Environment Canada, EverythingGP · 2026-07-18T14:41:08.000Z
Environment Canada has upgraded severe thunderstorm watches to warnings for the Peace region, forecasting large hail (loonie to ping pong ball size), strong winds, and heavy rain. Heat warnings remain in effect for areas from Dawson Creek, Grande Prairie, and Valleyview north to the territorial boundaries. A severe thunderstorm watch is also in place for the Greater Toronto Area, with potential for gusts up to 110 km/h and 40 mm of rain.
Environment Canada Issues Severe Thunderstorm Warnings and Air Quality Advisory for Southern Ontario, Including GTA and Ottawa
Environment Canada (via CBC, insauga.com, bayobserver.ca, CityNews Ottawa) · 2026-07-18T00:00:00.000Z
Environment Canada has issued yellow-level severe thunderstorm warnings for the Greater Toronto Area, Mississauga, Hamilton, Burlington, and Ottawa. These storms could bring wind gusts up to 110 km/h, quarter to ping-pong ball sized hail, and heavy rainfall (25-50 mm). A brief red tornado warning was issued and subsequently lifted for parts of Halton and Peel regions. An air quality warning for the GTA has been downgraded to yellow due to wildfire smoke from northwestern Ontario, with smoke levels anticipated to increase overnight. The Toronto and Region Conservation Authority has also issued a flood outlook due to expected high rainfall intensities.
Environment Canada (via CBC) · 2026-07-18T00:00:00.000Z
The Greater Toronto Area is currently under a severe thunderstorm warning, with forecasts predicting strong wind gusts, hail, and heavy rainfall. This warning is attributed to a cold front moving into the region. Simultaneously, an earlier air quality alert for the area, which was due to wildfire smoke, has been downgraded, indicating an improvement in air conditions.
Severe Thunderstorm Warnings, Flood Outlook, and Yellow Air Quality Alert Issued for Southern Ontario, Canada
Environment Canada (via CBC News) · 2026-07-18T00:00:00.000Z
Environment Canada has issued Severe Thunderstorm Warnings for the Greater Toronto Area (GTA) and Ottawa, with conditions favorable for strong wind gusts up to 110 km/h, large hail (quarter to ping pong ball sized), and heavy rainfall (25-50 mm). A brief red-level tornado warning was issued and subsequently called down for Halton and Peel regions. A Flood Outlook is in effect for the Toronto region due to high rainfall intensities, with localized flooding reported. The air quality warning for the GTA has been downgraded to yellow, indicating moderate risk, as smoke from northwestern Ontario wildfires continues to affect the region, though thunderstorms may offer temporary relief.
Environment Canada / Global News / Oakville News / EverythingGP · 2026-07-18T00:00:00.000Z
Environment Canada has issued a tornado warning for Halton, Ontario, alongside severe thunderstorm warnings for the Peace region in Alberta, forecasting damaging winds, large hail, and heavy rain. Additionally, air quality warnings are in effect for Ottawa due to wildfire smoke, with the index expected to reach high risk levels. Heat warnings also persist across parts of British Columbia, Newfoundland and Labrador, and the Northwest Territories.
Environment Canada / City of Mississauga · 2026-07-18T00:00:00.000Z
Environment Canada has elevated a severe thunderstorm watch to a warning for the Peace region, predicting large hail, strong winds, and heavy rainfall, advising residents to seek immediate shelter. Concurrently, Mississauga is under a severe thunderstorm watch with potential for damaging winds, heavy rain, and large hail. A flood outlook has also been issued for Mississauga due to anticipated high water levels.
Environment Canada (via EverythingGP) · 2026-07-18T00:00:00.000Z
The Peace region of Alberta is under a severe thunderstorm warning, with forecasts predicting large hail, strong winds, and heavy rainfall. Concurrently, other parts of Alberta are experiencing heat warnings, and the far northwest corner is affected by an orange air quality warning due to wildfire smoke. This combination of alerts highlights diverse weather challenges across the province.
Severe Thunderstorm Warning Issued for Peace Region, Alberta, Canada, with Large Hail and Strong Winds Expected
Environment Canada / EverythingGP · 2026-07-18T00:00:00.000Z
Environment Canada has upgraded a severe thunderstorm watch to a warning for the Peace region of Alberta. Meteorologists are forecasting 'loonie to ping pong ball size hail' along with strong winds and heavy rain. Residents are advised to take immediate cover. Heat warnings remain in effect for areas north of Dawson Creek, Grande Prairie, and Valleyview. An orange air quality warning is also in place for the far northwest corner of Alberta, including High Level, La Crete, and Fort Vermilion, due to wildfire smoke.