Winter Weather Advisory Issued For Thursday: CT Weather

CONNECTICUT — On Wednesday morning, the National Weather Service issued a Winter Weather Advisory for the entire state of Connecticut except for the immediate coast.

For interior sections of southern Connecticut, the weather service says, "Mixed precipitation expected. Ice accumulations of around one tenth of an inch and up to one inch of sleet. From 11 PM this evening to 10 AM EST Thursday. Plan on slippery road conditions. The hazardous conditions could impact the morning commute.

For Hartford, Tolland and Windham, the weather advisory is in effect until 1 p.m. Thursday. "Mixed precipitation expected. Total snow accumulations of up to two inches and ice accumulations of up to one tenth of an inch. Plan on slippery road conditions. The hazardous conditions could impact the morning commute.

For Litchfield County, the weather advisory is in effect until 4 p.m. Thursday. "Mixed precipitation expected, including snow, sleet and freezing rain. Total snow accumulations of up to two inches and ice accumulations of up to two tenths of an inch. Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning commute. Mixed precipitation will change to light rain or drizzle Thursday afternoon."

And for the immediate coast, a hazardous weather outlook is in effect, with the weather service saying, "Travel may be impacted late Wednesday night into Thursday morning due to a wintry mix of sleet and freezing rain."

CONNECTICUT — If you're traveling along the Interstate 95 corridor prior to 7 a.m. Thursday you may have to contend with a mixture of rain and sleet. After 7 a.m. Thursday, the mixed precipitation is expected to turn to plain rain for the remainder of Thursday and Friday along the immediate coast.

Inland sections of southern Connecticut and Hartford, Tolland, Windham, and Litchfield county may see mixed precipitation up until noon Thursday before the change to plain rain, according to the newest updates from the National Weather Service.

As this forecast has evolved, one noticeable change over the past 24 hours is that snow is no longer a major factor in this storm. This storm is all about ice, especially away from the coast. No snow is expected to accumulate Thursday.

The National Weather Service has issued a hazardous weather outlook for southern Connecticut saying, "Travel may be impacted late Wednesday night into Thursday morning due to a wintry mix of sleet and freezing rain."

For northern Connecticut, the weather service says, "High confidence in a wintry mix that will impact the Thursday morning commute across most of southern New England. While snow, sleet and freezing rain amounts will not be a significant, untreated roads will be slippery. Winter Weather Advisories will be needed ... A stronger storm will bring the potential for heavy rain and street flooding Thursday night..."

On Wednesday, we can expect temps into the mid 40s by afternoon but temps will fall quickly after sunset, the weather service states.

Southern Connecticut Forecast Details For Thursday

The weather service says "As this low nears the forecast area a wintry mix of sleet and freezing rain will be possible in the early morning hours."

"A trace to 0.10 inches of freezing rain could be possible. The good news is that the transition to all rain is relatively quick by the late morning and early afternoon...," the weather service says for southern Connecticut.

Then moderate to heavy rain is forecast for southern Connecticut Thursday night and it could lead to isolated flooding concerns. Rainfall totals around 1.5 to 2.5 inches will be possible with isolated areas seeing higher amounts. The rain ends by noon Friday.

Northern Connecticut Forecast Details For Thursday:

In northern parts of Connecticut, mixed precipitation is forecast to begin after 2 a.m. Thursday.

"So the forecast will reflect a messy start to the (precipitation), with snow/sleet north of the Mass Pike and rain/sleet to the south. Could be some freezing rain in the transition zone in the south," the weather service says.

Freezing rain is forecast to be falling during the morning commute Thursday.

"The timing could be problematic for the Thursday morning commute," the weather service cautions.

"By mid morning, the threat of freezing rain should come to an end for the coastal plains as surface temperatures warm above freezing and winds shift to the east.... a few hundredths of an inch of ice is possible in the coastal plains with up to two tenths of an inch possible in the interior high elevations," the weather service says.

Heavy rain is forecast for Thursday night and Friday morning. Up to two inches of rain is possible. It is possible that the precipitation on Friday morning could end as some freezing rain and or snow too.

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Timeline Of Mixed Precipitation and Rain at the CT Coast:

Wednesday Night: A chance of rain, snow, and sleet before midnight, then rain and sleet likely between midnight and 4am, then freezing rain and sleet likely after 4am. Cloudy, with a low around 32. Wind chill values between 25 and 30. East wind 6 to 11 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

Thursday: Freezing rain and sleet before 7am, then rain and sleet between 7am and 8am, then rain after 8am. High near 46. Wind chill values between 25 and 35 early. East wind 8 to 13 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New sleet accumulation of less than a half inch possible.

Thursday Night: Rain. Steady temperature around 42. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Friday: Rain, mainly before 3pm. High near 47. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Timeline For Interior Sections Of Southern Connecticut:

Wednesday Night: A chance of snow, freezing rain, and sleet between 10pm and 3am, then freezing rain and sleet likely. Mostly cloudy, with a low around 29. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

Thursday: Freezing rain and sleet before 10am, then rain and sleet between 10am and 11am, then rain after 11am. High near 44. Wind chill values between 25 and 35. East wind 5 to 7 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.

Thursday Night: Rain. Steady temperature around 42. East wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Friday: Rain, mainly before 4pm. Steady temperature around 41. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Timeline For Northern Sections Of CT:

Wednesday Night: A chance of snow and sleet between midnight and 4am, then freezing rain and sleet likely. Mostly cloudy, with a low around 28. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.

Thursday: Rain, freezing rain, and sleet before 10am, then freezing rain between 10am and 11am, then rain likely after 11am. High near 36. Northeast wind 3 to 7 mph. Chance of precipitation is 80%. Little or no sleet accumulation expected.

Thursday Night: Rain. Low around 35. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 90%.

Friday: Rain before 5pm, then rain likely, possibly mixed with snow. High near 38. Northeast wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night: A chance of snow before 9pm.