8:57 AM EDT Sunday 28 July 2024 Heat Warning in effect for: Timmins - Cochrane - Iroquois Falls A heat event continues into Tuesday. Maximum daytime temperatures of 29 to 33 degrees Celsius are expected, with humidex values approaching 40 on Sunday. Overnight minimum temperatures will be 17 to 20 degrees Celsius. At this time, a slightly cooler and less humid airmass is expected to arrive Tuesday night. Although overnight lows may be cooler, warm daytime highs are expected through next week. Extreme heat can affect everyone?s health. The health risks are greater for older adults, infants and young children, pregnant people, people with physical and/or mental illnesses, and people with disabilities or mobility issues. Never leave people, particularly children, or pets inside a parked vehicle. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm .