Environment Canada has issued a humidex advisory for Windsor.

The agency says Tuesday may feel like the hottest day of the summer, due to hot, humid air blowing in from the American Midwest.

The 35 C temperature, combined with humidity, will make it feel like 45 C.

The Windsor Essex County Health Unit declared Tuesday's heat level as a Level 2, which includes one or more days reaching a humidex of 45 C.