The Colts play inside climate-controlled Lucas Oil Stadium, which fans will appreciate, because the National Weather Service says it will be 94 degrees and sunny outside. It will be about 90 on Friday and 94 again on Sunday, for those traveling. USA TODAY ranks Lucas Oil Stadium as the fifth best in the NFL, while Sports Illustrated ranks it ninth.

Thursday's joint practice will be held at the Grand Park Sports Campus in Westfield, a northern suburb of Indianapolis where the Colts hold training camp. The open practice is scheduled to start at 2:00 p.m. CT and go until 4:00 p.m. CT.

Here are three things to watch in the Colts' joint practice against the Packers as positional battles heat up.