Louisiana Moderate Heat Advisory | Effective 08/21/2026 09:54

Headline: 
Heat Advisory issued August 21 at 11:54AM CDT until August 21 at 8:00PM CDT by NWS Lake Charles LA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 21, 2026 - 9:54am
Expires: 
August 22, 2026 - 2:00am
Description: 
* WHAT...For the first Heat Advisory, heat index values from 109 to 111. For the second Heat Advisory, heat index values from 110 to 112 expected. * WHERE...Lower Iberia, Lower St. Mary, East Cameron, Lower Vermilion, and West Cameron Parishes. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Saturday. * 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. 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. Monitor the latest forecasts and warnings for updates.
Area Description: 
West Cameron; East Cameron; Lower Vermilion; Lower Iberia; Lower St. Mary
Forcast Office: 
NWS Lake Charles LA
Sender: 
w-nws.webmaster@noaa.gov