A stormy day -- heavy rains, possible thunderstorms -- is in store today for southwestern Connecticut, the National Weather Service warns.

After a brief period this morning when isolated storms move through the region, the threat of storms increases with after 1 p.m. Some of the storms could trigger heavy rain, the NWS says. The daytime high temperature will be about 72 degrees, with a south wind between 8 and 11 mph.

Tonight, showers and thunderstorms are likely before 9 p.m., with downpours and strong winds possible. Skies will be cloudy, with a west wind around 14 mph, with gusts as high as 25 mph. The low temperature will be about 50 degrees.

Saturday will be party sunny, with a high temperature high near 65, the NWS says. It will be breezy, with a west wind between 14 and 21 mph, with gusts as high as 32 mph. The temperature will fall to around 48 degrees overnight, with a west wind around 17 mph, gusting as high as 28 mph.

Sunday should be mostly sunny, with a high near 65 degrees. It will be breezy again, with a west wind between 16 and 20 mph. Scattered showers are possible Sunday night, mainly after 11 p.m. with a low of about 50 degrees.

Scattered showers are also possible Monday morning before 11 a.m., the weather service predicts. Otherwise, it will be partly sunny, with a high near 65 degrees.