Extreme Heat Warning

* WHAT...Dangerously hot conditions with heat index values between 100 and 110 degrees expected each day.

* 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 noon Wednesday to 8 PM EDT Saturday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* ADDITIONAL DETAILS...Very warm low temperatures in the low to mid 70s at night will not offer any relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity. The hottest conditions are expected to occur Thursday through Friday.