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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

86°F

30°C

Humidity 10%
Wind Speed N 2 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Heat Index83°F (28°C)
Last update 16 Jun 03:53 PM MST
Extended Forecast for

Grand Canyon AZ

Extreme Heat Warning until June 17, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until June 17, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Patchy smoke between midnight and 1am. Mostly clear, with a low around 58. West wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Sunny, with a high near 90. West wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 87. Southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52. Southwest wind 8 to 18 mph, with gusts as high as 29 mph.

    Low: 52 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 90. West wind around 14 mph, with gusts as high as 22 mph.
Tonight
Patchy smoke between midnight and 1am. Mostly clear, with a low around 58. West wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 90. West wind 7 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 58. West wind 7 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 89. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 57. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Juneteenth
Sunny, with a high near 87. Southwest wind 9 to 18 mph, with gusts as high as 29 mph.
Friday Night
Clear, with a low around 52. Southwest wind 8 to 18 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 85. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 50. Southwest wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 85. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 51. West wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 87. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 17 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:
2:48 pm MST Jun 16, 2026
Forecast Valid:
4pm MST Jun 16, 2026-6pm MST Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation