THUNDER BAY – It’s time to dig out those snow shovels and prep the slow cooker—Thunder Bay is under a Snowfall Warning, and Mother Nature is coming in strong. Environment Canada is forecasting total snowfall accumulations of 15 to 25 cm, starting this evening and stretching through to Friday night. That’s a whole lot of snowballs.

Why the Snow?

Why is Thunder Bay getting socked with so much snow right now? It’s all thanks to a low-pressure system making its way across Northwestern Ontario, dragging moisture from the south and meeting Arctic air over Lake Superior—classic snowstorm recipe.

Current Conditions & Forecast: March 27, 2025

As of 3:00 PM EDT today, the current temperature in Thunder Bay sits at -5°C, with winds blowing from the east at 26 km/h and gusts making things feel extra brisk. Humidity is high at 85%, and barometric pressure is holding steady at 101.1 kPa.

This evening, snow will start near the Manitoba …