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

56°F

13°C

Humidity 86%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 09 Apr 09:52 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 54 by 5pm. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F⇓

    Chance
    T-storms then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 48. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 52. Calm wind becoming southwest 5 to 9 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 43. South southwest wind 8 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: Showers. Snow level 5000 feet lowering to 4500 feet in the afternoon . High near 45. Southwest wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Snow level 4300 feet. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers

  • Sunday

    Sunday: Showers. Snow level 4300 feet. High near 46. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Snow level 4200 feet. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 11am. Snow level 3900 feet rising to 4500 feet in the afternoon. 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 54 by 5pm. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 48. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 52. Calm wind becoming southwest 5 to 9 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 43. South southwest wind 8 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. Snow level 5000 feet lowering to 4500 feet in the afternoon . High near 45. Southwest wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Showers. Snow level 4300 feet. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers. Snow level 4300 feet. High near 46. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Snow level 4200 feet. Mostly cloudy, with a low around 42.
Monday
Rain likely, mainly before 11am. Snow level 3900 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 48.
Monday Night
A slight chance of rain before 11pm. Snow level 4700 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
A slight chance of rain. Snow level 5300 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Snow level 4500 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 52.
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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:
10:41 am PDT Apr 9, 2026
Forecast Valid:
10am 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