Heat Advisory

Locations Affected

Philadelphia, PA ∙ Allentown, PA ∙ Reading, PA ∙ Trenton, NJ ∙ Bethlehem, PA ∙ Camden, NJ ∙ Wilmington, DE ∙ Vineland, NJ ∙ New Brunswick, NJ ∙ Perth Amboy, NJ

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1208 PM EDT Sun Jul 5 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 100 expected. * WHERE...Portions of central and southern New Jersey. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Temperatures and heat indices will not be quite as high today as the past couple days. However impacts are still expected especially given the long duration of high temperatures and humidity. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

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