36°18'N / 111°27'W / Wysokość 1629 m / 03:15 21.06.2026, America/Denver (UTC-6)
Od: 22.06.2026, 11:00
Do: 22.06.2026, 11:15
* WHAT...Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 101 degrees at Havasupai Gardens, to 112 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...From 10 AM Monday to 7 PM MST Tuesday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.