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Hydrograph River at a Glance Download
Iowa River at Steamboat Rock Stage (ft)Flow (cfs)Observed: 6.45 ft at 11:30AM May 14, 2022Observed: 6.46 ft at 11:45AM May 14, 2022Observed: 6.45 ft at 12:00PM May 14, 2022Observed: 6.46 ft at 12:15PM May 14, 2022Highest Observation: 6.47 ft at 12:30PM May 14, 2022Observed: 6.46 ft at 12:45PM May 14, 2022Highest Observation: 6.47 ft at 1:00PM May 14, 2022Observed: 6.45 ft at 1:15PM May 14, 2022Observed: 6.46 ft at 1:30PM May 14, 2022Observed: 6.45 ft at 1:45PM May 14, 2022Observed: 6.45 ft at 2:00PM May 14, 2022Observed: 6.46 ft at 2:15PM May 14, 2022Observed: 6.44 ft at 2:30PM May 14, 2022Observed: 6.45 ft at 2:45PM May 14, 2022Observed: 6.46 ft at 3:00PM May 14, 2022Observed: 6.45 ft at 3:15PM May 14, 2022Observed: 6.45 ft at 3:30PM May 14, 2022Observed: 6.46 ft at 3:45PM May 14, 2022Observed: 6.45 ft at 4:00PM May 14, 2022Observed: 6.44 ft at 4:15PM May 14, 2022Observed: 6.46 ft at 4:30PM May 14, 2022Observed: 6.45 ft at 4:45PM May 14, 2022Observed: 6.45 ft at 5:00PM May 14, 2022Observed: 6.45 ft at 5:15PM May 14, 2022Observed: 6.43 ft at 5:30PM May 14, 2022Observed: 6.44 ft at 5:45PM May 14, 2022Observed: 6.46 ft at 6:00PM May 14, 2022Observed: 6.44 ft at 6:15PM May 14, 2022Observed: 6.45 ft at 6:30PM May 14, 2022Observed: 6.44 ft at 6:45PM May 14, 2022Observed: 6.44 ft at 7:00PM May 14, 2022Observed: 6.43 ft at 7:15PM May 14, 2022Observed: 6.44 ft at 7:30PM May 14, 2022Observed: 6.44 ft at 7:45PM May 14, 2022Observed: 6.45 ft at 8:00PM May 14, 2022Observed: 6.44 ft at 8:15PM May 14, 2022Observed: 6.45 ft at 8:30PM May 14, 2022Observed: 6.44 ft at 8:45PM May 14, 2022Observed: 6.44 ft at 9:00PM May 14, 2022Observed: 6.44 ft at 9:15PM May 14, 2022Observed: 6.43 ft at 9:30PM May 14, 2022Observed: 6.43 ft at 9:45PM May 14, 2022Observed: 6.44 ft at 10:00PM May 14, 2022Observed: 6.44 ft at 10:15PM May 14, 2022Observed: 6.44 ft at 10:30PM May 14, 2022Observed: 6.44 ft at 10:45PM May 14, 2022Observed: 6.44 ft at 11:00PM May 14, 2022Observed: 6.44 ft at 11:15PM May 14, 2022Observed: 6.43 ft at 11:30PM May 14, 2022Observed: 6.43 ft at 11:45PM May 14, 2022Observed: 6.44 ft at 12:00AM May 15, 2022Observed: 6.43 ft at 12:15AM May 15, 2022Observed: 6.43 ft at 12:30AM May 15, 2022Observed: 6.44 ft at 12:45AM May 15, 2022Observed: 6.42 ft at 1:00AM May 15, 2022Observed: 6.44 ft at 1:15AM May 15, 2022Observed: 6.42 ft at 1:30AM May 15, 2022Observed: 6.44 ft at 1:45AM May 15, 2022Observed: 6.43 ft at 2:00AM May 15, 2022Observed: 6.41 ft at 2:15AM May 15, 2022Observed: 6.44 ft at 2:30AM May 