Current Conditions - Onefour, AB

Latest Weather News - Lethbridge

• Tornado warning downgraded as thunderstorm sweeps over Medicine Hat, southeastern Alberta

  The severe thunderstorm was over a rural area between Brooks, Medicine Hat and Lethbridge, and was moving was moving to the southeast at 40 km/h.

  Weather

  5 hours
• Tornado touches down in Peace River region of northwestern Alberta

  Environment Canada confirmed a tornado touched down and said the storm developed suddenly, with no watches or warnings issued beforehand.

  Weather

  9 hours
• Advertisement
• Severe thunderstorm watch issued for Calgary, Lethbridge, Medicine Hat

  Environment Canada has issued a severe thunderstorm watch for much of southeastern Alberta on Tuesday, with the possibility of large hail and a slight chance of a tornado.

  Weather

  9 hours
• Advertisement
• Home insurance costs soared 45% in 6 years due to extreme weather: StatCan

  Vehicle insurance premiums also rose 23.9 per cent due to extreme weather claims, according to Statistics Canada in newly released data.

  Weather

  10 hours
• Popular hiking area west of Canmore closed because of rockslide danger

  Alberta Parks has shut down a large area around a series of popular hiking trails just west of Canmore because of the dangers caused by a recent rockslide.

  Environment

  Jun 11
• Environment Canada issues severe thunderstorm warning for Calgary area

  The city of Calgary and areas to the south were placed under a severe thunderstorm watch by Environment Canada Thursday afternoon.

  Weather

  Jun 11
• No relief: Environment Canada predicts hot, humid summer across country

  After a particularly cold and snowy winter across much of Canada, summer is bringing the heat.

  Weather

  Jun 5
• Lethbridge officials urge water conservation amid high river flows

  Following heavy rain over the weekend, city officials in Lethbridge are sounding the alarm over concerns at the water treatment plant.

  Environment

  Jun 3
• Advertisement
• Heavy rainfall, snowpack melt has Canmore dealing with localized flooding

  The Bow River is pushing its banks in the mountain town of Canmore, causing some basements to flood and bringing back memories from a severe deluge of water in 2013.

  Weather

  Jun 2
• Advertisement
• Banff monitoring Bow River for flooding amid heavy downpour, snowpack melt

  A high streamflow advisory is in effect for the Bow River as snowpack melt and heavy rainfall washes away. A number of trails in Banff have been closed due to water pooling.

  News

  Jun 1
• Smoke, heat, rain and flooding; what to expect from Western weather

  From B.C. to Manitoba, weather warnings are in effect through Sunday. From heavy rain and flooding, to wildfire smoke and high heat, residents are urged to plan for conditions.

  Canada

  May 31
• A month’s worth of rain coming to Edmonton, parts of Alberta in next few days

  A significant rainfall of 50 to 90 millimetres is expected across much of Alberta by early to mid-next week with localized amounts over 100 mm possible.

  Weather

  May 29
• With days of heavy rain in the forecast, southern Alberta prepares for flooding

  With up to 100 millimetres of rain in the forecast over the next few days, communities in southern and central Alberta are preparing for the possibility of flooding.

  Weather

  May 29
• Flood watch, high streamflow advisories issued in Banff National Park

  Rising waters, caused by unseasonably warm temperatures, has prompted a high streamflow advisory to be issued for the Bow River in Banff National Park.

  Weather

  May 28
• Advertisement
• B.C. will face the ‘highest and most sustained’ 2026 wildfire risk

  The outlook comes after years of intense wildfires with the 2025 wildfire season being Canada’s second-worst on record, with nearly 90,000 kilometres consumed as of September 2025.

  Canada

  May 28
• Advertisement
• Environment Canada issues heat warnings for large parts of Alberta, Saskatchewan

  Environment Canada has issued a 'yellow' heat warning for a large swath of southern Alberta and Saskatchewan with temperatures in the low- to mid-30s C in the forecast.

  Weather

  May 26
• Canada has seen 8 tornadoes so far. How’s this season shaping up?

  An investigation is underway near London about whether the Ontario city saw a tornado during Tuesday's severe storm which downed trees and damaged vehicles.

  Canada

  May 20
• 30 cm of snow to 30 C: Long weekend weather varies greatly across Canada

  Multiple weather systems are bringing a mixed bag of weather across Canada for the long weekend, with snow and wind in the Prairies and above-seasonal temperatures across Ontario.

  Weather

  May 15
• Evacuation alert issued due to out-of-control wildfire near Sundre

  An out of control wildfire that's burning about 35 kilometres northwest of Sundre, Alta., has prompted an evacuation alert to be issued for the area.

  Fire

  May 14
• What could a supercharged El Nino mean for Canada?

  There's growing evidence that a supercharged El Nino will develop over the next few months, spelling possible hot and dry conditions to come for large parts of Canada.

  Weather

  May 14
• Advertisement
• Batten down the hatches: 100 km/h winds, rain — or snow — to sweep across Alberta

  Gusts of 80 to 100 km/h are expected across central and southern Alberta due to the low-pressure system, along with up to 30 mm of rain that could turn to snow as the mercury dips.

  Weather

  May 13
• Advertisement
• Fort McMurray seeks answers from province over Highway 63 storm response

  The massive, sudden snowfall that started on April 23 left hundreds of stranded drivers on Highway 63 without food, water, or proper communication for almost 24 hours.

  Traffic

  May 6
• Evacuation alert remains in place for residents near Fort McMurray

  While river levels and floodwaters have been receding in the Fort McMurray area, more than 130 residents in the nearby community of Draper remain on evacuation alert.

  Environment

  May 4
• Large brush fire in Rocky View County under control

  Rocky View County says a large brush fire that started on Thursday near Ghost Lake, west of Calgary, is now under control and no longer considered to be active.

  Fire

  May 1