Heat Warning - Wednesday, July 31
Posted on Wednesday July 31, 2024 @ 11:00 AM
The Medical Officer of Health for the City of Hamilton has initiated an Extended Heat Warning beginning today on Wednesday, July 31. Heat Warnings stay in effect until they are cancelled or escalated to an Extended Heat Warning.
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.