Residents in Cornwall, Ontario, are dealing with high winds and a sharp drop in temperature today, March 17, 2026. According to Environment Canada, the city will see wind gusts up to 70 km/h as a cold front moves through the area. This weather shift is expected to bring a wind chill factor near -16, making the outdoors feel significantly colder than earlier in the day.
The day began with some snow, but conditions are changing to a cloudy and windy afternoon. Winds started from the southwest and are expected to shift to the northwest around noon. By the afternoon, the temperature is predicted to fall to -7°C.
The wind chill is expected to reach -17 this evening before the winds begin to die down overnight. While no official weather alerts are currently in effect for the city, residents are advised to secure loose outdoor items and dress in warm layers to stay safe in the cold.
The blustery conditions are expected to ease later tonight as the weather system moves out of the area. Wind chill values will remain around -12 overnight after the strongest winds pass through.