9:18 AM EDT Monday 15 July 2024 Heat Warning in effect for: Rodney - Shedden - Western Elgin County A heat event will continue today and possibly into Tuesday for some areas. A humid airmass has reached the region. Daytime maximum temperatures are expected to be near 29 degrees Celsius with humidex values near 40. There will be little relief at night as minimum temperatures are expected to be near 20 degrees Celsius. Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high risk category. A cooler airmass is expected to arrive Tuesday. Extreme heat can affect everyone?s health. Drink plenty of water regularly, even before you feel thirsty to decrease your risk of dehydration. Thirst is not a good indicator of dehydration. Limit direct sun exposure. Shade yourself by wearing a wide-brimmed, breathable hat and/or an umbrella. Never leave people, particularly children, or pets inside a parked vehicle. Ask a health professional, such as a pharmacist or physician, how medications or health conditions can affect your risk in the heat. When it?s hot, eat cool, light meals. Avoid using the oven. 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 . Watches 9:15 AM EDT Monday 15 July 2024 Severe Thunderstorm Watch in effect for: Rodney - Shedden - Western Elgin County Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and large hail. Hazards: Toonie sized hail. Wind gusts near 90 km/h. Timing: This morning. Discussion: Thunderstorms this morning have developed over southwestern Ontario and will continue tracking east over the area. Large hail can damage property and cause injury. Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles. Locally heavy rain is also possible. Lightning kills and injures Canadians every year. Remember, when thunder roars, go indoors! Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches. Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall. 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 . For more information: ontario.ca/page/be-prepared-emergency .