Weather Authority: Rain/snow mix to start Sunday

PHILADELPHIA - The upcoming week promises to create a roller coaster effect of weather changes, including a potent storm for Christmas Day.

FOX 29's Scott Williams says overnight temperatures should dip to the upper teens to the north and west, while reaching the upper 20s from Philadelphia through South Jersey and Delaware.

Overnight Sunday, a storm system will move in, bringing snow or a rain/snow mix to the entire region by 8 a.m. Some may see a tenth of an inch of snow, when it is said and done.

The high for Sunday should reach the upper 30s to lower 40s, so whatever snow does fall will not be a factor as the day wears on.

Temperatures in the early part of 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, brining heavy rain, gusty wind 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.

For the latest forecasts and conditions, download the FOX 29 Weather Authority app.

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