Heat Advisory issued August 21 at 3:14PM EDT until August 22 at 8:00PM EDT by NWS

...INCREASING HEAT AND HUMIDITY TUESDAY... ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Heat Advisory, which is in effect from 1 PM to 8 PM EDT Tuesday. * HEAT INDEX VALUES...Up to 100 due to temperatures around 90, and dewpoints in the lower 70s.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2v8mx2b