Active Alerts Althouses, PA

Know the signs of heat stress. Drink plenty of water. Use airconditioning or go to air conditioned spaces.

* WHAT...Heat index values up to 100 expected.* WHERE...Central Pennsylvania.* WHEN...From noon Tuesday to 8 PM EDT Thursday.* IMPACTS...Hot temperatures and high humidity may causeheat-related illnesses.* ADDITIONAL DETAILS...The heat wave is expected to continue intothe weekend with the hottest temperatures of the summer so far.The longevity of the heat wave has not been experienced in decadesduring the month of June.