Well after slushville yesterday, today was icebergs. Temp dropped to 20F and slush froze in big chunks. Was really glad I put on the fatboys. What a pain but worth it. I think next year I suck it up and get some wide Marathons that will last and on clear days just ride the single speed. Temp is supposed to stay in the 20's, but so used to it know I just wore a windbreaker and armwarmers.