Middlesex-London Health Unit issues one-day heat alert for Monday

The Middlesex London Health Unit (MLHU) has issued a one-day heat alert that will remain in effect until Tuesday morning.

The Environment Canada forecast for Monday afternoon in the London, Ont., region calls for a spike in temperatures, with an expected high of 31 C, feeling closer to 33 C with humidex values.

Overnight temperatures are expected to drop to 21 C with Tuesday looking at a potential high of 27 C.

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While rain is projected to fall later Monday, MLHU says the temperatures are still within the health unit’s criteria to issue a one-day heat alert.

According to a MLHU media release, heat alerts are declared when Environment Canada issues a forecast with a daytime high of 31 C or higher with an overnight low of 20 C or higher, or a forecast calling for a humidex of 40 C or higher.

The health unit recommends staying hydrated, planning outdoor activities in the early morning and evening, and keeping out of direct sunlight for extended periods of time to prevent heat-related illnesses.

MLHU also advises parents to never leave a child or pet in a parked car or sleeping outside in direct sunlight.

For more information on heat-related illnesses, visit MLHU extreme heat.