Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Grand Canyon National Park Airport (KGCN)

Lat: 35.94582°NLon: 112.15538°WElev: 6598ft.

Fair

57°F

14°C

Humidity 77%
Wind Speed calm
Barometer 30.24 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 24 Jul 3:20 am MST
Extended Forecast for

Supai AZ

Excessive Heat Warning until July 24, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 24, 08:00pm

    NOW until
    8:00pm Sun

    Excessive Heat Warning

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Light south southwest wind.

    Partly Cloudy

    Low: 73 °F

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 104. Light and variable wind becoming west 5 to 8 mph in the afternoon.

    Slight Chance
    T-storms

    High: 104 °F

  • Sunday
    Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 75. West southwest wind 5 to 10 mph becoming light southwest  in the evening.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 75 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 100. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    Slight Chance
    T-storms

    High: 100 °F

  • Monday
    Night

    Monday Night: A 10 percent chance of showers and thunderstorms after 11pm.  Partly cloudy, with a low around 75. West wind 5 to 7 mph becoming light and variable  in the evening.

    Slight Chance
    T-storms

    Low: 75 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 101.

    Slight Chance
    T-storms

    High: 101 °F

  • Tuesday
    Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms after 11pm.  Partly cloudy, with a low around 75.

    Slight Chance
    T-storms

    Low: 75 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 103.

    Slight Chance
    T-storms

    High: 103 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Light south southwest wind.
Sunday
A 10 percent chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 104. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Sunday Night
A 10 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 75. West southwest wind 5 to 10 mph becoming light southwest in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 100. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 75. West wind 5 to 7 mph becoming light and variable in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 101.
Tuesday Night
A 10 percent chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 75.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 103.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 76.
Thursday
Mostly sunny and hot, with a high near 104.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Mostly sunny and hot, with a high near 102.
Friday Night
Partly cloudy, with a low around 76.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99.
Click Map For Forecast
Point Forecast:
Supai AZ
 36.25°N 112.68°W (Elev. 3865 ft)
3:33 am MST Jul 24, 2016
3am MST Jul 24, 2016-6pm MST Jul 30, 2016
 
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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