Severe Thunderstorms May Bring Lightning, Hail, And Heavy Rain To CT: New Timeline Released

A cold front will sweep through Connecticut today, bringing the chance for widespread thunderstorms, potentially damaging winds and even hail, according to meteorologists.

The National Weather Service reports the cold front will arrive this afternoon, bringing an end to the recent heat and a return to more seasonal temperatures for tonight.

A heat advisory is in place for northern Connecticut today until 8 p.m., including Hartford, Tolland and Windham counties, with heat index values of up to 96.

A hazardous weather outlook has been issued for much of southern Connecticut, including Fairfield, New Haven, Middlesex and New London counties, due to thunderstorms and damaging wind development expected this afternoon and evening.

WFSB is calling today a “First Alert Weather Day,” due to the heat and the risk for “strong to severe storms in association with an approaching cold front.”

“In addition to heavy rain and lightning, we’ll be monitoring for the threat of damaging wind gusts and potentially hail,” WFSB reports. “The greatest risk for strong or severe storms is across the shoreline counties.”

WTNH is also predicting stormy weather today.

“A line of thunderstorms that could be strong to severe will be moving through this afternoon/evening with a strong cold front coming through. Some severe warnings possible for damaging wind gusts!” WTNH reports.

As for timing, WTNH predicts showers and thunderstorms will be developing after 3 p.m., then moving out by this evening.

After today, expect much cooler weather in Connecticut, with highs on Thursday and Friday around 70 degrees. There is a chance for showers on Saturday, Sunday and Memorial Day, according to the National Weather Service.

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

Today: A 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 92. Northwest wind 8 to 13 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms before 8 p.m., then a slight chance of showers between 8 p.m. and 2 a.m. Increasing clouds, with a low around 55. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

Thursday: Mostly cloudy, with a high near 70. North wind 5 to 10 mph becoming light.

Thursday Night: Partly cloudy, with a low around 47. Light north wind.

Friday: Mostly sunny, with a high near 72. Light and variable wind.

Friday Night: A chance of showers, mainly after 2 a.m. Mostly cloudy, with a low around 47. South wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%.

Saturday: Showers likely, mainly between 10 a.m. and 4 p.m. Mostly cloudy, with a high near 62. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.

Saturday Night: Showers likely, mainly after 7 p.m. Cloudy, with a low around 47. Southeast wind 3 to 6 mph. Chance of precipitation is 60%.

Sunday: A chance of showers. Mostly cloudy, with a high near 65. East wind 5 to 7 mph. Chance of precipitation is 50%.

Sunday Night: A chance of showers. Mostly cloudy, with a low around 50. East wind around 6 mph. Chance of precipitation is 40%.

Memorial Day: A chance of showers. Mostly cloudy, with a high near 73. North wind 3 to 5 mph. Chance of precipitation is 30%.

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

Today: A chance of showers and thunderstorms between 2 p.m. and 4 p.m., then showers likely and possibly a thunderstorm after 4 p.m. Increasing clouds, with a high near 90. West wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northwest wind 3 to 5 mph. Chance of precipitation is 50%.

Thursday: A 30 percent chance of showers, mainly before 11 a.m. Mostly cloudy, with a high near 70. Northeast wind 5 to 7 mph.

Thursday Night: Mostly cloudy, with a low around 50. Calm wind.

Friday: Partly sunny, with a high near 67. Northeast wind 7 to 9 mph becoming southeast in the afternoon.

Friday Night: A 50 percent chance of showers after 2am. Cloudy, with a low around 50.

Saturday: Showers likely, mainly after 8 a.m. Cloudy, with a high near 62. Chance of precipitation is 70%.

Saturday Night: Showers. Low around 50. Chance of precipitation is 80%.

Sunday: Showers likely, mainly before 2 p.m. Cloudy, with a high near 65. Chance of precipitation is 60%.

Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52.

Memorial Day: A 50 percent chance of showers. Mostly cloudy, with a high near 72.