A heat wave that is building strength in the Midwest is expected to bring excessive heat to middle Tennessee by Wednesday.
From Wednesday through Saturday, heat and humidity levels will rise high enough to create heat indices in excess of 105 degrees.
Actual temperatures Wednesday through Saturday will range from 97 to 98 degrees.
Temperatures will increase into the mid-90's Monday and Tuesday, with heat indices hovering around 100 degrees, which is below heat advisory levels.
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