The intersection of Grant and Silverbell is closed due to power lines and weather.
Ironwood Hills from Shannon to Silverbell in all directions is also closed, the Tucson Police Department reports.
Officers say they can't yet estimate when they'll reopen.
Tucson Electric Power Co. said about 13,000 customers are without service because of the weather. The outages are scattered throughout Tucson.
Utility crews have been sent out to assess the damage.
Check back to StarNet for the latest information.