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 Thursday 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

66°F

19°C

Humidity 57%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 08 Apr 06:52 PM PDT
Extended Forecast for

9 Miles ENE Happy Camp CA

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 10pm, then a slight chance of rain between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Rain Likely
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 70. Calm wind becoming west 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: 70 °F

    Chance
    T-storms then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 47. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers then
    Chance Rain

  • Friday

    Friday: A chance of rain, then showers and possibly a thunderstorm after 11am. High near 65. Light and variable wind becoming west 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 before 8pm, then rain after 8pm. Low around 44. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 54. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: Rain. Snow level 4600 feet lowering to 3800 feet after midnight . Low around 36. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 3600 feet rising to 4500 feet in the afternoon. Cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Snow level 4700 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Tonight
Rain likely and possibly a thunderstorm before 10pm, then a slight chance of rain between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 70. Calm wind becoming west 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.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 47. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of rain, then showers and possibly a thunderstorm after 11am. High near 65. Light and variable wind becoming west 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 before 8pm, then rain after 8pm. Low around 44. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 54. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Snow level 4600 feet lowering to 3800 feet after midnight . Low around 36. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. Snow level 3600 feet rising to 4500 feet in the afternoon. Cloudy, with a high near 54.
Sunday Night
Rain likely, mainly before 11pm. Snow level 4700 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 36.
Monday
A chance of rain, mainly before 11am. Snow level 3700 feet rising to 4900 feet in the afternoon. Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Wednesday
A chance of rain. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
Last Update:
4:41 pm PDT Apr 8, 2026
Forecast Valid:
7pm PDT Apr 8, 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