Himachal Pradesh is experiencing a heavy tourist influx for New Year celebrations. The India Meteorological Department (IMD) forecasts snowfall and rain across many parts of the state from December 30 to January 2 due to a western disturbance. Popular tourist spots like Shimla, Manali, and Dharamshala are expected to receive snowfall on December 31 and January 1. The IMD advises tourists and residents to exercise caution during this period.