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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Edition Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Dozens of Environment Canada weather warnings are active this morning, stretching from southern Ontario through the northern Prairies and into the Atlantic region. A sharp cold front is bringing heavy snow bands to the Lake Huron and Georgian Bay shoreline, while freezing rain advisories are posted for parts of the Ottawa Valley and northern Quebec.
Where are the highest-risk warnings right now?
According to the live ranking above, the strongest alerts are concentrated across southern Ontario weather warning today zones, particularly communities along the Lake Erie and Lake Ontario shores. A multi-day lake-effect snow event is under way, with local accumulations predicted to exceed 30 centimetres. For the southern Ontario region, Environment Canada warns of near-zero visibility and rapidly deteriorating road conditions through the afternoon commute. Further north, northern Ontario weather warnings today are posted for the Sault Ste. Marie and Timmins areas, where an intense squall line is expected to drop 15–25 centimetres before tapering Friday morning.
What should you watch for in the next 24 hours?
Beyond the immediate snowfall, pockets of freezing drizzle are possible for the central Manitoba lowlands and the Lake Winnipeg corridor. Anyone checking the canada weather warnings map will see that maritime provinces have switched to rainfall warnings: Newfoundland’s Avalon Peninsula is under a heavy rain alert, with 30–60 millimetres expected into Thursday night. For those planning ahead, the weather in Canada 10 days outlook suggests a gradual moderating trend early next week, though the Lakehead region could see another round of flurries by Tuesday.
How do I check environment Canada weather warnings for my exact location?
Visit the official Environment and Climate Change Canada map and search by municipality or postal code. The live weather warning page also displays regional alerts sorted by severity.
Why are ontario weather warnings today mostly snow while the west gets rain?
Southern Ontario’s position downwind of the Great Lakes creates lake-effect snow when cold air crosses relatively warm water. The Prairies and British Columbia are influenced by a Pacific trough that draws milder, wetter air northward.
What is the difference between a watch and a warning for canada weather warnings tomorrow?
A watch means conditions are favourable for hazardous weather within 24–48 hours; a warning means the hazardous event is imminent or already occurring. Check the Weather Tomorrow Canada page for updated timing.