Monday, August 10, 2020

Heat warning, mix of sun & cloud, high 33°C, humidex 40°C, UV index 10

Today – July 6, 2020

Sunny. Becoming a mix of sun and cloud this afternoon. High 33 except 27 near Lake Erie. Humidex 40. UV index 10 or very high.

Tonight

Partly cloudy. Low 20.

Heat warning

A prolonged period of hot weather will continue today and through the rest of this week.

Daytime high temperatures in excess of 31 degrees Celsius, with humidex values in the high thirties to low forties, are expected for this week. Overnight lows near or in excess of 21 degrees Celsius are also expected through this period, providing little relief from the heat.

A slightly cooler airmass may move into the area this weekend, however there is considerable uncertainty.

Please refer to your public forecast for further details on expected temperatures.

Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high risk category.

Never leave people or pets inside a parked vehicle.

Extreme heat affects everyone.

The risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors.

Watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@canada.ca or tweet reports using #ONStorm.

Tue, 7 Jul – Sunny. High 33 except 27 near Lake Erie. Humidex 41 except 34 near Lake Erie. UV index 10 or very high. Night – Clear. Low 23.

Wed, 8 Jul – Sunny. High 34. Night – Clear. Low 22.

Thu, 9 Jul – Sunny. High 35. Night – Clear. Low 23.

Fri, 10 Jul – Showers. High 33. Night – Showers. Low 21.

Sat, 11 Jul – Cloudy with 60 percent chance of showers. High 30. Night – Cloudy periods with 60 percent chance of showers. Low 19.

Sun, 12 Jul – Cloudy with 60 percent chance of showers. High 31.

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