Hot days ahead: Calgary may break nearly century-old temperature record this week


Take a look at this chart here:

It's high time for the dust-off of @environmentca's heat warning criteria... #abwx

— Kevin Stanfield (@CTVStanfield) June 1, 2021

Areas in the green (which includes much of southern Alberta and extends up to the Territories) require a 29 C high and 14 C low. Calgary alone will push to that twice; tomorrow, and again Thursday. Our heat warning may come into play this evening. Brooks, Drumheller, Hanna, and many communities farther north – including Edmonton – are already there.

The high-pressure wave that's crossing the Rockies is the culprit. While heat is gradually pushing in from the south, the northern expanse of this ridge runs along a band coincident with the northern extent of our warning zone (north of Edmonton). So, heat is pooling there.

Heat like this comes with a number of advisories, including the idea of leaving your pets at home:

Here's why you leave your pets at home.
Today, much of the prairies falls between the middle and top lines. Tomorrow, just the top line.
Call @CalgaryHumane (403.205.4455) or @CalgaryPolice (911) to report incidents.

— Kevin Stanfield (@CTVStanfield) June 1, 2021

If you have plans to bring pets on long walks or hikes, have a collapsible bowl for your furry friend, too.

Lastly, a small note about Calgary's weather records: Environment Canada's record high on June 3 is 32.2 C, set in 1922; that's the forecast high for Thursday. We may watch a 99-year-old record fall.

Afterward, we'll watch a trough dig in for the weekend, returning us nearer to seasonal and bringing a touch of rain.

Your five-day forecast:


  • Mainly sunny
  • Daytime high: 27 C
  • Evening: some cloud, low 13 C


  • Sunny
  • Daytime high: 30 C
  • Evening: clear, low 15 C


  • Mainly sunny
  • Daytime high: 32 C
  • Evening: clear, low 15 C


  • Partly cloudy
  • Daytime high: 26 C
  • Evening: chance of scattered showers, low 10 C


  • Scattered showers
  • Daytime high: 17 C
  • Evening: scattered showers, low 8 C

Photo time!

Mark caught a beautiful sunset at Aspen Crossing Campground:

…And Ron must read the articles and know I have a penchant for crabapple blossoms:

Thank you for sending, all! You can submit your weather photos here, or email me: Kevin Stanfield , OR you can just tweet at me!