571
WWUS75 KFGZ 150937
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
237 AM MST Sun Jun 15 2025

AZZ006-151745-
/O.CON.KFGZ.XH.W.0001.000000T0000Z-250617T0200Z/
Grand Canyon Country-
Including the cities of North Rim, Grand Canyon Village, and
Supai
237 AM MST Sun Jun 15 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM MST MONDAY
BELOW 4000 FEET...

* WHAT...Dangerously hot conditions below 4000 feet, with daytime
  temperatures ranging from 102 degrees at Havasupai Gardens, to 111
  degrees at Phantom Ranch.

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

* WHEN...Until 7 PM MST Monday.

* 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.

&&

$$

Konieczny