Best ways to learn and improve during snowy winter months?

I’m planning on starting classes and track days next year. But I live in the Midwest so there’s months of snow starting this week.What can I read/watch/study/do to improve over the winter? via /r/Trackdays https://www.reddit.com/r/Trackdays/comments/9uhnxj/best_ways_to_learn_and_improve_during_snowy/?utm_source=ifttt