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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

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Hydrograph River at a Glance Download
Iowa River at Steamboat Rock Stage (ft)Flow (cfs)Observed: 5.4 ft at 2:15PM Nov 24, 2023Observed: 5.4 ft at 2:30PM Nov 24, 2023Observed: 5.4 ft at 2:45PM Nov 24, 2023Observed: 5.4 ft at 3:00PM Nov 24, 2023Observed: 5.4 ft at 3:15PM Nov 24, 2023Observed: 5.4 ft at 3:30PM Nov 24, 2023Observed: 5.4 ft at 3:45PM Nov 24, 2023Observed: 5.4 ft at 4:00PM Nov 24, 2023Observed: 5.4 ft at 4:15PM Nov 24, 2023Observed: 5.4 ft at 4:30PM Nov 24, 2023Observed: 5.4 ft at 4:45PM Nov 24, 2023Observed: 5.4 ft at 5:00PM Nov 24, 2023Observed: 5.4 ft at 5:15PM Nov 24, 2023Observed: 5.4 ft at 5:30PM Nov 24, 2023Observed: 5.4 ft at 5:45PM Nov 24, 2023Observed: 5.4 ft at 6:00PM Nov 24, 2023Observed: 5.4 ft at 6:15PM Nov 24, 2023Observed: 5.4 ft at 6:30PM Nov 24, 2023Observed: 5.4 ft at 6:45PM Nov 24, 2023Observed: 5.4 ft at 7:00PM Nov 24, 2023Observed: 5.4 ft at 7:15PM Nov 24, 2023Observed: 5.4 ft at 7:30PM Nov 24, 2023Observed: 5.4 ft at 7:45PM Nov 24, 2023Observed: 5.4 ft at 8:00PM Nov 24, 2023Observed: 5.4 ft at 8:15PM Nov 24, 2023Observed: 5.4 ft at 8:30PM Nov 24, 2023Observed: 5.4 ft at 8:45PM Nov 24, 2023Observed: 5.4 ft at 9:00PM Nov 24, 2023Observed: 5.4 ft at 9:15PM Nov 24, 2023Observed: 5.4 ft at 9:30PM Nov 24, 2023Observed: 5.4 ft at 9:45PM Nov 24, 2023Observed: 5.4 ft at 10:00PM Nov 24, 2023Observed: 5.4 ft at 10:15PM Nov 24, 2023Observed: 5.4 ft at 10:30PM Nov 24, 2023Observed: 5.4 ft at 10:45PM Nov 24, 2023Observed: 5.4 ft at 11:00PM Nov 24, 2023Observed: 5.39 ft at 11:15PM Nov 24, 2023Observed: 5.4 ft at 11:30PM Nov 24, 2023Observed: 5.4 ft at 11:45PM Nov 24, 2023Observed: 5.4 ft at 12:00AM Nov 25, 2023Observed: 5.4 ft at 12:15AM Nov 25, 2023Observed: 5.39 ft at 12:30AM Nov 25, 2023Observed: 5.4 ft at 12:45AM Nov 25, 2023Observed: 5.4 ft at 1:00AM Nov 25, 2023Observed: 5.4 ft at 1:15AM Nov 25, 2023Observed: 5.4 ft at 1:30AM Nov 25, 2023Observed: 5.4 ft at 1:45AM Nov 25, 2023Observed: 5.4 ft at 2:00AM Nov 25, 2023Observed: 5.4 ft at 2:15AM Nov 25, 2023Observed: 5.39 ft at 2:30AM Nov 25, 2023Observed: 5.4 ft at 2:45AM Nov 25, 2023Observed: 5.4 ft at 3:00AM Nov 25, 2023Observed: 5.4 ft at 3:15AM Nov 25, 2023Observed: 5.39 ft at 3:30AM Nov 25, 2023Observed: 5.4 ft at 3:45AM Nov 25, 2023Observed: 5.4 ft at 4:00AM Nov 25, 2023Observed: 5.4 ft at 4:15AM Nov 25, 2023Observed: 5.4 ft at 4:30AM Nov 25, 2023Observed: 5.39 ft at 4:45AM Nov 25, 2023Observed: 5.39 ft at 5:00AM Nov 25, 