Ah, -19C today, and I'm finally over my cold. My wife wimped out and took the bus, but I made good time by leaving 5 minutes early and taking the lane. As Wulfheir mentioned, the cold should be done by Wednesday, and then we're in for a big fat Chinook. It will be -17C riding in, but -1C riding home. At that point, we'll be riding in slop for a week until it all melts away and I can go back to skinny tires.