Snow Storms and Marathon Training

I have missed more training days in the last 3 weeks than I took off this entire year combined. I need these never ending snow storms to stop, or a least give me 3 good days a week so I can trot out 3 hard workouts. My long runs have been few and far between, my tempo runs have been cancelled.. I have I normally run at least 7 miles a day. Now trotting out 4 miles on snow covered sidewalks feels like I'm running 10. I am in desperate need of a couple more good hard weeks of training. No end in sight. Note to self. The idea of running a marathon in South Carolina in January is great. Training for one in the winter time in Michigan is a bad idea. Continuing on...