Greater Toronto Area under severe thunderstorm watch with winds up to 110 km/h expected
Cold front moving from Michigan could bring hail and up to 40 mm of rain this morning and early afternoon.
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Environment and Climate Change Canada has issued a severe thunderstorm watch for Toronto and parts of Peel, York, Durham, and Halton regions, as well as Hamilton.
A cold front moving over Michigan early Saturday is expected to bring thunderstorms with the strongest impacts expected late morning and early afternoon. Forecasters warn of wind gusts up to 110 km/h, hail ranging from the size of a quarter to a ping pong ball, and rainfall amounts up to 40 millimetres.
The weather agency cautioned that "driving conditions may be difficult. Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible." Heavy rain could cause flash flooding and significant reductions to visibility.
The Toronto Caribbean Carnival Junior Parade was postponed one day to Sunday due to the weather forecast.
The facts
What wind speeds are expected in the GTA?
Wind gusts up to 110 km/h are expected in Toronto and surrounding regions.
When will the strongest thunderstorms hit?
The strongest thunderstorm impacts are expected late morning and early afternoon on Saturday, July 18, 2026.
How much rain could fall?
Rainfall amounts up to 40 millimetres are forecast for the Greater Toronto Area.
What event was postponed due to this weather?
The Toronto Caribbean Carnival Junior Parade was postponed from Saturday, July 18, 2026 to Sunday, July 19, 2026 due to the weather forecast.
