CT Weather: Thunderstorm Threat Increasing Today, More Friday

The chance for some isolated severe weather in Connecticut today is growing, according to the state's top meteorologists. The stormy weather, which can include thunderstorms, strong wind gusts and possibly flooding concerns, will continue off and on through Saturday.

WTNH News 8 Meteorologist Gil Simmons said, "Keep your eyes to the sky, there could be a shower or thunderstorm this afternoon. High temperatures 85 to around 90. Showers and thunder from time to time tomorrow and Saturday. Dry weather and slightly less humid on Sunday with sunshine!"

The National Weather Service says we can expect a "tropical-like airmass" for the next several days with temps in the upper 80s to 90 plus degrees. The weather service says thunderstorms may be with us today, Friday and Saturday morning. (To sign up for free, local breaking news alerts from more than 100 Connecticut communities click here.)

In a Hazardous Weather Outlook for Southern Connecticut, the weather service says, "There is a low chance of flash flooding from late Friday night through Saturday morning."

For Northern Connecticut, the weather service says, "There is the potential for a few strong to severe thunderstorms, some with excessive rainfall that may bring a risk for localized flooding especially in urban corridors. Locally strong to damaging wind gusts are also possible.

From Friday and Saturday in Northern Connecticut, "There is the potential for a few strong to severe thunderstorms, some with excessive rainfall that may bring a risk for localized flooding especially in urban corridors. Locally strong to damaging wind gusts are also possible."

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Here is the updated weather forecast for Southern CT:

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Southwest wind around 10 mph.

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75. Southwest wind 8 to 13 mph.

Friday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 87. Heat index values as high as 95. Southwest wind 8 to 13 mph.

Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 7 to 9 mph.

Saturday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 85. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night
Partly cloudy, with a low around 71.

Sunday
Mostly sunny, with a high near 88.

Here is the updated weather forecast for Northern CT:

This Afternoon
A chance of showers and thunderstorms, mainly after 2pm. Some of the storms could produce gusty winds and heavy rain. Partly sunny, with a high near 88. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight
A chance of showers and thunderstorms, mainly before 10pm. Some of the storms could produce gusty winds and heavy rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 74. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday
A chance of showers and thunderstorms, mainly between noon and 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 85. South wind 6 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night
A chance of showers and thunderstorms, mainly after 8pm. Some of the storms could produce heavy rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 72. South wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Some of the storms could produce heavy rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 85. Southwest wind 5 to 9 mph. Chance of precipitation is 60%.

Saturday Night
A slight chance of showers and thunderstorms before midnight. Some of the storms could produce heavy rain. Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Chance of precipitation is 20%.

Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 90.

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