CT Weather: Another Heat Wave Begins As Strong Storms Emerge In Forecast

CONNECTICUT — Weather forecasters say oppressive heat is back in the forecast starting Thursday, with the potential for storms at the end of the week.

The National Weather Service has issued a hazardous weather outlook for southern Connecticut beginning on Thursday due to the predicted heat and humidity. It anticipates the heat index will make it feel like 105 degrees on Friday, and between 95 and 100 on Thursday and Saturday.

For northern Connecticut, the National Weather Service has a heat advisory in effect starting at 11 a.m. Thursday through 8 p.m. on Friday. It anticipates heat indices up to 95 on Thursday, and up to 103 on Friday.

Heat and humidity at these levels can lead to heat exhaustion or heat stroke, and the National Weather Service advises taking precautions such as staying out of the sun, remaining in air conditioning and drinking plenty of fluids.

The National Weather Service is predicting potential thunderstorms in Connecticut Friday and Sunday.

WFSB reports Wednesday will be the last “dry, bright, and comfortable day” of this week.

Heat wave begins again

Thursday will be both warmer and muggier, the station reports, with temperatures expected to soar to the upper 80s along the shoreline and in the low 90s inland. Combined with increasing humidity, WFSB predicts the heat index values will rise into the mid-90s, prompting WFSB to issue a First Alert Weather Day on Thursday.

On Friday, WFSB is predicting potential record heat for the state and “oppressive” humidity.

The current record for the Hartford area is 98 degrees, set in 2001, and WFSB is forecasting it will reach 97 degrees. For Bridgeport, the record is 93 degrees, set the same year, according to the station, which is predicting another day of 93 degrees.

Strong storms possible on Friday

“Heat index values will top out in the lower triple digits!” WFSB reported. “Friday is also a *First Alert Weather Day* as outdoor plans will be impacted, and heat-related illness becomes a concern. There is also a chance for strong storms, particularly later in the day, in advance of a cold front.”

WFSB anticipates Saturday will be a primarily dry day, with isolated showers, and less heat and humidity due to temperatures reaching the mid to upper 80s. WFSB predicts a potential round of rain and storms on Sunday.

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Here are the forecast details for southern Connecticut via the National Weather Service, as of Wednesday morning:

Today: Mostly sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the afternoon.

Tonight: Mostly clear, with a low around 69. South wind 5 to 8 mph.

Thursday: Sunny, with a high near 86. South wind 6 to 11 mph.

Thursday Night: Mostly clear, with a low around 73. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

Friday: A 30 percent chance of showers and thunderstorms after 2 p.m. Mostly sunny, with a high near 94. Southwest wind 8 to 11 mph.

Friday Night: A chance of showers and thunderstorms before 8 p.m., then a chance of showers between 8 p.m. and 2 a.m. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

Saturday: Partly sunny, with a high near 86.

Saturday Night: A 30 percent chance of showers after 2 a.m. Mostly cloudy, with a low around 69.

Sunday: A chance of showers, with thunderstorms also possible after 2 p.m. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.

Sunday Night: A chance of showers and thunderstorms before 8 p.m., then a chance of showers between 8 p.m. and 2 a.m. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Here are the forecast details for northern Connecticut via the National Weather Service, as of Wednesday morning:

Today: Mostly sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.

Tonight: Mostly clear, with a low around 65. South wind 6 to 9 mph.

Thursday: Sunny and hot, with a high near 90. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

Thursday Night: Mostly clear, with a low around 71. South wind 8 to 10 mph, with gusts as high as 20 mph.

Friday: A slight chance of showers between 1 p.m. and 2 p.m., then a chance of showers and thunderstorms after 2 p.m. Mostly sunny and hot, with a high near 97. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.

Friday Night: A chance of showers and thunderstorms before 11 p.m., then a slight chance of showers between 11 p.m. and 2 a.m. Mostly cloudy, with a low around 70. West wind around 6 mph becoming light and variable. Chance of precipitation is 30%.

Saturday: Partly sunny, with a high near 86. North wind around 6 mph.

Saturday Night: Mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming calm in the evening.

Sunday: A chance of showers, with thunderstorms also possible after 2 p.m. Mostly cloudy, with a high near 82. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

Sunday Night: A chance of showers and thunderstorms before 8 p.m., then a chance of showers between 8 p.m. and 3 a.m. Mostly cloudy, with a low around 65. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.