It's looking like a winter wonderland all across the Old Pueblo.
Snow began floating down throughout the metro area around noon.
About an inch of the white stuff has been reported in some parts of the city, with heavier snow falling in the northwest part of town, according to the National Weather Service.
Six inches of snow has accumulated in Summerhaven on Mount Lemmon, according to the NWS.
The winter storm warning has been updated to include areas as low as 2,500 feet, including the city of Tucson.
Between one and three inches of snow is expected to coat the city.