Tucson Electric Power reports at least 100 customers are without power, mostly near Nogales Highway and Pima Mine Road.
As of 2:45 p.m. Tuesday, about 10,000 customers were without power as a result of storms.
Winds blew the roof off a residence near Old Nogales Highway around 1:40 p.m. and many power lines were down.
No injuries were reported as a result of what was believed to be a microburst and heavy winds, according to Captain Grant Cesarek with the Rural/Metro Fire Department.
Crews are working to restore power.
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