Thunderstorm watches are ringing out across Parry Sound and Muskoka this afternoon. Environment Canada has issued a severe thunderstorm watches for Port Carling, Port Severn, Parry Sound, Rosseau, Killbear, Bracebridge, Huntsville, Gravenhurst, and Baysville. Conditions are favourable for the development of severe thunderstorms with large hail, damaging winds or heavy rainfall. Thunderstorms have already developed in some areas and the activity is expected to intensify through the afternoon hours. Keep listening as we'll keep you updated on thunderstorm activity.