The New Year’s Eve party in Las Vegas is growing. Starting at 5 a.m. Dec. 31 with Sydney, Australia, the Sphere will display a countdown every hour to ring in the new year with

Las Vegas can be surprisingly chilly overnight during the winter months, which often surprises visitors. The high temperature on New Year's Eve is expected to be near 60 degrees, with the overnight low dropping to around 40. It should feel a bit warmer in crowds on the Strip and on Fremont Street, but dress accordingly.

Las Vegas Metro Police alongside Valley officials share details on agencies efforts to ensure safety across the area on New Year’s Eve.