An intense weather system brought widespread heavy rainfall to northern and central Alberta over the weekend, resulting in localized flooding and sewer backups in some areas. The system delivered significant amounts of rain on June 20 and 21, with some of the highest totals recorded in and around the Edmonton region. As of 4 a.m. MDT Monday, the largest rainfall total was reported at Elk Island National Park, where 133 millimetres of rain had fallen. Other notable amounts inc

Summer officially arrives across Canada today, bringing the longest day of the year and signalling the start of a season many have been eagerly awaiting. The summer solstice occurred this morning, marking the moment when the Northern Hemisphere is tilted most directly toward the sun. The annual event results in the year's greatest amount of daylight and officially ushers in the summer season. While the solstice marks the beginning of astronomical summer, warmer weather often

Heavy rain and thunderstorms swept across parts of Ontario and Quebec this week, bringing significant rainfall totals, strong winds and localized damage. In Ontario, a moisture-laden low-pressure system moved through southern portions of the province between the evening of June 17 and the morning of June 18, producing heavy rain and thunderstorms. Strong wind gusts also affected parts of southwestern Ontario, with minor damage reported in Windsor and Chatham. The highest repo

The first storm of the Atlantic Hurricane Season has formed. Tropical Storm Arthur is about 35 kilometres north-northwest of Matagorda, Texas. Arthur is expected to bring life-threatening flash flooding to parts of the southeastern United States as it moves inland over Texas, according to the U.S. National Hurricane Center. The storm has maximum sustained winds of 75 km/h, with higher gusts, and is expected to weaken as it moves farther inland. Arthur could dissipate by late

More thunderstorms are expected today across the Prairie provinces. Most of Alberta will see thunderstorms today. The area at the greatest risk of seeing severe storms is southwestern areas such as Fort Macleod. In these areas, winds may gust to 90 km/h and hail of 2 to 4 cm in diameter is possible. Elsewhere across the province, non-severe storms are expected. Across southern Saskatchewan and southern Manitoba, storms are expected to develop this afternoon. Any storms that

Starting tonight, a low pressure system will move across southern Ontario, bringing thunderstorms, heavy rain, and strong winds. Most of the region will see rainfall amounts of 20 to 40 mm; however, in thunderstorms, rainfall amounts of 60 mm could fall. Overnight into Thursday, winds along the shores of Lake Erie will gust to 90 km/h; by tomorrow afternoon, winds will diminish to 70 km/h. Elsewhere across southern Ontario, winds will gust to 70 km/h or 80 km/h. Southern area