Thunderstorms Return To Forecast As Heat Wave Rolls On In CT

CONNECTICUT — A heat advisory remains in effect for most of Connecticut on Thursday, as it may feel as hot as 100 degrees in parts of the state.

In southern Connecticut, the heat advisory ends at 8 p.m. Thursday, while it continues until 8 p.m. Friday in northern Connecticut. Friday does appear to be slightly cooler though, but there is a chance for showers and storms on Friday, Saturday and Sunday.

Neither day appears to be a washout, and the best chance for showers and storms is Friday and Sunday afternoon, according to the National Weather Service.

Forecast updates via WFSB 3 TV Meteorologists

"Today is forecast to be the warmest day of the week. Records are in jeopardy, with record warmth forecast inland!" wrote Meteorologist Mike Slifer with Scot Haney.

The last September heatwave occurred in 2018. Some storms are possible in western parts of Connecticut on Thursday afternoon.

"The biggest risk would be strong wind gusts under storms. We are not expecting widespread storm activity, but rather some isolated strong storms that will weaken as they move into and across CT," Slifer and Haney wrote.

More showers and storms are possible Friday afternoon and evening. "A few of them could be on the stronger side and heavy rain is possible under anything that forms," WFSB 3 TV forecasters said.

More rain showers are possible on Saturday, but they are forecast to be very isolated, while there is a better chance for rain showers and storms on Sunday.

And as for Hurricane Lee, WFSB 3 TV meteorologists said it's too early to tell what will happen with the track of the powerful hurricane.

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

Today: Sunny, with a high near 91. Heat index values as high as 98. Calm wind becoming south 5 to 9 mph in the afternoon.

Friday: Partly sunny, with a high near 85. South wind 6 to 10 mph.

Friday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. South wind around 7 mph.

Saturday: A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 84. South wind 5 to 8 mph.

Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

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

Today: Sunny, with a high near 95. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Friday: A slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 89. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.

Friday Night: A slight chance of showers and thunderstorms. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 72. South wind 7 to 9 mph. Chance of precipitation is 20%.

Saturday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. South wind 6 to 10 mph. Chance of precipitation is 50%.

Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind 6 to 8 mph. Chance of precipitation is 50%.

Sunday: A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 82. South wind 6 to 10 mph. Chance of precipitation is 70%.

Sunday Night: Showers likely and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 68. South wind 6 to 8 mph. Chance of precipitation is 70%.