New Jersey, Pennsylvania Heat Advisory | Effective 05/17/2026 23:52

Headline: 
Heat Advisory issued May 18 at 2:52AM EDT until May 19 at 8:00PM EDT by NWS Mount Holly NJ
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
May 17, 2026 - 11:52pm
Expires: 
May 18, 2026 - 1:15pm
Description: 
* WHAT...Heat index values up to 97 degrees expected. * WHERE...In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From noon today to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Record setting temperatures possible through Wednesday. Tuesday will likely be the hottest day with highs in the mid 90s throughout the urban corridor.
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: 
Mercer; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Montgomery; Lower Bucks
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov