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

KL1SF-7 Grand Canyon (AR412)

Lat: 36.048°NLon: 112.1245°WElev: 6977.0ft.

NA

40°F

4°C

Humidity 32%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 12°F (-11°C)
Visibility NA
Last update 21 Mar 04:03 AM MST
Extended Forecast for

Grand Canyon AZ

Extreme Heat Warning March 21, 04:18am until March 22, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning March 21, 04:18am until March 22, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. West wind 5 to 11 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. Southwest wind around 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Southwest wind 9 to 14 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. West wind around 10 mph, with gusts as high as 17 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Southwest wind 8 to 10 mph.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 82. West wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Partly cloudy, with a low around 38. West wind 5 to 11 mph.
Sunday
Partly sunny, with a high near 76. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 37. Southwest wind around 6 mph.
Monday
Sunny, with a high near 77. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 39. Southwest wind 9 to 14 mph.
Tuesday
Sunny, with a high near 79. West wind around 10 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 40. Southwest wind 8 to 10 mph.
Wednesday
Sunny, with a high near 80. West wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 40. West wind 7 to 13 mph.
Thursday
Sunny, with a high near 78. Southwest wind 9 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 39. Southwest wind 10 to 16 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 77. Southwest wind 11 to 18 mph, with gusts as high as 30 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.05°N 112.14°W (Elev. 6804 ft)
Last Update:
3:10 am MST Mar 21, 2026
Forecast Valid:
4am MST Mar 21, 2026-6pm MST Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation