An Art Walk event will be held in the Downtown Marshalltown area today. Organizers say the hours are from four to seven p-m. The events including a sidewalk chalk Art Event being put on by Big Brothers and Sisters in the sidewalk area of the Marshall County Courthouse. Today`s events kick off an arts and culture type of weekend for Marshalltown. The Downtown Central Business District will conduct a Treasures Tour tomorrow afternoon and a Rockin for the Arts event will be held tomorrow night at the Fisher Community Center in Marshalltown.