Skip to content
HighOnCity Toronto
→ TORONTO · ONGOING COVERAGE

Extreme Weather Impacts Greater Toronto

Toronto is experiencing significant weather disruptions ranging from dangerous heat waves to severe thunderstorms, with effects on public transit, emergency services, and residents' health. Coverage tracks the region's shifting conditions and their consequences across multiple days.

6D AGO

Heavy rain and thunderstorms forecast for Toronto Tuesday with humidity feeling like 32 C

After days of wildfire smoke, Environment Canada is calling for 70 per cent chance of rain Tuesday with locally heavy downpours possible...

13D AGO

Toronto sweats through near-record heat as GO Transit, TTC face major delays

Tuesday's 36.2°C matched the hottest day of 2026 as transit systems buckled under extreme weather, with air quality warnings also in effect.

15D AGO

Heat warning blankets Toronto and Brampton through Wednesday

Environment Canada issued a yellow heat warning Monday, with temperatures reaching 36°C and humidex values up to 45°C. The city is...

18D AGO

Heavy rain and damaging winds hitting Toronto Thursday under storm warning

20D AGO

Heat wave sent 39 Toronto residents to emergency rooms between June 30 and July 4

Peak temperatures of 36°C and a humidex of 48 drove heat-related hospital visits, with 15 recorded on the hottest day, July 2.

21D AGO

Heat wave breaks as Toronto cools to 26°C with mixed sun and clouds through Friday

After days above 30°C and humidex values reaching 48°C, Environment Canada forecasts more comfortable temperatures but humidity remains high.

23D AGO

Heat warning extended through Saturday as Ontario battles extreme humidity and dangerous temperatures

Environment Canada's orange heat warning continues across Ontario this weekend as the province experiences temperatures near 40°C and...

24D AGO

Heat warning extended through Saturday as Toronto battles dangerous humidity

Environment Canada extended the alert after record-breaking temperatures and humidex values near 40°C. Cooling centres and water...

24D AGO

Thunderstorms and heat warnings loom over Toronto's final World Cup weekend

Environment Canada forecasts heavy rain and electrical storms Friday while extreme heat lingers, threatening outdoor FIFA Fan Festival events.

26D AGO

Canada Day celebrations hit despite heat wave and storms

26D AGO

Toronto braces for severe thunderstorms and extreme heat through Friday

Environment Canada warns of damaging winds up to 100 km/h, quarter-sized hail, and temperatures reaching 37°C as heat wave continues.

26D AGO

Extreme heat blankets Ontario through Canada Day weekend; vulnerable populations at greatest risk

Orange heat warnings stretch from Windsor to Ottawa as temperatures reach 37°C. Advocates warn homeless and elderly residents face...