From: 16/03/2026, 22:38
To: 17/03/2026, 08:03

Snow heralding a sudden return to winter. What: 5 to 15 cm of accumulating snow, with the lowest amounts expected towards extreme eastern Ontario. When: Tonight into Tuesday morning. Additional information: Rain over eastern Ontario will turn to snow tonight as temperatures drop. A general snowfall of 5 to 15 cm is expected by Tuesday morning. Travel will likely be challenging. Prepare for quickly changing and deteriorating travel conditions. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on X using #ONStorm.