Ottawa Thunderstorm Watch: Damaging Winds and Hail Possible
Environment Canada issues thunderstorm watch for Ottawa with winds up to 110 km/h, hail, and tornado risk. Power outages possible.
Category : Extreme Weather
Heat Warning, Thunderstorm Watch End for Toronto, GTA
Environment Canada has ended the heat warning and severe thunderstorm watch for Toronto and the GTA after a day of extreme conditions.
Severe Thunderstorm Watch for Ottawa Tuesday Evening
Environment Canada has issued a severe thunderstorm watch for Ottawa on Tuesday evening, with potential for ping pong ball sized hail and strong winds.
Severe Thunderstorm Warning for Windsor-Essex
Environment Canada has issued a severe thunderstorm warning for Windsor-Essex, with potential for strong winds, hail, and heavy rain. Residents urged to take precautions.
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Severe Thunderstorm Watch for Toronto, GTA
Environment Canada has issued a severe thunderstorm watch for Toronto and parts of the Greater Toronto Area, warning of potential heavy rain, strong winds, and hail.
Severe Thunderstorm, Tornado Warnings for Ontario
Environment Canada warns of severe thunderstorms, possible tornadoes, and hail in southern Ontario on Tuesday, with a cold front expected Wednesday.
Hottest Day of Year Expected Wednesday in Maritimes
CTV meteorologist Kalin Mitchell explains the source of the Maritime heat wave, expected temperatures, and duration. Hottest day of the year so far on Wednesday.
Cloudy and Cool Tuesday in Winnipeg Before Warmup
Katherine Dow forecasts a cloudy, cool Tuesday for Winnipeg, with a warmup expected later in the week. Updated weather details for May 19, 2026.
Severe Storms, Tornado Risk in Southern Ontario
Southern Ontario faces severe storms and possible tornadoes amid a heat warning. Residents urged to stay alert and take precautions as conditions develop.
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Calgary Weather: Thunderstorms Possible; Highs in 20s by Weekend
Calgary faces thunderstorms Tuesday and Wednesday, with temperatures rising to the 20s by the weekend. Stay prepared for changing conditions.
Over 17,000 Evacuated in Southern California Wildfire
More than 17,000 people are under evacuation orders as a wildfire rages in Southern California, threatening homes and prompting emergency response.
Teen Seriously Injured by Tree in Muskoka Storm
A 19-year-old was seriously injured after being struck by a falling tree during a severe storm in Muskoka, Ontario. Emergency crews responded to the incident.
Heat Warnings Issued for Parts of Nova Scotia, Tuesday and Wednesday
Heat warnings have been issued for four Nova Scotia counties, with cooler temperatures near the coast. Residents advised to take precautions.
Thunderstorm Risk Late Tuesday, Gusty Wednesday in Edmonton
Edmonton faces thunderstorm risk late Tuesday with gusty winds Wednesday. Stay updated on weather alerts and safety tips from CTV News Edmonton.
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Storm in Mattawa Knocks Out Power, Downs Trees and Poles
A severe storm in Mattawa, Ontario, caused widespread power outages, downed trees, and damaged hydro poles. Crews are working to restore electricity and clear debris.
Huntsville Hit by Downed Trees and Hydro Poles; OPP Urges Caution
Severe storms in Huntsville caused downed trees and hydro poles. OPP urges residents to avoid non-essential travel. Cleanup underway.
Toronto Heatwave to Persist One More Day Before Cooler Weather
Toronto's sweltering heat will continue for one more day before temperatures drop. Residents urged to stay hydrated and avoid peak sun hours.
Heat, Storms in Windsor-Essex Before Midweek Cooldown
Sweltering weather persists in Windsor-Essex with heat warnings and storms expected before a sharp cooldown midweek. Stay informed on the latest forecast.
Heat Warning Continues in London Before Sharp Cooldown
London, Ont. remains under a heat warning as temperatures soar, but a sharp cooldown is expected midweek. Stay safe and hydrated.
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Ottawa's Hottest Day of Year So Far Expected Tuesday
Ottawa braces for record heat on Tuesday as temperatures soar. A heat warning remains in effect for Windsor-Essex, with a cooldown expected later. Stay safe and hydrated.
Severe Thunderstorm Watch Issued for Muskoka
Environment Canada has issued a severe thunderstorm watch for Muskoka, with potential for strong winds, hail, and heavy rain. Residents are advised to stay alert.
Severe Thunderstorm Watch for Greater Sudbury
Environment Canada has issued a severe thunderstorm watch for the Greater Sudbury area, with potential for strong winds, heavy rain, and hail.
Montreal Hot Weather Expected for Tuesday
Montreal is set to see high temperatures on Tuesday, with a heat warning in effect. Residents are advised to stay hydrated and seek shade.
Heat Warning in London, Ont. Continues, Cooldown Expected
London, Ont. remains under a heat warning with humidex making it feel like 35, but a cooldown is forecasted. Residents advised to take precautions.
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Heat Warning Continues in Windsor-Essex, Cooldown Coming
A heat warning remains in effect for Windsor-Essex, but a cooldown is expected soon. Residents are advised to stay hydrated and limit outdoor activities.
Heat Warning in Toronto: Feels Like 35°C
Toronto is under a heat warning as humidity pushes temperatures to feel like 35°C. Stay cool and hydrated during this early summer heat wave.
Extreme Heat Alert for Toronto and GTHA on Monday
Toronto and the GTHA brace for extreme heat on Monday, with temperatures soaring. Stay cool and hydrated as the heat wave hits.
Heat Warning for GTA as Summerlike Temperatures Arrive Early
Environment Canada issues heat warnings for southern Ontario as temperatures reach 30 C with humidex making it feel like 36 C. Precautions advised.
Yellow Heat Warning Issued for London, Ontario Area
Environment Canada has issued a yellow heat warning for southwestern Ontario, including London, as temperatures rise over the Victoria Day weekend.
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First Heat Event of Season Hits GTA and Hamilton
The Greater Toronto and Hamilton Area braces for its first heat event of the season, with temperatures expected to soar. Residents are advised to stay cool and hydrated.
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