As a powerful winter storm approaches, areas across Pennsylvania, including Pittsburgh and Philadelphia, are preparing for significant snowfall and dangerously cold temperatures. A Winter Storm Warning is in effect, forecasting up to a foot of snow in some regions, with accumulations likely to affect travel and lead to hazardous driving conditions. Snow is expected to begin Saturday night, continuing through Sunday, before bitter cold settles in with wind chills dropping to single digits. Residents are advised to stay updated on weather alerts and prepare for potential disruptions.