An Excessive Heat Warning has been issued for Grand Canyon locations below 4,000ft, and Yavapai County locations below 3,000ft, due to extended periods of extreme heat beginning this weekend. Daytime temperatures of 105°-115° are forecast in the warned area. Plan ahead to avoid strenuous activity outdoors between 10am and 4pm. If you must be outside, stay hydrated and eat plenty of salty snacks. Know the signs of heat illness and never — NEVER — leave kids or pets unattended in a car.
