Smoke set to return as hazardous heat settles over Ontario

Forecasts

The latest Weather Forecast news stories from The Weather Network

Weather Forecasts

Weather

Today's top Weather news from The Weather Network

Featured Weather News

Severe storm risk persists across northern Ontario on Sunday night

Ridge to push temperatures 10+ degrees above seasonal in B.C.

Believe it or not, 2025’s hurricane season is ahead of the curve

Severe

The latest severe weather news from The Weather Network

Severe Weather

Why extreme heat is one of the world’s deadliest weather disasters

Heat warnings issued in Ontario, nights will offer little relief

Severe weather likely on Sunday, one or two tornadoes possible

Plan ahead: Severe storms, tornado threat targets northwestern Ontario

Heat and humidity fuel hazardous weekend storm risk on the Prairies

Stormy Saturday interrupts southern Ontario's weekend

After feeling like the 40s, is Ontario done with extreme heat?

Beware of overnight flooding as strong storms hit the Prairies Friday

Lightning strikes woman in west Edmonton during severe thunderstorm

Why yogurt might belong on your windows this summer

Seasonal

The latest seasonal weather news from The Weather Network

Seasonal Weather

 'It's a myth': Tires don't protect vehicles from lightning

Canadian Armed Forces firefighting crews to arrive in Sask. by Saturday

Severe storm threat with strong winds over the Maritimes Friday

Roofs torn off, possible tornado: Severe thunderstorms hit Quebec hard

PHOTOS: Large hail and 'serious winds' batter parts of Ontario, Quebec

Damage, power outages reported as storms sweep through Ontario, Quebec

Severe storms, tornado risk target Alberta before shifting east

Leaf Rapids wildfire worsens, forcing essential workers to evacuate: Province

Dangerously hot weather returns to Ontario, warnings in effect

Thunderstorm potential is revived on the Prairies with rising energy, system

Tornado risk in Thursday severe weather setup in parts of Ontario, Quebec

Only 3 wildfires now burning across N.L., as rain helps quell blazes

Flooding rains and lightning: Multi-day storm threat hits Ontario 

Thick smoke to linger in Sask. until Friday

Severe weather threat on the move across Ontario to include south and east

Late-July chill yields a rare summer frost advisory in Alberta

Supercells possible with severe storm setup in northwestern Ontario

Jasper rising from the ashes: A journey of recovery one year later

Rainfall warnings continue to trample on Calgary’s parade

The colour of your child's bathing suit could make swim time safer

What's the temperature 'sweet spot' for swimming in lakes and rivers?

Thunderstorms and rain across the Prairies, as Alberta faces rare summer snow

Evacuated Musgrave Harbour resident ponders fate of home when he returns

Crews continue to battle out-of-control wildfires, but rainfall should help

Musgrave Harbour remains under evacuation order, wildfire 2 km away from town

U.S heat will soon spill into Eastern Canada, bringing back 30 C weather

How wildfires are disrupting traplines and raising questions in northwest Sask.

Rain and thunder roll into Atlantic Canada to start the week

From flash floods to drought: Canada's summer split by extremes

Severe weather risk precedes major cooldown for parts of the Prairies

Multi-day storm risk with hail, heavy rain pops up in Atlantic Canada

The 2003 heat wave in Europe killed more than 30,000 people

Why has 2025 seen so much widespread, intense flash flooding?

Storm risk returns to the Prairies as fresh instability arrives Sunday

Sick of heat and humidity? This brief break is on your horizon

Severe weather risk could disrupt your weekend in Ontario

What happens to your body if lightning strikes it

What is a shelf cloud? The science behind this dramatic formation

This invasive beetle could be destroying your summer bloom

Painful sun poisoning goes viral, and yes that is a real thing

Intense winds knock people off their feet ahead of typhoon

Why you should ditch that fun floatie this summer

From flames to forecasts: How wildfire smoke affects your weather

What is swimmer's itch? And how can you treat it?

What is a mesoscale convective system? How an 'MCS' can spell danger

What is the longest domestic direct flight in Canada?

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