West Chester, Pennsylvania — A severe thunderstorm is moving northeast across southeastern Pennsylvania this afternoon, and the National Weather Service in Mount Holly, New Jersey has issued a Severe Thunderstorm Warning until 2:30 PM EST for southeastern Berks County, northwestern Montgomery County, and northeastern Chester County.

What is happening:

At 1:35 PM EST, the storm was near Glenmoore, about 14 miles northwest of West Chester, moving northeast at 20 mph. The storm is carrying quarter-size hail. A Tornado Watch remains in effect until 7:00 PM EST for eastern and southeastern Pennsylvania.

Local impacts:

Quarter-size hail can dent vehicles and damage roofs, siding, and windows. Communities in the storm's path include Pottstown, Phoenixville, Collegeville, Royersford, Trappe, Schwenksville, Elverson, Green Lane, Pughtown, Spring Mount, Glenmoore, Chester Springs, Gilbertsville, Cedarville, Skippack, Stowe, Boyertown, Spring City, Pottsgrove, and South Pottstown. The storm will also cross the Pennsylvania Turnpike between mile markers 303 and 312 and the Northeast Extension between mile markers 27 and 30.

What to do:

Move to an interior room on the lowest floor of a sturdy building.

Stay away from windows.

If you are driving, pull off the road and into a covered area if you can do so safely.

Keep clear of the storm until it has passed.

Source: National Weather Service, Mount Holly, New Jersey, November 12, 2026.