Moderate

* WHAT...Heat index values from 110 to 115 are expected both Saturday afternoon and Sunday afternoon. Overnight lows in the upper 70s to lower 80s are expected Saturday night. * WHERE...In Arkansas, Southern Crawford and North and Central Sebastian Counties. In Oklahoma, Central and Southern Sequoyah, Okfuskee, Haskell, McIntosh, Northern Le Flore, and Pittsburg Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to noon CDT

* WHAT...Heat index values from 110 to 115 are expected both Saturday afternoon and Sunday afternoon. Overnight lows in the upper 70s are expected Saturday night. * WHERE...Central and Southern Franklin County. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to noon CDT Sunday. For the second Extreme Heat Warning, from noon to 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during

* WHAT...Heat index values from 105 to 110 are expected both Saturday afternoon and Sunday afternoon. Overnight lows from the mid to upper 70s are expected Saturday night. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT...Heat index values from 110 to 115 are expected both Saturday afternoon and Sunday afternoon. Overnight lows in the upper 70s to locally, the mid 80s are expected Saturday night. * WHERE...Portions of east central and northeast Oklahoma. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to noon CDT Sunday. For the second Extreme Heat Warning, from noon to 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during

* WHAT...Heat index values from 105 to 110 are expected both Saturday afternoon and Sunday afternoon. Overnight lows from the mid to upper 70s are expected Saturday night. * WHERE...Northeast Osage, Pawnee, and Western Osage Counties. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Heat index values 108 to 111 degrees expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Isolated showers and thunderstorms could provide relief in some areas. 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 115. For the Heat Advisory, heat index values of 108 to 111 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 11 AM to 8 PM EDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Heat index values 108 to 111 degrees expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Isolated showers and thunderstorms could provide relief in some areas. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 110. * WHERE...Portions of central, north central, southeast, southwest, and western Arkansas. * WHEN...Until 8 PM CDT Monday. * 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...Temperatures up to 105 expected. * WHERE...Palo Duro Canyon. * WHEN...Until 9 PM CDT this evening. * 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 fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.