ST. LOUIS — The beginning of August brings another round of excessive heat to the St. Louis area. After a relatively pleasant weekend with highs in the 80s, temperatures soared into the mid 90s Monday afternoon. Heat index values topped 105 degrees in many areas and will do so again Tuesday and Wednesday afternoon.
The National Weather Service issued a heat advisory for our area through Wednesday evening. The humidity levels are expected to remain high, especially considering the amount of moisture in the ground after last week's historic rainfall around the St. Louis area. The humidity coupled with afternoon temperatures in the mid to upper 90s will create heat indices from 102 to 108 degrees.
Take frequent breaks if you must be outdoors, hydrate and try to get into the air conditioning as much as possible.
Relief from the heat will come as a cold front approaches the area Wednesday night into early Thursday. Shower and thunderstorm chances will increase ahead of the front and temperatures will be cooler on Thursday with highs mostly in the 80s.
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Because we're in the hottest time of the year statistically, it takes more than just 100-105 degrees to break records in many cases. The 5 On Your Side weather team doesn't see the St. Louis area reaching any records this week.
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