Thornhill, Ontario, Canada Severe Weather Alertstar_ratehome

Frost may damage some crops in frost-prone areas.

Patchy frost is expected again tonight as temperatures drop to near or below freezing. 

Patchy frost is likely again Saturday night for some areas that remain clear.

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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 X using #ONStorm.