Excessive Heat Warning issued June 20 at 8:44AM MST until June 24 at 7:00PM MST by NWS

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM MST SATURDAY... * IMPACTS...The very hot temperatures will significantly increase the potential for heat related illness for those working or exercising outdoors during the daytime, or for those without access to adequate air conditioning.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2tJA5zY