CT Weather: Significant Ice Storm Leads To Watches, Advisories

CONNECTICUT — The National Weather Service has issued a winter weather advisory for southern Connecticut and a winter storm watch for Hartford, Tolland, Windham and Litchfield counties.

A prolonged ice storm is forecast that will begin Monday morning and could continue until Tuesday afternoon. The precipitation will be light for most of Monday and the ice is expected to be at its worst Monday night and into early Tuesday.

Temperatures will moderate on Tuesday and the frozen precipitation will end as plain rain across most of Connecticut.

Northern areas of the state could see significant icing, the weather service cautions.

Here are the latest advisories from the weather service based on where you are:

The I-95 corridor of both Fairfield and New Haven counties and interior sections of Middlesex County:

A winter weather advisory has been issued beginning 7 a.m. Monday and ending 7 a.m. Tuesday. Freezing rain expected. Total ice accumulations of around one tenth of an inch.

"Pockets of light freezing rain or freezing drizzle will produce a light glaze at times on Monday," the weather service said. "A steadier period of freezing rain can be expected Monday night before changing to rain."

Storm timeline:

Tonight: A chance of freezing rain and sleet, mainly after 4am. Cloudy, with a low around 29. Wind chill values between 20 and 25. Calm wind becoming north 5 to 8 mph in the evening. Chance of precipitation is 40%.

Washington's Birthday: Freezing rain and sleet likely, becoming all freezing rain after 7am. Cloudy, with a high near 32. Wind chill values between 20 and 25. North wind 7 to 9 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Little or no sleet accumulation expected.

Monday Night: Freezing rain. Low around 31. Wind chill values between 20 and 25. Northeast wind 8 to 11 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

Tuesday: Rain, mainly before 2pm. High near 39. Wind chill values between 25 and 35. Northeast wind 7 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Inland sections of Fairfield and New Haven counties:

A winter weather advisory is in effect from 7 a.m. Monday until 10 a.m. Tuesday. Freezing rain expected. Total ice accumulations of up to one quarter of an inch.

"Pockets of light freezing rain or freezing drizzle will produce a light glaze at times on Monday," the weather service said. "A steadier period of freezing rain can be expected Monday night before changing to rain."

Storm timeline:

Washington's Birthday: A chance of freezing rain and sleet before 7am, then freezing rain likely. Cloudy, with a high near 31. Wind chill values between 20 and 25. North wind around 5 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Little or no sleet accumulation expected.

Monday Night: Freezing rain. Low around 29. North wind 5 to 8 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.2 of an inch possible.

Tuesday: Freezing rain before 8am, then rain. High near 39. Northeast wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 100%. Little or no ice accumulation expected.

New London County and the coast of Middlesex County:

A winter weather advisory is in effect from 5 a.m. Monday until 5 a.m. Tuesday. Freezing rain expected. Total ice accumulations of around one tenth of an inch.

"Pockets of light freezing rain or freezing drizzle will produce a light glaze at times on Monday," the weather service said. "A steadier period of freezing rain can be expected Monday night before changing to rain."

Storm timeline:

Tonight: Freezing rain and sleet likely, mainly after 4am. Cloudy, with a low around 29. North wind 3 to 7 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Little or no sleet accumulation expected.

Washington's Birthday: Freezing rain likely, mainly before 7am. Cloudy, with a high near 32. Wind chill values between 20 and 25. North wind around 8 mph. Chance of precipitation is 70%. Little or no ice accumulation expected.

Monday Night: Freezing rain before 3am, then rain. Low around 32. Wind chill values between 25 and 30. North wind 8 to 10 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

Tuesday: Rain, mainly before 3pm. High near 43. East wind 7 to 11 mph becoming west in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Hartford, Tolland and Windham County:

A winter storm watch is in effect from Monday afternoon through Tuesday evening. Heavy mixed precipitation possible. Total snow accumulations of up to three inches and ice accumulations of up to half an inch possible.

"Power outages and tree damage are likely due to the ice," the weather service said. "Travel could be extremely difficult. The hazardous conditions could impact the morning or evening commute."

Storm timeline:

Washington's Birthday: A chance of snow and sleet before 5pm, then a chance of snow, freezing rain, and sleet. Cloudy, with a high near 33. North wind around 6 mph. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.

Monday Night: A chance of freezing rain and sleet before 1am, then freezing rain. Low around 30. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 80%. Little or no sleet accumulation expected.

Tuesday: Rain or freezing rain before 10am, then a chance of rain between 10am and 4pm. High near 34. North wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Litchfield County:

A winter storm watch is in effect from Monday afternoon through Tuesday afternoon. Heavy mixed precipitation possible. Total snow accumulations of up to 3 inches and ice accumulations between one tenth and one third of an inch possible.

Storm timeline:

Washington's Birthday
A chance of snow, mainly after 8am. Cloudy, with a high near 33. Northeast wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday Night
Snow, freezing rain, and sleet before 2am, then freezing rain, possibly mixed with sleet between 2am and 4am, then freezing rain after 4am. Low around 29. Northeast wind 3 to 6 mph. Chance of precipitation is 90%. New ice accumulation of around a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

Tuesday
Rain, freezing rain, and sleet before 1pm, then a slight chance of rain and snow between 1pm and 4pm, then a slight chance of snow after 4pm. High near 37. Northeast wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.