Moderate

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of central, north central, southeast, southwest, and western Arkansas. * WHEN...Until 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112. For the Heat Advisory, heat index values up to 109 expected. * WHERE...Grant, Lonoke, Prairie, White, Monroe, Arkansas, Desha, Jefferson, and Lincoln Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high

* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...In Oklahoma, Comanche, Cotton, Jackson, and Tillman Counties. In Texas, Archer, Baylor, Clay, Wichita, and Wilbarger Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* WHAT...For the Heat Advisory today, heat index values up to 109. For the Extreme Heat Warning on Tuesday, dangerously hot conditions with air temperatures over 105 degrees and heat index values near 110 degrees. * WHERE...Portions of east central, southeast, and southern Oklahoma. * WHEN...For the Heat Advisory today, until 8 PM CDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during

* WHAT...Air temperatures over 105 degrees expected. * WHERE...Portions of northwest, southwest, and western Oklahoma and northern Texas. * WHEN...From 11 AM to 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...In Oklahoma, Comanche, Cotton, Jackson, and Tillman Counties. In Texas, Archer, Baylor, Clay, Wichita, and Wilbarger Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Heat index values up to 109 expected. * WHERE...A portion of central North Carolina. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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.

* WHAT...Heat index values up to 109. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and east and northeast Texas. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Temperatures up to 109 expected. * WHERE...Rolling Plains, Briscoe, Hall, Childress, and Garza Counties. * WHEN...From 1 PM to 8 PM CDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...For the Heat Advisory, heat index values 108 to 112. For the Extreme Heat Warning, dangerously hot conditions with heat index values 110 to 115 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Heat Advisory, until 8 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM EDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high