15, 2022Observed: 6.43 ft at 2:45AM May 15, 2022Observed: 6.43 ft at 3:00AM May 15, 2022Observed: 6.44 ft at 3:15AM May 15, 2022Observed: 6.44 ft at 3:30AM May 15, 2022Observed: 6.43 ft at 3:45AM May 15, 2022Observed: 6.43 ft at 4:00AM May 15, 2022Observed: 6.42 ft at 4:15AM May 15, 2022Observed: 6.45 ft at 4:30AM May 15, 2022Observed: 6.42 ft at 4:45AM May 15, 2022Observed: 6.44 ft at 5:00AM May 15, 2022Observed: 6.43 ft at 5:15AM May 15, 2022Observed: 6.43 ft at 5:30AM May 15, 2022Observed: 6.44 ft at 5:45AM May 15, 2022Observed: 6.43 ft at 6:00AM May 15, 2022Observed: 6.43 ft at 6:15AM May 15, 2022Observed: 6.42 ft at 6:30AM May 15, 2022Observed: 6.43 ft at 6:45AM May 15, 2022Observed: 6.43 ft at 7:00AM May 15, 2022Observed: 6.43 ft at 7:15AM May 15, 2022Observed: 6.43 ft at 7:30AM May 15, 2022Observed: 6.43 ft at 7:45AM May 15, 2022Observed: 6.42 ft at 8:00AM May 15, 2022Observed: 6.43 ft at 8:15AM May 15, 2022Observed: 6.42 ft at 8:30AM May 15, 2022Observed: 6.41 ft at 8:45AM May 15, 2022Observed: 6.44 ft at 9:00AM May 15, 2022Observed: 6.43 ft at 9:15AM May 15, 2022Observed: 6.41 ft at 9:30AM May 15, 2022Observed: 6.42 ft at 9:45AM May 15, 2022Observed: 6.41 ft at 10:00AM May 15, 2022Observed: 6.43 ft at 10:15AM May 15, 2022Observed: 6.42 ft at 10:30AM May 15, 2022Observed: 6.44 ft at 10:45AM May 15, 2022Observed: 6.42 ft at 11:00AM May 15, 2022Observed: 6.42 ft at 11:15AM May 15, 2022Observed: 6.42 ft at 11:30AM May 15, 2022Observed: 6.41 ft at 11:45AM May 15, 2022Observed: 6.43 ft at 12:00PM May 15, 2022Observed: 6.42 ft at 12:15PM May 15, 2022Observed: 6.42 ft at 12:30PM May 15, 2022Observed: 6.42 ft at 12:45PM May 15, 2022Observed: 6.41 ft at 1:00PM May 15, 2022Observed: 6.44 ft at 1:15PM May 15, 2022Observed: 6.43 ft at 1:30PM May 15, 2022Observed: 6.42 ft at 1:45PM May 15, 2022Observed: 6.41 ft at 2:00PM May 15, 2022Observed: 6.4 ft at 2:15PM May 15, 2022Observed: 6.4 ft at 2:30PM May 15, 2022Observed: 6.41 ft at 2:45PM May 15, 2022Observed: 6.4 ft at 3:00PM May 15, 2022Observed: 6.42 ft at 3:15PM May 15, 2022Observed: 6.4 ft at 3:30PM May 15, 2022Observed: 6.41 ft at 3:45PM May 15, 2022Observed: 6.41 ft at 4:00PM May 15, 2022Observed: 6.41 ft at 4:15PM May 15, 2022Observed: 6.41 ft at 4:30PM May 15, 2022Observed: 6.42 ft at 4:45PM May 15, 2022Observed: 6.4 ft at 5:00PM May 15, 2022Observed: 6.39 ft at 5:15PM May 15, 2022Observed: 6.39 ft at 5:30PM May 15, 2022Observed: 6.41 ft at 5:45PM May 15, 2022Observed: 6.41 ft at 6:00PM May 15, 2022Observed: 6.42 ft at 6:15PM May 15, 2022Observed: 6.41 ft at 6:30PM May 15, 2022Observed: 6.39 ft at 6:45PM May 15, 