Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

55°F

13°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 09 Apr 08:52 PM PDT
Extended Forecast for

11 Miles NNE Happy Camp CA

  • Tonight

    Tonight: Showers likely before 1am, then a slight chance of showers after 5am.  Snow level 7600 feet. Mostly cloudy, with a low around 42. Southeast wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers
    Likely 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. South southwest wind around 7 mph.  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 . Low around 37. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then Chance
    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

  • Monday Night

    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.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Showers likely before 1am, then a slight chance of showers after 5am. Snow level 7600 feet. Mostly cloudy, with a low around 42. Southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
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. South southwest wind around 7 mph. 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 . Low around 37. Chance of precipitation is 80%. Little or no snow accumulation expected.
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.
Wednesday Night
A chance of rain and snow. Snow level 5800 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.94°N 123.25°W (Elev. 4360 ft)
8:01 pm PDT Apr 9, 2026
9pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
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