Grand Canyon Country Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Excessive Heat Warning
Issued: 8:29 PM MDT Jun. 22, 2017 – National Weather Service

... Excessive heat warning remains in effect until 9 PM MST

* affected area... Grand Canyon country.

* Temperature... upper 90s near 6500 feet including the South
Rim, 110 to 116 degrees near the Colorado River including
phantom ranch.

* Impacts... a prolonged period of hot temperatures is ongoing
and significantly increasing the potential for heat related
illness. Those without access to adequate air conditioning and
hydration are most at risk.

Precautionary/preparedness actions...

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

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
further than 1 1/2 miles. Between 10 am and 4 PM... physical
activity is discouraged. Hikers should attempt to be out of the
canyon... at Indian Garden or bright angel campground between
these hours. 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.

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