The road up Mount Lemmon is closed due to white-out conditions.
Only residents and employees with chains and four-wheel drive vehicles are allowed up Catalina Highway.
Eight to 10 inches of new snow fell on the mountain.
It is not known how long the road will remain closed. Call the Pima County Roads Condition Line at 547-7510, for the most up-to-date information.
Get local news delivered to your inbox!
Subscribe to our Daily Headlines newsletter.