Heat Advisory

Locations Affected

Philadelphia, PA ∙ Trenton, NJ ∙ Camden, NJ ∙ Wilmington, DE ∙ Riverton, NJ ∙ Florence, NJ ∙ Marshallton, PA ∙ Hamilton Square, NJ ∙ Devon, PA ∙ Bear, DE

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 357 AM EDT Sat Jun 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 98 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...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. 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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