Southeast Nebraska, southwest Iowa and northwest Missouri until 4 a.m. Sunday. This includes Omaha, Council Bluffs and Lincoln.
Republican vice presidential candidate Paul Ryan is scheduled to visit Des Moines on Monday.
A news release from GOP presidential nominee Mitt Romney's campaign says Ryan will attend a rally at the Simon Estes Amphitheater in downtown Des Moines. Doors for the rally will open at 1 p.m. and the program is set to start at 3 p.m.
Those wishing to attend are asked to request tickets online at www.mittromney.com/states/iowa.
Vice President Joe Biden will be in Iowa Monday and Tuesday with campaign stops scheduled in Burlington, Ottumwa and Grinnell. Iowa is one of about six battleground states that likely will decide the winner of the presidential election.
