Thinking of driving up Mount Lemmon this morning? Proceed with caution.Ìý
The Pima County Sheriff's Department is warning drivers to watch for rock slides on Catalina Highway.ÌýÂ
In a tweet sent out by the sheriff's department Thursday morning, the department said to watch for rock slides beginning at mile post 10.
**Traffic Hazard**
— Pima County Sheriff (@PimaSheriff)
Watch for rock slides on Catalina Highway, beginning at mile post 10.
According to the National Weather Service, more than 5 inches of rain have .Ìý
The rain is expected to .Ìý
