Expected

* WHAT...For the Heat Advisory, heat index values up to 107 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. * WHERE...Cowley, Harper, Sumner, Chautauqua, Elk, Labette, Montgomery, Neosho, and Wilson Counties. * WHEN...For the Heat Advisory, until 9 PM CDT this evening. For the Extreme Heat Warning, from noon 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 Heat Advisory, heat index values up to 108 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114 expected. * WHERE...Portions of central, east central, northern, northwest, and southeast Oklahoma. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high

* WHAT...Dangerously hot conditions with heat index values up to 115F degrees, with limited heat relief overnight. * WHERE...Portions of southeast Arkansas and central, north central, and northwest Mississippi. * WHEN...Until 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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 up to 110F degrees during the daytime, with limited heat relief overnight. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115F degrees, with limited heat relief overnight. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and north central Mississippi. * WHEN...For the Heat Advisory, until 10 AM CDT Tuesday. For the Extreme Heat Warning, from 10 AM to 9 PM CDT Tuesday.

* WHAT...For the Heat Advisory, heat index values up to 110F degrees during the daytime, with limited heat relief overnight. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115F degrees, with limited heat relief overnight. * WHERE...Portions of northeast Louisiana and central, southwest, and west central Mississippi. * WHEN...For the Heat Advisory, until 10 AM CDT Tuesday. For the Extreme Heat Warning, from 10 AM to 9 PM CDT Tuesday.

* WHAT...For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. * WHERE...Delaware, Northeast Osage, and Southeast Osage Counties. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Heat related illnesses are

* WHAT...For the Heat Advisory, heat index values up to 107 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. * WHERE...Portions of west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Heat related illnesses are

* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from noon to 8 PM CDT Tuesday.

* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from noon to 8 PM CDT Tuesday.

* WHAT...Dangerously hot conditions with heat index values up to 115. * WHERE...Portions of central, eastern, north central, and southeast Arkansas. * WHEN...Until 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.