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It will be feeling more like fall across southern Ontario through Friday, but hot and humid conditions return in time for the Labour Day long weekend and transition back to school.

Heat and humidity return in time for the Labour Day long weekend

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Dr. Doug Gillham
Meteorologist, PhD

Thursday, August 28, 2014, 10:01 AM - After one day of heat and humidity on Tuesday, a hint of autumn has returned to southern Ontario as temperatures dropped to the lower teens and even single digits this morning.

Abundant sunshine will allow the temperature to recover to the lower 20s today, but tonight will be rather chilly once again with temperature near or even a degree or two cooler than last night.

However, the cool down will be short-lived. An approaching warm front will bring more clouds during the day on Friday with the threat for a passing shower, especially towards cottage country, but most of the day will be dry.

Saturday will be much like Tuesday with a gusty southwest wind, temperatures near 30°C and a humidex that will approach 40.

Late in the day the threat for showers and thunderstorms will increase, especially across cottage country and to the west of the GTA. Most of the day will be rain-free in the GTA, but the threat for storms will increase as we head into Saturday night.

The threat for showers and thunderstorms will continue into Sunday, but there will be rain-free periods with some sunshine mixed in as well.

Scattered showers and thunderstorms are possible on Monday, especially late in the day, but overall Labour Day should be drier than Sunday. Temperatures will remain above seasonal with highs in the mid to upper 20s and a Humidex in the low to mid 30s.

As children head back to school next week, temperatures should continue to feel more like late summer rather than early autumn for most of the week. While we have had very little hot weather during July and August, summer is not over just yet as September will bring periods of warm weather to southern Ontario.

TUNE IN: Watch the Weather Network on TV as we keep an eye on the approaching long weekend.

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