Sunny skies, calm winds and a daytime high in the upper 20s on tap for Tuesday. Also, very high UV
For Tuesday in Calgary, expect mainly sunny skies, calm winds and a daytime high in the upper 20s. Also, a very high UV index.
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CTV News
41 minutes ago
- CTV News
Rain, thunderstorms and extreme heat: Here are this weekend's weather alerts
Environment Canada has issued more than 350 weather and air quality alerts for this weekend, including extreme heat warnings across much of Ontario. Here's what to know: Extreme heat alerts 'The first significant heat event of the season with dangerously hot and humid conditions will begin Sunday afternoon and is expected to continue into the week,' reads one of several heat-related alerts. As of Saturday afternoon, a wide area is under a severe heat warning including, all of southern Ontario, the Niagara, Muskoka and Bruce Peninsula regions, the Greater Toronto Area and along the St. Lawrence River to the southwestern Montreal area. Within that zone, daytime temperatures are expected to reach as high as 31 to 36 degrees Celsius between Saturday and late Tuesday, with a humidex of between 40 and 45. Temperatures will fall to between 21 and 25 degrees overnight, though Environment Canada notes it will be 'providing little relief from the heat.' A humidex of 40 to 45 has also sparked a special weather statement for an area roughly between Petawawa, Ont. in the west to the Quebec-Maine border, including the greater Montreal area. A heat warning is also in effect for the area along Ontario's southern border with Minnesota from Saturday into late Sunday, when temperatures are expected to reach between 28 and 30 degrees with overnight lows near 18 and humidex values close to 40. Manitoulin Island and the region between North Bay and Sault Ste. Marie, Ont., are also under a heat warning, with daytime temperatures of 30 to 32, humidex near 40 and overnight lows of 18 to 21 from Sunday into late Monday. In northwestern Yukon, a special weather statement notes a 'prolonged period of elevated temperatures' is expected this weekend, with daytime highs in the mid to high 20s. Residents in affected areas are advised to stay hydrated, seek out air conditioning, fans or shade, use ice packs and local cooling centres, and monitor for symptoms of heat exhaustion, including headaches and dizziness, nausea, thirst, dark urine and 'intense fatigue,' Environment Canada says. Additional symptoms such as a change in consciousness, red and hot skin and confusion may be signs of heat stroke, which the agency notes is a medical emergency. In the event of a heat stroke, you should call 9-1-1 and cool the person down while awaiting medical attention, Environment Canada says, such as by removing extra clothing, moving them to a cooler location and applying ice packs and cold water to their body. Rainfall and thunderstorms Parts of Canada are expected to see major rainfall this weekend. Weather watches are in effect in southwestern Quebec along the Ontario border, where Environment Canada says 'Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts, large hail and torrential rain.' Residents are warned that 'nautical activities could be hazardous,' and that they should seek shelter indoors if they hear thunder. 'Lightning kills and injures Canadians every year,' the alert warns. A mixture of warnings and special weather statements are also active in an area of western Canada from Last Mountain Lake in Saskatchewan in the east to Fernie, B.C., in the west. Wind and rain of between 40 and 130 mm is expected, varying by province and local area, from Saturday afternoon into Sunday morning. Trees in some areas may be uprooted and localized flooding is possible, as well as washouts near rivers, creeks and culverts, Environment Canada says. Drivers are advised to turn on headlights and maintain safe distances if visibility is reduced during storms. Further west, in the southern B.C. interior, a severe thunderstorm watch is in effect, and along Highway 3 near the U.S. border, wet snow accumulation may reach up to four centimetres near the Kootenay Pass summit, a separate statement says. Finally, a severe thunderstorm watch is active on the B.C.-Yukon border, where rain, wind and large hail may be hazardous. 'Please continue to monitor alerts and forecasts issued by Environment Canada,' it reads. Air quality alerts In addition to this weekend's weather alerts, air quality alerts linked to wildfire smoke are active in regions across western Canada, including in northwestern Ontario, eastern Manitoba, central Saskatchewan, northern Alberta and British Columbia. 'As smoke levels increase, health risks increase,' Environment Canada warns, advising those in affected areas to limit time spent outside and to consider rescheduling sporting events and other activities. Windows and doors should be kept closed as much as possible, and tools including ventilation with quality air filters, portable air cleaners and well-fitting respirator-type masks are recommended, though risks to health may persist. Those especially vulnerable to poor air quality include people aged 65 or older, pregnant people, infants and young children, people with existing illnesses or health conditions and those who work outdoors. Residents are advised to check in on neighbours and others in their care, particularly those who are vulnerable. You can view active alerts and other information at Environment Canada's weather information system here.
CBC
an hour ago
- CBC
Flood watches, streamflow advisories in place amid heavy rain in B.C. Interior
Officials have issued flood watches and high streamflow advisories for parts of northern B.C. and the Interior as rains and thunderstorms pass through the province. Environment Canada has issued a special weather statement warning of up to 40 mm of rain and embedded thunderstorms in the southern Interior through Saturday afternoon. Flood watches — which mean river levels are rising and could go over the top of banks — have been maintained for the Upper Columbia and East Kootenay regions in the east, as well as a portion of central B.C. Meanwhile, high streamflow advisories, which indicate that river levels are rising, are in place for regions stretching from the Peace in northern B.C. to the Similkameen in the south. "We're watching this pretty broad area, because it is a large precipitation event coming in, and it's coming from this unusual direction," said Natasha Cowie, a hydrologist with the B.C. River Forecast Centre. "It's a bit of an unusual storm because it's coming in from the eastern side, hitting the Rockies," she added. "So Alberta is probably going to get quite wet, and then some of that rain is going to make it on over to us as well." Alerts lifted as favourable weather helps B.C. wildfire fight It's hard to predict the exact areas where flooding could occur, as forecasters don't know exactly how much rain will fall, and how the ground will absorb it, Cowie said. "Use a lot of caution around rivers and streams, especially if you're out with children or with pets," she said. "Just be aware that flows are probably going to be pretty high. There could be a lot of debris in the water." Environment Canada said showers will be widespread Saturday in the southern Interior, and thunderstorms will further increase precipitation rates. A severe thunderstorm watch was issued for the South Thompson region, including Kamloops, just before 11 a.m. PT. Jane Cook, a fire information officer with the B.C. Wildfire Service, said the rainfall was good news and is helping bring down fire danger in the province. She added, however, that the thunderstorms in the southern half of the province could lead to wind gusts of up to 70 km/h. "Although this precipitation can bring a reprieve from that elevated fire activity, [in] regions that are receiving heavy rainfall, particularly those that have been experiencing prolonged drought, it brings the potential for moderate flood hazard to emerge," she said. Cook said that firefighting personnel were on standby in case they needed to assist with flood support this weekend.
CTV News
an hour ago
- CTV News
Start of Cavalry FC game postponed due to weather
If you're planning to head to Spruce Meadows to see Cavalry FC Saturday, pump the brakes. The Canadian Premier League club announced shortly after noon that the start of its scheduled 2:30 p.m. game against Pacific F.C. has been postponed. 'Due to the weather, kickoff for today's game has been postponed,' the club said. 'We will have another update shortly once Canada Soccer officials have assessed the field of play. (within the next hour).' This is a developing story that will be updated as more information becomes available.
