Heat warning
Environment Canada says a heat event continues across Chatham-Kent, with moderate impacts and high forecast confidence.
Temperatures are expected to reach 30 to 32 C Thursday, with overnight lows of 20 to 23 C and humidex values near 40. The heat warning is expected to end tonight.
Residents are advised to drink water regularly, limit exposure to the sun and schedule outdoor activities during cooler parts of the day. People are also encouraged to check on older adults, those living alone and others who may be more vulnerable to heat-related illness.
Signs of heat exhaustion can include headache, nausea, dizziness, thirst and intense fatigue. Heat stroke is a medical emergency and requires immediate medical attention.
Environment Canada advises residents to continue monitoring weather alerts and forecasts.
The warning is in effect for Chatham-Kent and Rondeau Park.
Today – September 3, 2026
Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 29. Humidex 39. UV index 6 or high.
Tonight
Cloudy with 60 percent chance of showers and risk of a thunderstorm. Fog patches developing after midnight. Low 20.
Fri, 4 Sep – Cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. High 27. Humidex 35. UV index 5 or moderate. Night – Cloudy with 40 percent chance of showers. Low 20.
Sat, 5 Sep – A mix of sun and cloud with 40 percent chance of showers. High 25. Night – Clear. Low 14.
Sun, 6 Sep – Sunny. High 26. Night – Clear. Low 16.
Mon, 7 Sep – Sunny. High 26. Night – Cloudy periods. Low 16.
Tue, 8 Sep – A mix of sun and cloud with 30 percent chance of showers. High 28. Night – Cloudy periods. Low 20.
Wed, 9 Sep – Cloudy. High 30.
