The National Weather Service in New Orleans has issued an excessive heat warning for South Mississippi through Thursday.
Temperatures are expected to be in the mid-to-upper 90s, and high humidity levels will put the heat index between 107 and 114 degrees.
An excessive heat warning means a prolonged period of dangerously hot weather. The warning is in effect through 7 p.m. Thursday for southeastern Louisiana and southwest Mississippi.
Residents should drink plenty of fluids and avoid staying in the heat for long periods of time.
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For more on this story, see Thursday's Sun Herald.