* WHAT...Dangerously hot conditions today with air temperatures as high as 110 and heat indices as high as 112. Heat indices as high as 110 on Friday. Overnight lows only drop to about 80 each morning. * WHERE...Kingfisher, Logan, Payne, Garfield, Grant, Kay, Noble, Alfalfa, Major, and Woods Counties. * WHEN...For the first Heat Advisory, until noon CDT today. For the Extreme Heat Warning, from noon today to 7 PM CDT this evening. For the second Heat Advisory, from 7 PM this evening to 8 PM CDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.