Weather officials say brutally cold temperatures will continue overnight in parts of northern Iowa and the upper Midwest.
The National Weather Service says a wind chill advisory will remain in effect for northeast Iowa until 10 a.m. Tuesday. The wind chill will make temperatures feel like 20 to 25 degrees below zero Monday night.
Officials say light flurries Monday night in eastern Nebraska could make driving difficult Tuesday morning.
Temperatures in Iowa are expected to rise Tuesday afternoon into Wednesday.
The wind chill advisory began Monday morning in eastern Nebraska and northern Iowa. It spread into the Dakotas, Wisconsin, Minnesota and Ohio.