yellow warning - flash freeze - in effect Flash freeze expected today. What: Temperatures are forecast to fall rapidly. Ponding water, slush, and any falling precipitation will freeze as the temperature drops. When: This morning and afternoon. Additional information: Rain will change over to snow this morning followed by a rapid temperature drop to well below the freezing mark. Northerly winds gusting 50 to 60 km/h may result in local blowing snow. The combination of snow and blowing snow may result in poor visibility at times. ### Roads and walkways may quickly become icy and slippery. Icy surfaces will likely form quickly and could be difficult to detect. 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. Be very careful if walking or driving.