yellow advisory - frost - in effect
Issue date: 2026-05-07T19:32+00:00
Frost may damage some crops in frost-prone areas.Patchy frost is expected overnight and Friday morning as temperatures drop to near or below the freezing mark.###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 ONstormec.gc.ca or post reports on X using #ONStorm.
