yellow warning - snow squall - in effect Snow squalls weakening overnight. What: Additional snowfall amounts of 5 to 10 cm. Significantly reduced visibility in heavy snow and local blowing snow. When: Tapering off overnight. Additional information: Snow squalls are expected to weaken through the overnight. Northwesterly winds gusting to near 50 km/h will result in local blowing snow further reducing visibility. ### Travel may be extremely hazardous. Visibility may be suddenly reduced to near zero at times. Road closures are possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts. Prepare for quickly changing and deteriorating travel conditions.