Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

66°F

19°C

Humidity 42%
Wind Speed NW 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 25 Aug 07:23 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 10 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 86. Calm wind becoming east 5 to 7 mph in the morning.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Calm wind becoming west around 5 mph after midnight.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. South wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Southwest wind around 9 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 89. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 60. South wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 85. Southwest wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 86. Calm wind becoming east 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 56. Calm wind.
Wednesday
Sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 54. Calm wind becoming west around 5 mph after midnight.
Thursday
Sunny, with a high near 90. South wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 61. Southwest wind around 9 mph, with gusts as high as 15 mph.
Friday
A 10 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 60. South wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
A 50 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 85. Southwest wind 6 to 15 mph, with gusts as high as 26 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 57. South wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind 8 to 14 mph, with gusts as high as 25 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54. South wind 7 to 11 mph, with gusts as high as 21 mph.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. Southwest wind 7 to 13 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.05°N 112.14°W (Elev. 6804 ft)
3:12 am MST Aug 25, 2026
7am MST Aug 25, 2026-6pm MST Aug 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database