Extreme Heat Warning issued June 14 at 3:13AM MST until June 16 at 7:00PM MST by NWS Flagstaff AZ

* 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.