The higher amounts would mainly be on elevated surfaces but where temperatures are in the 20s, the northwestern side of the KC metro for example, those higher amounts could be on non-elevated roads as well. ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Freezing rain. Additional ice accumulations of up to two tenths of an inch are expected. * WHERE...Portions of central, north central and west central Missouri. * WHEN...Until 6 PM CST this evening. * ADDITIONAL DETAILS...The ice will result in difficult travel conditions, including during the evening commute.