Definitely, the higher you go, the higher the wind speed. There's usually a big jump once you get above the rim of the ballpark, which at Wrigley is ~97 ft behind home plate. For that fly ball, the wind at field level was about 5 mph, at the rim about 15 mph, and at its 150+ ft apex about 25 mph.
add a skeleton here at some point
about 2 months ago