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Extended Heat Warning - Wednesday, June 19

Posted on Wednesday June 19, 2024 @ 09:15 AM

The Medical Officer of Health for the City of Hamilton has initiated an Extended Heat Warning beginning today on Wednesday, June 19. Heat Warnings stay in effect until they are cancelled or escalated to an Extended Heat Warning.
Click here to read more on the City of Hamilton website.
An Extended Heat Warning is issued when there are three or more consecutive days observed with daytime highs greater than or equal to 31C and nighttime lows greater than or equal to 20C or three or more consecutive days with a Humidex of 40C or greater.

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