Heat Warning - July 29 to August 1

July 28, 2021

Environment Canada announced today that a heat wave is developing in the Fraser Valley region starting Thursday, July 29 and continuing until the morning of Sunday, August 1.

The daytime high temperatures will reach the low 30's combined with overnight lows in the upper teens are expected.

Extreme heat affects everyone:
Environment Canada and local Medical Health Officers expect an increase in health and safety risks from heat and are advising the public to take precautions.

  • 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.
  • 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.
  • Seek a cool place such as a tree-shaded area, swimming pool, shower or bath, or air-conditioned spot like a public building.
  • Shade yourself with an umbrella or a wide-brimmed hat.
  • Never leave people or pets inside a parked vehicle.
  • Ask a health professional how medications or health conditions can affect your risk in the heat.
  • Watch for the symptoms of heat illness: dizziness/fainting; nausea/vomiting; rapid breathing and heartbeat; extreme thirst; decreased urination with unusually dark urine.
  • Keep your house cool. Block the sun by closing curtains or blinds.
  • Outdoor workers should take regularly scheduled breaks in a cool place.


To get more information:

  • Sign up for the emergency notifications - Alertable app
  • Check the local news for health and safety updates.
  • Check HealthLinkBC online resources about heat-related illness and how to protect yourself 
  • Call HealthLinkBC at 8-1-1 to ask about heat-related illness.
  • Environment Canada