A heat advisory remains in effect for Cumberland Township and much of the Lower Susquehanna Valley as a dangerous heatwave grips the East Coast.
The National Weather Service issued an Extreme Heat Warning on Sunday afternoon, warning of oppressive conditions through 8 p.m. Wednesday, June 25. Heat index values — a measure of how hot it feels when humidity is factored in — could soar as high as 108 degrees, especially on Monday and Tuesday.
The warning covers Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon, Perry, and York counties.
Cumberland Township officials shared the alert via Savvy Citizen, urging residents to take immediate precautions.
With overnight lows in the 70s, minimal relief is expected after sundown, posing an increased risk for heat-related illnesses. Vulnerable populations — including children, seniors, and those with chronic health issues — are especially at risk during extreme heat events. Residents are encouraged to stay hydrated, avoid direct sunlight, seek air-conditioned environments, and check on neighbors and relatives. Pets should be given ample water and protection from the sun.
The current heatwave is part of a broader system affecting much of the Eastern U.S., bringing sweltering temperatures and high humidity from the Carolinas to New England.
For updates, visit the National Weather Service or local emergency management websites.
Source: Cumberland Twp, National Weather Service