Environment Canada
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Wawa - White River - Pukaskwa

Warnings

3:44 PM EDT Saturday 04 July 2020
Heat Warning in effect for:



A long duration heat event will continue through the weekend. Relief is likely by Monday.

Daytime high temperatures in excess of 30 degrees Celsius, with humidex values in the mid thirties, are expected until Sunday. Overnight lows near 19 degrees Celsius will provide little relief from the heat.

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.


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.

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

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.


 

3:43 PM EDT Saturday 04 July 2020
Heat Warning in effect for:



A heat event continues through the weekend into early next week.

Inland from Lake Superior, daytime high temperatures near 29 degrees Celsius can be expected. Overnight lows will range from 16 to 20 degrees Celsius with the coolest temperatures again near Lake Superior.

Cooler temperatures are forecast by next Tuesday.

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.


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.

Never leave people or pets inside a parked vehicle.

Watch for the symptoms of heat illness: dizziness/fainting; nausea/vomiting; rapid breathing and heartbeat; extreme thirst; decreased urination with unusually dark urine.

Outdoor workers should take regularly scheduled breaks in a cool place.

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.



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Sault Ste. Marie - Superior East

Warnings

3:46 PM EDT Saturday 04 July 2020
Heat Warning in effect for:


  • Sault Ste. Marie - St. Joseph Island

A heat event will continue through the weekend into next week.

Inland from the Great Lakes, daytime high temperatures near 29 degrees Celsius, with humidex values in the low to mid thirties, are expected over the next several days. Overnight lows will range from 16 to 20 degrees Celsius with the coolest temperatures near the Great Lakes.

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.


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.


 

3:43 PM EDT Saturday 04 July 2020
Heat Warning in effect for:


  • Agawa - Lake Superior Park
  • Searchmont - Montreal River Harbour - Batchawana Bay

A heat event continues through the weekend into early next week.

Inland from Lake Superior, daytime high temperatures near 29 degrees Celsius can be expected. Overnight lows will range from 16 to 20 degrees Celsius with the coolest temperatures again near Lake Superior.

Cooler temperatures are forecast by next Tuesday.

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.


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.

Never leave people or pets inside a parked vehicle.

Watch for the symptoms of heat illness: dizziness/fainting; nausea/vomiting; rapid breathing and heartbeat; extreme thirst; decreased urination with unusually dark urine.

Outdoor workers should take regularly scheduled breaks in a cool place.

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.



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Special weather summary for parts of Ontario

No special weather summaries for Ontario are available.