09/01/2026
☀️ Heat Warning in Effect
Hot and humid conditions are expected through September 2, with humidex values approaching 40.
Please take precautions, stay hydrated, limit time in the heat when possible, and check in on those who may be more vulnerable.
🚨Environment Canada is forecasting a heat event starting this afternoon and continuing into September 2nd. Daytime highs will be as high as 32 degrees Celsius, with humidex values near 40. Overnight low temperatures are expected to be near 23 degrees Celsius.
During a heat warning, residents should take precautions to protect themselves and the most vulnerable from heat related illness. Those most vulnerable to the effects of the heat include older adults, infants and young children, outdoor workers, and homeless persons who do not have shelter, proper clothing or food.
✅Anyone who experiences physical distress because of extreme temperatures should seek medical attention immediately, either by calling 911 or by going to the nearest emergency department.
✅Residents in Elgin County, Oxford County, and the City of St. Thomas are recommended to monitor the weather forecast to evaluate the risk of exposure to heat as conditions could change.
✅Visit Environment Canada's website for the most up-to-date information.
? 👉Southwestern Public Health issues heat warnings when Environment Canada forecasts temperatures that are expected to be at least 31°C and overnight temperatures are at or above 20°C for two days or the Humidex is forecasted to be at least 40°C for two days.