Deputies in Union County arrested a Madison County man on an OWI charge Thursday afternoon. 31-year old Joshua John Weeks, of Macksburg, was arrested at around 2-p.m., at the intersection of highway 34 and 169, near Afton.  Weeks was charged with OWI 3rd offense, and driving while revoked.  He as being held in the Union County Jail on $5,000 bond.