National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

85°F

29°C

Humidity 21%
Wind Speed NNW 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 41°F (5°C)
Visibility NA
Heat Index82°F (28°C)
Last update 22 Aug 03:03 PM MST
Extended Forecast for

Grand Canyon AZ

Flood Watch August 23, 11:00am until August 25, 08:00pm
Extreme Heat Warning August 22, 03:27pm until August 22, 08:00pm
Click here for hazard details and duration
Flood Watch
Extreme Heat Warning
  •  
    Extreme Heat Warning August 22, 03:27pm until August 22, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 89 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am. Mostly cloudy, with a low around 64. Northwest wind around 6 mph becoming light and variable. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 87. Light and variable wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 61. South wind 5 to 7 mph becoming east in the evening. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 81. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

    High: 81 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 59. West wind around 6 mph becoming light and variable. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm after 11am. High near 80. Northeast wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 58. Southwest wind around 7 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. West wind around 8 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am. Mostly cloudy, with a low around 64. Northwest wind around 6 mph becoming light and variable. Chance of precipitation is 50%.
Saturday
A slight chance of showers and thunderstorms between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 87. Light and variable wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 61. South wind 5 to 7 mph becoming east in the evening. Chance of precipitation is 70%.
Sunday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 81. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 59. West wind around 6 mph becoming light and variable. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm after 11am. High near 80. Northeast wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 58. Southwest wind around 7 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. High near 75. West wind 6 to 8 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 56. South wind around 7 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 71. West wind around 7 mph. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. West wind around 7 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.06°N 112.11°W (Elev. 6998 ft)
Last Update:
12:38 pm MST Aug 22, 2025
Forecast Valid:
3pm MST Aug 22, 2025-6pm MST Aug 28, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation