Calgary weather today: Calgary is expected to experience a mix of sun and cloud on Friday, July 17, 2026, with the possibility of showers and isolated thunderstorms developing later in the day, according to the latest forecast. Temperatures are forecast to remain near seasonal norms, while forecasters continue monitoring conditions for any localised storm development across southern Alberta.
Calgary Weather Forecast Today
Environment Canada says Calgary will see partly cloudy skies with increasing cloud cover through the afternoon. Daytime temperatures are expected to reach the low-to-mid 20s°C, creating generally pleasant conditions before the weather becomes more unsettled later in the day.
Will Thunderstorms Return Later in the Day?
The latest forecast indicates there is a chance of isolated thunderstorms returning during the late afternoon and evening hours. While widespread severe weather is not currently expected, forecasters say some areas could experience brief periods of lightning, gusty winds and heavier rainfall.
Calgary Weather Today: Shower Chances Across Calgary
Shower chances are expected to increase gradually through the afternoon, with the highest likelihood occurring during the evening period. Environment Canada notes that rainfall may be unevenly distributed, meaning some neighbourhoods could remain dry while others receive localized downpours.
Calgary Weather Today: Evening Conditions and Overnight Forecast
After sunset, temperatures are forecast to cool into the low teens°C. If thunderstorms develop, residents could encounter wet roads, reduced visibility and short bursts of heavy rain before conditions gradually improve overnight.
Calgary Weather Today: Severe Weather Risk in Calgary
As of the latest Environment Canada update, the severe weather threat remains limited, but forecasters continue to monitor atmospheric instability across southern Alberta. Any stronger storm that forms could produce brief heavy rain, gusty winds, small hail and frequent lightning.
Calgary Weather Today: What Environment Canada is Advising
Environment Canada advises residents planning outdoor activities or evening travel to stay updated with real-time weather alerts and radar information. Conditions can change quickly during summer thunderstorm events, particularly in Alberta’s hail-prone regions.
Calgary weather today will remain mild with temperatures in the low-to-mid 20s°C, but the chance of showers and isolated thunderstorms is expected to increase later in the day. While widespread severe weather is not anticipated at this time, localized storms could still bring heavy rain, gusty winds and small hail.
Disclaimer: Weather conditions can change rapidly. Residents should check the latest Environment Canada forecast and alerts for updated information.
