384
WWUS75 KFGZ 141013
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
313 AM MST Sat Jun 14 2025

AZZ006-141815-
/O.CON.KFGZ.XH.W.0001.250614T1700Z-250617T0200Z/
Grand Canyon Country-
Including the cities of Grand Canyon Village, North Rim, and
Supai
313 AM MST Sat Jun 14 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MST MONDAY BELOW 4000 FEET...

* WHAT...Dangerously hot conditions expected below 4000 feet, with
  daytime temperatures ranging from 102 degrees at Havasupai
  Gardens, to 113 degrees at Phantom Ranch.

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

* WHEN...From 10 AM this morning to 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.

&&

$$

Bernhart