Calgary Stampede Weather: Sweltering Heat Continues

Heat Warning

Current Conditions

As of 4:00 AM MDT on Thursday, July 11, 2024, Calgary is experiencing mainly clear skies with a temperature of 21.9°C. The dew point is significantly low at 2.2°C, resulting in a low humidity level of 27%. Winds are light, blowing from the WNW at 7 km/h, and the barometric pressure is 100.9 kPa and rising. Visibility remains excellent at 24 km.

Heat Warning in Effect

Extended Heat Forecast

Calgary is in the midst of a long-duration heat event, with temperatures expected to reach a high of 30°C today. The humidex will peak at 33°C, making it feel even hotter. While most of Alberta will see temperatures moderate by Friday, some southern regions, including Calgary, will remain warm through the weekend.

Health Precautions

To ensure safety during this heat event, residents and visitors are advised to:

  • Reschedule Outdoor Activities: Plan for cooler parts of the day for any outdoor events.
  • Take Frequent Breaks: Spend time in cooled indoor spaces when possible.
  • Stay Hydrated: Drink plenty of water and avoid alcoholic and caffeinated beverages.
  • Check Vehicles: Never leave children or pets inside parked cars.

Be vigilant for symptoms of heat-related illnesses, such as heat stroke or heat exhaustion. Symptoms include high body temperature, lack of sweat, confusion, fainting, and unconsciousness. Pay close attention to vulnerable groups like infants, children, seniors, and those with pre-existing health conditions.

Today’s Detailed Forecast

Morning to Afternoon

Today will start sunny, transitioning to a mix of sun and cloud by the afternoon. There is a 60% chance of showers or thunderstorms later in the day. The high temperature will reach 30°C, with a humidex of 33°C. The UV index is high at 7, necessitating sun protection measures.


Tonight will be partly cloudy with a 30% chance of showers and a continued risk of thunderstorms in the evening. It will clear late in the evening, with winds from the northeast at 20 km/h becoming light. The low will drop to 14°C.

Upcoming Days

Friday, July 12

Friday will be sunny with a high of 26°C. The night will remain clear with a low of 15°C.

Saturday, July 13

Saturday will see a mix of sun and cloud with a 30% chance of showers and a high of 26°C. The night will be clear with a low of 15°C.

Sunday, July 14

Sunday brings a mix of sun and cloud with a 60% chance of showers and a high of 26°C. The night will be clear with a low of 12°C.

Historical Weather Trivia

On this date, Calgary’s record high temperature was 36.1°C, set in 1941. The record low was a chilly 5.0°C, recorded in 1965.

What to Wear

Given the high temperatures and sunny conditions, it’s best to wear light, loose-fitting, and breathable clothing. A wide-brimmed hat and sunglasses are essential for sun protection. Apply a high SPF sunscreen to protect your skin from UV rays.

Calgary Weather Trivia

Did you know? The Calgary Stampede, known as “The Greatest Outdoor Show on Earth,” often coincides with some of the hottest days of the year in Calgary. The combination of large crowds and high temperatures requires special attention to hydration and heat safety.

Previous articleEdmonton Swelters Under Prolonged Heat Warning
Next articleKamloops Heat Wave Persists with High Temperatures