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

59°F

15°C

Humidity 92%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 09 Apr 12:52 PM PDT
Extended Forecast for

11 Miles NNE Happy Camp CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 55. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then a slight chance of showers after 5am. Snow level 8000 feet lowering to 7300 feet after midnight . Low around 42. Southwest wind around 6 mph becoming northeast 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: 42 °F

    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and noon, then showers and possibly a thunderstorm after noon. Snow level 7000 feet. High near 49. South southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Chance
    T-storms then
    Showers

  • Friday Night

    Friday Night: Rain showers before 8pm, then rain, possibly mixed with snow showers between 8pm and 11pm, then rain showers after 11pm. Some thunder is also possible. Snow level 6600 feet lowering to 6000 feet after midnight . Low around 40. South wind 7 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain/Snow
    then Showers

  • Saturday

    Saturday: Rain showers before 2pm, then rain, possibly mixed with snow showers between 2pm and 5pm, then rain showers after 5pm. Some thunder is also possible. Snow level 5400 feet. High near 42. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Showers then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow showers. Snow level 4900 feet. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Sunday

    Sunday: Rain and snow showers, becoming all rain after 2pm. Some thunder is also possible. Snow level rising to 5100 feet in the afternoon. High near 41. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain before 8pm, then rain and snow. Snow level 5200 feet lowering to 4700 feet after midnight . Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain/Snow

  • Monday

    Monday: Rain and snow likely before 11am, then a chance of rain. Snow level 4500 feet rising to 5200 feet in the afternoon. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow
    Likely then
    Chance Rain

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 55. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then a slight chance of showers after 5am. Snow level 8000 feet lowering to 7300 feet after midnight . Low around 42. Southwest wind around 6 mph becoming northeast 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.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and noon, then showers and possibly a thunderstorm after noon. Snow level 7000 feet. High near 49. South southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain showers before 8pm, then rain, possibly mixed with snow showers between 8pm and 11pm, then rain showers after 11pm. Some thunder is also possible. Snow level 6600 feet lowering to 6000 feet after midnight . Low around 40. South wind 7 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday
Rain showers before 2pm, then rain, possibly mixed with snow showers between 2pm and 5pm, then rain showers after 5pm. Some thunder is also possible. Snow level 5400 feet. High near 42. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday Night
Rain, possibly mixed with snow showers. Snow level 4900 feet. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Rain and snow showers, becoming all rain after 2pm. Some thunder is also possible. Snow level rising to 5100 feet in the afternoon. High near 41. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain before 8pm, then rain and snow. Snow level 5200 feet lowering to 4700 feet after midnight . Mostly cloudy, with a low around 37.
Monday
Rain and snow likely before 11am, then a chance of rain. Snow level 4500 feet rising to 5200 feet in the afternoon. Mostly cloudy, with a high near 43.
Monday Night
A slight chance of rain, mixing with snow after 8pm, then gradually ending. Snow level 5500 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A chance of rain and snow. Snow level 4500 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.94°N 123.25°W (Elev. 4360 ft)
Last Update:
11:26 am PDT Apr 9, 2026
Forecast Valid:
1pm PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation