June 23 Weather: Brisk winds and thunderstorms headed to southern Ontario

After a week of hot and humid weather, accompanied by multi-day heat warning advisories, rain is set to return to southern Ontario.

Yesterday, Environment Canada issued a thunderstorm warning for much of southern Ontario. The warning predicted heavy rain with accumulations of up to 50 mm; strong winds, and the potential for hail. It seems like similar weather patterns will continue through today.

For those who enjoy a beautiful morning sky, today’s sunrise will be at 5:37 a.m., five minutes later than last week, as the days begin to shorten following the summer solstice.

Residents in Mississauga, Brampton, Halton, and Hamilton will wake up to a mix of sun and clouds, with a 60 per cent chance of thunderstorms. In Durham it will be mainly cloudy with a 40 per cent chance of thunderstorms.

It will be fairly breezy across the region, with wind speeds reaching 60 km/h in Mississauga, Brampton, and Durham, while Halton and Hamilton will experience brisk winds at 50 km/h.

Temperatures are expected to reach 26 C in Mississauga, Brampton, Halton, and Hamilton, while Durham region will be slightly cooler at 25 C.

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The UV index will hit very high at level 8. Environment Canada advises protecting your skin when the UV index is three or higher, particularly between 10 a.m. and 4 p.m.

Additionally, Health Canada says that if outdoors, individuals should seek shade, wear protective clothing and hats, apply SPF 30 or higher sunscreen, avoid tanning, use UV-protective sunglasses, and stay hydrated throughout the day.

Sunset will begin at 9:01 p.m.

By evening, skies will become mostly cloudy across all regions, bringing a 40 per cent chance of rain and the potential for thunderstorms.

Temperatures will drop by about 11 degrees, reaching 16 C in Mississauga, Brampton, and Halton, while Hamilton and Durham will see temperatures fall to 15 C.