The roof remained closed at University of Phoenix Stadium, where the NFL football's Super Bowl XLIX will be played, while the grass field remained outside in the sun, Tuesday, Jan. 20, 2015, in Glendale, Ariz. At this point, the NFL says it plans to keep the retractable roof open at the stadium for the Feb. 1, 2015, NFL championship game between the Seattle Seahawks and New England Patriots, but the plan can change as the league gets a better read on the weather forecast for game night.

Roof open or closed for Super Bowl?

At this point, the NFL says it plans to keep the retractable roof open at University of Phoenix Stadium for the Feb. 1 game between the Seat…