Scorching UV levels Thursday, muggy Friday, possible thunderstorms on race weekend

Thursday is looking sunny — and don’t forget your sunscreen — but the risk of rain rolls in Friday and hangs around all weekend.
The UV index is expected to be 8 or very high for Thursday with sunny skies, southwesterly winds at 20 km/h, a high of 25 C and a low of 14 C.
Friday’s forecast features mainly cloudy skies with a 60 per cent chance of afternoon showers, southwest winds at 20 km/h gusting to 40 and a high of 25 C that will feel more like 30. There’s a 40 p