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

78°F

26°C

Humidity 54%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Heat Index79°F (26°C)
Last update 20 Mar 07:04 PM PDT
Extended Forecast for

10 Miles NNW Arroyo Seco CA

Heat Advisory March 20, 07:16pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 07:16pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West northwest wind 5 to 7 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. North northwest wind 3 to 7 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northwest wind 3 to 7 mph.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 54. West northwest wind 5 to 7 mph.
Sunday
Sunny, with a high near 76. North northwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 55. Northwest wind 3 to 7 mph.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Arroyo Seco CA
 36.36°N 121.54°W (Elev. 2461 ft)
2:07 pm PDT Mar 20, 2026
7pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database