National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

7 Miles SE Arroyo Seco CA

Heat Advisory March 20, 04:33pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 04:33pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 62 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 69. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 55. North northwest wind 14 to 18 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 67. North wind 8 to 11 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. North wind 9 to 14 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °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 70.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. South southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 69. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 55. North northwest wind 14 to 18 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 67. North wind 8 to 11 mph.
Sunday Night
Mostly clear, with a low around 54. North wind 9 to 14 mph.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Clear, with a low around 55.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Arroyo Seco CA
 36.15°N 121.43°W (Elev. 5325 ft)
Last Update:
2:07 pm PDT Mar 20, 2026
Forecast Valid:
4pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation