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 powerful ice storm swept across northern U.S. and eastern Canada over the weekend, leaving more than 450 000 customers without power and causing significant ice accretion from Michigan to Ottawa.
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.
A major traffic accident shut down Highway 11 through Orillia, Ontario, Canada on February 7, 2025, as whiteout conditions reduced visibility to near zero, resulting in one fatality.
A powerful, rapidly intensifying cyclone wreaked havoc across the northwestern United States and parts of Canada on Wednesday, November 20, 2024, causing at least 2 deaths and leaving more than 600 000 customers (approximately 1.5 million people) in the U.S. without power. Another 140 000 customers (approximately 335 000 people) were left without power in B.C., Canada.
A powerful Pacific low pressure system will impact the Northwest United States and Canada with strong winds, heavy rains and heavy mountain snow, starting Tuesday, November 19, 2024. The storm is expected to rapidly intensify as it approaches the coast.
An unexpected and heavy October snowfall blanketed Whitehorse with 15 to 20 cm (6 to 8 inches) of snow. The storm began on October 30, 2024, in Yukon’s capital, following a series of early snowfalls earlier in the month.
Category 4 Atmospheric River (AR) made landfall over British Columbia, Canada on Friday, October 18, 2024, dropping very heavy rain and leaving at least 2 people dead.
An unusually strong atmospheric river struck British Columbia and Alaska from September 22 to 24, 2024, bringing widespread precipitation and causing floods and landslides.
