Southern Ontario experienced a dramatic weather shift as heat warnings gave way to a frost advisory in just days. The region saw temperatures plunge, catching residents off guard after a warm spell.
Weather Extremes in Southern Ontario
After days of heat warnings, southern Ontario was placed under a frost advisory early Wednesday morning. The sudden change highlights the volatile spring weather patterns affecting the region. Temperatures dropped near freezing overnight, posing risks to sensitive plants and crops.
Impact on Agriculture
Farmers in areas like Baden, Ont., where a frost was captured in a photo on April 18, 2026, are particularly concerned. The frost advisory could damage fruit trees and early-season vegetables. Local agricultural experts advise covering plants or bringing potted ones indoors.
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