Heavy gusts of wind and rain stormed leaving severe damage in its path. It has not been confirmed, but it is suspected that possible tornados may have struck in Sullivan and Hazelwood, Missouri.
Tens of thousands of residents on both sides of the river were left in the dark as trees and limbs took down power lines. About 23,500 homes in Missouri and 2,500 Metro-East homes did not have power as of 7:30 a.m.
The hardest hit area may have been in Hazelwood just north of 270 along Howdershell near Lynn Haven Lane. At least 24 homes there were damaged with trees, limbs and power lines downed during the height of the storm. Officials say six of those homes were considered unlivable.
Rescue crews from Florissant and St. Charles responded to the scene to assist with the search and rescue effort. There were no reports of serious injuries in that area.
Florissant officials said a number of homes were damaged, but no injuries were reported.
Approximately 24,000 Ameren customers are still without power.
Crews from Ameren Illinois were called to assist in power restoration.
About 900 linemen, field checkers and vegetation workers are in the hardest hit areas.
Governor Jay Nixon will visit Hazelwood and tour the damage Thursday morning.
Hazelwood City Manager Tim Davidson said the governor will arrive at the Hazelwood Command Center at 7023 Howdershell Road at 11:30 a.m. Thursday.
Hazelwood was one of the areas with the most damage from the storms Wednesday night. The mayor estimated more than two dozen homes near Lynn Haven Lane.
Governor Nixon declared a state of emergency for Missouri.
Information from KSDK.com and KMOV.com contributed to this report..