The National Weather Service continues the heat advisory through Tuesday afternoon. Temperatures once again on Tuesday will rise to the upper 90s however high humidity will make it feel like 105 to 110 degrees.
A Union Pacific train derailed in north-central Iowa early Tuesday morning, but there are no reports of injuries.
The freight train derailed near Gowrie.
The train was loaded with corn and was bound for Texas. The corn was scattered around some of the damaged freight cars.
Additional information was not available. Authorities are still investigating the cause.
Gowrie is located about 80 miles northwest of Des Moines.