Moderate

* WHAT...Heat index values up to 108 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 Friday. * 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 106 expected. * WHERE...Cherokee, Delaware, Latimer, and Pittsburg Counties. * WHEN...From noon to 7 PM CDT Friday. * 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 108 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 Friday. * 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

At 1118 AM CDT, Doppler radar was tracking a strong thunderstorm near Bassett, moving northeast at 45 mph. HAZARD...Wind gusts up to 50 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Bassett, Stuart, Newport, and Mariaville. This includes the following highways... Highway 183 between mile markers 172 and 185.

* WHAT...Heat index values up to 105. * WHERE...Portions of central and southern Iowa. * WHEN...Until 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory. Drink plenty of fluids, stay in an air-conditioned room, stay out of

At 1106 AM CDT, Doppler radar was tracking a strong thunderstorm 7 miles south of Naper, or 21 miles west of Spencer, moving northeast at 35 mph. HAZARD...Wind gusts of 50 to 55 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Butte, Naper, Dustin, Anoka, and Hull Lake State Wildlife Management Area. This includes the following highways...

At 1047 AM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 19 miles north of Fessenden to 10 miles southwest of Cathay, or extending from 22 miles northeast of Harvey to 19 miles west of Carrington, moving east at 30 mph. HAZARD...Wind gusts up to 40 mph and penny 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...

* WHAT...Heat index values up to 114 expected. * WHERE...Coastal Cameron, Coastal Kenedy, Coastal Willacy, Inland Cameron, Inland Kenedy, Inland Willacy, Southern Hidalgo, and Starr Counties. * WHEN...Until 6 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. To reduce risk during outdoor work, the Occupational Safety and

* WHAT...Heat index values up to 105. * WHERE...Albemarle and Nelson 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. 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 100 to 105 expected. This is the third day in a row with forecast or observed heat indices above 100 degrees. * WHERE...Portions of northern and central Illinois near and south of I-80, as well as all of northwest Indiana. * WHEN...Until 9 PM CDT /10 PM EDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses especially after several days of dangerous heat. * ADDITIONAL DETAILS...A cold front possibly accompanied by