Two-day heat alert extended for London and Middlesex, Ont.

The heat alert will remain in effect until Tuesday when a mix of sun and cloud will bring the temperature down. File / Global News

The Middlesex-London Health Unit has extended its previous two-day heat alert.

Sunday called for a high of 31 C and Monday is expecting a high of 33 C, meeting the health unit’s threshold for issuing an alert.

The health unit said Monday morning that temperatures are set to hit a high of 31 C Tuesday with a humidex of 39 C.

The heat alert has now been extended to Tuesday night when rain should cool the area down.

Read more: More weather records set as heat continues to bake B.C.’s Interior

“If you are planning to spend time outside in these temperatures it is important to plan ahead and take the necessary precautions,” said Randy Walker, a public health inspector with the health unit.

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“Wear sunscreen, dress in light clothing, wear a hat, drink plenty of water and plan to take some breaks from the heat and sun to cool off if you’re going to be outside for any length of time.”

Environment Canada called for a low of 18 C overnight on Sunday and a low of 23 C on Monday.

Showers may begin on Wednesday, lasting through the week.

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