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

96°F

36°C

Humidity 25%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Heat Index94°F (34°C)
Last update 20 Mar 04:04 PM PDT
Extended Forecast for

10 Miles SE Arroyo Seco CA

Heat Advisory March 20, 04:29pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 04:29pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 64 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 73. West wind 5 to 14 mph becoming northeast in the morning. Winds could gust as high as 21 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 58. North northwest wind 13 to 16 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 71. North wind 7 to 9 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North northwest wind 8 to 11 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 64. South wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 73. West wind 5 to 14 mph becoming northeast in the morning. Winds could gust as high as 21 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 58. North northwest wind 13 to 16 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 71. North wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 57. North northwest wind 8 to 11 mph.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Arroyo Seco CA
 36.14°N 121.34°W (Elev. 3793 ft)
2:07 pm PDT Mar 20, 2026
4pm PDT Mar 20, 2026-6pm PDT Mar 27, 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