This occurred about 45 minutes ago, these counties have been added to the Severe Thunderstorm Watch that is in effect until 1am, Adair, Boone, Cass, Dallas, Hamilton, Hardin, Madison, Polk, Story, Warren and Webster. Large hail and damaging winds will be the main threats. A report of Golf ball sized hail west of Adair a few minutes ago is a good indication of what is to come from some of these storms overnight tonight.