Province issues uncomfortable heat warning for Prince Edward Island

The Chief Public Health Office (CPHO), in coordination with the PEI Emergency Measures Organization (EMO) and partners, is advising Islanders that a Yellow (Level 1 – uncomfortable heat) warning is in effect for Prince Edward Island from Wednesday (August 5) to Friday (August 7) (issued on August 4, 2026).

FROM August 5. 2026: Maximum temperature of near 30 degrees Celsius (Humidex: 36 C). Minimum temperature of 19 degrees Celsius.

UNTIL August 7, 2026: Maximum temperature of 29 degrees Celsius. Minimum temperature of near 18 degrees Celsius.

Weather conditions and alerts may change. Islanders should check current forecasts and alerts from Environment and Climate Change Canada for the latest information.

Heat-related illnesses are preventable. Some people are more likely to get sick during heat, or to become seriously ill faster: 

  • Older adults, especially those living alone
  • Infants and young children
  • People with chronic conditions (heart, lung, kidney disease, diabetes, mental health conditions)
  • People taking certain medications that affect hydration, sweating, or temperature regulation
  • Pregnant people, infants and young children
  • People who work or exercise outdoors, or work in hot indoor environments
  • People experiencing homelessness or living in housing with limited cooling or ventilation
  • People who are socially isolated, have limited transportation, or face barriers to accessing supports 

Know the signs and symptoms of heat-related illnesses

  • Dizziness, fainting, weakness, and high body temperature
  • Headache
  • Nausea or vomiting
  • Muscle cramps
  • Heavy sweating
  • Unusual fatigue, confusion, or feeling unwell in heat 

If symptoms are severe or worsening, seek urgent medical help. Call 911.

What you can do:

  • Check on others frequently, especially older adults and anyone with chronic illness 
  • Drink cool liquids regularly, especially water, even before feeling thirsty 
  • Keep your home cooler by closing curtains or blinds during the day and limiting heat producing activities 
  • Plan or reschedule outdoor activities for cooler parts of the day Wear loose, light coloured, breathable clothing
  • Never leave people or pets in a parked vehicle
  • If your home is hot, spend time in a cool place such as a public building with air conditioning (for example a library, shopping mall, community centre, or place of worship) 

Stay informed and be prepared: • PEI Extreme Weather Safety page • StayCoolPEI • Preparing for Heatwaves • ECCC WeatherCAN app: Islanders can install WeatherCAN to receive official weather alerts


 

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