* WHAT. Dangerously hot conditions with heat index values up to 113 expected. * WHERE. In Louisiana, Rapides, Lafayette, Lower Iberia, Lower St. Mary, Upper St. Mary, and Vernon Parishes. In Texas, Northern Jasper, Northern Newton, and Tyler Counties. * WHEN. From 11 AM to 7 PM CDT Tuesday. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. Heat index values up to 111 expected. * WHERE. Portions of central and southwest Louisiana and southeast Texas. * WHEN. From 11 AM to 7 PM CDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 111 expected. * WHERE. Portions of central and southwest Louisiana and southeast Texas. * WHEN. From 11 AM this morning to 7 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Dangerously hot conditions with heat index values up to 114 expected. * WHERE. Portions of central, south central, and west central Louisiana and southeast Texas. * WHEN. From 11 AM this morning to 7 PM CDT this evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

The Flood Warning is extended for the following rivers in Louisiana. Texas. Sabine River Near Deweyville Additional information is available at www.weather.gov. The next statement will be issued Tuesday morning at 930 AM CDT. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Sabine River near Deweyville. * WHEN. Until Friday morning. * IMPACTS. At 25.0 feet, Lowest roads beside the river flood around Deweyville and subject to being closed. In addition, low-lying roads in Southwest Beauregard Parish are flooded including Robert Clark Road. Flooding occurs on the south side of Niblett Bluff Park with access roads to camp houses cut off around the park. Access roads to the river in Northeastern Orange County become flooded. * ADDITIONAL DETAILS. - At 8:45 AM CDT Monday the stage was 24.8 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 8:45 AM CDT Monday was 24.9 feet. - Forecast. The river is expected to rise to a crest of 24.9 feet this afternoon. It will then fall below flood stage Thursday evening. - Flood stage is 24.0 feet. - http://www.weather.gov/safety/flood

The Flood Warning is extended for the following rivers in Louisiana. Texas. Sabine River Near Deweyville Additional information is available at www.weather.gov. The next statement will be issued Tuesday evening at 815 PM CDT. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Sabine River near Deweyville. * WHEN. Until early Friday afternoon. * IMPACTS. At 24.0 feet, Minor lowland flooding will occur. * ADDITIONAL DETAILS. - At 7:45 PM CDT Monday the stage was 24.8 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 7:45 PM CDT Monday was 24.9 feet. - Forecast. The river is expected to fall below flood stage early Friday morning and continue falling to 23.5 feet Saturday evening. - Flood stage is 24.0 feet. - http://www.weather.gov/safety/flood