humid

A heat warning remains in effect for parts of northwestern Ontario as hot and humid conditions continue through Thursday.

Environment Canada says the yellow level warning shows that daytime highs will reach 29 to 31 C, with humidex values ranging from 33 to 38. Warm overnight temperatures will provide little relief, and some areas could see the heat linger into Friday.

Residents are encouraged to stay hydrated, limit strenuous outdoor activities, and check in on older adults and other vulnerable people. Meteorologists also warn that air quality could deteriorate as the heat continues.