Harrisburg, Pennsylvania – Storms are set to return to central Pennsylvania Thursday afternoon, with heavy downpours, lightning, and localized flooding possible during peak commute hours.
According to the National Weather Service in State College, showers and thunderstorms will begin developing after 3 p.m. Thursday, primarily affecting areas along and east of U.S. Route 11, including Cumberland, Perry, and Dauphin counties. Rainfall could exceed a half-inch in spots, with isolated cells capable of producing strong gusts and poor drainage flooding. Drivers are advised to allow extra time during the evening rush and avoid flooded roadways.
Thursday’s high will reach 85°F under humid conditions before storms move in. Conditions clear rapidly overnight, setting up a pleasant and dry stretch through the weekend. Sunshine returns Friday with highs near 86°F and calmer winds, making it an ideal setup for outdoor plans.
Mount Holly Springs, York, and Harrisburg can expect dry skies from Friday through Sunday, with temperatures hovering in the mid-to-upper 80s and cooler nights in the upper 60s. A slight chance of storms returns Tuesday, but the overall pattern favors drier, calmer weather.
More showers are possible next Tuesday, but the probability for hazardous weather remains low after Thursday. Residents are urged to check for updates and use weather apps or NOAA radios to stay alert.
FIVE-DAY FORECAST: MOUNT HOLLY SPRINGS, PA
- Wednesday, August 13: Scattered thunderstorms (80%), high 87°F
- Thursday, August 14: Storms likely after 3 PM (30%), high 85°F
- Friday, August 15: Sunny, high 86°F, low 68°F
- Saturday, August 16: Mostly sunny, high 86°F
- Sunday, August 17: Mostly sunny, high 89°F
