Pennsylvania is in for a weather rollercoaster this week. It's not just about the cold. It's about the constant changes.

First, the cold. It's sticking around. A Cold Weather Advisory is in place until Monday morning. The wind is making it feel even colder. Light snow is falling in some mountain areas, but it's not expected to pile up much.

Things start to warm up on Tuesday. A big shift in the weather pattern is bringing milder air. By Wednesday, temperatures will be above freezing. By Thursday, it could feel downright warm in the 40s. But don't put away the winter gear just yet. Strong winds are expected, with gusts up to 40 mph.

Rain is on the way late Thursday into Thursday night. It could be heavy at times. As colder air moves in, the rain will turn to snow in some areas by Friday morning.

Friday brings a return to colder temperatures. Highs will be in the 20s and 30s. Strong winds will make it feel even colder. Snow showers are possible in some areas, but they should taper off by Friday night.

Looking ahead, winter officially begins on Sunday, December 21. Another round of precipitation is possible later Saturday into Sunday. It's a good idea to be prepared for anything.

Chilly Days Ahead: Pennsylvania's Weather Rollercoaster

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