The work week starts on an unsettled note in southwestern Connecticut, with a periodic potential for rain and thunderstorms through Wednesday.

The National Weather Service says that today there is a chance of showers and thunderstorms, mainly after 4 p.m. Otherwise. skies will be partly sunny, with a high temperature near 87 degrees. There will be a northwest wind between 7 and 10 mph.

Tonight, there remains a chance of showers and thunderstorms, mainly before 7 p.m. It will be cloudy, with a low around 70.

Tomorrow is expected to be partly sunny, with a high near 81. By tomorrow night, there is renewed potential for showers and thunderstorms. The overnight low temperature should be about 70 degrees.

On Wednesday, the NWS says showers -- possibly a thunderstorm -- are likely before 9 a.m., with the potential for more unsettled weather throughout the day. Skies will be mostly cloudy, with a high temperature near 80 degrees, the weather service predicts.