Louisiana Moderate Heat Advisory | Effective 08/17/2026 22:52

Headline: 
Heat Advisory issued August 18 at 12:52AM CDT until August 18 at 8:00PM CDT by NWS Lake Charles LA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 17, 2026 - 10:52pm
Expires: 
August 18, 2026 - 6:00pm
Description: 
* WHAT...Heat index values up to 111 expected. * WHERE...Portions of central, south central, and southwest Louisiana. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Area Description: 
Rapides; Avoyelles; Evangeline; St. Landry; Lafayette; Upper St. Martin; Lower St. Martin; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Acadia; Lower Vermilion; Lower Iberia; Lower St. Mary
Forcast Office: 
NWS Lake Charles LA
Sender: 
w-nws.webmaster@noaa.gov