2023Observed: 5.4 ft at 5:15AM Nov 25, 2023Observed: 5.4 ft at 5:30AM Nov 25, 2023Observed: 5.39 ft at 5:45AM Nov 25, 2023Observed: 5.39 ft at 6:00AM Nov 25, 2023Observed: 5.39 ft at 6:15AM Nov 25, 2023Observed: 5.39 ft at 6:30AM Nov 25, 2023Observed: 5.4 ft at 6:45AM Nov 25, 2023Observed: 5.39 ft at 7:00AM Nov 25, 2023Observed: 5.4 ft at 7:15AM Nov 25, 2023Observed: 5.39 ft at 7:30AM Nov 25, 2023Observed: 5.39 ft at 7:45AM Nov 25, 2023Observed: 5.39 ft at 8:00AM Nov 25, 2023Observed: 5.39 ft at 8:15AM Nov 25, 2023Observed: 5.39 ft at 8:30AM Nov 25, 2023Observed: 5.39 ft at 8:45AM Nov 25, 2023Observed: 5.39 ft at 9:00AM Nov 25, 2023Observed: 5.39 ft at 9:15AM Nov 25, 2023Observed: 5.39 ft at 9:30AM Nov 25, 2023Observed: 5.4 ft at 9:45AM Nov 25, 2023Observed: 5.4 ft at 10:00AM Nov 25, 2023Observed: 5.4 ft at 10:15AM Nov 25, 2023Observed: 5.4 ft at 10:30AM Nov 25, 2023Observed: 5.4 ft at 10:45AM Nov 25, 2023Observed: 5.41 ft at 11:00AM Nov 25, 2023Observed: 5.41 ft at 11:15AM Nov 25, 2023Observed: 5.41 ft at 11:30AM Nov 25, 2023Observed: 5.4 ft at 11:45AM Nov 25, 2023Observed: 5.41 ft at 12:00PM Nov 25, 2023Observed: 5.41 ft at 12:15PM Nov 25, 2023Observed: 5.4 ft at 12:30PM Nov 25, 2023Observed: 5.41 ft at 12:45PM Nov 25, 2023Observed: 5.4 ft at 1:00PM Nov 25, 2023Observed: 5.4 ft at 1:15PM Nov 25, 2023Observed: 5.4 ft at 1:30PM Nov 25, 2023Observed: 5.4 ft at 1:45PM Nov 25, 2023Observed: 5.4 ft at 2:00PM Nov 25, 2023Observed: 5.4 ft at 2:15PM Nov 25, 2023Observed: 5.4 ft at 2:30PM Nov 25, 2023Observed: 5.4 ft at 2:45PM Nov 25, 2023Observed: 5.4 ft at 3:00PM Nov 25, 2023Observed: 5.4 ft at 3:15PM Nov 25, 2023Observed: 5.4 ft at 3:30PM Nov 25, 2023Observed: 5.39 ft at 3:45PM Nov 25, 2023Observed: 5.4 ft at 4:00PM Nov 25, 2023Observed: 5.39 ft at 4:15PM Nov 25, 2023Observed: 5.39 ft at 4:30PM Nov 25, 2023Observed: 5.4 ft at 4:45PM Nov 25, 2023Observed: 5.39 ft at 5:00PM Nov 25, 2023Observed: 5.39 ft at 5:15PM Nov 25, 2023Observed: 5.39 ft at 5:30PM Nov 25, 2023Observed: 5.39 ft at 5:45PM Nov 25, 2023Observed: 5.39 ft at 6:00PM Nov 25, 2023Observed: 5.39 ft at 6:15PM Nov 25, 2023Observed: 5.39 ft at 6:30PM Nov 25, 2023Observed: 5.39 ft at 6:45PM Nov 25, 2023Observed: 5.39 ft at 7:00PM Nov 25, 2023Observed: 5.39 ft at 7:15PM Nov 25, 2023Observed: 5.39 ft at 7:30PM Nov 25, 2023Observed: 5.39 ft at 7:45PM Nov 25, 2023Observed: 5.38 ft at 8:00PM Nov 25, 2023Observed: 5.39 ft at 8:15PM Nov 25, 2023Observed: 5.38 ft at 8:30PM Nov 25, 2023Observed: 5.39 ft at 8:45PM Nov 25, 2023Observed: 5.39 ft at 9:00PM Nov 25, 2023Observed: 5.39 ft at 9:15PM Nov 25, 2023Observed: 