A slight warming trend starts today in southwestern Connecticut, with temperatures approaching the freezing mark for the first time in several days.

The National Weather Service says the daytime high temperature will be in the upper-20s today, with a northwest wind 7 to 15 mph.

Tonight will be mostly clear, with the temperature plunging to a low of about 10 degrees and a northwest wind 8 to 13 mph.

Tomorrow will be sunny, with a high temperature in the low-30s and a northwest wind 8 to 11 mph. Clouds move in tomorrow night and the temperature will fall to a low in the upper-teens.

On Monday, snow is likely, the NWS says, after noontime. Skies will be cloudy and the temperature will rise to the mid-30s. Chance of precipitation is 70 percent.

Nighttime brings a chance of mixed precipitation -- rain, snow and sleet -- that is expected to change to all rain after midnight. The temperature will hit a low in the lower-30s; the odds of precipitation are rated about 50 percent.

On Tuesday, there is a chance of rain, as the temperature rises to a high in the mid-40s. Chance of precipitation is 30 percent. Showers are possible Tuesday night, with a low temperature about 40 degrees.

The outlook for Wednesday, according to the weather service, is cloudy, possible rain and temperatures in the 40s.