A yellow heat warning is in effect for parts of the Golden Horseshoe as temperatures are expected to soar above 30 C for the next few days. The City of Hamilton and Niagara Region are under the warning, according to Environment Canada. The federal agency said in its advisory that the “heat event” is expected to last through Wednesday, possibly into Thursday. There is no heat warning for Toronto, but humid weather made a return on Tuesday. It will be mainly cloudy on Wednesday with a 70 per cent chance of showers in the morning. Environment Canada said showers or thunderstorms could begin late Wednesday afternoon. The daytime high will be 29 C with a humidex value of 37. Wet conditions are expected to persist on Thursday with a high of 26 C. Skies will clear and a dry long weekend is in the forecast. “It should be a great one weatherwise, with daytime highs in the mid-20s, plenty of sunshine, and little chance of rain from Friday to Sunday.” The national weather agency says Toronto will have sunshine and highs of 26 C on Friday, 25 C on Saturday, and 24 C on Sunday.
