I live in Burnsville now, not far from Buck Hill (The Urban Mountain). A number of ski areas have vanished into memory but the ski "scene" here is active and strong. Buck Hill is still a highly respected race training facility for kids through close to high school as is the Team Gilboa program which works out of Hyland Hills. There are three traveling ski schools in town that I know of and in most years combined registration for those schools starts each season at probably 2,500 kids. Vail Resorts bought Afton two seasons back.
For the last two seasons we've had a pretty lively discussion thread on Epic revolving around local skiing.
Is skiing in decline here, not a chance.
I'm glad to hear it. Minnesota is a great place. I have many pleasant memories., still get out to canoe the BWCA a bit.