Significant damage was caused by an EF2 tornado in Orrick, Mo. Other severe weather brought heavy rain, strong winds and hail Saturday.
"With more potentially dangerous storms in the forecast for later today, I urge Missourians to stay alert, use caution and take shelter immediately if severe weather is headed their way," Governor Nixon said."
"Our state emergency management team will continue to monitor conditions and work closely with local officials to help communities prepare for and respond to this dangerous weather system.”
The Missouri State Highway Patrol and other agencies are assisting residents in Orrick. Another tornado took down trees and power lines near Marshall, Mo.
Gov. Nixon has also activated the Missouri State Emergency Operations Plan, which allows state agencies to coordinate directly with local authorities to provide emergency services.