Advisories

Environment Canada is forecasting the first heat event of the season starting Monday afternoon and continuing into Tuesday. Daytime highs will be near 30 degrees Celsius, and humidex values near 36. Overnight low temperatures are expected to be near 20 degrees Celsius. This heat event is expected to end Tuesday night.

The reason for the advisory is that the Medical Officer of Health has been advised that an water main break/pressure loss occurred on the street near 168 William St on May 7, 2026 and may have compromised the water supply. 

With World Maternal Mental Health Day on May 6, Southwestern Public Health (SWPH) is shining a light on mental health needs in pregnant and postpartum individuals, and the services available to support them. 

With warmer weather comes an increase in tick activity. Southwestern Public Health is reminding residents of simple steps to significantly reduce the risk of tick bites and tick-borne illnesses, such as Lyme Disease. 

In partnership with Southwestern Public Health, the University of Waterloo Climate Institute has released a new policy guide to inform the health impacts of extreme heat, while recognizing not all people are impacted in the same ways.

This Oral Health Month, SWPH is highlighting the importance of oral health and the free and low‑cost dental services available to eligible children, seniors, and adults across Oxford County, Elgin County, and the City of St. Thomas. SWPH provides oral health programs that focus on prevention, early intervention, and education.

Oxford County municipal water containing sodium levels under 200 mg/L is considered safe for drinking. However, sodium levels above 20 mg/L may be a concern for individuals on sodium-restricted diets, due to various medical conditions and illnesses. In these cases, the Medical Officer of Health is required to inform health professionals in order to assist these individuals.

Ongoing fire alarm triggered at health unit prompts site closure out of an abundance of caution.

HVAC system repairs are underway for airflow fault that prompted a St. Thomas site closure on January 28, 2026.