5.39 ft at 9:30PM Nov 25, 2023Observed: 5.39 ft at 9:45PM Nov 25, 2023Observed: 5.39 ft at 10:00PM Nov 25, 2023Observed: 5.39 ft at 10:15PM Nov 25, 2023Observed: 5.39 ft at 10:30PM Nov 25, 2023Observed: 5.39 ft at 10:45PM Nov 25, 2023Observed: 5.39 ft at 11:00PM Nov 25, 2023Observed: 5.39 ft at 11:15PM Nov 25, 2023Observed: 5.39 ft at 11:30PM Nov 25, 2023Observed: 5.39 ft at 11:45PM Nov 25, 2023Observed: 5.39 ft at 12:00AM Nov 26, 2023Observed: 5.39 ft at 12:15AM Nov 26, 2023Observed: 5.39 ft at 12:30AM Nov 26, 2023Observed: 5.4 ft at 12:45AM Nov 26, 2023Observed: 5.4 ft at 1:00AM Nov 26, 2023Observed: 5.4 ft at 1:15AM Nov 26, 2023Observed: 5.4 ft at 1:30AM Nov 26, 2023Observed: 5.4 ft at 1:45AM Nov 26, 2023Observed: 5.39 ft at 2:00AM Nov 26, 2023Observed: 5.4 ft at 2:15AM Nov 26, 2023Observed: 5.4 ft at 2:30AM Nov 26, 2023Observed: 5.4 ft at 2:45AM Nov 26, 2023Observed: 5.4 ft at 3:00AM Nov 26, 2023Observed: 5.4 ft at 3:15AM Nov 26, 2023Observed: 5.4 ft at 3:30AM Nov 26, 2023Observed: 5.4 ft at 3:45AM Nov 26, 2023Observed: 5.4 ft at 4:00AM Nov 26, 2023Observed: 5.4 ft at 4:15AM Nov 26, 2023Observed: 5.39 ft at 4:30AM Nov 26, 2023Observed: 5.39 ft at 4:45AM Nov 26, 2023Observed: 5.4 ft at 5:00AM Nov 26, 2023Observed: 5.4 ft at 5:15AM Nov 26, 2023Observed: 5.4 ft at 5:30AM Nov 26, 2023Observed: 5.4 ft at 5:45AM Nov 26, 2023Observed: 5.4 ft at 6:00AM Nov 26, 2023Observed: 5.4 ft at 6:15AM Nov 26, 2023Observed: 5.4 ft at 6:30AM Nov 26, 2023Observed: 5.39 ft at 6:45AM Nov 26, 2023Observed: 5.39 ft at 7:00AM Nov 26, 2023Observed: 5.39 ft at 7:15AM Nov 26, 2023Observed: 5.39 ft at 7:30AM Nov 26, 2023Observed: 5.39 ft at 7:45AM Nov 26, 2023Observed: 5.39 ft at 8:00AM Nov 26, 2023Observed: 5.39 ft at 8:15AM Nov 26, 2023Observed: 5.39 ft at 8:30AM Nov 26, 2023Observed: 5.39 ft at 8:45AM Nov 26, 2023Observed: 5.39 ft at 9:00AM Nov 26, 2023Observed: 5.4 ft at 9:15AM Nov 26, 2023Observed: 5.4 ft at 9:30AM Nov 26, 2023Observed: 5.4 ft at 9:45AM Nov 26, 2023Observed: 5.4 ft at 10:00AM Nov 26, 2023Observed: 5.41 ft at 10:15AM Nov 26, 2023Observed: 5.41 ft at 10:30AM Nov 26, 2023Observed: 5.41 ft at 10:45AM Nov 26, 2023Observed: 5.42 ft at 11:00AM Nov 26, 2023Observed: 5.42 ft at 11:15AM Nov 26, 2023Observed: 5.42 ft at 11:30AM Nov 26, 2023Observed: 5.42 ft at 11:45AM Nov 26, 2023Observed: 5.42 ft at 12:00PM Nov 26, 2023Observed: 5.42 ft at 12:15PM Nov 26, 2023Highest Observation: 5.43 ft at 12:30PM Nov 26, 2023Observed: 5.42 ft at 12:45PM Nov 26, 2023Observed: 5.42 ft at 1:00PM Nov 26, 2023Observed: 5.42 ft at 1:15PM Nov 26, 2023Observed: 5.42 ft at 1:30PM Nov 26, 2023Observed: 5.42 ft at 1:45PM Nov 26, 2023Observed: 5.42 ft at 2:00PM Nov 26, 2023Observed: 5.42 ft at 2:15PM Nov 26, 2023Observed: 5.41 ft at 2:30PM Nov 26, 2023Observed: 5.41 ft at 2:45PM Nov 26, 2023Observed: 5.42 ft at 3:00PM Nov 26, 2023Observed: 5.42 ft at 3:15PM Nov 26, 2023Observed: 5.41 ft at 3:30PM Nov 26, 2023Observed: 5.41 ft at 3:45PM Nov 26, 2023Observed: 5.41 ft at 4:00PM Nov 26, 2023Observed: 5.41 ft at 4:15PM Nov 26, 2023Observed: 5.41 ft at 4:30PM Nov 26, 2023Observed: 5.41 ft at 4:45PM Nov 26, 2023Observed: 5.41 ft at 5:00PM Nov 26, 2023Observed: 5.41 ft at 5:15PM Nov 26, 2023Observed: 5.41 ft at 5:30PM Nov 26, 2023Observed: 5.4 ft at 5:45PM Nov 26, 2023Observed: 5.41 ft at 6:00PM Nov 26, 2023Observed: 5.4 ft at 6:15PM Nov 26, 2023Observed: 5.41 ft at 6:30PM Nov 26, 2023Observed: 5.4 ft at 6:45PM Nov 26, 2023Observed: 5.4 ft at 7:00PM Nov 26, 2023Observed: 5.4 ft at 7:15PM Nov 26, 2023Observed: 5.4 ft at 7:30PM Nov 26, 2023Observed: 5.4 ft at 7:45PM Nov 26, 2023Observed: 5.39 ft at 8:00PM Nov 26, 2023Observed: 5.4 ft at 8:15PM Nov 26, 2023Observed: 5.4 ft at 8:30PM Nov 26, 2023Observed: 5.4 ft at 8:45PM Nov 26, 2023Observed: 5.4 ft at 9:00PM Nov 26, 2023Observed: 5.4 ft at 9:15PM Nov 26, 2023Observed: 5.39 ft at 9:30PM Nov 26, 2023Observed: 5.4 ft at 9:45PM Nov 26, 2023Observed: 5.4 ft at 10:00PM Nov 26, 2023Observed: 5.4 ft at 10:15PM Nov 26, 2023Observed: 5.39 ft at 10:30PM Nov 26, 2023Observed: 5.39 ft at 10:45PM Nov 26, 2023Observed: 5.4 ft at 11:00PM Nov 26, 2023Observed: 5.39 ft at 11:15PM Nov 26, 2023Observed: 5.4 ft at 11:30PM Nov 26, 2023Observed: 5.39 ft at 11:45PM Nov 26, 2023Observed: 5.39 ft at 12:00AM Nov 27, 2023Observed: 5.39 ft at 12:15AM Nov 27, 2023Observed: 5.39 ft at 12:30AM Nov 27, 2023Observed: 5.38 ft at 12:45AM Nov 27, 2023Observed: 5.38 ft at 1:00AM Nov 27, 2023Observed: 5.37 ft at 1:15AM Nov 27, 2023Observed: 5.37 ft at 1:30AM Nov 27, 2023Observed: 5.37 ft at 1:45AM Nov 27, 2023Observed: 5.36 ft at 2:00AM Nov 27, 2023Observed: 5.36 ft at 2:15AM Nov 27, 2023Observed: 5.36 ft at 2:30AM Nov 27, 2023Observed: 5.35 ft at 2:45AM Nov 27, 2023Observed: 5.35 ft at 3:00AM Nov 27, 2023Observed: 5.35 ft at 3:15AM Nov 27, 2023Observed: 5.34 ft at 3:30AM Nov 27, 2023Observed: 5.34 ft at 3:45AM Nov 27, 2023Observed: 5.34 ft at 4:00AM Nov 27, 2023Observed: 5.33 ft at 4:15AM Nov 27, 2023Observed: 5.31 ft at 4:30AM Nov 27, 2023Observed: 5.31 ft at 4:45AM Nov 27, 2023Observed: 5.3 ft at 5:00AM Nov 27, 2023Observed: 5.28 ft at 5:15AM Nov 27, 2023Observed: 5.27 ft at 5:30AM Nov 27, 2023Observed: 5.26 ft at 5:45AM Nov 27, 2023Observed: 