Long Duration, 'Potent' Storm Forecast Details Released: Here's What To Know

CONNECTICUT — A "potent storm system" will be impacting our weather for at least the next two days, according to forecasters.

Tuesday begins dry, and some sun will appear too, but after sunset rain showers are forecast to develop across Connecticut, bringing heavy rain and strong wind gusts on Tuesday night and Wednesday and Wednesday night. A wind advisory has been issued statewide as gusts up to 50 mph are possible Wednesday night and Thursday morning.

"Tomorrow, as we’ve been forecasting, will be unsettled and timing/impacts are coming into better focus from a potent storm system," said WFSB 3 TV Chief Meteorologist Mark Dixon with Mike Slifer. "A round of rain is likely through the morning, then we anticipate a lull in the wake of a warm front. It will also be windier, with gusts over 30 mph out of the south/southwest as a cold front approaches.

"We’ve issued a First Alert for tomorrow night. This is when we expect the strongest wind and heaviest rain with the arrival and passage of the cold front (likely before midnight)," Dixon and Slifer said. "It’s in this timeframe wind gusts could reach or exceed 40 mph! Behind the front the wind becomes northwesterly sending colder air our way. As rain ends, it could briefly switch over to light snow as we’ll see temperatures go from near 50 into the 20s." (Watch/read more at WFSB 3 TV).

After the storm ends late Wednesday, cold air moves in and high temperatures will only be in the 30s on Thursday. And now there is a chance for rain on Saturday too.

Eversource officials say they are "closely monitoring several weather forecast models and planning accordingly." The energy company is bringing in outside lineworkers to assist with power restoration. Crews are preparing equipment and vehicles and will be in position in advance of the storm so they can quickly respond when and where needed.

“This storm is expected to bring heavy rain and strong winds which can bring down trees and tree limbs onto power lines and equipment causing outages, so we’re taking the necessary actions now to ensure our team is ready to respond,” said President of Eversource Connecticut Steve Sullivan in a prepared statement. “We’ll have crews in position at our work centers throughout the state before the storm hits so they can immediately get to any damage locations and restore power as soon as conditions allow.”

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Here are the forecast details for southern Connecticut:

Today: A 30 percent chance of showers after 5pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 53. East wind 6 to 10 mph becoming south in the afternoon.

Tonight: Showers, mainly after 8pm. Low around 48. South wind 11 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday: Showers. High near 56. Breezy, with a south wind 20 to 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night: Showers, mainly before 2am. Low around 29. Breezy, with a south wind 20 to 22 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: Sunny, with a high near 37. Breezy, with a west wind 18 to 22 mph, with gusts as high as 33 mph.

Friday: Sunny, with a high near 45.

Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 51.

Saturday Night: A 40 percent chance of rain before 2am. Mostly cloudy, with a low around 41.

Sunday: Partly sunny, with a high near 54.

Here are the forecast details for northern Connecticut:

Today: Mostly sunny, with a high near 57. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Tonight: Showers, mainly after 9pm. Patchy fog after 9pm. Low around 47. South wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday: Showers. Patchy fog before 2pm. High near 57. Breezy, with a south wind 16 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night: Rain and snow before 3am, then a chance of rain between 3am and 4am, then a slight chance of snow after 4am. Low around 25. Windy, with a south wind 23 to 28 mph becoming west after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday: Mostly sunny, with a high near 33. Windy, with a west wind 23 to 26 mph, with gusts as high as 39 mph.

Friday: Sunny, with a high near 47. Southwest wind 9 to 17 mph.

Saturday: A chance of rain after 7am. Mostly cloudy, with a high near 52. South wind around 9 mph. Chance of precipitation is 40%.

Sunday: Partly sunny, with a high near 57. Northeast wind 6 to 8 mph.