CT Weather: Heavy Rain, Thunderstorms Move In Tuesday

A mini-stretch of nice, almost fall-like weather will end on Tuesday as heavy rain moves into Connecticut and it could produce strong to possibly severe thunderstorms Tuesday and Wednesday. A Hazardous Weather Outlook has already been issued for Northern Connecticut in advance of the expected heavy rain and possible thunderstorms.

Once the unsettled weather moves on, then we're right back to fall-like weather with temps in the mid to upper 60s with periods of sun leading into next weekend.

The National Weather Service says, "clouds will increase later this afternoon as a frontal boundary to our south heads back north. Seasonably cool conditions will continue with highs only in the middle to upper 60s.

Light rain will move in from southwest to northeast tonight into Tuesday morning as the front continues its approach. The rain will increase in intensity on Tuesday, coming down moderate to locally heavy at times. The best chance for rain will be during the day on Tuesday. There is a low potential for localized flooding during this time frame. Unsettled conditions continue into Wednesday, with much warmer temperatures expected as the warm front lifts north of the region."

WTNH News 8 Meteorologist Gil Simmons says, "Dry weather all day today and on the chilly side with some wind! High temperatures will only be in the 60s! Heavy rain expected tomorrow all day long! A few scattered showers possible on Wednesday with higher humidity. Drying out on Thursday!" (To sign up for free, local breaking news alerts from more than 100 Connecticut communities, click here.)

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Here is the updated weather forecast for Southern Connecticut:

Today
Partly sunny, with a high near 66. East wind 15 to 17 mph.

Tonight
A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 58. East wind around 16 mph.

Tuesday
Showers. High near 70. Breezy, with an east wind 16 to 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday Night
Showers likely and possibly a thunderstorm. Patchy fog after midnight. Otherwise, cloudy, with a low around 68. South wind 8 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday
A 50 percent chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. South wind 7 to 13 mph.

Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday
Partly sunny, with a high near 69.

Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.

Friday
A 30 percent chance of showers before noon. Partly sunny, with a high near 69.

Friday Night
Partly cloudy, with a low around 58.

Here is the updated weather forecast for Northern Connecticut:

Today
Partly sunny, with a high near 65. East wind 8 to 11 mph, with gusts as high as 23 mph.

Tonight
A chance of rain, mainly after 4am. Increasing clouds, with a low around 53. Northeast wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday
Rain, mainly after 7am. The rain could be heavy at times. High near 67. Northeast wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night
Rain, mainly before 9pm, then showers likely after 9pm. The rain could be heavy at times. Patchy fog after 9pm. Low around 66. South wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 79. South wind 6 to 9 mph. Chance of precipitation is 60%.

Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

Thursday
Partly sunny, with a high near 69.

Thursday Night
A chance of showers between 2am and 3am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

Friday
Partly sunny, with a high near 68.

Friday Night
Partly cloudy, with a low around 55.