Ten inches of rain fell in a matter of hours flooding a small town near Fort Leonard Wood.
Several hundred people are being evacuated over the next few weeks as the smell from the landfill is expected to temporarily worsen.
The building was given the all-clear for employees to return, after engineers secured the broadcast tower.
An area dialysis center is back open after fumes from a water-vinegar mixture sent one worker to the hospital and prompted a brief evacuation.
Explosives experts from Whiteman Air Force Base were brought to the store after the device was found by an employee.
Homes along Westline Industrial Drive between Grissom Dr. and Schuetz Road are being evacuated.
Floodwaters threaten the Holt County town of about 300.
The Black River is falling, but if more rain hits, thousands more may have to flee to higher ground.