Brace yourselves: Weather office issues season's first heat warning

Environment Canada has issued the first heat warning of the year for Ottawa on Sunday.
According to the federal weather watcher, temperatures are expected to soar to near 31 C on both Sunday and Monday.
The agency is still forecasting the possibility of showers on both days, with thunderstorms a possibility on Sunday.
Evenings will bring some relief, but temperatures are expected to remain in the 20s overnight.
Environment Canada is warning seniors and small children to be particularly aware of