Local heavy rainfall may reach 2 inches, with possible thunderstorms reaching Boston in the late afternoon, forecasters said.

The areas that will be impacted include Lowell, Lynn, Lawrence, Haverhill, Peabody, Methuen, Salem, Billerica, Beverly, Woburn, Chelmsford, Andover, Dracut, Tewksbury, Gloucester, North Andover, Saugus, Danvers, Wakefield, and Reading.

The National Weather Service has issued a severe thunderstorm watch for part of Connecticut through 9 p.m. Sunday. The watch in Connecticut included Hartford, Tolland and Windham counties,