Technical discussion: a very cold blow of air will arrive tonight, but the weather is calm until Thanksgiving! | Technical discussion


As a storm develops east of New England, a northwesterly flow will provide a gust of very cold air tonight and tomorrow! Temperatures will drop into the 1940s and then into the 1930s tonight, and overnight lows will be between mid and upper 20 degrees. Wind chill at dawn will be in teens and 20s! The sky will become clear tonight.

Tomorrow will be pretty sunny, but it will look a lot more like mid-December! Peaks will range from the mid 1930s in the Litchfield Hills to the lower 1940s along the I-95 corridor. In the Greater Hartford area, highs will be around 40 degrees. However, a north-northwest wind will be gusting to 20-30 mph, and therefore wind chills will be in the 20s much of the day. Bundle up!

Tomorrow the night will be clear and the wind will ease. All the ingredients will be in place for a very cold night. Mercury will drop to 15-25 statewide by morning.


We can expect a 2 day period of very calm weather which is great news if you have travel plans in the North East! With the high pressure in place, Wednesday will be sunny and the wind will be light. After a frosty morning, temperatures will reach 40 degrees during the afternoon.

Wednesday night will be clear, calm and cold with lows in the 20s to near 30s.

Thanksgiving Day will be characterized by sunny skies in the morning, then a veil of high clouds can arrive at some point during the afternoon. The wind will be light and the afternoon hours will be a little more comfortable with highs of 50-55.

An approaching cold front will spread rain across the state by Thursday evening. Temperatures will remain above zero across most of the state.


The front will sweep through Connecticut on Friday morning with a series of rains that can mix with sleet and snow before ending in the early afternoon. We should see a partial clearing later today, but a northwesterly wind will strengthen and bring another breath of cold air. Highs will be in the 40s on Friday, then temperatures will drop into the upper 20s by Friday night.


If you have plans to travel to the Northeast this weekend, the weather won’t slow you down. However, you will need to regroup. Saturday will be partly sunny, windy and cold. The peaks will range from the 1930s in the Litchfield Hills to 40-45 elsewhere.

Sunday will be mostly sunny, windy and cold. Morning lows will be in the 20s, and afternoon highs will only be in the upper 30s and lower 40s.


Quiet weather will continue through Monday. The day promises to be rather sunny with a lighter wind. However, the air will remain cold with lows in the 20s and highs in the 40s at best.

Chief Meteorologist Bruce DePrest

“Copyright 2021 WFSB (Meredith Corporation). All rights reserved”

Copyright 2021 WFSB (Meredith Corporation). All rights reserved

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