* WHAT...Heat index values up to 100 degrees expected. * WHERE...In New Jersey, Morris, Sussex, Warren, and Hunterdon Counties. In Pennsylvania, Berks, Lehigh, Northampton, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From 10 AM this morning to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Warm and very humid conditions at night will not offer much relief from the heat and humidity.
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.
AI Weather Forecast · Thursday, August 6, 2026
7 AM – 6 PM
Patchy fog before 10am, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 91. Heat index values as high as 101. Southwest wind 2 to 8 mph. Chance of precipitation is 40%.
6 PM – 6 AM
A chance of showers and thunderstorms before midnight, then patchy fog and a slight chance of showers and thunderstorms. Some of the storms could produce heavy rain. Partly cloudy, with a low around 73. Heat index values as high as 97. Southwest wind 2 to 7 mph. Chance of precipitation is 40%.