The road to Mt. Lemmon is closed at the base due to inclement weather, officials said.
The road will be open to residents and employees only, the Pima County Sheriff's Department said Wesdnesday.
The National Weather Service in Tucson reported there were 6 to 7 inches of snow just before 6 p.m., saying they expected "several more inches" through Thursday morning.
For updates on road conditions and road closures, call 520-547-7510.