Does it matter what I major in for undergrad?

I'm applying to colleges in a few months and I'm very interested in becoming a meteorologist. I'm planning on getting my bachelor's degree, then masters. It's hard to find schools that have anything even remotely close to an atmospheric science major so I was wondering if it really matters as much what I major in as an undergrad if I'm going for my masters. When I'm applying for jobs after I'm done with school, do they look closely at what I got my bachelor's degree in?