Headline:
Extreme Heat Watch issued July 6 at 2:35PM MST until July 11 at 8:00PM MST by NWS Flagstaff AZ
Event:
Extreme Heat Watch
Urgency:
Future
Effective:
July 6, 2026 - 2:35pm
Expires:
July 7, 2026 - 6:00pm
Description:
* WHAT...For the Extreme Heat Warning below 4000 feet, dangerously
hot conditions below 4000 feet, with daytime temperatures ranging
from 99 degrees at Havasupai Gardens, to 113 degrees at Phantom
Ranch. For the Extreme Heat Watch below 4000 feet, dangerously hot
conditions possible below 4000 feet, with daytime temperatures
ranging from 98 degrees at Havasupai Gardens, to 113 degrees at
Phantom Ranch.
* WHERE...Lower elevations of the Grand Canyon.
* WHEN...For the Extreme Heat Warning, until 8 PM MST Wednesday. For
the Extreme Heat Watch, from Wednesday evening through Saturday
evening.
* 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
Sender: