* WHAT. Heat index values up to 113 expected. * WHERE. Portions of south central and southeast Texas. * WHEN. Until 10 PM CDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. While nighttime temperatures will fall below criteria for the Heat Advisory, there will not be much time for recovery from the significant daytime heating; therefore, the Heat Advisory will continue through the nighttime hours.

* WHAT. Heat index values up to 112. * WHERE. Portions of south central and southeast Texas. * WHEN. Until 10 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 112. * WHERE. Portions of south central and southeast Texas. * WHEN. Until 10 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

The Texas Commission on Environmental Quality is forecasting a Code Orange Air Quality Alert, from 7 AM to 7 PM CDT Thursday. The Air Quality Index indicates that Ground Level Ozone will be at the Orange level, which means Members of sensitive groups may experience health effects. The general public is not likely to be affected. More information about current air quality is available at the T C E Q website www.tceq.texas.gov/airquality/monops.