Sunday will be a windy day in Waterloo Region and Wellington County.
Environment Canada has issued a wind warning for the area and said there will be wind gusts of 80-90 km/h.
Widespread power outages may also be possible.
Environment Canada says that the southwest wind will develop late in the morning or early afternoon as a cold front moves through southern Ontario.
The agency adds that thunderstorms developing along the cold front may also bring wind gusts up to 100 km/h.
Loose objects may be tossed by the wind, Environment Canada warns, and drivers are advised to adjust to changing road conditions.
Winds will gradually easy by the evening.
The wind warning is also in effect for Dunnville-Caledonia-Haldimand, Grey-Bruce, Huron-Perth, Oxford-Brant, Simcoe-Delhi-Norfolk, and other communities across southern Ontario.