Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

ARROYO SECO (ASRC1)

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

NA

59°F

15°C

Humidity 75%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Mar 05:04 AM PDT
Extended Forecast for

4 Miles SW Arroyo Seco CA

Heat Advisory March 20, 06:31am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 06:31am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Calm wind.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. North northwest wind around 7 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 89. Calm wind.
Tonight
Increasing clouds, with a low around 58. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 51. North northwest wind around 7 mph.
Sunday
Sunny, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Arroyo Seco CA
 36.2°N 121.56°W (Elev. 2566 ft)
2:22 am PDT Mar 20, 2026
6am PDT Mar 20, 2026-6pm PDT Mar 26, 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