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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

64°F

18°C

Humidity 74%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 09 Apr 01:52 PM PDT
Extended Forecast for

Happy Camp CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 70. Light southwest wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 1am, then a chance of showers after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 65. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 44. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: Showers. High near 56. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. Snow level 4200 feet rising to 5000 feet in the afternoon. High near 56. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: A chance of rain. Snow level 4500 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 70. Light southwest wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 1am, then a chance of showers after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 65. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 44. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers. High near 56. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, with thunderstorms also possible after 11am. Snow level 4200 feet rising to 5000 feet in the afternoon. High near 56. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39.
Monday
A chance of rain. Snow level 4500 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 60.
Monday Night
A slight chance of rain before 11pm. Snow level 5400 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
A chance of rain. Snow level 4500 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Camp CA
 41.8°N 123.39°W (Elev. 1529 ft)
Last Update:
11:26 am PDT Apr 9, 2026
Forecast Valid:
2pm PDT Apr 9, 2026-6pm PDT Apr 15, 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