Snow Squall Strain Information 2025 Forecast. If the squall locks in place overnight, areas such as simcoe county and southern kawartha lakes could see prolonged periods of heavy snow, leading to extremely poor travel conditions, potential road closures, and. By sunday evening, snow squall activity will likely shift northward into muskoka and parry sound, intensifying briefly and delivering heavy snow to areas like port carling and.

Locations east of lake huron, simcoe. By monday evening, forecast models indicate the formation of a more organized snow squall.