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

56°F

13°C

Humidity 97%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 09 Apr 07:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Showers likely, mainly before 9pm.  Snow level 7400 feet. Mostly cloudy, with a low around 45. South wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm.  Snow level 7100 feet lowering to 6200 feet in the afternoon . High near 47. Light south southwest wind becoming southwest 6 to 11 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Snow level 5900 feet. Steady temperature around 44. South southwest wind 8 to 11 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: Rain showers before 8am, then rain and snow showers.  Snow level 5400 feet lowering to 4500 feet. High near 44. South southwest wind 10 to 14 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow showers.  Snow level 4600 feet. Low around 39. West southwest wind 8 to 10 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Sunday

    Sunday: Snow showers before 11am, then rain, possibly mixed with snow showers.  Snow level rising to 4800 feet in the afternoon. High near 43. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain.  Snow level 4700 feet. Low around 42. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain likely.  Snow level 4400 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Showers likely, mainly before 9pm. Snow level 7400 feet. Mostly cloudy, with a low around 45. South wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Snow level 7100 feet lowering to 6200 feet in the afternoon . High near 47. Light south southwest wind becoming southwest 6 to 11 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Snow level 5900 feet. Steady temperature around 44. South southwest wind 8 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain showers before 8am, then rain and snow showers. Snow level 5400 feet lowering to 4500 feet. High near 44. South southwest wind 10 to 14 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday Night
Rain, possibly mixed with snow showers. Snow level 4600 feet. Low around 39. West southwest wind 8 to 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Snow showers before 11am, then rain, possibly mixed with snow showers. Snow level rising to 4800 feet in the afternoon. High near 43. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain. Snow level 4700 feet. Low around 42. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Snow level 4400 feet. Mostly cloudy, with a high near 43.
Monday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
A chance of rain. Snow level 4900 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Snow level rising to 5000 feet in the afternoon. Partly sunny, with a high near 44.
Wednesday Night
A chance of rain. Snow level 5100 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 37.
Thursday
A slight chance of rain. Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
8:01 pm PDT Apr 9, 2026
8pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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