Up To 5 Inches Of Rain, Thunderstorms Forecast In Connecticut

CONNECTICUT — We may receive up to five inches of rain by the end of Wednesday, which could prompt flooding concerns, according to the latest forecast updates.

Thunderstorms are also possible over the next few days too. The good news is that Mother's Day looks great with plenty of sunshine and warmer temperatures.

"We’ve issued First Alert Weather Days for both today and tomorrow due to expected heavy rainfall across the state," said WFSB 3 TV meteorologists. "The key uncertainty lies in the development and exact placement of a low-pressure system that appears likely to become “cut off” from the main atmospheric steering flow. The track and strength of this cutoff low will significantly influence how long the rain lasts and how intense it becomes."

"As we see it now, rainfall totals through Wednesday could range between 3 and 5 inches, with some localized areas seeing higher amounts!" said WFSB 3 TV meteorologists. "This level of rainfall could lead to flooding on roadways and drainage problems in low-lying areas. We should also anticipate a rise in water levels in creeks, rivers, and streams due to all the runoff that is expected." (Read more at WFSB 3 TV).

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

Tonight: Rain before 2am, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 55. East wind 9 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Tuesday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog. High near 63. Southeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 54. Southeast wind 3 to 7 mph. Chance of precipitation is 40%.

Wednesday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 67. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 50%.

Thursday: Mostly sunny, with a high near 70.

Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 60.

Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 48.

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

Tonight: Showers. Patchy fog. Low around 55. East wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Tuesday: Showers. Patchy fog. High near 63. Southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Patchy fog between 8pm and 9pm. Low around 56. Southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. South wind 5 to 7 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, mainly before 10pm. Partly cloudy, with a low around 53. Southwest wind 3 to 5 mph. Chance of precipitation is 60%.

Thursday: A slight chance of showers after 1pm. Partly sunny, with a high near 71. Northwest wind 6 to 8 mph. Chance of precipitation is 20%.

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

Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 56. Northeast wind around 9 mph. Chance of precipitation is 60%.

Friday Night: A chance of showers. Mostly cloudy, with a low around 46. Northeast wind around 7 mph. Chance of precipitation is 50%.