Wine Storage Woes

So, my mother went out and bought 2 cases of Champagne for my wedding. I don't know what she got, but I trust the lady at the wine shop where she got it. (I honestly don't want to be picky, and it's a lovely thought for a gift.) What we would be drinking was quickly overshadowed when Mom told me where she had put it - in the garage. Argh!

Our garage goes through massive temperature fluctuations every day. Because it is warmed by the sun during the day, but not during the night, it gets warmer than the high temperature of the day, but just as cold as the low temperature every night. It can be 70-80 degrees in there during the day and 25 degrees at night. She wants to leave it in there until May! Argh! I tried to explain to her that the wine would be much, much better off in our basement (which is temperature-controlled along with the rest of the house) but she complains that the wine is heavy and refuses to move it. I could move it inside of 5 minutes, but I'm 400 miles away, and I simply can't take the time to drive there until after the holidays.

She seems to think I'm just being a pain-in-the-ass control freak bride. I just don't want to serve our guests ruined Champagne for the wedding. I've really, really tried to be nice about planning the wedding with her, but this comes just after I put my foot down about another thing she wants to do with the wedding that I felt was totally unreasonable. Now she thinks I'm just complaining for the sake of complaining.

I'm hoping the wine can take a few weeks of the temp bouncing until I can get down there and move it. Or maybe I can convince her to move it or someone in the city to come over and help her...