5.25 ft at 6:00AM Nov 27, 2023Observed: 5.24 ft at 6:15AM Nov 27, 2023Observed: 5.23 ft at 6:30AM Nov 27, 2023Observed: 5.22 ft at 6:45AM Nov 27, 2023Observed: 5.22 ft at 7:00AM Nov 27, 2023Observed: 5.2 ft at 7:15AM Nov 27, 2023Observed: 5.2 ft at 7:30AM Nov 27, 2023Observed: 5.2 ft at 7:45AM Nov 27, 2023Observed: 5.19 ft at 8:00AM Nov 27, 2023Observed: 5.18 ft at 8:15AM Nov 27, 2023Observed: 5.18 ft at 8:30AM Nov 27, 2023Observed: 5.18 ft at 8:45AM Nov 27, 2023Observed: 5.17 ft at 9:00AM Nov 27, 2023Observed: 5.18 ft at 9:15AM Nov 27, 2023Observed: 5.17 ft at 9:30AM Nov 27, 2023Observed: 5.18 ft at 9:45AM Nov 27, 2023Observed: 5.18 ft at 10:00AM Nov 27, 2023Observed: 5.18 ft at 10:15AM Nov 27, 2023Observed: 5.18 ft at 10:30AM Nov 27, 2023Observed: 5.19 ft at 10:45AM Nov 27, 2023Observed: 5.2 ft at 11:00AM Nov 27, 2023Observed: 5.21 ft at 11:15AM Nov 27, 2023Observed: 5.23 ft at 11:30AM Nov 27, 2023Observed: 5.23 ft at 11:45AM Nov 27, 2023Observed: 5.24 ft at 12:00PM Nov 27, 2023Observed: 5.26 ft at 12:15PM Nov 27, 2023Observed: 5.27 ft at 12:30PM Nov 27, 2023Observed: 5.27 ft at 12:45PM Nov 27, 2023Observed: 5.29 ft at 1:00PM Nov 27, 2023Observed: 5.31 ft at 1:15PM Nov 27, 2023Observed: 5.32 ft at 1:30PM Nov 27, 2023Observed: 5.34 ft at 1:45PM Nov 27, 2023Observed: 5.35 ft at 2:00PM Nov 27, 2023Observed: 5.37 ft at 2:15PM Nov 27, 2023Observed: 5.38 ft at 2:30PM Nov 27, 2023Observed: 5.4 ft at 2:45PM Nov 27, 2023Observed: 5.4 ft at 3:00PM Nov 27, 2023Observed: 5.41 ft at 3:15PM Nov 27, 2023Observed: 5.42 ft at 3:30PM Nov 27, 2023Highest Observation: 5.43 ft at 3:45PM Nov 27, 2023Highest Observation: 5.43 ft at 4:00PM Nov 27, 2023Highest Observation: 5.43 ft at 4:15PM Nov 27, 2023Highest Observation: 5.43 ft at 4:30PM Nov 27, 2023Highest Observation: 5.43 ft at 4:45PM Nov 27, 2023Highest Observation: 5.43 ft at 5:00PM Nov 27, 2023Highest Observation: 5.43 ft at 5:15PM Nov 27, 2023Highest Observation: 5.43 ft at 5:30PM Nov 27, 2023Observed: 5.42 ft at 5:45PM Nov 27, 2023Observed: 5.42 ft at 6:00PM Nov 27, 2023Observed: 5.41 ft at 6:15PM Nov 27, 2023Observed: 5.41 ft at 6:30PM Nov 27, 2023Observed: 5.41 ft at 6:45PM Nov 27, 2023Observed: 5.4 ft at 7:00PM Nov 27, 2023Observed: 5.4 ft at 7:15PM Nov 27, 2023Observed: 5.4 ft at 7:30PM Nov 27, 2023Observed: 5.4 ft at 7:45PM Nov 27, 2023Observed: 5.4 ft at 8:00PM Nov 27, 2023Observed: 5.4 ft at 8:15PM Nov 27, 2023Observed: 5.4 ft at 8:30PM Nov 27, 2023Observed: 5.4 ft at 8:45PM Nov 27, 2023Observed: 5.4 ft at 9:00PM Nov 27, 2023Observed: 5.4 ft at 9:15PM Nov 27, 2023Observed: 5.4 ft at 9:30PM Nov 27, 