The region should get one more day of sunshine before thunderstorms and heavy rain arrive, bringing possible flooding, forecasters said.
Heavy rain is “more likely in Western Massachusetts tomorrow and … more likely for the eastern part of the state” on Thursday, said National Weather Service meteorologist Bill Simpson.
Today should be sunny, with high temperatures rising into the mid-80s. Clouds are expected to roll in this evening as low temperatures drop to 65 degrees. Wind gusts could reach up to 29 miles per hour overnight.
Humidity should increase Wednesday, with partly cloudy skies and a high temperatures in the high 80s. Wind gusts of up to 28 miles per hour are likely. Thunderstorms are possible before 7 p.m. and again after 10 p.m., with a slight chance of showers in between. Heavy rain is possible overnight as temperatures drop into the upper 60s.
“Torrential downpours ... dropping upwards of an inch in a relatively short period of time” are likely after 2 p.m. Thursday, Simpson said. High temperatures should increase to 80 degrees. Rain is expected to continue into the evening as low temperatures sink into the mid-60s overnight.
By Friday the sun should be back, with high temperatures near 75 degrees. Clouds should arrive in the evening. Low temperatures should drop to 60 degrees.
“The weekend looks pretty good,” Simpson added.