Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

ARROYO SECO (ASRC1)

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

NA

37°F

3°C

Humidity 94%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 29 Dec 03:04 AM PST
Extended Forecast for

Arroyo Seco CA

Cold Weather Advisory until December 29, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until December 29, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Overnight

    Low: 36 °F

    Areas Frost

  • Monday

    Monday: Patchy frost before 8am.  Otherwise, sunny, with a high near 66. Northeast wind around 5 mph becoming calm  in the afternoon.

    High: 66 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Light east southeast wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. East wind 3 to 5 mph.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 44. Light east wind.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 64. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Rain

Detailed Forecast

Overnight
Areas of frost. Otherwise, clear, with a low around 36. Light east wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 66. Northeast wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 40. Light east southeast wind.
Tuesday
Mostly sunny, with a high near 69. East wind 3 to 5 mph.
Tuesday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 44. Light east wind.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
New Year's Day
Rain. Mostly cloudy, with a high near 64.
Thursday Night
Rain likely. Mostly cloudy, with a low around 47.
Friday
Rain likely. Mostly cloudy, with a high near 64.
Friday Night
Rain likely. Mostly cloudy, with a low around 44.
Saturday
Rain likely. Mostly cloudy, with a high near 62.
Saturday Night
Rain likely. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Arroyo Seco CA
 36.24°N 121.48°W (Elev. 1207 ft)
12:27 am PST Dec 29, 2025
4am PST Dec 29, 2025-6pm PST Jan 4, 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