* WHAT…Dangerously hot conditions possible below 4000 feet, with daytime temperatures ranging from 97 degrees at Havasupai Gardens, to 111 degrees at Phantom Ranch. * WHERE…Lower elevations of the Grand Canyon. * WHEN…From Monday morning through Tuesday evening. * IMPACTS…Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially
Source: National Weather Service
Indexed: Sat, 20 Jun 2026 16:17:10 UTC
Not a government entity. Not a broker or agent. Public information index only. Verify independently.