September heat event expected

September is going to start with hot and humid conditions.Environment Canada issued a yellow heat warning for Sarnia-Lambton late Monday afternoon.The heat event is expected to start Tuesday, September 1, and continue into Wednesday, September 2.Daytime highs may reach up to 31 C with humidex values near 38.The national weather agency is encouraging residents to watch for early signs of heat exhaustion, which may include headache, nausea, dizziness, thirst, dark uri