2022Observed: 6.4 ft at 7:00PM May 15, 2022Observed: 6.41 ft at 7:15PM May 15, 2022Observed: 6.4 ft at 7:30PM May 15, 2022Observed: 6.39 ft at 7:45PM May 15, 2022Observed: 6.39 ft at 8:00PM May 15, 2022Observed: 6.39 ft at 8:15PM May 15, 2022Observed: 6.39 ft at 8:30PM May 15, 2022Observed: 6.4 ft at 8:45PM May 15, 2022Observed: 6.4 ft at 9:00PM May 15, 2022Observed: 6.4 ft at 9:15PM May 15, 2022Observed: 6.4 ft at 9:30PM May 15, 2022Observed: 6.4 ft at 9:45PM May 15, 2022Observed: 6.39 ft at 10:00PM May 15, 2022Observed: 6.4 ft at 10:15PM May 15, 2022Observed: 6.38 ft at 10:30PM May 15, 2022Observed: 6.4 ft at 10:45PM May 15, 2022Observed: 6.39 ft at 11:00PM May 15, 2022Observed: 6.4 ft at 11:15PM May 15, 2022Observed: 6.4 ft at 11:30PM May 15, 2022Observed: 6.4 ft at 11:45PM May 15, 2022Observed: 6.4 ft at 12:00AM May 16, 2022Observed: 6.39 ft at 12:15AM May 16, 2022Observed: 6.4 ft at 12:30AM May 16, 2022Observed: 6.39 ft at 12:45AM May 16, 2022Observed: 6.38 ft at 1:00AM May 16, 2022Observed: 6.4 ft at 1:15AM May 16, 2022Observed: 6.38 ft at 1:30AM May 16, 2022Observed: 6.39 ft at 1:45AM May 16, 2022Observed: 6.4 ft at 2:00AM May 16, 2022Observed: 6.4 ft at 2:15AM May 16, 2022Observed: 6.39 ft at 2:30AM May 16, 2022Observed: 6.38 ft at 2:45AM May 16, 2022Observed: 6.39 ft at 3:00AM May 16, 2022Observed: 6.39 ft at 3:15AM May 16, 2022Observed: 6.4 ft at 3:30AM May 16, 2022Observed: 6.38 ft at 3:45AM May 16, 2022Observed: 6.38 ft at 4:00AM May 16, 2022Observed: 6.38 ft at 4:15AM May 16, 2022Observed: 6.37 ft at 4:30AM May 16, 2022Observed: 6.4 ft at 4:45AM May 16, 2022Observed: 6.39 ft at 5:00AM May 16, 2022Observed: 6.39 ft at 5:15AM May 16, 2022Observed: 6.39 ft at 5:30AM May 16, 2022Observed: 6.39 ft at 5:45AM May 16, 2022Observed: 6.4 ft at 6:00AM May 16, 2022Observed: 6.37 ft at 6:15AM May 16, 2022Observed: 6.39 ft at 6:30AM May 16, 2022Observed: 6.39 ft at 6:45AM May 16, 2022Observed: 6.37 ft at 7:00AM May 16, 2022Observed: 6.38 ft at 7:15AM May 16, 2022Observed: 6.38 ft at 7:30AM May 16, 2022Observed: 6.38 ft at 7:45AM May 16, 2022Observed: 6.37 ft at 8:00AM May 16, 2022Observed: 6.38 ft at 8:15AM May 16, 2022Observed: 6.37 ft at 8:30AM May 16, 2022Observed: 6.39 ft at 8:45AM May 16, 2022Observed: 6.38 ft at 9:00AM May 16, 2022Observed: 6.38 ft at 9:15AM May 16, 2022Observed: 6.35 ft at 9:30AM May 16, 2022Observed: 6.37 ft at 9:45AM May 16, 2022Observed: 6.37 ft at 10:00AM May 16, 2022Observed: 6.37 ft at 11:15AM May 16, 2022Observed: 6.38 ft at 11:30AM May 16, 2022Observed: 6.37 ft at 11:45AM May 16, 2022Observed: 6.38 ft at 12:00PM May 16, 2022Observed: 