From the City of Cedar Rapids Important: Flood Evacuation Notice CEDAR RAPIDS, IA – September 25, 2016 – The safety of the community is our most important priority. The City is asking residents and businesses in the flood evacuation zone to evacuate by 8:00 p.m. Sunday, September 25. A map of the evacuation area is available at www.cedar-rapids.org and reflects a 28-foot inundation zone.