215am Monday January 17 2011

Today… Bright sunshine, fading at the end of the day as high clouds show up in the southwestern sky. Very cold with highest temperatures from the upper 10s to very low 20s. Light winds.

Tonight… Mostly cloudy. Temperature holding near 20 early then rising through the 20s. Light east wind.

Tuesday… Overcast. Snow developing from south to north between sunrise and 900am, accumulating from a coating to 2 inches in the Boston area except 2 to 4 inches outside Route 128 in areas north of the Mass Pike and possibly 4 to 6 inches outside Route 495 mainly north of the Mass Pike. Snow changing to sleet & rain from southeast to northwest across the region midday through afternoon, but a period of freezing rain is possible especially in the Merrimack & Nashoba Valleys. Highs will climb into the 30s but may remain right near the freezing mark in valley areas northwest of Boston.

Tuesday night… Overcast with periods of rain. Icing should come to an end where it occurs as temperatures range from the middle to upper 30s.

Wednesday… Mostly cloudy with some lingering rain showers or drizzle in the morning. Becoming partly sunny in the afternoon with increasing northwest winds. High temperatures right around 40 through the morning, then cooling through the 30s during the afternoon.

Thursday… Mostly sunny & chilly with a high near 30.

Friday… Chance of light snow or flurries in the morning followed by clearing. High in the upper 20s.

Saturday… Mostly sunny. High in the upper 20s.

Sunday… Chance of snow. High in the middle 20s.