High temperatures reaching or exceeding 29 degrees Celsius and overnight lows near 14 degrees Celsius will begin on Wednesday and last into Thursday night. ### Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion. Heat warnings are issued when very high temperature conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion. For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html For more heat health advice, visit: https://www.albertahealthservices.ca/news/heat.aspx. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ABstorm@ec.gc.ca, call 1-800-239-0484 or post reports on X using #ABStorm.