2023Observed: 5.4 ft at 9:45PM Nov 27, 2023Observed: 5.39 ft at 10:00PM Nov 27, 2023Observed: 5.4 ft at 10:15PM Nov 27, 2023Observed: 5.4 ft at 10:30PM Nov 27, 2023Observed: 5.4 ft at 10:45PM Nov 27, 2023Observed: 5.4 ft at 11:00PM Nov 27, 2023Observed: 5.4 ft at 11:15PM Nov 27, 2023Observed: 5.39 ft at 11:30PM Nov 27, 2023Observed: 5.38 ft at 11:45PM Nov 27, 2023Observed: 5.39 ft at 12:00AM Nov 28, 2023Observed: 5.38 ft at 12:15AM Nov 28, 2023Observed: 5.38 ft at 12:30AM Nov 28, 2023Observed: 5.37 ft at 12:45AM Nov 28, 2023Observed: 5.36 ft at 1:00AM Nov 28, 2023Observed: 5.36 ft at 1:15AM Nov 28, 2023Observed: 5.36 ft at 1:30AM Nov 28, 2023Observed: 5.35 ft at 1:45AM Nov 28, 2023Observed: 5.34 ft at 2:00AM Nov 28, 2023Observed: 5.34 ft at 2:15AM Nov 28, 2023Observed: 5.34 ft at 2:30AM Nov 28, 2023Observed: 5.33 ft at 2:45AM Nov 28, 2023Observed: 5.32 ft at 3:00AM Nov 28, 2023Observed: 5.32 ft at 3:15AM Nov 28, 2023Observed: 5.31 ft at 3:30AM Nov 28, 2023Observed: 5.31 ft at 3:45AM Nov 28, 2023Observed: 5.31 ft at 4:00AM Nov 28, 2023Observed: 5.3 ft at 4:15AM Nov 28, 2023Observed: 5.3 ft at 4:30AM Nov 28, 2023Observed: 5.29 ft at 4:45AM Nov 28, 2023Observed: 5.29 ft at 5:00AM Nov 28, 2023Observed: 5.29 ft at 5:15AM Nov 28, 2023Observed: 5.28 ft at 5:30AM Nov 28, 2023Observed: 5.28 ft at 5:45AM Nov 28, 2023Observed: 5.28 ft at 6:00AM Nov 28, 2023Observed: 5.27 ft at 6:15AM Nov 28, 2023Observed: 5.28 ft at 6:30AM Nov 28, 2023Observed: 5.27 ft at 6:45AM Nov 28, 2023Observed: 5.27 ft at 7:00AM Nov 28, 2023Observed: 5.27 ft at 7:15AM Nov 28, 2023Observed: 5.27 ft at 7:30AM Nov 28, 2023Observed: 5.27 ft at 7:45AM Nov 28, 2023Observed: 5.27 ft at 8:00AM Nov 28, 2023Observed: 5.27 ft at 8:15AM Nov 28, 2023Observed: 5.27 ft at 8:30AM Nov 28, 2023Observed: 5.27 ft at 8:45AM Nov 28, 2023Observed: 5.27 ft at 9:00AM Nov 28, 2023Observed: 5.27 ft at 9:15AM Nov 28, 2023Observed: 5.27 ft at 9:30AM Nov 28, 2023Observed: 5.28 ft at 9:45AM Nov 28, 2023Observed: 5.28 ft at 10:00AM Nov 28, 2023Observed: 5.29 ft at 10:15AM Nov 28, 2023Observed: 5.29 ft at 10:30AM Nov 28, 2023Observed: 5.3 ft at 10:45AM Nov 28, 2023Observed: 5.31 ft at 11:00AM Nov 28, 2023Observed: 5.32 ft at 11:15AM Nov 28, 2023Observed: 5.32 ft at 11:30AM Nov 28, 2023Observed: 5.34 ft at 11:45AM Nov 28, 2023Observed: 5.34 ft at 12:00PM Nov 28, 2023Observed: 5.34 ft at 12:15PM Nov 28, 2023Observed: 5.35 ft at 12:30PM Nov 28, 2023Observed: 5.36 ft at 12:45PM Nov 28, 2023Observed: 5.36 ft at 1:00PM Nov 28, 2023Observed: 5.36 ft at 1:15PM Nov 28, 2023Observed: 5.37 ft at 1:30PM Nov 28, 2023Observed: 5.37 ft at 1:45PM