There's a lot on the line Saturday night with the Coke Zero Sugar 400 at Daytona. But there's some other NASCAR racing going on, too.

Nigel Kinrade Photography Two of the national NASCAR series are in action this weekend at Daytona International Speedway. Cup Series teams will close out the regular season with a Saturday night race.

Is NASCAR in luck? Or can fans expect weather interruptions at Daytona International Speedway this week? Here's the Coke Zero Sugar 400 forecast.