Thunderstorms, Unsettled Weather Forecast For CT: Here's When, What To Expect

CONNECTICUT — We’re looking at an unsettled weather pattern beginning Wednesday night and running through Sunday.

Rain and thunderstorms are possible beginning early Thursday and continuing throughout the day and night, and then more rain enters the picture on Sunday. In between, Friday and Saturday look like nice, sunny and warm days.

WFSB 3 TV Chief Meteorologist Mark Dixon with Scot Haney said that on Wednesday “a storm system from the west will get closer.”

“Cloud cover increases tonight in advance of a warm front that will bring showers to CT by tomorrow morning’s commute,” Dixon and Haney said. “Thereafter, there will be a lull with a noticeable uptick in humidity as dew point values get closer to 70. Then, during the afternoon and evening hours, as a cold front pushes into Southern New England, isolated thunderstorms will be possible. Between the rounds, we’re expecting 0.25-0.50″ of rain with locally higher amounts if/where thunderstorms develop. We’re not expecting flooding concerns as CT is no longer part of the excessive rain outlook from the Weather Prediction Center. Fortunately, the rain will help water our yards and gardens; it will also help cleanse the air of all the pollen! Behind the system: a downturn in humidity as we close out the week. Friday, we should see plenty of sunshine with highs between 75 and 80. With lingering instability aloft in tandem with daytime heating, an isolated afternoon shower can’t be ruled out.”

Weekend forecast details

“As of this morning, there only appears to be a slight chance for a shower to pop up Saturday afternoon. Sunday, showers look possible (but it won’t be a washout),” Haney and Dixon said. “…If you have outdoor plans this weekend, don’t cancel them… but you may want to have a “plan b” ready to go.” (Read/watch more at WFSB 3 TV).

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Here are the forecast details for southern Connecticut via the National Weather Service:

Today: Areas of fog before 11am. Otherwise, partly sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the morning.

Tonight: A 50 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. South wind around 7 mph.

Thursday: Showers and possibly a thunderstorm. High near 76. South wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming light and variable in the evening.

Friday: Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.

Friday Night: Partly cloudy, with a low around 60.

Saturday: Mostly sunny, with a high near 78.

Saturday Night: Partly cloudy, with a low around 60.

Sunday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 77.

Sunday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 58.

Here are the forecast details for northern Connecticut via the National Weather Service:

Today: Mostly sunny, with a high near 87. South wind 5 to 11 mph.

Tonight: A chance of showers, mainly after 3am. Increasing clouds, with a low around 66. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday: Showers and thunderstorms before noon, then a chance of showers between noon and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 77. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night: Showers likely and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 62. South wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 82. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%.

Friday Night: A chance of showers, mainly before 7pm. Partly cloudy, with a low around 57. West wind 3 to 7 mph. Chance of precipitation is 30%.

Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 76. West wind 5 to 11 mph. Chance of precipitation is 30%.

Saturday Night: A chance of showers before 8pm. Partly cloudy, with a low around 57. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

Sunday: A chance of showers after 7am. Partly sunny, with a high near 76. West wind 6 to 10 mph. Chance of precipitation is 40%.

Sunday Night: A chance of showers before 10pm. Partly cloudy, with a low around 55. West wind 3 to 7 mph. Chance of precipitation is 30%.