Active Weather Alerts
Yellow Advisory - Frost
Issued: 9:00 PM Oct. 26, 2026 – Environment and Climate Change Canada
Frost is expected tonight. Patchy frost is expected to develop tonight into Tuesday morning, particularly for areas north of the 401 corridor. ### Damage to plants, trees, and crops is 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 social media using #ONStorm.
Local Radar