The National Weather Service (NWS) has upped its prediction for possible snow accumulation in Shelton, with 3 to 7 inches now possible. An earlier forecast had said from 2 to 6 inches of snow could fall. The snow should begin after 12 o\u2019clock noon on Friday, and 2 to 4 inches may fall in the afternoon, the NWS said. That\u2019s an increase in how much snow could fall during daylight hours, and should lead to a messy evening commute home. The temperature will be right around the freezing mark (32 degrees) at the time. The current NWS forecast makes no mention of the possibility of sleet, freezing rain, or rain. In the evening, the snow should continue until about midnight, with another 1 to 3 inches of snow possible. The overnight low will be about 29 degrees in Shelton. More snow south of here The NWS has issued a Winter Weather Advisory for much of the tri-state area, including Fairfield and New Haven counties. The advisory for the wider region calls for 3 to 6 inches of snow, \u201cwith locally higher amounts possible.\u201d This storm track is centered south of Connecticut, so the northern part of the state \u2014 such as Litchfield County and the Hartford area \u2014 should get less snow that the southern part. Parts of New Jersey and Pennsylvania may get the most snow. Weekend forecast The snow will be end before the weekend officially begins Here is the NWS prediction for Shelton for the weekend:. Saturday:\u00a0 Partly sunny, with a daytime high near 40 degrees and overnight low of 28 degrees. Sunday:\u00a0 Mostly sunny, with a high around 35 degrees and nighttime low of 28 degrees.