 And after a large tornado ripped through Greenfield earlier this spring, the community still has a chance to visit 4-H exhibits and various livestock and animal shows this week. Well, the Adair County Fair begins this Wednesday and runs through Sunday, featuring the usual run of 4-H livestock and animal shows and a plethora of grandstand events. Well, the fair also begins just 50 days after an EF4 tornado tore through Greenfield, resulting in five fatalities and several injuries.