While most of Muskoka is dealing with a thunderstorm watch, Environment Canada has issued a thunderstorm warning for the Port Carling, Bracebridge and Port Severn areas. The weather agency says the thunderstorm over Southern Georgian Bay are tracking east at about 70 kilometres an hour. Much like the rest of Musoka, these areas are going to see showers tonight with a few thunderstorms. But it will clear out by tomorrow.