A heat warning has been issued for Windsor-Essex and Chatham-Kent with hot and humid weather returning to the region.
Environment Canada forecasters are predicting temperatures reaching 31 C with overnight lows near 21 C for Tuesday and Wednesday.
The weather service says a hot and humid air mass from the southern United States will move over the region Tuesday and remain on Wednesday. Afternoon temperatures are expected to be in the low thirties both days with humidex values in the upper 30s to near 40 C.
Environment Canada says temperatures are expected to return to normal with a cold front coming from the north Wednesday night.
