A severe thunderstorm warning is in effect for northeastern Adair County in Iowa until 7 p.m. Sunday.
Omaha-based Travel and Transport Inc. says it is buying Ultramar Travel Management Inc. of New York City.
Financial terms of the all-cash deal between the corporate travel agencies were not announced.
Ultramar will retain its name and operate independently.
The companies said Tuesday that after the deal closes, they will have more than 1,000 employees in 37 states with total annual sales in excess of $2 billion.