There’s an “extreme heat watch at the Grand Canyon … forecasting temperatures that could reach 110 degrees F (43 degrees C) … [last week a] heat watch was in effect … when two hikers, ages 67 and 68, were found dead … A third person, 72, died June 12 … after becoming ill from the heat …”
Visitors to Grand Canyon National Park are being warned about extreme temperatures early next week. The National Weather Service has issued an extreme heat watch for midday Monday through Tuesday.
