The National Weather Service issued a severe thunderstorm warning for portions of central and western Massachusetts as well as northern Connecticut and southern New Hampshire. The warning will be in effect from nine p.m. Sunday.
Worcester, Berkshire, Franklin, Hampden and Hampshire counties in Massachusetts will be affected. Hartford, Tolland and Windham counties in Connecticut received the warning as well, as did Cheshire and Hillsborough counties in New Hampshire.
The storms will bring heavy rain, strong winds and possible hail. The Boston area will see strong thunderstorms late Sunday afternoon and Sunday evening.
Storms were moving at about 25 mph with 60 mph winds and produced hail the size of quarters, the NWS reported.
A severe thunderstorm warning was also issued for eastern Cumberland County, Dauphin County, Lebanon County, eastern Perry County and Northern York County in Pennsylvania until 4:30 p.m.
A severe thunderstorm watch is in effect for Central Pennsylvania until nine p.m.
The NWS also issued a severe weather alert for Delaware County and its surrounding area until about 3:45 p.m. Sunday. A severe thunderstorm watch is in effect until nine p.m. The storm may result in large hail and 60 mph winds, the NWS said.