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Blistering heat has arrived in St. Louis

The hottest weather of the year has moved into our region and will stick around through the weekend.

A July heat wave takes over the weather in the bi-state through the weekend.

The hottest weather of the year has moved into our region. An excessive heat warning has been issued for the St. Louis area due to a forecast heat index (the feels-like temperature) reaching and exceeding 100 degrees Wednesday through Saturday afternoon.

Credit: 5 On Your Side
St. Louis metro under an Excessive Heat Warning

The peak of the hot weather is likely to be achieved on Thursday and Friday afternoons, with max temperatures near 100 degrees and a heat index close to 110 degrees. 

Credit: 5 On Your Side
Heat index forecast through Sunday.

Heat has a cumulative effect on the body and this stretch of hot weather will likely last through the weekend. A cold front is expected to pass through the region later Sunday or Monday bringing more tolerable temperatures to the area.

Heatwaves like this can quickly cause heat stress or heat stroke if precautions are not taken. The very young, the elderly, those without air conditioning and those participating in strenuous outdoor activities will be the most susceptible.

Drinking plenty of water, staying out of the sun and spending time in air conditioning are important during this time. Check on your neighbors and remember your pets need relief from the heat as well.