Pennsylvania Moderate Special Weather Statement | Effective 08/20/2026 10:14
Thunderstorms developing from Southern Huntingdon County, south
along the Interstate 70 corridor at 115 PM will move east at 35
to 40 mph and strengthen during the mid afternoon as they move
along the Interstate 76 and 81 corridors and approach the Lower
Susquehanna Valley, including the Greater Harrisburg, York areas
between 230 PM and 3 PM.
This line of potentially severe thunderstorms will cross much of
Schuylkill, Lebanon and Lancaster Counties between 245 PM and 415
PM.