Weather Authority: Clipper system Monday night to bring cold rain

Clouds abound Monday night with a clipper moving in make it difficult to view the Great Conjunction.

FOX 29’s Kathy Orr says a cold rain will move into the region late Monday night and early Tuesday. A rain snow mix could develop in the western edges of the Delaware Valley, while a changeover to snow in the Poconos is likely.

The system will move out quickly, with little accumulation. Most of the region will see rain.

Overnight temperatures will dip into the mid 30s for most, while further north lows should be closer to upper 20s.

Highs Tuesday should climb to the mid 40s, with morning clouds giving way to some sun later in the day. A brisk wind is in the forecast, as well.

Temperatures throughout the week should be in the low to mid 40s, with a high Christmas Eve forecasted in the upper 50s. An artic front will move in late in the day, bringing heavy rain, gusty winds and a rumble of thunder.

Cold air will rush in behind that system overnight into Christmas Day, bringing light snow in the early part of the holiday.

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