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 Thursday 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

65°F

18°C

Humidity 68%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 08 Apr 08:04 PM PDT
Extended Forecast for

4 Miles SW Arroyo Seco CA

  • Tonight

    Tonight: Partly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 11pm.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 45. West southwest wind around 5 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 61. Calm wind becoming south southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 8pm.  Patchy fog before 2am, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 44. South southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers.  Patchy fog before 7am. High near 56. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Rain likely.  Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 11am.  Partly sunny, with a high near 54.

    High: 54 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 11pm.  Partly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 69. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A 40 percent chance of showers after 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. West southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 61. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers. Patchy fog before 7am. High near 56. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Sunday
Rain likely, mainly before 11am. Partly sunny, with a high near 54.
Sunday Night
A chance of rain, mainly after 11pm. Partly cloudy, with a low around 38.
Monday
A slight chance of rain before 11am. Mostly sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Arroyo Seco CA
 36.2°N 121.56°W (Elev. 2566 ft)
4:51 pm PDT Apr 8, 2026
8pm PDT Apr 8, 2026-6pm PDT Apr 15, 2026
 
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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