Extreme Heat Warning: Beauregard; Allen; Lafayette; Upper St. Martin; Lower St. Martin; Northern Calcasieu; Northern Jefferson Davis; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Calcasieu; Southern Jefferson Davis; Southern Acadia; Hardin; Southern Jasper; Southern Newton; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange

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Extreme Heat Warning — Beauregard; Allen; Lafayette; Upper St. Martin; Lower St. Martin; Northern Calcasieu; Northern Jefferson Davis; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Calcasieu; Southern Jefferson Davis; Southern Acadia; Hardin; Southern Jasper; Southern Newton; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Portions of south central and southwest Louisiana and southeast Texas. * WHEN...From 10 AM to 8 PM CDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.