A multi-day heat event is beginning on Tuesday, June 30, 2026. Stay update to date on everything you need to know about Environment Canada's most recent extreme heat warning for Halton Region.
Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high risk category.
Heat stress includes a series of conditions where the body is under stress from overheating. Heat stress can result in heat stroke, heat exhaustion, heat cramps, or heat rashes (CDC, 2021). Exposure to extreme heat can result in illnesses and injuries. Workers who are exposed to extreme heat or work in hot environments may be at risk of experiencing heat stress (Ontario, 2021).
Why is this Important? |
| Extreme heat and humidity weather conditions can present greater risks to (but not limited to):
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Signs and Symptoms |
| Exposure to extreme heat and humidity can lead to several health conditions. These include heat stroke, heat exhaustion, and heat syncope. Please see the table located in the linked communication for further information. |
Recommendations |
| The following tips can be implemented to help reduce your risk of experiencing heat stress. These include (but are not limited to):
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Program cancellations are actively updated online during normal weekday operating hours. Recreation facility closures due to inclement weather or other causes will be communicated in the following ways:
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During regular business hours |
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Monday to Friday from 8:30 a.m. to 4:30 p.m.
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After hours, weekends and holidays |
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Monday to Friday after 4:30 p.m. and before 8:30 a.m., as well as Saturday, Sunday and statutory holidays.
If your program is organized through a third party, please contact your leagues for updates. On business days when inclement weather occurs, closure and cancellation decisions will be made for daytime programs by 7:00 a.m. for programs that start at 9:00 am or later, and for evening programs by 2:00 pm. |

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Canine Control |
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Call 905-877-6235 |
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Emergencies (fire, police or ambulance) |
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Dial 911 |
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Regional |
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Although the administrative offices will be closed on the identified holiday date/s, Halton Region continues to deliver key services to it's residents:
Call 311 to connect with the Halton customer service team to serve you best during this time. |
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Transportation and Public Works |
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After-hours contact: 905-873-2600.
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