* WHAT. Heat index values from 106 to 110 expected. * WHERE. Our entire Four-State area of southern Arkansas, northern Louisiana, eastern Texas and southeast Oklahoma. * WHEN. From 11 AM this morning to 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values between 105 and 109 expected. * WHERE. Portions of central, eastern, north central, southeast, southwest, and western Arkansas. * WHEN. From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

The Flood Warning continues for the following rivers in Texas. Black Cypress Bayou At Jefferson affecting Cass and Marion Counties. For the Black Cypress Bayou. including Jefferson. Minor flooding is forecast. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Black Cypress Bayou at Jefferson. * WHEN. Until Wednesday morning. * IMPACTS. At 13.0 feet, Lowland flooding will affect mainly timber resources. * ADDITIONAL DETAILS. - At 10:00 AM CDT Monday the stage was 13.4 feet. - Bankfull stage is 13.0 feet. - Forecast. The river is expected to rise to a crest of 13.4 feet this afternoon. It will then fall below flood stage early tomorrow afternoon. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/flood