Heat Advisory issued July 21 at 3:55AM CDT until July 21 at 7:00PM CDT by NWS

...Dangerous Heat Expected Across the Tennessee Valley This Afternoon and Evening... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... * TIMING AND AREAS AFFECTED...For all of northwest Alabama and north central Alabama from noon through 7 PM CDT Friday.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2uP87qT