PHILADELPHIA (CBS) — An arctic cold front will sweep through late Friday afternoon, bringing a bitter cold start to what is shaping up to be a windy, wintry weekend. This front will force temperatures to drop from the low midday 40s to the teens and into the single digits overnight.
Uncertainties about the type of precipitation still exist due to the exact track of the storm. Parts of the region will see heavy, wet snow while others will see rain or sleet.
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Everyone in the area will experience the dangerous cold and strong winds over the holiday weekend.
Here is the current timeline.
Sunday evening as the storm approaches we will likely see light snow across the entire region. The exception is on the coast and in southern Delaware, where sleet or rain will fall.
Sunday after midnight and before sunrise Monday, warmer air will roll into the storm and snow will turn to sleet and rain east of the Lehigh Valley, including the I-95 corridor , Philadelphia, southern Jersey and northern Delaware.
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Heavy, wet snow will continue to move through the Poconos and the Lehigh Valley, where significant snow accumulation is possible.
As the storm moves away late Monday morning, strong winds will develop. Gusts will be 30 to 40 mph in Philadelphia and could reach warning criteria on the shore where gusts of over 50 mph could be possible.
Coastal flooding is also a possible concern.
Because the storm’s current track is inland over Philadelphia, the heaviest snowfall will be farther west through the Lehigh Valley, Berks County and the Poconos.
If the track shifts further east, the heavier bands of snow will intersect near the I-95 corridor and Philadelphia.
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CBS3’s Tammie Souza and Llarisa Abreu contributed to this report.