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

ARROYO SECO (ASRC1)

Lat: 36.23548°NLon: 121.47988°WElev: 879.0ft.

NA

82°F

28°C

Humidity 31%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index81°F (27°C)
Last update 09 Apr 04:04 PM PDT
Extended Forecast for

6 Miles ENE Arroyo Seco CA

  • Tonight

    Tonight: A slight chance of showers before 4am, then a chance of showers after 5am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 30%.

    Low: 49 °F

    Partly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 8am. High near 67. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers and
    Areas Fog

  • Friday Night

    Friday Night: Showers likely, mainly after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers. Patchy fog before 8am. High near 63. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 44. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. High near 60. 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

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Monday

    Monday: A chance of rain, mainly before 11am. Mostly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers before 4am, then a chance of showers after 5am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 30%.
Friday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 8am. High near 67. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. Patchy fog before 8am. High near 63. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 44. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers, with thunderstorms also possible after 11am. High near 60. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Monday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Arroyo Seco CA
 36.27°N 121.4°W (Elev. 919 ft)
Last Update:
4:46 pm PDT Apr 9, 2026
Forecast Valid:
5pm PDT Apr 9, 2026-6pm PDT Apr 16, 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