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

ARROYO SECO (ASRC1)

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

NA

55°F

13°C

Humidity 92%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 09 Apr 10:04 PM PDT
Extended Forecast for

4 Miles SW Arroyo Seco CA

  • Tonight

    Tonight: A 30 percent chance of showers after 3am.  Patchy fog.  Otherwise, mostly cloudy, with a low around 45. Calm wind.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Patchy Fog
    then Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am.  Patchy fog before 8am. High near 60. Calm wind becoming south southwest 5 to 7 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly after 11pm.  Patchy fog after 2am.  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 possible.

    Low: 44 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm.  Patchy fog before 8am. High near 56. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 39. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 39 °F

    Showers

  • Sunday

    Sunday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm.  High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: A chance of rain, mainly before 11am.  Mostly sunny, with a high near 62.

    High: 62 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 45. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am. Patchy fog before 8am. High near 60. Calm wind becoming south southwest 5 to 7 mph in the morning. 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 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 possible.
Saturday
Showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 56. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 39. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Monday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Arroyo Seco CA
 36.2°N 121.56°W (Elev. 2566 ft)
4:46 pm PDT Apr 9, 2026
10pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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