Hazardous Weather Outlook Issued For Southern CT: Here's What To Know

SOUTHERN CONNECTICUT — A hazardous weather outlook and heat advisory have been issued for all of southern Connecticut, except for coastal sections of New London County.

A heat advisory has been posted from noon Monday to 10 p.m. Tuesday. Heat index values up to 100 expected, according to the weather service.

"Hot temperatures and high humidity may cause heat illnesses," the National Weather Service said.

There is a chance for showers and storms after midnight and then another chance for showers and storms on Tuesday afternoon and night, while the chance for showers and storms spikes on Wednesday, especially after 2 p.m., according to the weather service.

The end of the week, Friday-Sunday, looks great with sunshine and temperatures into the mid to upper 80s.

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

This Afternoon: Partly sunny, with a high near 91. Heat index values as high as 100. South wind around 10 mph.

Tonight: A chance of showers and thunderstorms between midnight and 2am, then a slight chance of showers. Partly cloudy, with a low around 74. South wind around 6 mph becoming southwest after midnight. Chance of precipitation is 30%.

Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 98. Southwest wind 6 to 11 mph.

Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Southwest wind 6 to 8 mph.

Wednesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: A 30 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 85.

Friday: Sunny, with a high near 84.

Saturday: Mostly sunny, with a high near 86.

Sunday: Mostly sunny, with a high near 88.

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

This Afternoon: Mostly sunny, with a high near 92. Heat index values as high as 100. South wind around 11 mph.

Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 101. Southwest wind 5 to 11 mph.

Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. South wind 5 to 7 mph.

Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 93. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: A 30 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 86.

Friday: Sunny, with a high near 86.

Saturday: Mostly sunny, with a high near 87.

Sunday: Mostly sunny, with a high near 89.