GREELEY, Colo. -

Republican vice presidential candidate Paul Ryan is returning to the campaign trail in Colorado.
    
Ryan is set to attend a rally in Greeley around noon Thursday. He'll be joined by country music star Lee Greenwood at the Island Grove Event Center.
    
Meanwhile, Republican National Committee chairman Reince Priebus will be visiting El Paso and Mesa counties to encourage voters to cast their ballots early.
    
On Friday, Ryan will attend a rally in Montrose before campaigning in Iowa and Ohio.
    
Mitt and Ann Romney will campaign in Colorado on Saturday. They'll be joined by Randy Owen, the lead singer of Alabama, at a rally in Englewood in the evening. They'll also hold a rally at the Colorado Springs airport in the afternoon.