Moderate

* WHAT...Heat index values between 105 and 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Saturday. * 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 between 105 and 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Saturday. * 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 between 105 and 109 expected. * WHERE...In Arkansas, Benton and Carroll Counties. In Oklahoma, Northern Sequoyah, Adair, Choctaw, and Pushmataha Counties. * WHEN...From noon to 7 PM CDT Saturday. * 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

* WHAT...Heat index values of 100 to 105. * WHERE...In Illinois, Whiteside County. In Iowa, Benton, Clinton, Jones, Linn, and Buchanan Counties. * WHEN...Until 7 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt the heat at times. 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

* WHAT...Heat index values of 100 to 105. * WHERE...In Illinois, Carroll, Jo Daviess, and Stephenson Counties. In Iowa, Jackson, Delaware, and Dubuque Counties. * WHEN...Until 7 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

* WHAT...Heat index values up to 110. * WHERE...A portion of Middle Tennessee. * WHEN...Until 8 PM CDT Saturday. * 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat

At 1202 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles east of Fennville to 5 miles west of Otsego to near Benton Heights. Movement was east at 40 mph. HAZARD...Winds in excess of 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Kalamazoo... Portage... Albion...

* WHAT...Heat index values up to 106. * WHERE...In North Carolina, Caswell and Rockingham Counties. In Virginia, Appomattox, Buckingham, Campbell, Charlotte, Halifax, and Pittsylvania Counties. * WHEN...Until 7 PM EDT 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.

* WHAT...Heat index values of 100 to 109. Actual air temperatures as high as 102 in the afternoon. * WHERE...Portions of East Arkansas, North Mississippi, Southeast Missouri, and West Tennessee. * WHEN...Until 8 PM CDT Sunday. * 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.

At 1156 AM EDT, a strong thunderstorm was located near Mechanicsburg, moving east at 25 mph. HAZARD...Wind gusts up to 40 mph and very heavy rain. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Visibility will be poor and hydroplaning is possible. Locations impacted include... Columbus, Dublin, Hilliard, Plain City, West Jefferson, Lake Darby, New California, Unionville Center, Amity, State Route 29 at State