Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

88°F

31°C

Humidity 18%
Wind Speed NW 2 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 39°F (4°C)
Visibility NA
Heat Index84°F (29°C)
Last update 04 Aug 12:23 PM MST
Extended Forecast for

2 Miles NW Phantom Ranch AZ

Extreme Heat Warning August 4, 12:35pm until August 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 4, 12:35pm until August 5, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 105 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. West wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 105. West wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 105 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. West wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 11am.  Sunny and hot, with a high near 104. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 104 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. West wind 5 to 9 mph becoming light  after midnight.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 104. West wind 3 to 8 mph.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. West wind 5 to 7 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 105. West wind 10 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 73. West wind 6 to 11 mph, with gusts as high as 17 mph.
Wednesday
Sunny and hot, with a high near 105. West wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 73. West wind 5 to 10 mph, with gusts as high as 16 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 104. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 72. West wind 5 to 9 mph becoming light after midnight.
Friday
Sunny and hot, with a high near 104. West wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 72. West wind 5 to 7 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 104. West wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 73. West wind 5 to 9 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 102. West wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southwest wind 6 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. West wind 6 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Phantom Ranch AZ
 36.12°N 112.13°W (Elev. 3957 ft)
11:32 am MST Aug 4, 2026
12pm MST Aug 4, 2026-6pm MST Aug 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database