Perry County

Heat Advisory issued June 11 at 8:11AM EDT until June 12 at 8:00PM EDT by NWS State College PA

* WHAT...Heat index values up to 103 degrees expected. * WHERE...Adams, Cumberland, Dauphin, Lancaster, Lebanon, and York Counties. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Some showers and thunderstorms this afternoon and Friday may provide local relief from the heat, but it will remain very humid. It will then turn much less humid this weekend in the wake of a cold front, but temperatures will remain above normal.