After a warm and mostly cloudy Monday in Chestermere, Alberta, the weather is set to take a turn as rain and strong winds move in for Tuesday and Wednesday. Environment Canada forecasts periods of rain and a risk of thunderstorms on Tuesday, with winds gusting up to 80 km/h, before cooler and cloudy conditions settle in on Wednesday.
As of noon on Monday, June 15, 2026, the temperature sat at 21.4°C under mostly cloudy skies at Calgary International Airport, the closest observation station. Monday’s high is expected to reach 27°C, with a 30 percent chance of late-afternoon showers. The overnight low will dip to around 14°C—well above freezing and no cause for frost concerns.
Tuesday’s forecast brings the most dramatic shift. Rain is expected to start early in the afternoon alongside a thunderstorm risk. Northwest winds will strengthen to 50 km/h, gusting to 80 km/h. The high will reach 24°C. Residents with outdoor plans, especially those around Chestermere Lake, should be ready for gusty conditions and secure any loose items.
Wednesday will be noticeably cooler under cloudy skies, with a high of just 20°C. Thursday and Friday bring some improvement: a mix of sun and cloud with a high of 21°C and a 30 percent chance of showers on Thursday, and sunny skies with a high of 23°C on Friday. Thursday night is forecast to be the coolest of the week at 6°C, but still well above the frost mark.
No weather alerts are in effect for Chestermere. The City of Chestermere encourages residents enjoying the lake to stay aware of changing conditions, particularly during Tuesday’s strong winds.
