Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

63°F

17°C

Humidity 47%
Wind Speed SW 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 24 Aug 04:53 AM MST
Extended Forecast for

Grand Canyon AZ

Extreme Heat Warning August 26, 10:00am until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly between 11am and 5pm.  Increasing clouds, with a high near 82. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 58. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 11am.  Increasing clouds, with a high near 84. Light and variable wind becoming northeast 5 to 8 mph in the morning.

    High: 84 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. West wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. West wind 5 to 8 mph becoming south after midnight.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 88. Light south wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Increasing clouds, with a high near 82. Light and variable wind becoming south 5 to 9 mph in the morning.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 58. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
A 10 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 84. Light and variable wind becoming northeast 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 60. West wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 88. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 61. West wind 5 to 8 mph becoming south after midnight.
Thursday
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 88. Light south wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 16 mph.
Friday
Mostly sunny, with a high near 86. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Partly cloudy, with a low around 62. West wind 7 to 11 mph becoming south after midnight. Winds could gust as high as 18 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Southwest wind 10 to 17 mph, with gusts as high as 28 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.06°N 112.11°W (Elev. 6998 ft)
3:37 am MST Aug 24, 2026
5am MST Aug 24, 2026-6pm MST Aug 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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