Ottawa weather: Environment Canada issues heat warning for Sunday, Monday

OK, back to the hot stuff.
Environment Canada said Saturday afternoon that temperatures for Sunday and Monday are expected to soar due to a a hot, humid airmass coming into the area.
“Daytime maximum temperatures are expected to be the low 30s with humidex values near 40,” the agency warns.Overnight lows aren’t expected to drop below 20 C in the urban districts.
The forecast is for a cold front to move in early Tuesday to hopefully return things to sanity.
For Saturday, the for