Connecticut Weather: Odds Rise For Accumulating Snow On Christmas

There's a lot going on with the latest holiday weekend weather forecast for Connecticut. A Winter Weather Advisory is in effect Friday into Saturday for the entire state except for the immediate coastline. A minor accumulation of snow and ice is expected Friday afternoon and evening for all areas except the immediate coast.

Travel on Friday night for much of the state may be very slippery. And as Santa Claus kicks it into high gear on Christmas Eve, snow is now expected for Connecticut, and chances are increasing that it may accumulate. The snow is expected to begin late Sunday and end late morning on Christmas Day.

NBC Connecticut Meteorologist Ryan Hanrahan said this evening "Some snow for Christmas morning! Doesn't look like a big storm but accumulating snow is becoming more likely." Hanrahan has been discussing the possibility of snow on Christmas the past few days.

WTNH News 8 Meteorologist Fred Campagna said, "A few days to go, and likely more computer model twists and turns. Latest Euro model would have a "nice" white Christmas with snow arriving around midnight and ending by late-morning. Not a big storm, but enough to make it pretty in most of Southern New England."

"A true white Christmas is defined as an inch of snow on the ground. The latest EPS run suggests that the storm on Christmas day has a 50-70% chance of 1", and a 10-30% chance of 3" in CT," Campagna added.

As for the more immediate concern, the National Weather Service says for inland sections of Fairfield, New Haven, Middlesex, and New London counties to expect freezing rain after 1 p.m. Friday which is expected to impact the evening commute. Some snow and ice may accumulate on roadways.

For Hartford and Tolland counties on Friday, the weather service says an inch of snow and ice may accumulate beginning Friday afternoon and lasting until late Saturday morning.

On the coast, there may be a brief mix of snow, sleet and rain around midday Friday but it will quickly change to rain and it could be heavy at times.

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Here is the updated holiday weekend forecast for the immediate Connecticut coast from Greenwich to Stonington via the National Weather Service:

Tonight: Increasing clouds, with a low around 26. Northwest wind around 6 mph becoming light and variable after midnight.

Friday: A slight chance of rain, snow, and sleet between 11am and 2pm, then a chance of rain. Cloudy, with a high near 39. Wind chill values between 20 and 30. Northeast wind 6 to 8 mph. Chance of precipitation is 40%.

Friday Night: Rain likely before 2am, then a chance of drizzle between 2am and 5am, then rain likely with a chance of drizzle after 5am. Cloudy, with a low around 36. Northeast wind 5 to 7 mph becoming northwest in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday: Rain. High near 50. Wind chill values between 30 and 40 early. North wind around 9 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday Night: Rain likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Northwest wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday: Mostly sunny, with a high near 42.

Sunday Night: A chance of rain before 11pm, then a chance of rain and snow between 11pm and 1am, then snow likely after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

Christmas Day: A 50 percent chance of snow before 1pm. Partly sunny, with a high near 36. Breezy.

Here is the updated holiday weekend forecast for the inland sections of Fairfield, New Haven, Middlesex, and New London counties:

Tonight: Increasing clouds, with a low around 21. North wind around 5 mph becoming calm in the evening.

Friday: A chance of snow before 1pm, then a chance of snow, freezing rain, and sleet between 1pm and 4pm, then rain, snow, and freezing rain likely after 4pm. Cloudy, with a high near 35. Wind chill values between 15 and 25. Northeast wind 5 to 7 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

Friday Night: Rain, snow, and freezing rain likely before 1am, then a chance of freezing drizzle between 1am and 4am, then freezing rain likely after 4am. Cloudy, with a low around 32. North wind 3 to 6 mph. Chance of precipitation is 70%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

Saturday: Rain, possibly mixed with freezing rain, becoming all rain after 9am. High near 42. Wind chill values between 25 and 35. Northeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%. Little or no ice accumulation expected.

Saturday Night: Rain likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 31. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday: Mostly sunny, with a high near 39.

Sunday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.

Christmas Day: A 50 percent chance of snow before noon. Partly sunny, with a high near 32.

Here is the updated holiday weekend forecast for Hartford, Tolland counties via the National Weather Service:

Tonight: Increasing clouds, with a low around 21. Northwest wind around 6 mph becoming calm in the evening.

Friday: Snow likely before 5pm, then snow and sleet likely. Cloudy, with a high near 33. Northeast wind 3 to 6 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.

Friday Night: Freezing rain and sleet likely, becoming all freezing rain after 8pm. Cloudy, with a low around 32. North wind 3 to 6 mph. Chance of precipitation is 70%. Little or no sleet accumulation expected.

Saturday: Freezing rain likely before 10am, then rain likely. Cloudy, with a high near 40. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night: Rain likely before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.

Sunday: Partly sunny, with a high near 40.

Sunday Night: A chance of rain before 9pm, then snow. Low around 29. Chance of precipitation is 80%.

Christmas Day: Snow likely, mainly before 10am. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.