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

84°F

29°C

Humidity 25%
Wind Speed W 0 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 44°F (7°C)
Visibility NA
Heat Index82°F (28°C)
Last update 22 Aug 09:23 AM MST
Extended Forecast for

Grand Canyon AZ

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 88. West wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Southwest wind 6 to 9 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 88. West wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Southwest wind 6 to 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 85. West wind 5 to 9 mph.

    High: 85 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 56. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. West wind 6 to 11 mph, with gusts as high as 17 mph.
Tonight
Partly cloudy, with a low around 59. Southwest wind 6 to 9 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. West wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 58. Southwest wind 6 to 10 mph.
Monday
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 85. West wind 5 to 9 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 56. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 58. Light and variable wind.
Wednesday
Sunny, with a high near 89. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind 3 to 7 mph.
Thursday
Sunny, with a high near 89. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 60. West wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 89. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.05°N 112.14°W (Elev. 6804 ft)
9:13 am MST Aug 22, 2026
9am MST Aug 22, 2026-6pm MST Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database