Mo. Rev. Stat. § 221.080: County commission to bear certain expenses.

Whenever because of the inclemency of the season, the sickness of the prisoner or other cause, the sheriff shall be of the opinion that fuel, additional clothes or bedding, are necessary for any prisoner committed to jail he shall furnish the same and the costs thereof shall be paid by the county commission in the same manner as other expenses of caring for prisoners in such jail.