Hurricane Isaias could influence weather conditions across parts of Canada during the Thanksgiving long weekend, with the storm’s remnants potentially bringing rain to southern Ontario and Quebec as the system moves north from the United States. The storm is expected to approach the northern U.S. Gulf Coast late Friday or early Saturday. While the most severe conditions are forecast to remain concentrated in the United States, the system could weaken as it moves inland and carry moisture toward the Great Lakes region by early Sunday. Southern Ontario is among the areas to watch, as bands of rain could move into the region on Sunday and continue into Monday, Thanksgiving Day. The timing and intensity of the rainfall will depend on the storm’s track and how it interacts with other weather systems. Southern Quebec could also experience showers as moisture moves across the Great Lakes and into eastern Canada. However, rainfall amounts may vary significantly from one community to another, and some areas could experience only limited effects. Tropical systems can transport substantial amounts of moisture far beyond their original landfall locations. Even after a hurricane loses its tropical characteristics, its remaining moisture can contribute to widespread rainfall when it interacts with other weather systems. This means the effects of Isaias could extend into Canada even if the storm weakens considerably before reaching the border. The storm is not the only weather system expected to influence Canada over the holiday weekend. Parts of Alberta and British Columbia could experience colder-than-seasonal temperatures, with snowfall possible in some areas, particularly at higher elevations. Meanwhile, parts of southern Ontario and Quebec could experience milder temperatures alongside periods of rain. Atlantic Canada could also see changing conditions as other weather systems move through the region. Parts of the Maritimes and Newfoundland may experience showers, while Labrador could see snow in some areas. The exact timing and distribution of precipitation will depend on the movement of these systems. The contrast between regions highlights the unpredictable nature of Canadian fall weather. While some communities could enjoy mild temperatures and sunshine, others may face rain, colder conditions or early-season snow. In the United States, Isaias poses a more immediate threat, with the potential for heavy rainfall, damaging winds, coastal flooding and dangerous storm-surge conditions in affected areas. Emergency officials are preparing for possible disruptions, particularly along vulnerable coastal communities. For Canada, the primary concern is the possibility of additional rainfall rather than direct hurricane-force winds. Even a weakened tropical system can produce significant precipitation, potentially affecting travel and outdoor activities during a busy holiday weekend. Canadians planning Thanksgiving road trips, family gatherings, camping or outdoor events should monitor local weather forecasts before heading out. Heavy showers can reduce visibility, make roads slippery and increase travel times, particularly along major highways. The storm’s eventual path will determine how much of its moisture reaches Canada. A shift in its track could direct more rainfall toward Ontario and Quebec, while a different route could limit the effects in some communities. With Thanksgiving falling on Monday, October 12, forecasters will continue refining their predictions as Isaias approaches land and its movement becomes clearer. Residents are encouraged to follow local weather updates and any official advisories issued for their areas. For now, southern Ontario and Quebec remain the main regions to watch for possible rainfall linked to the storm, while parts of western Canada prepare for a colder long weekend. Whether Isaias significantly disrupts Thanksgiving plans will depend on how the system evolves over the coming days.