Moderate

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Thursday. * 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 up to 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Thursday. * 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 up to 107 expected. * WHERE...In Arkansas, Southern Sebastian County. In Oklahoma, Central and Southern Sequoyah, Craig, Northeast Osage, Ottawa, Central Le Flore, Haskell, and Northern Le Flore Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Thursday. * 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 106 expected. * WHERE...Pawnee and Western Osage Counties. * WHEN...Until 8 PM CDT this evening. * 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 fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

* WHAT...Heat index values up to 107 expected. * WHERE...In Arkansas, Southern Sebastian County. In Oklahoma, Central and Southern Sequoyah, Craig, Northeast Osage, Ottawa, Central Le Flore, Haskell, and Northern Le Flore Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Thursday. * 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 106 expected. * WHERE...Okfuskee, Creek, Latimer, and Southern Le Flore Counties. * WHEN...Until 8 PM CDT this evening. * 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 fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

* WHAT...Heat index values of around 105 expected today, then around 100 to 105 expected on Thursday. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 9 PM CDT /10 PM EDT/ Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Take extra precautions when outside or consider altering outdoor plans. Wear lightweight and loose fitting clothing. Try to limit

* WHAT...Heat index values of around 105 expected. * WHERE...Boone, Winnebago, Central Cook, DuPage, Kane, Lake IL, McHenry, Northern Cook, and Southern Cook Counties. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Take extra precautions when outside or consider altering outdoor plans. 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.

At 1030 AM MDT, Doppler radar was tracking a strong thunderstorm 27 miles west of Fruita, or 29 miles north of Castle Valley, moving northeast at 35 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Fruita, Mack, and Loma. This includes the following highways... Interstate 70 in Colorado between mile markers 1 and 19. Interstate 70 in Utah between mile markers 214 and 231.

* WHAT...Heat index values of 100 to 105 expected. * WHERE...Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio. * WHEN...Until 2 AM EDT Friday. * 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.