Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

79°F

26°C

Humidity 35%
Wind Speed WNW 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 49°F (9°C)
Visibility NA
Heat Index79°F (26°C)
Last update 30 Aug 02:23 PM MST
Extended Forecast for

Grand Canyon AZ

Flood Watch August 30, 02:32pm until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 30, 02:32pm until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • This Afternoon

    High: 74 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 11pm.  Mostly cloudy, with a low around 55. Southwest wind 5 to 9 mph becoming southeast after midnight. Winds could gust as high as 16 mph.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 67. Southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 60%.

    High: 67 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 53. East wind 3 to 6 mph.  Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 72. South wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 72 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. South wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 73. Southwest wind 9 to 17 mph, with gusts as high as 33 mph.

    High: 73 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. Southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 55. Southwest wind 5 to 9 mph becoming southeast after midnight. Winds could gust as high as 16 mph.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 67. Southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 53. East wind 3 to 6 mph. Chance of precipitation is 50%.
Tuesday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 72. South wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 52. South wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 73. Southwest wind 9 to 17 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 50. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.
Thursday
Sunny, with a high near 78. Southwest wind 7 to 16 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 51. Southwest wind 7 to 11 mph, with gusts as high as 16 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. South wind 6 to 14 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53. South wind 3 to 8 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. South wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.05°N 112.14°W (Elev. 6804 ft)
2:08 pm MST Aug 30, 2026
2pm MST Aug 30, 2026-6pm MST Sep 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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