Why aren’t football stadiums in colder climates always designed as a closed dome?

Question

For example, when the Green Bay Packers built their stadium they had to have known it would constantly be snowing. Same with Kansas Citt Chiefs.

In: Engineering

Answer 1

Lambeau Field (home of the Packers) was built in 1957. The first domed stadium in the NFL was built in 1968

They just weren’t building indoor football stadiums when the Packers built their stadium