CHARLESTON, W.Va. -- More than 18,000 people in Kanawha County still don't have power as the heat index is expected to soar to 105 today. Meanwhile, Appalachian Power has adjusted their full-restoration estimate saying all customers might not be restored by Sunday, an estimate the company made - and has stuck with - throughout the week.Appalachian Power still has 79,744 customers without power across the state while First Energy Corporation - which operates as MonPower - has 49,691 customers without power, with the highest outage in Greenbrier County where 6,133 customers are still in the dark and without air conditioning, as of 11:30 a.m.An extreme heat warning has been issued for numerous parts of the state, including Kanawha County from noon until 8:00 p.m. Temperatures could reach 100 with a heat index of 105. Kanawha County Emergency Officials are encouraging those without power to go to Cooling Stations and Shelters to seek relief from the heat, said Kanawha County Manager Jennifer Sayre.According to the National Weather Service, an excessive heat warning means "a prolonged period of dangerously high temperatures will occur. The combination of the heat and high humidity will combine to create a dangerous situation in which heat illness are likely."Excessive heat can cause numerous health related problems, including heat cramps or heat exhaustion, which are more likely if proper precautions are not taken."With prolong exposure in this environment, a heat stroke is possible," according to the weather service. "People are advised to drink plenty of fluids, stay out of the sun and in an air-conditioned room.Appalachian Power said three additional storms on Sunday, Tuesday and Thursday, which knocked out an extra 76,000 people, has caused them to adjust their full-restoration estimate. Restoration should now be 95 percent complete by tomorrow, with a few areas possibly still being out at the beginning of the workweek.Areas with projected 95 percent restoration on Sunday are: Beckely, Charleston, Glasgow, Hico, Logan, Madison, Pineville, Walgrove, Williamson, Bluefield, Welch, Hamlin, Huntington, Milton, Pt. Pleasant, Ripley and Wayne.Any area not on that list may not have power back by Sunday night.Count Manager Sayre is asking residents to check on neighbors and family members who live by themselves. The Emergency Operations Center phone numbers are 304-746-8748 or 304-746-8743. If you need assistance getting to a shelter or cooling station, call the EOC.Ice and water distribution centers will be open in Kanawha County at the following locations today:| Flinn Elementary - Sissonville
| Charleston Civic Center - Lee Street Entrance Side
| Pinch Elementary| Herbert Hoover High School| Riverside High School| Clendenin Community CenterTwo additional ice and water distribution centers will be open at noon today at Ruthlawn Elementary and East Bank Middle School.The following cooling stations will be open in Kanawha County Saturday:
| Kanawha City Recreation Center| The Martin Luther King Center| 1 st Chruch of the Nazarene - South Charlesotn| North Charleston Recreation Center| Praise Assembly of God - Childress Road in Alum CreekEast
| Dupont Middle School| Marmet Recreation Center| Spring Fork Baptist Church - Campbell's CreekNorth
| Aldersgate United Methodist Church - Sissonville| Clendenin Community Center| Pinch Fire Station| Elk River Church of the NazareneWest
| Hanford Senior Center| St. Albans Fire Stations| Lakewood Fire Department| Holy Trinity Catholic Church - Nitro According to officials with West Virginia American Water, all areas that lost water service, have had low water pressure or have cloudy water, remain under a boil water advisory until further notice. This is a system wide boil water advisory.Gov. Earl Ray Tomblin has authorized a burning ban, effective July 6, 2012 and continuing throughout the state of emergency. Outdoor burning is prohibited.