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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

37°F

3°C

Humidity 68%
Wind Speed NNW 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 17 Mar 07:33 AM MST
Extended Forecast for

Grand Canyon AZ

Extreme Heat Warning March 18, 11:00am until March 22, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Sunny, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind becoming east around 5 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. North wind around 5 mph becoming light and variable after midnight.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 49. West wind around 7 mph becoming south after midnight.

    Low: 49 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 39. West wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 78. Calm wind becoming east around 5 mph.
Wednesday Night
Mostly clear, with a low around 44. Light and variable wind.
Thursday
Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 48. North wind around 5 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Clear, with a low around 49. West wind around 7 mph becoming south after midnight.
Saturday
Sunny, with a high near 81. West wind 6 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 48. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 77. Southwest wind 7 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 45. Southwest wind 7 to 15 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 73. Southwest wind 7 to 17 mph, with gusts as high as 28 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:
4:12 am MST Mar 17, 2026
Forecast Valid:
7am MST Mar 17, 2026-6pm MST Mar 23, 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