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 SSE Agness OR

  • Tonight

    Tonight: Showers, mainly before 9pm.  Low around 49. Light and variable wind.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm.  High near 52. Calm wind becoming southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 45. South wind 6 to 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °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 4500 feet. High near 47. South southwest wind around 7 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Snow level 4700 feet. Low around 41. South southwest wind around 6 mph becoming northwest in the evening.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers

  • Sunday

    Sunday: Showers.  Snow level 4200 feet rising to 4800 feet in the afternoon. High near 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Showers

  • Sunday Night

    Sunday Night: Rain.  Snow level 4700 feet. Low around 44. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain

  • Monday

    Monday: Rain likely.  Snow level 4400 feet. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain, mainly before 11pm.  Snow level 4700 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Showers, mainly before 9pm. Low around 49. Light and variable wind. Chance of precipitation is 80%. 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. High near 52. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 45. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. Snow level 5500 feet lowering to 4500 feet. High near 47. South southwest wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers. Snow level 4700 feet. Low around 41. South southwest wind around 6 mph becoming northwest in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. Snow level 4200 feet rising to 4800 feet in the afternoon. High near 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Snow level 4700 feet. Low around 44. 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 48.
Monday Night
A chance of rain, mainly before 11pm. Snow level 4700 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
A chance of rain. Snow level 4900 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Snow level 4300 feet rising to 4900 feet in the afternoon. Partly sunny, with a high near 49.
Wednesday Night
A chance of rain. Snow level 5000 feet lowering to 4100 feet after midnight . Mostly 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 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
8:01 pm PDT Apr 9, 2026
8pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database