* WHAT. For the Heat Advisory, heat index values up to 110 expected. For the Excessive Heat Watch, dangerously hot conditions with heat index values up to 114 possible. * WHERE. Portions of southeast Louisiana and southern Mississippi. * WHEN. For the Heat Advisory, from 10 AM to 7 PM CDT Saturday. For the Excessive Heat Watch, from Sunday morning through Sunday evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS. Oppressive and dangerous heat conditions are anticipated to continue or even worsen as we start the new work week.

* WHAT. For the Heat Advisory, heat index values up to 109 expected. For the Excessive Heat Watch, dangerously hot conditions with heat index values up to 114 possible. * WHERE. Portions of southeast Louisiana and southern Mississippi. * WHEN. For the Heat Advisory, from 10 AM to 7 PM CDT Saturday. For the Excessive Heat Watch, from Sunday morning through Sunday evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS. Oppressive and dangerous heat conditions are anticipated to continue or even worsen as we start the new work week.

* WHAT. For the Heat Advisory, heat index values up to 108 expected. For the Excessive Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE. Portions of southeast Louisiana and southern Mississippi. * WHEN. For the Heat Advisory, from 10 AM this morning to 7 PM CDT this evening. For the Excessive Heat Watch, from Sunday morning through Sunday evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.