Environment Canada has issued a Heat Warning, in effect for:

  • West Nipissing – French River
  • North Bay – Powassan – Mattawa

The national meteorological service says persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions.

A heat event is expected today and Thursday.

A hot and humid airmass has reached the area and will remain in place through Thursday night. Maximum afternoon temperatures near 30 degrees are forecast today and Thursday with humidex values near 36. Overnight minimum temperatures are likely to remain near 18 degrees providing little relief from the heat.

A cold front Thursday night will bring cooler conditions and lower humidity for Friday.

Extreme heat affects everyone but 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 ONstorm@canada.ca or tweet reports using #ONStorm.