Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

85°F

29°C

Humidity 22%
Wind Speed SW 1 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 42°F (6°C)
Visibility NA
Heat Index82°F (28°C)
Last update 22 Aug 10:53 AM MST
Extended Forecast for

Grand Canyon AZ

  • Today

    Today: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91. West wind around 10 mph, with gusts as high as 15 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Southwest wind 5 to 8 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 92. Light and variable wind becoming southwest 6 to 11 mph in the morning.

    High: 92 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Southwest wind 5 to 9 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. West wind around 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 71. Southwest wind 5 to 8 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Sunday Night
Partly cloudy, with a low around 69. Southwest wind 5 to 9 mph.
Monday
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 67. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 92. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 69. South wind 3 to 8 mph.
Thursday
Sunny, with a high near 92. Light south wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 69. West wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 92. Light south wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.08°N 112.15°W (Elev. 4528 ft)
9:47 am MST Aug 22, 2026
11am MST Aug 22, 2026-6pm MST Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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