6.38 ft at 12:15PM May 16, 2022Observed: 6.37 ft at 12:30PM May 16, 2022Observed: 6.37 ft at 12:45PM May 16, 2022Observed: 6.36 ft at 1:00PM May 16, 2022Observed: 6.35 ft at 1:15PM May 16, 2022Observed: 6.36 ft at 1:30PM May 16, 2022Observed: 6.34 ft at 1:45PM May 16, 2022Observed: 6.33 ft at 2:00PM May 16, 2022Observed: 6.33 ft at 2:15PM May 16, 2022Observed: 6.33 ft at 2:30PM May 16, 2022Observed: 6.34 ft at 2:45PM May 16, 2022Observed: 6.34 ft at 3:00PM May 16, 2022Observed: 6.34 ft at 3:15PM May 16, 2022Observed: 6.32 ft at 3:30PM May 16, 2022Observed: 6.33 ft at 3:45PM May 16, 2022Observed: 6.33 ft at 4:00PM May 16, 2022Observed: 6.33 ft at 4:15PM May 16, 2022Observed: 6.34 ft at 4:30PM May 16, 2022Observed: 6.33 ft at 4:45PM May 16, 2022Observed: 6.32 ft at 5:00PM May 16, 2022Observed: 6.33 ft at 5:15PM May 16, 2022Observed: 6.33 ft at 5:30PM May 16, 2022Observed: 6.32 ft at 5:45PM May 16, 2022Observed: 6.32 ft at 6:00PM May 16, 2022Observed: 6.32 ft at 6:15PM May 16, 2022Observed: 6.31 ft at 6:30PM May 16, 2022Observed: 6.32 ft at 6:45PM May 16, 2022Observed: 6.3 ft at 7:00PM May 16, 2022Observed: 6.32 ft at 7:15PM May 16, 2022Observed: 6.32 ft at 7:30PM May 16, 2022Observed: 6.31 ft at 7:45PM May 16, 2022Observed: 6.32 ft at 8:00PM May 16, 2022Observed: 6.31 ft at 8:15PM May 16, 2022Observed: 6.32 ft at 8:30PM May 16, 2022Observed: 6.31 ft at 8:45PM May 16, 2022Observed: 6.31 ft at 9:00PM May 16, 2022Observed: 6.32 ft at 9:15PM May 16, 2022Observed: 6.31 ft at 9:30PM May 16, 2022Observed: 6.33 ft at 9:45PM May 16, 2022Observed: 6.32 ft at 10:00PM May 16, 2022Observed: 6.32 ft at 10:15PM May 16, 2022Observed: 6.31 ft at 10:30PM May 16, 2022Observed: 6.3 ft at 10:45PM May 16, 2022Observed: 6.31 ft at 11:00PM May 16, 2022Observed: 6.31 ft at 11:15PM May 16, 2022Observed: 6.31 ft at 11:30PM May 16, 2022Observed: 6.31 ft at 11:45PM May 16, 2022Observed: 6.31 ft at 12:00AM May 17, 2022Observed: 6.32 ft at 12:15AM May 17, 2022Observed: 6.31 ft at 12:30AM May 17, 2022Observed: 6.32 ft at 12:45AM May 17, 2022Observed: 6.31 ft at 1:00AM May 17, 2022Observed: 6.31 ft at 1:15AM May 17, 2022Observed: 6.3 ft at 1:30AM May 17, 2022Observed: 6.3 ft at 1:45AM May 17, 2022Observed: 6.29 ft at 2:00AM May 17, 2022Observed: 6.3 ft at 2:15AM May 17, 2022Observed: 6.3 ft at 2:30AM May 17, 2022Observed: 6.28 ft at 2:45AM May 17, 2022Observed: 6.28 ft at 3:00AM May 17, 2022Observed: 6.3 ft at 3:15AM May 17, 2022Observed: 6.27 ft at 3:30AM May 17, 2022Observed: 6.29 ft at 3:45AM May 17, 2022Observed: 6.28 ft at 4:00AM May 17, 2022Observed: 6.29 ft at 4:15AM May 17, 2022Observed: 6.28 