Extended Heat and Flood Alert in Effect for Mississauga


Published July 29, 2019 at 5:59 pm


While most people enjoy hot summer weather, the City of Mississauga is warning residents to exercise caution to avoid heat-related illnesses. 

Environment Canada recently announced that a heat warning is currently in effect for Halton and Peel (Mississauga, Brampton, Caledon, Oakville, Burlington, Milton and Halton Hills). The weather agency says that daytime maximum temperatures in the low thirties are expected along with overnight low temperatures near the 20-degree mark.

Environment Canada says some residents might get a break from the heat in some areas today as showers or thunderstorms are possible.

The weather agency also says that hot and humid air can also bring deteriorating air quality and can cause the Air Quality Health Index to approach the high-risk category.

A cold front is expected to deliver a cooler and less humid air mass on Tuesday.

Today, the Region of Peel’s Medical Officer of Health issued an extended heat warning for Peel. The warning will be in effect until further notice.

The region says that if you feel faint, have difficulty breathing or feel confused and disoriented because of the heat, call your doctor. In an emergency, call 9-1-1. 

The region has provided the following tips:

  • Drink lots of plain cool water before you feel thirsty
  • Stay cool and if possible, stay in an air-conditioned place
  • Wear a wide-brimmed hat, UV protective sunglasses, and loose-fitting long shirts and pants
  • Stay in the shade whenever possible
  • Reschedule or plan outdoor activities for cooler parts of the day
  • Call or visit family, friends and neighbours, especially isolated adults and seniors who are at greater risk of suffering from heat-related illness.

As far as extreme heat goes, the risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors. 

Residents are reminded to never leave children, pets, or vulnerable people in a parked vehicle for any length of time. 

A flood outlook is in effect for Mississauga, as thunderstorms are expected to develop this afternoon into this evening. Some areas may receive total rainfall amounts of 50 mm in an hour or less.

While flooding of the Credit River and its major waterways is not expected, intense rainfall associated with thunderstorms can cause flash floods in urban areas. As a result, local streams and rivers could become dangerous, especially in the vicinity of culverts, bridges and dams. 

The public is advised to stay away from all watercourses and to ensure that children and pets avoid waterways as well. 

If you see flooding, call 3-1-1.

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