| Flood Impacts |
| 18.5 | This is a very dangerous situation. The entire village of Montpelier can expect 2 to 3 feet of water. Areas outside Montpelier will be totally inundated. |
| 18.0 | Montpelier is flooded by 1 to 2 feet of water and outlying farm buildings are totally inundated. |
| 17.5 | Flood waters will overtop the dikes in Montpelier. Homes and businesses along Opdyke, Moore, and Madison will be affected. |
| 16.5 | Flood waters will approach the top of the Montpelier Dikes with several roads becoming impassible. Water begins to hit the bottom of the bridge at the gage site. |
| 14.0 | County Road K, one mile southwest of Montpelier is flooded. Flood waters affect the southeast side of Pioneer and cover large areas of low land and agricultural land near the river. |
| 13.0 | County Road K, one mile southwest of Montpelier begins to flood. Some flooding begins to affect the village of Pioneer. Significant low land and agricultural flooding occurs near the river. |
| 12.0 | Flooding of low land and agricultural land begins near the river. |
