Communities across New England, particularly coastal Massachusetts, are expected to be hit with a nor’easter this weekend that could bring heavy rain, high winds and a threat of flooding and power outages.

The National Weather Service is urging residents along the East Coast to prepare for conditions expected to begin Sunday afternoon and continue through Tuesday morning.

Areas across Southeastern Massachusetts, Cape Cod and the Islands are predicted to be affected the most, the service wrote.

The slow-moving system will bring a combination of hazards, including heavy rain that could total between 3 and 4 inches and high wind gusts exceeding 45 mph.

“Its duration allays concerns about flash flooding, but we will need to watch out for poor-drainage flooding, especially where storm drain

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