The Philadelphia region is currently enjoying mild weather, with temperatures expected to reach around 50°F (10°C) this week. However, the forecast indicates changes ahead, including patchy and dense fog observed on Tuesday morning, as reported by CBS News. Scattered showers are expected throughout the week, and the weekend forecast is particularly noteworthy, predicting a chance of slushy snow and rain arriving by Sunday afternoon. Temperatures are expected to hover slightly above freezing, potentially creating hazardous travel conditions.