ft at 4:30AM May 17, 2022Observed: 6.27 ft at 4:45AM May 17, 2022Observed: 6.28 ft at 5:00AM May 17, 2022Observed: 6.28 ft at 5:15AM May 17, 2022Observed: 6.28 ft at 5:30AM May 17, 2022Observed: 6.28 ft at 5:45AM May 17, 2022Observed: 6.27 ft at 6:00AM May 17, 2022Observed: 6.28 ft at 6:15AM May 17, 2022Observed: 6.27 ft at 6:30AM May 17, 2022Observed: 6.28 ft at 6:45AM May 17, 2022Observed: 6.28 ft at 7:00AM May 17, 2022Observed: 6.28 ft at 7:15AM May 17, 2022Observed: 6.28 ft at 7:30AM May 17, 2022Observed: 6.28 ft at 7:45AM May 17, 2022Observed: 6.29 ft at 8:00AM May 17, 2022Observed: 6.28 ft at 8:15AM May 17, 2022Observed: 6.28 ft at 8:30AM May 17, 2022Observed: 6.28 ft at 8:45AM May 17, 2022Observed: 6.29 ft at 9:00AM May 17, 2022Observed: 6.29 ft at 9:15AM May 17, 2022Observed: 6.28 ft at 9:30AM May 17, 2022Observed: 6.28 ft at 9:45AM May 17, 2022Observed: 6.27 ft at 10:00AM May 17, 2022Observed: 6.28 ft at 10:15AM May 17, 2022Observed: 6.28 ft at 10:30AM May 17, 2022Observed: 6.28 ft at 10:45AM May 17, 2022Observed: 6.28 ft at 11:00AM May 17, 2022Observed: 6.28 ft at 11:15AM May 17, 2022Observed: 6.29 ft at 11:30AM May 17, 2022Observed: 6.28 ft at 11:45AM May 17, 2022Observed: 6.3 ft at 12:00PM May 17, 2022Observed: 6.28 ft at 12:15PM May 17, 2022Observed: 6.28 ft at 12:30PM May 17, 2022Observed: 6.29 ft at 12:45PM May 17, 2022Observed: 6.28 ft at 1:00PM May 17, 2022Observed: 6.28 ft at 1:15PM May 17, 2022Observed: 6.28 ft at 1:30PM May 17, 2022Observed: 6.27 ft at 1:45PM May 17, 2022Observed: 6.28 ft at 2:00PM May 17, 2022Observed: 6.28 ft at 2:15PM May 17, 2022Observed: 6.28 ft at 2:30PM May 17, 2022Observed: 6.28 ft at 2:45PM May 17, 2022Observed: 6.29 ft at 3:00PM May 17, 2022Observed: 6.27 ft at 3:15PM May 17, 2022Observed: 6.29 ft at 3:30PM May 17, 2022Observed: 6.27 ft at 3:45PM May 17, 2022Observed: 6.27 ft at 4:00PM May 17, 2022Observed: 6.28 ft at 4:15PM May 17, 2022Observed: 6.28 ft at 4:30PM May 17, 2022Observed: 6.27 ft at 4:45PM May 17, 2022Observed: 6.28 ft at 5:00PM May 17, 2022Observed: 6.28 ft at 5:15PM May 17, 2022Observed: 6.29 ft at 5:30PM May 17, 2022Observed: 6.28 ft at 5:45PM May 17, 2022Observed: 6.29 ft at 6:00PM May 17, 2022Observed: 6.27 ft at 6:15PM May 17, 2022Observed: 6.28 ft at 6:30PM May 17, 2022Observed: 6.28 ft at 6:45PM May 17, 2022Observed: 6.28 ft at 7:00PM May 17, 2022Observed: 6.28 ft at 7:15PM May 17, 2022Observed: 6.26 ft at 7:30PM May 17, 2022Observed: 6.26 ft at 7:45PM May 17, 2022Observed: 6.28 ft at 8:00PM May 17, 2022Observed: 6.26 ft at 8:15PM May 17, 2022Observed: 6.27 ft at 8:30PM May 17, 2022Observed: 6.28 