Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

ARROYO SECO (ASRC1)

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

NA

56°F

13°C

Humidity 74%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 12 Apr 09:04 AM PDT
Extended Forecast for

10 Miles NNW Arroyo Seco CA

  • Today

    Today: Showers and thunderstorms likely before 2pm, then a chance of showers.  Mostly cloudy, then gradually becoming sunny, with a high near 53. West southwest wind 5 to 7 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers
    Likely

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am.  Partly cloudy, with a low around 41. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. West northwest wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 2pm, then a chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 53. West southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers between 3am and 4am. Partly cloudy, with a low around 41. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 43. West northwest wind 6 to 8 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 61. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Arroyo Seco CA
 36.36°N 121.54°W (Elev. 2461 ft)
8:36 am PDT Apr 12, 2026
9am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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