Temperatures are expected to reach triple digits again this week at the Grand Canyon, which has seen an increasing number of heat-related incidents, including the deaths of three hikers.

Visitors to Grand Canyon National Park are being warned about extreme temperatures that will hit the popular destination early this week ...

Dangerous weather conditions have turned deadly in Grand Canyon National Park, where multiple hikers have died this month as summer visitation ramps up.

GRAND CANYON NATIONAL PARK, Ariz. (AP) — Visitors to Grand Canyon National Park are being warned about extreme temperatures that will hit the popular destination early next week after a recent ...

"Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration," the NWS warned.

The National Weather Service has issued a flash flood warning for Coconino County, including the Grand Canyon, starting at 4:02 p.m. Aug. 23. The warning expires at 7 p.m. Aug. 23. The warning was ...

Fire rages at the Grand Canyon after nearly 150,000 acres burned last year - Firefighters are battling the blaze from above ...