Canada, US: Lake-effect snow likely across the Great Lakes region through at least Jan. 16

Lake-effect snow is forecast around the Great Lakes through at least Jan. 16. Snowfall accumulations of 15-30 cm (6-12 inches) are expected in lakeside areas, with higher accumulations of 30-60 cm (12-24 inches) possible in places. Hazardous driving conditions are likely due to icy roads and reduced visibility caused by blowing and drifting snow. Sporadic power outages may occur in affected areas.

Environment Canada has issued red snow squall and snowfall warnings (the highest level on a three-tier scale) across parts of southern Ontario around Lake Huron and Lake Superior. Yellow snow squall watches and grey weather advisories have also been issued across other parts of southern Ontario.

The US National Weather Service (NWS) has issued lake-effect snow warnings for parts of northern and western New York and far northwestern Pennsylvania. Winter storm warnings are in place for parts of northwestern Michigan and winter storm watches for far northeastern Ohio. Winter weather advisories are in effect for parts of far northeastern Minnesota, central and northern Michigan, and north-central and western New York.

Officials will likely issue new alerts and update or rescind existing advisories as weather conditions change over the coming days.

The inclement weather will likely cause widespread transport disruptions across the affected areas. Traffic and commercial trucking delays are probable along regional highways. Dangerous and challenging driving conditions are also likely on secondary and rural roads as maintenance crews prioritize clearing major routes. Authorities will likely close stretches of highways if driving conditions become too hazardous. Gusty winds will threaten to topple high-profile vehicles throughout the affected areas. The disruptive weather will likely cause delays and cancellations at airports in the affected regions. Snowfall and strong winds could bring down power lines and trees with foliage.