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Providence weather: Heavy rainfall, thunderstorms for Wednesday

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Forecast discussion: As we moved through Tuesday, Rhode Island did see some isolated showers and an occasional thunderstorm, especially over the northwestern part of the state in the early afternoon. Now, we enter the best chance to see some heavy rainfall and strong thunderstorms.

Over the last 24 hours, there were reports of wind damage and lines down northwest of Boston, as a strong thunderstorm cell passed over the area during the late afternoon. Also, parts of Interstate 95 near the Connecticut-Rhode Island border were shut down earlier this morning due to heavier rainfall. Right now, radar imagery is showing strong rainfall now passing into eastern New York. This activity will ascend on Rhode Island during the overnight hours. Due to the chance for some heavy rainfall, the Flash Flood Watch remains in effect until 2 p.m. Wednesday. By tomorrow night, the cold front that is helping to create this severe weather will move offshore, allowing for high pressure to build over New England on Thursday.

We will see less humid air, along with some cooler temperatures. A large dome of cold air that will bring the All Star Game in Minneapolis into the middle 50’s Tuesday night will keep our temperatures near or just above 80 degrees. At this time, the computer models agree that the dry weather will continue into the weekend. So, this will make for our seventh straight weekend of the summer precipitation free.

As we head into early next week, some moisture from the Southeast U.S. will work its way up into the mid-Atlantic. There is the small chance for some showers on Monday, but at this time it appears the day will be cloudy, but dry. The next chance for any precipitation will be Tuesday, as a weak cold front begins to make its way towards the east coast.

72 hour forecast:

Tonight: Cloudy and humid with scattered showers and thunderstorms. Heavy rain, lightning, gusty winds, and small hail may be associated with thunderstorms. Patchy to dense fog is expected along the south coast. We will see a low of 71.
Wednesday: Showers and thunderstorms. Thunderstorms may be accompanied with heavy rain, lightning, strong winds, and small hail. We will have a high of 78. Winds will come from the south-southwest at 8-11 mph. Patchy to dense fog will burn off by the late morning.
Wednesday night: Showers will end by 3 a.m. with clearing skies by dawn. We will have a low of 64 with winds turning to the west-northwest at 3-6 mph.
Thursday: Mostly sunny and less humid with a high of 83.
Thursday night: Partly cloudy with a low of 63.
Friday: Mostly sunny with a high of 81.
Friday night: Partly cloudy with a low of 63.

Extended Forecast:
Saturday: Partly to mostly sunny. Highs 80-83, lows 63-66.
Sunday: Partly sunny. Highs 79-82, lows 65-68.
Monday: Mostly cloudy with isolated showers. Highs 78-81, lows 64-67.
Tuesday: Partly sunny with possible afternoon showers/thunderstorms. Highs 80-83, lows 65-68.

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