Excessive Heat Warning issued June 20 at 2:17PM MST until June 23 at 8:00PM MST by NWS

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST FRIDAY... * AFFECTED AREA...Marble and Glen Canyons and Yavapai County valleys and basins. * TEMPERATURE...106 to 118 degrees. Hottest days Today and Wednesday.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2rNUaZm