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North Glengarry, ON

Alerts in Effect

Heat Warning

Issued at 15:27 Monday 25 September 2017

Hot and humid conditions will continue early this week.

Mostly sunny skies have allowed daytime temperatures to reach the low thirties today, with humidex values approaching forty. Similar conditions are expected Tuesday.

A cold front is expected to move across Southern Ontario through the day Wednesday bringing cooler temperatures by Thursday.


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.

Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion.

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

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