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Extreme heat forecast for Wednesday, Thursday as humidex nears 40

Environment Canada has issued a heat warning for Waterloo region on Wednesday and Thursday as temperatures are forecast to break through 30 C, with the humidity making it feel nearly 40.

Temperatures expected to cool Thursday evening

CBC News ·
Keeping cool will be important over the next few days as temperatures hit 30 to 33 C and humidex values top out at 40. (Jolene Smith)

Hot humid days are ahead this week, warns Environment Canada, as temperatures are forecast to reach between 30 and 33 C starting Wednesday afternoon.

The weather authority issued a heat warning Tuesday, saying the humidity will make it feel even warmer. Humidex values are expected to reach 40.

Environment Canada also cautioned there won't be much relief in the evenings; overnight lows will stay above 20 C. 

"Extreme heat affects everyone," Environment Canada said in its weather warning, adding the people at greatest risk during heat events are older adults, people with chronic illnesses, pregnant people and young children.

Anyone who works or exercises outside is also at risk of heat stroke or heat exhaustion.

WATCH | An ER physician talks about increases in heat-related illness:

ER physician on increases in heat-related illness

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Vancouver emergency room physician Dr. Daniel Kalla on the precautions, warning signs and potential remedies for heat-related illnesses as temperatures reach record highs, and how to cool down.

The hot, humid temperatures are expected to let up on Thursday evening; that could be even sooner for areas hit by regional showers or thunderstorms. 

As of Tuesday, Environment Canada forecast highs of 25 C on Friday, 21 C on Saturday and 22 C on Sunday.

The cities and townships have cooling centres set up at the following locations:

Kitchener

  • Bridgeport Community Centre at 20 Tyson Dr.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Centreville Chicopee Community Centre at 141 Morgan Ave.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Chandler Mowat Community Centre at 222 Chandler Dr.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Country Hills Community Centre at 100 Rittenhouse Rd.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Doon Pioneer Park Community Centre at 150 Pioneer Dr.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Forest Heights Community Centre at 1700 Queen's Blvd.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Ken Seiling Waterloo Region Museum at 10 Huron Rd.
    • 12 p.m. to 4 p.m. Thursday and Friday, 11 a.m. to 4 p.m. Saturday and Sunday
  • Kingsdale Community Centre at 72 Wilson Ave.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Kitchener Downtown Community Health Centre at 44 Francis St. S
    • 9 a.m. to 5 p.m. Monday to Thursday, 8 a.m. to 4 p.m. Friday 
  • Region of Waterloo Headquarters at 150 Frederick St. 
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Stanley Park Community Centre at 505 Franklin St. N.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Victoria Hills Community Centre at 10 Chopin Dr.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday

Cambridge

  • Region of Waterloo building at 150 Main St.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday.
    • 9:00 a.m. to 12:00 p.m. Saturday and Sunday.

Waterloo

  • Region of Waterloo building at 99 Regina St. S.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Waterloo City Hall at 100 Regina St. S. 
    • 7 a.m. to 6 p.m. Monday to Friday
  • RIM Park Manulife Sportsplex at 2001 University Ave E.
    •  7 a.m. to 11 p.m. every day
  • Waterloo Memorial Recreation Complex at 101 Father David Bauer Dr.
    • 7 a.m. to 11 p.m. every day
  • Albert McCormick Community Centre at 500 Parkside Dr.
    • 7 a.m. to 11 p.m. every day
  • Moses Springer Community Centre at 150 Lincoln Rd.
    • 8 a.m. to 10 p.m. every day

North Dumfries

  • North Dumfries Community Complex at 2958 Greenfield Rd. in Ayr.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday
  • Waterloo Regional Library at 137 Stanley St. in Ayr.
    • 10 a.m. to 8 p.m. Tuesday and Wednesday, 10 a.m. to 4 p.m. Thursday, 2 to 6 p.m. Friday, 10 a.m. to 2 p.m. Saturday

Wellesley

  • Waterloo Regional Library at 5279 Ament Ln, Linwood.
    • 4 to 8 p.m. Tuesday and Wednesday, 10 a.m. to 2 p.m. Thursday
  • Waterloo Regional Library at 3605 Lobsinger Ln, St. Clement.
    • 10 a.m. to 2 p.m. Tuesday, 4 to 8 p.m. Wednesday, 2 to 6 p.m. Friday
  • Waterloo Regional Library at 1137 Henry St. in Wellesley.
    • 1 to 8 p.m. Tuesday, 4 to 8 p.m. Wednesday, 10 a.m. to 5 p.m. Thursday, 10 a.m. to 2 p.m. Saturday

Wilmot

  • Waterloo Regional Library at  115 Snyder's Rd. E., Baden.
    • 10 a.m. to 5 p.m. Monday and Thursday, 1 to 8 p.m. Tuesday and Wednesday, 10 a.m. to 2 p.m. Saturday
  • Waterloo Regional Library at 1176 Queen St., New Dundee.
    • 4 to 8 p.m. Tuesday and Thursday, 10 a.m. to 2 p.m. Wednesday and Saturday.
  • Waterloo Regional Library at 145 Huron St., New Hamburg.
    • 10 a.m. to 5 p.m. Monday and Thursday,  1 to 8 p.m. Tuesday and Wednesday,  2 to 6 p.m. Friday, 10 a.m. to 2 p.m. Saturday.
  • Township of Wilmot Administration Complex at 60 Snyders Rd. W., Baden.
    • 8:30 a.m. to 4:30 p.m. Monday to Friday.

Woolwich

  • Waterloo Regional Library at 65 Arthur St. S., Elmira.
    • 10 a.m. to 5 p.m. Monday and Thursday, 1 to 8 p.m. Tuesday and Wednesday, 2 to 6 p.m. Friday, 10 a.m. to 2 p.m. Saturday.
  • Waterloo Regional Library at 29 Queensway Dr., St. Jacobs.
    •  3 to 7 p.m. Tuesday and Wednesday, 10 a.m. to 2 p.m. Thursday.

Are you seriously hot?

Health columnist Dr. Peter Lin explains the science of keeping cool when temperatures get dangerous.

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