Environment Canada has issued an extreme heat warning for southern Manitoba due to temperatures over the course of the next few days are expected to stay above 20 degrees, reaching as high as the upper 30s.

Over the next three days, a hot and humid air mass will build in the southern part of the province and humidex values are expected to reach 38 degrees.

Daytime highs will climb into the low 30s with overnight lows in the low 20s.

Average seasonal temperatures are expected to return early next week.

The public is being reminded to take caution with this extreme heat.

Here are some tips to prevent heat-related illnesses:

  • drink plenty of liquids, especially water, before feeling thirsty;
  • avoid prolonged sun exposure;
  • cancel outdoor activities or reschedule them to cooler times of the day;
  • for those working outdoors, take breaks often and stay hydrated;
  • wear loose-fitting, light-coloured clothing and a wide-brimmed hat;
  • limit alcohol consumption;
  • close awnings, curtains or blinds to block out the sun at home;
  • take a cool shower or bath; or
  • go to an air-conditioned building such as a mall, community centre, public library or place of worship.

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.

Here are some symptoms of heat-related illness:

  • headache;
  • nausea;
  • dizziness;
  • lack of urination or dark-coloured urine;
  • weakness or tiredness;
  • mood changes;
  • muscle cramps; or 
  • rapid breathing or pulse.

For more information on heat and your health: