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

67°F

19°C

Humidity 59%
Wind Speed SSW 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 30 Aug 09:23 PM MST
Extended Forecast for

Grand Canyon AZ

Flood Watch August 30, 09:36pm until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 30, 09:36pm until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Tonight

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am.  High near 70. Southeast wind around 6 mph becoming west in the afternoon.  Chance of precipitation is 90%.

    High: 70 °F

    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Light and variable wind becoming southeast around 5 mph.  Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 73. South wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 73 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 74. Southwest wind 9 to 18 mph, with gusts as high as 32 mph.

    High: 74 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. South wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Southwest wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 76 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 54. South wind around 6 mph. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. High near 70. Southeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Light and variable wind becoming southeast around 5 mph. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 73. South wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 74. Southwest wind 9 to 18 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 49. South wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 76. Southwest wind 6 to 16 mph, with gusts as high as 29 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 after 11am. 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.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53. Southwest wind around 5 mph becoming light and variable in the evening.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Light and variable wind becoming south around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.05°N 112.14°W (Elev. 6804 ft)
9:27 pm MST Aug 30, 2026
9pm MST Aug 30, 2026-6pm MST Sep 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database