* WHAT. Heat index values 105 to 109 expected. * WHERE. Muskogee, Okfuskee, Sequoyah, Craig, Creek, Mayes, Nowata, Okmulgee, Osage, Pawnee, Rogers, Tulsa, Wagoner, Washington OK, Haskell, Latimer, Le Flore, McIntosh, and Pittsburg Counties. * WHEN. Until 9 PM CDT this evening. Noon to 9 PM CDT Monday. * IMPACTS. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT. Heat index values up to 107 expected. * WHERE. In Arkansas, Benton, Carroll, Madison, and Washington AR Counties. In Oklahoma, Cherokee, Adair, Delaware, Ottawa, Choctaw, and Pushmataha Counties. * WHEN. From noon to 9 PM CDT Monday. * 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 this afternoon and Monday afternoon. * WHERE. Muskogee, Okfuskee, Sequoyah, Craig, Creek, Mayes, Nowata, Okmulgee, Osage, Pawnee, Rogers, Tulsa, Wagoner, Washington OK, Haskell, Latimer, Le Flore, McIntosh, and Pittsburg Counties. * WHEN. For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from noon to 9 PM CDT Monday. * 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 this afternoon and Monday afternoon. * WHERE. In Arkansas, Benton, Carroll, Madison, and Washington AR Counties. In Oklahoma, Cherokee, Adair, Delaware, and Ottawa Counties. * WHEN. From noon to 9 PM CDT Monday. * IMPACTS. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT. Heat index values around 105 expected. * WHERE. Portions of central, northern, southern Oklahoma. * WHEN. 9 PM CDT this evening. Also, from 1 PM to 9 PM CDT Monday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values 105 to 109 expected this afternoon and Monday afternoon. * WHERE. Muskogee, Okfuskee, Sequoyah, Craig, Creek, Mayes, Nowata, Okmulgee, Osage, Pawnee, Rogers, Tulsa, Wagoner, Washington OK, Haskell, Latimer, Le Flore, McIntosh, and Pittsburg Counties. * WHEN. For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from noon to 9 PM CDT Monday. * 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 this afternoon and Monday afternoon. * WHERE. In Arkansas, Benton, Carroll, Madison, and Washington AR Counties. In Oklahoma, Cherokee, Adair, Delaware, and Ottawa Counties. * WHEN. From noon to 9 PM CDT Monday. * IMPACTS. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.