Public health units in eastern Ontario are issuing an extreme heat warning for this weekend.
Leeds Grenville Lanark Public Health issued a heat warning in their region as well.
The health units say there will be high levels of heat and humidity over the next few days.
This heat is expected to exceed 30 C, with humidity levels pushing temperatures into the 40s.
The health units say older adults, young children and people with chronic illness are most vulnerable during this period of extreme heat.
They advise minimal physical activity outdoors and to hydrate frequently and take breaks in cooler areas.
© 2022 Global News, a division of Corus Entertainment Inc.