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Midland - Coldwater - Orr Lake

Alerts in Effect

Special Weather Statement

Issued at 12:31 Sunday 29 May 2016

A very warm and humid airmass remains over Southern Ontario. While heat warning criteria is not expected to be reached in most places, this is the first spell of very warm and humid weather of the season.

These conditions pose a health risk when you are not used to the heat. Everyone is at risk from heat, especially older adults, infants and young children, and people with chronic illnesses. You are advised to (1) drink plenty of cool liquids before feeling thirsty, and (2) keep cool by dressing for the weather and spending a few hours each day in a cool place.

Maximum temperatures today will be near the 30 C mark, with afternoon humidex values reaching the mid to upper thirties in many areas.

A weak cold front is expected to move across Southern Ontario tonight then through Eastern Ontario on Monday. A slightly cooler and less humid airmass will arrive in its wake on Monday, with maximum temperatures in the mid to upper twenties expected.

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

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