Humidex Reaching Near 40 Expected


POSTED AT: 4:41 AM EDT Friday 12 August 2016
Heat Warning in effect for:

  • Niagara Falls – Welland – Southern Niagara Region
  • St. Catharines – Grimsby – Northern Niagara Region

Humidex values reaching near 40 are expected.

Hot and humid conditions are expected to persist today, with daytime high temperatures once again in the low to mid thirties. Humidex values will reach the upper thirties to low forties this afternoon.

Another warm and muggy night is expected tonight with lows in the low to mid twenties.

A cold front, with scattered showers and thunderstorms, is expected to move slowly southward towards the Niagara region Saturday, but may not make it through until Saturday afternoon or evening. Hence, temperatures on Saturday are forecast to reach the low thirties, before cooler air finally arrives to end this heat wave Saturday night.

Heat illnesses include heat stroke, heat exhaustion, heat fainting, heat edema (swelling of hands, feet and ankles), heat rash and heat cramps (muscle cramps).

Drink plenty of liquids especially water before you feel thirsty to decrease your risk of dehydration. Thirst is not a good indicator of dehydration.

Frequently visit neighbours, friends and older family members, especially those who are chronically ill, to make sure that they are cool and hydrated.

Take a break from the heat by spending a few hours in a cool place. It could be a tree-shaded area, swimming facility or an air-conditioned spot such as a public building, shopping mall, grocery store, place of worship or public library.

Never leave people or pets in your care inside a parked vehicle or in direct sunlight.

Prepare meals that don’t need to be cooked in your oven.

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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