°N 123.26°W (Elev. 2041 ft)
11:26 am PDT Apr 13, 2026
1pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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