Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

ARROYO SECO (ASRC1)

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

NA

56°F

13°C

Humidity 60%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 17 Mar 08:04 AM PDT
Extended Forecast for

4 Miles SW Arroyo Seco CA

Heat Advisory March 17, 08:17am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 08:17am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind.
Tonight
Clear, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
Clear, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 89. Calm wind.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Arroyo Seco CA
 36.2°N 121.56°W (Elev. 2566 ft)
1:54 am PDT Mar 17, 2026
8am PDT Mar 17, 2026-6pm PDT Mar 23, 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