Ontario is currently facing extreme cold temperatures as Environment Canada has issued yellow alert warnings for many communities across the province. The wind chill factor is expected to push temperatures down to dangerous levels, with forecasts indicating wind chill values ranging between -30 °C and -40 °C depending on the location. Affected areas include the south down to Windsor and the Greater Toronto Area (GTA), and as far north as Kapuskasing and east to Ottawa.

Residents in Northern Ontario are likely to experience the coldest temperatures, with the conditions worsening throughout the day. Southern regions like the GTA and Ottawa are already feeling the effects of this cold snap, reporting wind chills that reached -34 °C in Ottawa and -33 °C in the GTA. These severe wind chills are predicted to persist through to Monday morning, making daily activities challenging and increasing the risk of frostbite and other cold-related health issues for individuals outside.

The situation in Ontario is sharply contrasted by the milder weather in Western Canada, where temperatures have been significantly warmer. This unusual weather pattern highlights the diverse climatic conditions across Canada and serves as a reminder of the challenges posed by severe winter weather, particularly in the face of climate change. Authorities are advising residents to take necessary precautions to stay warm and safe during this cold snap, underscoring the importance of being prepared for such extreme weather conditions.