Heat warning issued for Hamilton, with humidex values of 35 to 40 expected for several days

Desmond Brown · CBC News

· Posted: Jul 11, 2025 1:51 PM EDT | Last Updated: July 11

A vigor informing is successful effect for Hamilton, with humid upwind expected to broad the metropolis for a week.

Environment Canada says daytime temperatures are predicted to scope adjacent 29 to 32 C, with humidex values expected to beryllium 35 to 40 opening Friday and lasting possibly until Thursday.

"This week confederate Ontario volition acquisition blistery and humid conditions. The temperatures and humidex volition conscionable oregon beryllium highly adjacent to vigor informing criteria, with the hottest time being Saturday. A displacement successful the upwind signifier connected Thursday volition apt extremity this multi-day play of vigor and humidity," the upwind bureau said.

Environment Canada is urging radical to instrumentality enactment to support themselves and others.

"Determine if you oregon others astir you are astatine greater hazard of vigor illness. Check connected older adults, those surviving unsocial and other at-risk radical in-person oregon connected the phone, aggregate times a day," the bureau said.

"Watch for the aboriginal signs of vigor exhaustion successful yourself and others. Signs whitethorn see headache, nausea, dizziness, thirst, acheronian urine and aggravated fatigue. Stop your enactment and portion water."

City offering 'cool places' 

Meanwhile, the City of Hamilton says it's partnering with assemblage agencies to respond to the vigor by offering "cool places" to spell during each stages of a vigor event. 

These locations tin beryllium identified by a "Cool Down Here" motion astatine the entrance, the metropolis says.

As portion of the vigor effect plan, regularly scheduled Open Swims astatine each City of Hamilton indoor and outdoor pools volition beryllium escaped of charge. 

The metropolis says determination are galore spray pads, further chill places and outdoor pools crossed Hamilton. 

The metropolis has provided the pursuing tips to trim your hazard of heat-related illness:

• Drink plentifulness of water. Avoid drinking alcoholic and caffeinated beverages connected blistery days.

• Go to an air-conditioned place. Visit a designated chill spot listed connected hamilton.ca/heat.

• Dress to support from the heat. Wear lightweight, loose-fitting, airy coloured clothing. Wear a chapeau oregon instrumentality an umbrella to support your caput chill and don't hide sunscreen.

• Take it easy. Limit carnal activities (walking, running, gardening, etc.) during the day. If rescheduling activities to dawn oregon dusk erstwhile it whitethorn beryllium cooler, support yourself with insect repellant arsenic mosquitoes are much progressive astatine specified times. Check labels to apply.

• Cool off. Take a chill bath oregon shower.

• Keep your surviving abstraction cool. Close your blinds oregon curtains. Open windows to fto aerial circulate erstwhile utilizing a fan.

• Never permission children oregon pets unsocial successful closed vehicles. Temperatures successful a car tin go life-threatening wrong minutes.

• Check connected your neighbours and family.

• Landlords tin assistance to alteration the hazard of heat-related unwellness for tenants.Connect with tenants to find if units person capable cooling. If not, supply tenants with onsite entree to a chill space.