yellow warning - winter storm - in effect Winter storm expected through Friday morning. What: Total snowfall amounts of 15 to 30 cm. The highest amounts are expected inland from Lake Superior and over the higher terrain. Reduced visibility in heavy snow and blowing snow. Flash freeze. When: Continuing through Friday morning. Additional information: Snow will continue to affect the area overnight, but may transition to rain near Lake Superior into this morning. As a result, total snowfall amounts may be lesser for these areas. Northerly winds gusting 50 to 70 km/h are expected to develop late today as temperatures rapidly fall below the freezing mark and any rain changes over to snow. Strong northerly winds combined with heavy snow may lead to near zero visibility at times. Total snowfall accumulations may exceed 30 cm over the higher terrain north of Lake Superior. For the City of Thunder Bay, snowfall amounts are currently expected to be at the low end of the range. Conditions will improve from west to east through Friday morning. ### Roads and walkways will likely be difficult to navigate. Visibility will likely be suddenly reduced to near zero at times. 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. Allow extra time for travel.