Sunny skies this morning could give way to clouds later today in southwestern Connecticut, with a slight chance of showers and thunderstorms this afternoon.

The National Weather Service says the odds of precipitation -- rated at about 20 percent -- are greatest after 1 p.m.

Meanwhile, the daytime high temperature will rise to the upper-70s, with a west wind increasing to between 11 and 14 mph.

Tonight, there is a 40 percent chance of showers as clouds move in with the temperature dipping to a low in the mid-50s and a northwest wind between 5 and 11 mph.

The weather service has also issued an advisory warning of the potential for minor coastal flooding tonight as high tides crest about 11 p.m.

Tomorrow, there is a chance of showers in the morning, with the odds of precipitation -- and possibly a thunderstorm -- increasing after 11 a.m. Skies will be cloudy and the high temperature will be in the mid-60s. Showers and thunderstorms are possible tomorrow night, with a low temperature about 50 degrees., the NWS says.

On Tuesday, there again is a chance of showers, skies will be cloudy and the high temperature will be in the mid-60s. Unsettled conditions are forecast for Tuesday night and temperatures will be in the low-50s.

The outlook for Wednesday, according to the weather service, is for a chance of afternoon showers, clouds and temperatures in the mid-60s.