a little trick i've learned with cycling clothes is when i'm making breakfast or something on a VERY VERY cold day
Go to Target or whatever and get yourself a small electric heater with fan (about $15). Point it at your clothes and shoes and they will be warm, and you don't have to do the water and bag thing. I got one pointed at my tootsies as I write. Don't have to heat the whole house (it is 28F outside), just my feet!