Weather Alerts For Lancaster, PA

# HEADLINE -------------------- EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING # DETAILS -------------------- WHAT Dangerously hot conditions with heat index values between 105 and 110. WHERE A portion of central Pennsylvania. WHEN From Wednesday afternoon through Friday evening. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. ADDITIONAL DETAILS Long duration extreme heat risk with little to no overnight relief. ISSUED AT Monday, June 29, 2026 at 1:20 PM EDT ISSUED BY National Weather Service State College PA HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay out of the sun, and stay in an air-conditioned room. # AREAS AFFECTED -------------------- Cumberland, Northumberland, Southern Clinton, Adams, Columbia, Dauphin, Franklin, Fulton, Huntingdon, Juniata, Lancaster, Lebanon, Mifflin, Montour, Perry, Schuylkill, Snyder, Southern Centre, Southern Lycoming, Union, York Including the cities of Lebanon, Lock Haven, Huntingdon, Bloomsburg, Hershey, McConnellsburg, Newport, Danville, Selinsgrove, State College, Shamokin, Lewistown, Gettysburg, Sunbury, Lewisburg, Harrisburg, Carlisle, Berwick, Pottsville, Williamsport, Chambersburg, Lancaster, Mifflintown, Mount Union, and York