ft at 8:45PM May 17, 2022Observed: 6.26 ft at 9:00PM May 17, 2022Observed: 6.26 ft at 9:15PM May 17, 2022Observed: 6.28 ft at 9:30PM May 17, 2022Observed: 6.28 ft at 9:45PM May 17, 2022Observed: 6.27 ft at 10:00PM May 17, 2022Observed: 6.27 ft at 10:15PM May 17, 2022Observed: 6.27 ft at 10:30PM May 17, 2022Observed: 6.26 ft at 10:45PM May 17, 2022Observed: 6.27 ft at 11:00PM May 17, 2022Observed: 6.28 ft at 11:15PM May 17, 2022Observed: 6.28 ft at 11:30PM May 17, 2022Observed: 6.27 ft at 11:45PM May 17, 2022Observed: 6.26 ft at 12:00AM May 18, 2022Observed: 6.27 ft at 12:15AM May 18, 2022Observed: 6.27 ft at 12:30AM May 18, 2022Observed: 6.27 ft at 12:45AM May 18, 2022Observed: 6.26 ft at 1:00AM May 18, 2022Observed: 6.27 ft at 1:15AM May 18, 2022Observed: 6.26 ft at 1:30AM May 18, 2022Observed: 6.26 ft at 1:45AM May 18, 2022Observed: 6.27 ft at 2:00AM May 18, 2022Observed: 6.26 ft at 2:15AM May 18, 2022Observed: 6.26 ft at 2:30AM May 18, 2022Observed: 6.26 ft at 2:45AM May 18, 2022Observed: 6.26 ft at 3:00AM May 18, 2022Observed: 6.27 ft at 3:15AM May 18, 2022Observed: 6.26 ft at 3:30AM May 18, 2022Observed: 6.26 ft at 3:45AM May 18, 2022Observed: 6.27 ft at 4:00AM May 18, 2022Observed: 6.27 ft at 4:15AM May 18, 2022Observed: 6.25 ft at 4:30AM May 18, 2022Observed: 6.26 ft at 4:45AM May 18, 2022Observed: 6.27 ft at 5:00AM May 18, 2022Observed: 6.27 ft at 5:15AM May 18, 2022Observed: 6.27 ft at 5:30AM May 18, 2022Observed: 6.27 ft at 5:45AM May 18, 2022Observed: 6.27 ft at 6:00AM May 18, 2022Observed: 6.26 ft at 6:15AM May 18, 2022Observed: 6.27 ft at 6:30AM May 18, 2022Observed: 6.26 ft at 6:45AM May 18, 2022Observed: 6.27 ft at 7:00AM May 18, 2022Observed: 6.27 ft at 7:15AM May 18, 2022Observed: 6.28 ft at 7:30AM May 18, 2022Observed: 6.27 ft at 7:45AM May 18, 2022Observed: 6.28 ft at 8:00AM May 18, 2022Observed: 6.28 ft at 8:15AM May 18, 2022Observed: 6.27 ft at 8:30AM May 18, 2022Observed: 6.27 ft at 8:45AM May 18, 2022Observed: 6.27 ft at 9:00AM May 18, 2022Observed: 6.28 ft at 9:15AM May 18, 2022Observed: 6.27 ft at 9:30AM May 18, 2022Observed: 6.27 ft at 9:45AM May 18, 2022Observed: 6.27 ft at 10:00AM May 18, 2022Observed: 6.28 ft at 10:15AM May 18, 2022Observed: 6.28 ft at 10:30AM May 18, 2022Observed: 6.28 ft at 10:45AM May 18, 2022Observed: 6.27 ft at 11:00AM May 18, 2022Observed: 6.26 ft at 11:15AM May 18, 2022Observed: 6.28 ft at 11:30AM May 18, 2022Observed: 6.26 ft at 11:45AM May 18, 2022Observed: 6.27 ft at 12:00PM May 18, 2022Observed: 6.28 ft at 12:15PM May 18, 2022Observed: 6.27 ft at 12:30PM May 18, 2022Observed: 6.27 ft at 12:45PM May 18, 2022Observed: 6.27 ft at 1:00PM May 18, 2022Observed: 6.27 ft at 1:15PM May 18, 2022Observed: 6.27 ft at 1:30PM May 18, 2022Observed: 6.27 ft at 1:45PM May 18, 2022Observed: 6.27 ft at 2:00PM May 18, 2022Observed: 6.27 ft at 2:15PM May 18, 2022Observed: 6.27 ft at 2:30PM May 18, 2022Observed: 6.27 ft at 2:45PM May 18, 2022Observed: 6.27 ft at 3:00PM May 18, 2022Observed: 6.28 ft at 3:15PM May 18, 2022Observed: 6.28 ft at 3:30PM May 18, 2022Observed: 6.27 ft at 3:45PM May 18, 2022Observed: 6.27 ft at 4:00PM May 18, 2022Observed: 6.26 ft at 4:15PM May 18, 2022Observed: 6.27 ft at 4:30PM May 18, 2022Observed: 6.27 ft at 4:45PM May 18, 2022Observed: 6.26 ft at 5:00PM May 18, 2022Observed: 6.27 ft at 5:15PM May 18, 2022Observed: 6.27 ft at 5:30PM May 18, 2022Observed: 6.28 ft at 5:45PM May 18, 2022Observed: 6.27 ft at 6:00PM May 18, 2022Observed: 6.27 ft at 6:15PM May 18, 2022Observed: 6.35 ft at 6:30PM May 18, 2022Observed: 6.35 ft at 6:45PM May 18, 2022Observed: 6.36 ft at 7:00PM May 18, 2022Observed: 6.35 ft at 7:15PM May 18, 2022Observed: 6.26 ft at 7:30PM May 18, 2022Observed: 6.26 ft at 7:45PM May 18, 2022Observed: 6.26 ft at 8:00PM May 18, 2022Observed: 6.35 ft at 8:15PM May 18, 2022Observed: 6.33 ft at 8:30PM May 18, 2022Observed: 6.26 ft at 8:45PM May 18, 2022Observed: 6.32 ft at 9:00PM May 18, 2022Observed: 6.35 ft at 9:15PM May 18, 2022Observed: 6.25 ft at 9:30PM May 18, 2022Observed: 6.25 ft at 9:45PM May 18, 2022Observed: 6.24 ft at 10:00PM May 18, 2022Observed: 6.33 ft at 10:15PM May 18, 2022Observed: 6.24 ft at 10:30PM May 18, 2022Observed: 6.25 ft at 10:45PM May 18, 2022Observed: 6.25 ft at 11:00PM May 18, 2022Observed: 6.25 ft at 11:15PM May 18, 2022Observed: 6.25 ft at 11:30PM May 18, 2022Observed: 6.24 ft at 11:45PM May 18, 2022Observed: 6.25 ft at 12:00AM May 19, 2022Observed: 6.24 ft at 12:15AM May 19, 2022Observed: 6.24 ft at 12:30AM May 19, 2022Observed: 6.24 ft at 12:45AM May 19, 2022Observed: 6.24 ft at 1:00AM May 19, 2022Observed: 6.24 ft at 1:15AM May 19, 2022Observed: 6.24 ft at 1:30AM May 19, 2022Observed: 6.25 ft at 1:45AM May 19, 2022Observed: 6.24 ft at 2:00AM May 19, 2022Observed: 6.24 ft at 2:15AM May 19, 2022Observed: 6.24 ft at 2:30AM May 19, 2022Observed: 6.24 ft at 2:45AM May 19, 2022Observed: 6.24 ft at 3:00AM May 19, 2022Observed: 6.24 ft at 3:15AM May 19, 2022Observed: 6.24 ft at 3:30AM May 19, 2022Observed: 6.24 ft at 3:45AM May 19, 2022Observed: 6.23 ft at 4:00AM May 19, 2022Observed: 6.24 ft at 4:15AM May 19, 2022Observed: 6.23 ft at 4:30AM May 19, 2022Observed: 6.24 ft at 4:45AM May 19, 2022Observed: 6.23 ft at 5:00AM May 19, 2022Observed: 6.24 ft at 5:15AM May 19, 2022Observed: 6.24 ft at 5:30AM May 19, 2022Observed: 6.24 ft at 5:45AM May 19, 2022Observed: 6.24 ft at 6:00AM May 19, 2022Observed: 6.24 ft at 6:15AM May 19, 2022Observed: 6.23 ft at 6:30AM May 19, 2022Observed: 6.24 ft at 6:45AM May 19, 2022Observed: 6.24 ft at 7:00AM May 19, 2022Observed: 6.24 ft at 7:15AM May 19, 2022Observed: 6.23 ft at 7:30AM May 19, 2022Observed: 6.24 ft at 7:45AM May 19, 2022Observed: 6.24 ft at 8:00AM May 19, 2022Observed: 6.24 ft at 8:15AM May 19, 2022Observed: 6.24 ft at 8:30AM May 19, 2022Observed: 6.24 ft at 8:45AM May 19, 2022Observed: 6.23 ft at 9:00AM May 19, 2022Observed: 6.23 ft at 9:15AM May 19, 2022Observed: 6.24 ft at 9:30AM May 19, 2022Observed: 6.23 ft at 9:45AM May 19, 2022Observed: 6.24 ft at 10:00AM May 19, 2022USACE--Rivergages.comSTBI4(plotting HGIRG) Graph Created (11:18AM May 19, 2022)ObservedLatest observed value: 6.24 ft at 10:00 AM CDT 19-May-2022. Flood Stage is 11 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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Metadata
NOTE: Forecasts are not available for the Iowa River at Steamboat Rock. Only observed stages are available for this point.
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Upstream Gauge - near Rowan Upstream Gauge Downstream Gauge Downstream Gauge - at Marshalltown
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 11
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 17.86 ft on 06/08/2008
(2) 16.42 ft on 03/08/1965
(3) 16.26 ft on 07/09/1969
(4) 16.09 ft on 01/02/2016
(5) 15.80 ft on 06/23/1954
(6) 15.10 ft on 09/27/2016
(7) 14.83 ft on 05/20/1991
(8) 14.02 ft on 06/20/1984
(9) 13.94 ft on 05/30/2013
(10) 13.75 ft on 06/26/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.60 ft on 02/07/2017
(2) 7.36 ft on 01/23/2017
(3) 6.77 ft on 12/28/2016
(4) 7.13 ft on 12/19/2016
(5) 7.74 ft on 12/12/2016
(6) 15.10 ft on 09/27/2016
(7) 7.21 ft on 09/01/2016
(8) 7.05 ft on 08/22/2016
(9) 7.62 ft on 07/22/2016
(10) 8.41 ft on 06/05/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.42 ft on 08/24/1995
(2) 4.56 ft on 03/01/1993
(3) 4.85 ft on 09/02/1992
(4) 4.97 ft on 01/02/2012
(5) 5.03 ft on 04/15/1992
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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Latitude: 42.407228° N, Longitude: 93.072031° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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NWS Information
National Weather Service
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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