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

63°F

17°C

Humidity 71%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 09 Apr 10:52 AM PDT
Extended Forecast for

17 Miles SSE Agness OR

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Temperature falling to around 55 by 5pm. 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: 60 °F⇓

    Showers

  • Tonight

    Tonight: Showers, mainly before 9pm. Low around 49. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter 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. 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. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain

  • Monday

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

    High: 48 °F

    Rain Likely

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Temperature falling to around 55 by 5pm. 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.
Tonight
Showers, mainly before 9pm. Low around 49. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter 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. 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. Mostly cloudy, with a low around 44.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
Last Update:
11:26 am PDT Apr 9, 2026
Forecast Valid:
11am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation