Headline:
Extreme Heat Warning issued June 16 at 4:51PM MST until June 20 at 7:00PM MST by NWS Flagstaff AZ
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
June 16, 2025 - 4:51pm
Expires:
June 17, 2025 - 1:00am
Description:
* WHAT...Dangerously hot conditions below 4000 feet, with daytime
temperatures ranging from 104 degrees at Havasupai Gardens, to 114
degrees at Phantom Ranch.
* WHERE...Lower elevations of the Grand Canyon.
* WHEN...Until 7 PM MST Friday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
Instruction:
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.
Area Description:
Grand Canyon Country
Forcast Office:
NWS Flagstaff AZ