The National Weather Service has issued a warning for scattered showers and thunderstorms across Massachusetts on Sunday evening, with the possibility of gusty winds and hail until 11 p.m. Following this, temperatures are expected to drop into the low to mid 50s overnight. On Monday, the weather will warm up significantly, with highs ranging from the mid 70s to low 80s, although coastal areas will remain cooler, peaking in the upper 60s to low 70s. Monday night will see lows in the upper 40s to mid 50s, leading into a hot Tuesday with highs in the upper 80s to low 90s. Wednesday will bring a similar pattern, with temperatures reaching the mid 80s to low 90s before rain and thunderstorms are expected to move in from the west, impacting the Berkshires around 2 p.m. Showers will spread across the state later in the evening. Coastal regions will remain cooler throughout the week, with highs in the mid to upper 70s and lows in the low to mid 60s.