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

16 Miles SE Agness OR

  • Tonight

    Tonight: Showers likely, mainly before 3am.  Mostly cloudy, with a low around 49. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  High near 54. Calm wind becoming west southwest around 6 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: 54 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 46. West southwest wind around 6 mph becoming south southeast after midnight.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm.  Snow level 5500 feet lowering to 4700 feet. High near 48. South southeast wind around 7 mph becoming southwest in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Snow level 4700 feet. Low around 42. South southwest wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers

  • Sunday

    Sunday: Showers.  Snow level 4300 feet rising to 4900 feet in the afternoon. High near 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Showers

  • Sunday Night

    Sunday Night: Rain likely.  Snow level 4700 feet. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 11am.  Snow level 4500 feet. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain before 11pm.  Snow level 4800 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Showers likely, mainly before 3am. Mostly cloudy, with a low around 49. Calm wind. 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 4pm, then a chance of showers and thunderstorms after 4pm. High near 54. Calm wind becoming west southwest around 6 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. Low around 46. West southwest wind around 6 mph becoming south southeast after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. Snow level 5500 feet lowering to 4700 feet. High near 48. South southeast wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers. Snow level 4700 feet. Low around 42. South southwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. Snow level 4300 feet rising to 4900 feet in the afternoon. High near 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely. Snow level 4700 feet. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 11am. Snow level 4500 feet. Mostly cloudy, with a high near 49.
Monday Night
A chance of rain before 11pm. Snow level 4800 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A chance of rain. Snow level 5100 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Snow level 4200 feet rising to 4900 feet in the afternoon. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Snow level 5100 feet lowering to 4000 feet after midnight . Partly cloudy, with a low around 39.
Thursday
A slight chance of rain. Snow level 3800 feet rising to 4800 feet in the afternoon. Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.4°N 123.83°W (Elev. 2582 ft)
8:01 pm PDT Apr 9, 2026
9pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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