In the early morning of December 9, the temperature in Phoenix was close to 0 degrees Celsius. Please keep warm.

In the early morning of December 9, the temperature in Phoenix was close to 0 degrees Celsius. Please keep warm. As the temperature across the United States cools down, the lowest temperature in Phoenix on December 9 was close to 0 degrees Celsius...

As temperatures dropped across the United States, the lowest temperature in Phoenix on December 9 was close to 0 degrees Celsius. On Wednesday, areas such as Casa Grande, Gila Bend and Wickenburg will also see temperatures close to 0 degrees Celsius. Experts have issued an early warning, asking everyone to keep warm and take antifreeze measures for some plants that cannot be moved indoors. Heavy snowfall has occurred in Flagstaff. The southern part of Highway I17 has been blocked by heavy snow. Two four-wheel drive SUVs were stuck in the heavy snow. Drivers in the area should pay special attention to driving safety.