Heat Advisory issued July 23 at 10:14AM CDT until July 23 at 8:00PM CDT by NWS

...DANGEROUS HEAT AND HUMIDITY THROUGH SUNDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * TEMPERATURE...High temperatures are expected to be in the mid 90s this afternoon across parts of eastern Oklahoma and western Arkansas, with dangerous heat index values in the 103 to 107 degree range.

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