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

54°F

12°C

Humidity 100%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 09 Apr 08:52 AM PDT
Extended Forecast for

9 Miles ENE Happy Camp CA

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon.  High near 70. Light and variable 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

    Chance
    T-storms then
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers after 4am.  Cloudy, then gradually becoming partly cloudy, with a low around 47. 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: 47 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 11am.  High near 64. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 44. West wind 5 to 7 mph becoming light and variable  in the evening.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 55. Southwest wind 3 to 7 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Snow level 4500 feet. Low around 37. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 11am.  Snow level 4100 feet rising to 4800 feet in the afternoon. High near 54. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm.  Snow level 5000 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 11am.  Snow level 4100 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 70. Light and variable 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 slight chance of showers after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 47. 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
A chance of showers, then showers and possibly a thunderstorm after 11am. High near 64. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 44. West wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 55. Southwest wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers. Snow level 4500 feet. Low around 37. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, then showers and possibly a thunderstorm after 11am. Snow level 4100 feet rising to 4800 feet in the afternoon. High near 54. 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. Snow level 5000 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 37.
Monday
A chance of rain, mainly before 11am. Snow level 4100 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
4:41 am PDT Apr 9, 2026
9am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
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Additional Resources

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