Jun 23, 2025 at 06:45
Heat Warning in effect for:
- Agawa – Lake Superior Park
- Searchmont – Montreal River Harbour – Batchawana Bay
- Searchmont – Montreal River Harbour – Batchawana Bay
- Sault Ste. Marie – St. Joseph Island
- Chapleau – Missinaibi Lake
- Blind River – Thessalon
- Elliot Lake – Ranger Lake, and others shown in the region highlighted in the map
Hot and humid conditions continue today.
What: Daytime highs of 28 to 33 degrees Celsius. Humidex values of 36 to 41.
When: Continuing this afternoon and ending tonight.
A cold front is expected to push through the region tonight, lowering temperatures and ending this heat event. Take action to protect yourself and others – extreme heat can affect everyone’s health.
Determine if you or others around you are at greater risk of heat illness. Check on older adults, those living alone and other at-risk people in-person or on the phone multiple times a day.
Watch for the early signs of heat exhaustion in yourself and others.
Signs may include headache, nausea, dizziness, thirst, dark urine and intense fatigue. Stop your activity and drink water.
Heat stroke is a medical emergency! Call 9-1-1 or your emergency health provider if you, or someone around you, is showing signs of heat stroke which can include red and hot skin, dizziness, nausea, confusion and change in consciousness.
While you wait for medical attention, try to cool the person by moving them to a cool place, removing extra clothing, applying cold water or ice packs around the body.
Plan and schedule outdoor activities during the coolest parts of the day.
Limit direct exposure to the sun and heat.
Wear lightweight, light-coloured, loose-fitting clothing and a wide-brimmed hat.
Never leave people, especially children, or pets inside a parked vehicle. Check the vehicle before locking to make sure no one is left behind.
Please continue to monitor alerts and forecasts issued by Environment Canada.
To report severe weather, send an email to [email protected] or post reports on X using #ONStorm.
- Heat Warning - June 23, 2025
- First 1-Day heat event of the season - June 23, 2025
- Severe Thunderstorm Watch (Montreal River – Searchmont) ENDED - June 21, 2025