Overview of Latest Heat Warning: EC Alerts

Multiple active bulletins issued for this subscription.
Latest bulletin issued on Monday July 16, 2018 19:21 UTC by Environment Canada.

Heat warning continued for:
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Alert Details

Issued on Monday July 16, 2018 19:21 UTC
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Heat warning continued for:
  • Ottawa North - Kanata - Orléans, Ont. (045410)

A hot and humid airmass will continue to affect Ottawa tonight.

Overnight low temperatures are not expected to drop below 20 degrees tonight bringing little relief from the daytime heat.

A cold front will move through early Tuesday bringing an end to the heat.

Drink plenty of water even before you feel thirsty and stay in a cool place.

Check on older family, friends and neighbours. Make sure they are cool and drinking water

Reduce your heat risk. Schedule outdoor activities during the coolest parts of the day.

Never leave people or pets inside a parked vehicle.

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.

Issued on Monday July 16, 2018 19:05 UTC
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Heat warning continued for:
  • North Bay - Powassan - Mattawa, Ont. (049820)

A very warm and humid air mass continues to affect Northeastern Ontario today. Temperatures have reached near 30 degrees in many localities, with humidex values in the mid thirties.

However, a cold front moving through the region today will bring a cooler and less humid airmass in its wake tonight. The heat warning will likely be ended by Tuesday morning as overnight lows tonight are expected to be in the low to mid teens.

Daytime highs on Tuesday are expected to be closer to seasonal with temperatures expected the in the low to mid twenties.

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

Drink plenty of water even before you feel thirsty and stay in a cool place.

Never leave people or pets inside a parked vehicle.

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 ONstorm@canada.ca or tweet reports using #ONStorm.

Latest information is always available here: https://weather.gc.ca/warnings/index_e.html
Latest Alert Version: EC Alerts