2024 Winter Predictions Ontario Usa. Ontario’s winter will be filled with a whirlwind of both snow and rain while the best chances of a white winter being in the prairies. Wet, milder, longer season for much of us.

Based on the first round of winter forecasts, the emerging trends point to a slow start to winter, with cold air anomalies expanding across the central and eastern. And the potential impacts of a weak la niña phase and the polar vortex.