The National Weather Service said wind chills Monday night and Tuesday morning could reach nearly -15 degrees.
Temperatures will continue to fall on Thursday and through the weekend as the snow and cold return to the area.
After snow tapers off Sunday night, any wet areas of the ground will harden when temperatures drop into the 20s.
Inviting sunshine will greet you on Friday in the Philadelphia region, but don't be fooled, it will be bitterly cold.
Temperatures will plummet Thursday in the Philadelphia region with winds gusting as high as 30 mph from the northwest.
5don MSN
Mild weather around Philadelphia Tuesday, more arctic air and rain-snow mix later in the week
Tuesday in the Philadelphia region will be mild, but we're tracking storms this week that will bring rain and possibly snow.
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