A powerful bomb cyclone is forecast to strike Ontario bringing heavy snow, freezing rain, and severe winds from Sunday through Tuesday, December 28 to 30, 2025, as the deepening low crosses the Great Lakes. Environment and Climate Change Canada has issued Winter Storm and Freezing Rain Warnings, with snowfall totals of up to 50 cm (20 inches) and gusts exceeding 100 km/h (62 mph) expected in some areas.
A strong Alberta Clipper storm will move through northern Ontario on Thursday and Friday, December 18 and 19, 2025, dropping 20–30 cm (8–12 inches) of snow, gusts up to 80 km/h (50 mph), and a sharp temperature drop. The system will create blowing snow and flash-freeze conditions on major highways, including routes between Kenora and Thunder Bay.
Severe thunderstorms impacted eastern Ontario and southern Quebec, Canada on July 13, 2025, producing up to 100 mm (3.9 inches) of rain in 90 minutes, flash floods, wind gusts up to 90 km/h (56 mph), and widespread power outages affecting more than 60 000 customers.
A clipper system moving through Ontario on February 28, 2025, is expected to bring heavy snowfall, with accumulations of up to 15 cm (5.9 inches) in some regions. The system will primarily affect northern and eastern Ontario, including Ottawa, where snowfall will impact the evening commute.
A powerful winter storm swept through southern Ontario, Canada on Wednesday, February 12, 2025, bringing over 20 cm (7.9 inches) of snow to some areas and creating hazardous travel conditions across the region. Schools along with other institutions have been closed off for Thursday, February 13 due to the storm with stronger winds in the forecast and dangerous travel conditions being likely to continue.
An intense winter storm roared through southern Ontario on Friday night, March 3, 2023, bringing heavy snowfall, thundersnow, and howling wind gusts. Despite spring being just a few weeks away, the storm resulted in dangerous travel, scattered power outages, and flight disruptions.
A Texas low is bringing the potential for significant snowfall to southern Ontario, with the City of Toronto expecting accumulations of up to 15 cm (5.9 inches) on Wednesday and Thursday, January 25 – 26, 2023. This powerful storm system is expected to bring difficult travel conditions and reduced visibility, making it important for residents to plan ahead and consider postponing non-essential travel.
An Arctic airmass affecting much of the US has made its way across Canada, with Toronto, Hamilton, and Ottawa airports smashing low temperature records as old as 1905. Ottawa residents woke up to the coldest November 13 in the city's history. The temperature…
Whiteout conditions on Highway 400 between Highway 89 and Mapleview Drive near Barrie, Ontario caused a major multi-vehicle pileup around 10:00 local time on February 25, 2019. The highway was reopened several hours after the crash and only minor injuries have been…
A prolonged period of very cold wind chills is forcing authorities to keep extreme cold warnings active over almost entire Ontario and Quebec, Canada. Extreme cold warnings are issued when very cold temperatures or wind chill creates an elevated risk to health such…
