Expires:202507160200;Remove:202507160200;469148
WWUS75 KFGZ 150742
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1242 AM MST Tue Jul 15 2025


AZZ006-160200-
/O.EXT.KFGZ.XH.W.0003.000000T0000Z-250716T0200Z/
Grand Canyon Country-
Including the cities of Grand Canyon Village, North Rim, and
Supai
1242 AM MST Tue Jul 15 2025

...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 7 PM MST THIS EVENING 
BELOW 4000 FEET...

* WHAT...Dangerously hot conditions below 4000 feet, with daytime 
  temperatures ranging from 102 degrees at Havasupai Gardens, to 110 
  degrees at Phantom Ranch.

* WHERE...Lower elevations of the Grand Canyon.

* WHEN...Until 7 PM MST this evening.

* IMPACTS...Most individuals will be at risk for heat-related 
  illnesses without effective cooling or adequate hydration, 
  especially with prolonged outdoor exposure.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This warning is reserved for only the hottest days of the year and 
is issued when temperatures are expected to rise to dangerous levels.

Day hikers on Bright Angel Trail should descend no farther than 1 
1/2 miles from the upper trailhead. Between the hours of 10 AM and 4 
PM, hikers should be out of the canyon or at Havasupai Gardens or 
Bright Angel campgrounds, physical activity is discouraged. All 
hikers should have adequate gear, including a wide-brimmed hat, 
sunscreen, salty snacks, sufficient water, and electrolyte mix. 
Doubling your calorie intake helps maintain your energy.

Hike smart.

&&

$$

Humphreys