A powerful thunderstorm system has knocked out power to thousands of people in western Iowa.

MidAmerican Energy reports that nearly 3,100 customers were without power as of 5:15 a.m. Monday. More than 2,800 of those customers are in the Council Bluffs area.

Officials report that falling trees and limbs damaged buildings and vehicles beneath, but no injuries have been reported.

Heavy rain and some hail also were reported.