Headline:
Heat Advisory issued May 19 at 3:26AM EDT until May 20 at 8:00PM EDT by NWS Mount Holly NJ
Event:
Heat Advisory
Urgency:
Expected
Effective:
May 19, 2026 - 12:26am
Expires:
May 19, 2026 - 1:30pm
Description:
* WHAT...Heat index values up to 98 degrees expected.
* WHERE...In Delaware, New Castle County. In New Jersey, Mercer,
Camden, Gloucester, and Northwestern Burlington Counties. In
Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower
Bucks, and Philadelphia Counties.
* WHEN...Until 8 PM EDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...Record setting high temperatures are quite
possible through Wednesday, with maximum heat indices nearing 100
degrees during peak heating each afternoon. Given the intensity of
this early season stretch of heat and humidity, we are not
acclimated to it yet and therefore impacts could be greater if
precautions are not taken. Showers and some thunderstorms arrive
later Wednesday afternoon and evening which will break this early
season heat.
Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Area Description:
New Castle; Mercer; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks
Forcast Office:
NWS Mount Holly NJ
Sender: