Southern Ontario Snow Squalls 2025 Map. Snow squalls can produce intense accumulating snow or near zero visibility. More than 40 centimetres of snow is possible if snow squalls stay in one area, environment canada said.
Snow squalls off lake huron and georgian bay are expected to develop late thursday afternoon or early in the evening. A snow squall warning is in place for the lake huron and southern georgian bay shores, highlighting the potential for up to 30 cm of snow through wednesday.