Hot and heavy: The humidex could hit 43 today

Ottawa is in for a hot, muggy, and wet one on Tuesday, with the temperature forecast to hit 31 C.
Given some of the heat waves we’ve had over this summer, that may not sound like much, but with the humidex making it feel like 43, it would be wise to pack some extra water if you’re going outside (or, find a place indoors to keep cool).
If you are planning on spending some time outdoors today, best to do it early, though: There are thunderstorms in the forecast in the late afternoon an