Recent weather reports indicate significant winter conditions affecting parts of Ontario. Flurries have hit Waterloo Region, with snow squalls reported in Stratford and Woodstock, leading to hazardous travel conditions. In London, heavy snowfall has caused delays in school buses, with Environment Canada issuing a snow squall warning and predicting an additional 10 to 15 centimeters of snow throughout the day. Visibility has been severely reduced in some areas, and travel conditions are expected to deteriorate further. Schools operated by Thames Valley District and London District Catholic school boards experienced delays of up to 45 minutes, with two cancellations due to driver shortages. The region is also facing a forecast of continued snow squalls until the afternoon, with flurries persisting into the evening and night. Meanwhile, Toronto's weather is influenced by Lake Ontario, which causes the lake-effect snow phenomenon, contributing to local snowfall and colder temperatures. The lake's effect on Toronto's weather includes increased snowfall during winter months, impacting daily life and travel. Overall, Ontario regions are experiencing challenging winter weather conditions, with snow squalls, delays, and reduced visibility affecting transportation and daily activities.