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Drenching rain expected overnight into Saturday

Posted at 8:54 PM, Dec 13, 2019
and last updated 2019-12-13 20:54:35-05

Heavy rain will develop through the night as an intensifying area of low pressure moves into the region from the south.

Flood Watches have been posted for a good section of New Jersey for the overnight period. A strong southerly flow and a near-astronomical high tide has prompted Coastal Flood Advisories to been issued for The Jersey Shore, the back bays of Queens and Nassau and the south facing coastline of the Long Island Sound. Expect tides to run as much as a foot above normal Saturday morning, which can cause minor flooding.

The rain has become steadier early in the evening and it will become heavier through the night. Any spots well north that had any wintry precipitation will change over to plain rain as temperatures are expected to steadily climb through the night. As much as 1 to 2 inches of rain will be possible before it starts to taper off early Saturday morning.

Temperatures will still be on the warm side for much of Saturday with highs climbing into the upper 50s during the day. While there could still be a risk of a showers from time to time, the sun may break through the clouds briefly.

Eventually the storm will continue to move into Eastern Canada, but it continue to deepen. At the same time high pressure will push in from the Midwest and kick up the wind gusts to around 20 to 30 mph from the west on Sunday. Temperatures will be on the cooler side with highs only in the mid 40s.

Temperatures are then expected to trail down heading into Sunday night into Monday morning with temperatures around 30. The gusty winds will still be around making it feel more like the upper teens to lower 20s as the morning commute gets underway.

The winds should relax on Monday with temperatures climbing toward 40. It starts out sunny, but clouds will be on the increase.

We will then be watching another system that will move in Monday night into Tuesday. It may be cold enough for some wintry precipitation at the onset, but temperatures will climb making it mainly a rain event for a good portion of the region on Tuesday.