* WHAT. Heat index values 105 to 109 expected. * WHERE. In Arkansas, Crawford, Franklin, and Sebastian Counties. In Oklahoma, Sequoyah, Craig, Mayes, Choctaw, Le Flore, and Pushmataha Counties. * WHEN. From noon today to 9 PM CDT this evening. * IMPACTS. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT. Heat index values 105 to 109 expected. * WHERE. Cherokee and Ottawa Counties. * WHEN. From noon today to 9 PM CDT this evening. * IMPACTS. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT. Heat index values from 103 to 110 expected. * WHERE. Portions of southeast Kansas and central, southwest, and west central Missouri. * WHEN. From noon to 8 PM CDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 105 expected. * WHERE. In Arkansas, Benton, Carroll, Madison, and Washington AR Counties. In Oklahoma, Adair and Delaware Counties. * WHEN. From noon to 9 PM CDT Tuesday. * IMPACTS. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT. For the first Heat Advisory, heat index values up to 105. For the second Heat Advisory, heat index values up to 108 expected. * WHERE. Cherokee and Ottawa Counties. * WHEN. For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from noon to 9 PM CDT Tuesday. * IMPACTS. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT. For the Heat Advisory, heat index values up to 107. For the Excessive Heat Warning, dangerously hot conditions with heat index values up to 110 expected. * WHERE. In Arkansas, Crawford, Franklin, and Sebastian Counties. In Oklahoma, Sequoyah, Craig, Mayes, and Le Flore Counties. * WHEN. For the Heat Advisory, until 9 PM CDT this evening. For the Excessive Heat Warning, from noon to 9 PM CDT Tuesday. * IMPACTS. The combination of hot temperatures and high humidity will create a dangerous situation in which heat related illnesses are more likely.

* WHAT. Heat index values around 105 expected. * WHERE. Chase, Allen, Elk, Greenwood, Neosho, Wilson, and Woodson Counties. * WHEN. From noon to 8 PM CDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. For the first Heat Advisory, heat index values around 105 expected. For the second Heat Advisory, heat index values around 105 expected. * WHERE. Portions of Central, South Central, and Southeast Kansas. * WHEN. For the first Heat Advisory, from noon today to 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.