Excessive Heat Warning issued July 19 at 9:35PM EDT until July 20 at 8:00PM EDT by NWS Wilmington (details ...)
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
* HEAT INDEX VALUES...105 to 110 on Saturday due to temperatures
in the mid 90s and dewpoints in the mid 70s.
* TIMING...Through Saturday evening. Very little relief is
expected tonight with low temperatures only falling into the
middle and upper 70s.
* IMPACTS...Heat stroke, heat exhaustion and other heat related
illnesses will be possible, especially if you spend a
significant amount of time outdoors, or are involved in any
strenuous outdoor activity. The cumulative impacts of heat on
the human body can be significant when consecutive days of
excessive heat occur.