Heat Warning in Effect

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heat

Humidex values reaching near 40 are expected.

A sizzling mid summer airmass is moving into Northwestern Ontario from the Northern United States today. Temperatures are expected to reach the 29 degree mark this afternoon, then climb further into the low thirties Wednesday through Friday. Afternoon humidex values will reach high thirties today and near 40 Wednesday to Friday.

With early morning low temperatures in the upper teens to low twenties, little relief is expected from the heat and humidity.

This heat wave is expected to come to an end on Saturday when cooler and less humid air arrives from the west.

Heat illnesses are preventable.

While heat can put everyone at risk from heat illnesses, health risks are greatest for:

  • older adults;
  • infants and young children;
  • people with chronic illnesses such as breathing difficulties, heart conditions or psychiatric illnesses;
  • people who work in the heat;
  • people who exercise in the heat;
  • homeless people; and
  • people without access to air conditioning.

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

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 [email protected] or tweet reports to #ONStorm.

Location Warning Watch Statement
Atikokan – Upsala – Quetico
Chapleau – Gogama
City of Thunder Bay
Dryden – Ignace
Elliot Lake – Ranger Lake
Fort Frances – Rainy Lake
Fort Hope – Webequie
Geraldton – Manitouwadge – Hornepayne
Greater Sudbury and vicinity
Kapuskasing – Hearst
Kenora – Nestor Falls
Kirkland Lake – New Liskeard – Temagami
Lake Nipigon – Wabakimi
Moosonee – Fort Albany
Nipigon – Marathon – Superior North
Pickle Lake – Wunnummin Lake
Red Lake – Ear Falls
Sandy Lake – Pikangikum
Sault Ste. Marie – Superior East
Sioux Lookout – Savant Lake
Superior West
Timmins – Cochrane
Wawa – White River – Pukaskwa