Southwestern Public Health has issued a cold weather alert for St. Thomas, Ontario, that remains in effect from March 16 through the morning of March 18, 2026. The alert was issued to ensure residents are prepared for a sharp drop in temperatures across the region.
Environment Canada is forecasting temperatures to dip as low as -12°C during this period. When the wind chill is factored in, it is expected to feel as cold as -24°C outdoors.
This alert is a standard safety measure intended to protect the community from health risks like frostbite and hypothermia. Local health officials advise residents to limit their time outside, dress in warm layers, and keep a close eye on vulnerable family members and neighbours.
The St. Thomas Elgin General Hospital is the main facility available for anyone experiencing a health emergency related to the cold. The warning is expected to stay in place until weather conditions improve on Wednesday morning.
