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.
A sudden stratospheric warming event has begun, deforming the Polar Vortex and setting the stage for a colder start to winter across the United States, Canada, and Europe.
A record-breaking bomb cyclone ripped through Newfoundland from November 4 through 5, 2025 bringing along Category 2 hurricane force winds, coastal flooding, and causing widespread damage across the region.
A developing bomb cyclone over the northwest Atlantic is expected to reach Newfoundland on Tuesday, November 4, 2025, with wind gusts exceeding 100 km/h (62 mph) and waves reaching up to 6 m (20 feet).
A large sea surface temperature anomaly has developed in the North Pacific Ocean, extending toward the U.S. West Coast. Forecasts suggest the anomaly could help trigger colder-than-average conditions across central and eastern United States and Canada during the upcoming 2025/26 winter season, with a weak La Niña further reinforcing the setup.
A strong atmospheric river is forecast to shift southward along the British Columbia coast between September 26 and 29, 2025, bringing several low-pressure systems and periods of heavy rainfall to Vancouver Island and the South Coast. Forecasts suggest up to 100 mm (4 inches) of rain in west-facing coastal mountains, with persistent showers likely across the Lower Mainland.
A severe hailstorm struck southeastern Alberta, Canada, on August 20, 2025, producing wind gusts up to 150 km/h (93 mph), large hail, and widespread damage to crops, livestock, and infrastructure.
Toronto, Ontario recorded one of its hottest summers on record in 2025, with six heatwaves, 14 days above 32°C (90°F), and 24 nights above 20°C (68°F) as of August 24, according to Environment Canada.
More than 60 hikers were airlifted from Bugaboo Provincial Park, British Columbia, at around 08:00 local time (LT) on August 17, 2025, after a glacial lake outburst flood blocked exit routes.
An atmospheric river (AR) with moderate-to-strong integrated vapor transport (IVT) exceeding 500 kg m⁻¹ s⁻¹ is forecast to make landfall over the Pacific Northwest and southern British Columbia on the evening of August 14, 2025, bringing sustained AR conditions for about 24 hours and significant precipitation through August 16.