Nov 28, 2023Observed: 5.38 ft at 2:00PM Nov 28, 2023Observed: 5.37 ft at 2:15PM Nov 28, 2023Observed: 5.38 ft at 2:30PM Nov 28, 2023Observed: 5.39 ft at 2:45PM Nov 28, 2023Observed: 5.38 ft at 3:00PM Nov 28, 2023Observed: 5.39 ft at 3:15PM Nov 28, 2023Observed: 5.39 ft at 3:30PM Nov 28, 2023Observed: 5.39 ft at 3:45PM Nov 28, 2023Observed: 5.39 ft at 4:00PM Nov 28, 2023Observed: 5.38 ft at 4:15PM Nov 28, 2023Observed: 5.39 ft at 4:30PM Nov 28, 2023Observed: 5.38 ft at 4:45PM Nov 28, 2023Observed: 5.38 ft at 5:00PM Nov 28, 2023Observed: 5.38 ft at 5:15PM Nov 28, 2023Observed: 5.37 ft at 5:30PM Nov 28, 2023Observed: 5.37 ft at 5:45PM Nov 28, 2023Observed: 5.37 ft at 6:00PM Nov 28, 2023Observed: 5.36 ft at 6:15PM Nov 28, 2023Observed: 5.36 ft at 6:30PM Nov 28, 2023Observed: 5.35 ft at 6:45PM Nov 28, 2023Observed: 5.35 ft at 7:00PM Nov 28, 2023Observed: 5.35 ft at 7:15PM Nov 28, 2023Observed: 5.34 ft at 7:30PM Nov 28, 2023Observed: 5.33 ft at 7:45PM Nov 28, 2023Observed: 5.34 ft at 8:00PM Nov 28, 2023Observed: 5.34 ft at 8:15PM Nov 28, 2023Observed: 5.33 ft at 8:30PM Nov 28, 2023Observed: 5.33 ft at 8:45PM Nov 28, 2023Observed: 5.32 ft at 9:00PM Nov 28, 2023Observed: 5.33 ft at 9:15PM Nov 28, 2023Observed: 5.33 ft at 9:30PM Nov 28, 2023Observed: 5.33 ft at 9:45PM Nov 28, 2023Observed: 5.33 ft at 10:00PM Nov 28, 2023Observed: 5.33 ft at 10:15PM Nov 28, 2023Observed: 5.33 ft at 10:30PM Nov 28, 2023Observed: 5.32 ft at 10:45PM Nov 28, 2023Observed: 5.33 ft at 11:00PM Nov 28, 2023Observed: 5.32 ft at 11:15PM Nov 28, 2023Observed: 5.32 ft at 11:30PM Nov 28, 2023Observed: 5.33 ft at 11:45PM Nov 28, 2023Observed: 5.33 ft at 12:00AM Nov 29, 2023Observed: 5.33 ft at 12:15AM Nov 29, 2023Observed: 5.32 ft at 12:30AM Nov 29, 2023Observed: 5.33 ft at 12:45AM Nov 29, 2023Observed: 5.32 ft at 1:00AM Nov 29, 2023Observed: 5.33 ft at 1:15AM Nov 29, 2023Observed: 5.33 ft at 1:30AM Nov 29, 2023Observed: 5.32 ft at 1:45AM Nov 29, 2023Observed: 5.33 ft at 2:00AM Nov 29, 2023Observed: 5.32 ft at 2:15AM Nov 29, 2023Observed: 5.33 ft at 2:30AM Nov 29, 2023Observed: 5.33 ft at 2:45AM Nov 29, 2023Observed: 5.33 ft at 3:00AM Nov 29, 2023Observed: 5.33 ft at 3:15AM Nov 29, 2023Observed: 5.33 ft at 3:30AM Nov 29, 2023Observed: 5.33 ft at 3:45AM Nov 29, 2023Observed: 5.33 ft at 4:00AM Nov 29, 2023Observed: 5.33 ft at 4:15AM Nov 29, 2023Observed: 5.33 ft at 4:30AM Nov 29, 2023Observed: 5.33 ft at 4:45AM Nov 29, 2023Observed: 5.34 ft at 5:00AM Nov 29, 2023Observed: 5.33 ft at 5:15AM Nov 29, 2023Observed: 5.34 ft at 5:30AM Nov 29, 2023Observed: 5.34 ft at 5:45AM Nov 29, 2023Observed: 5.34 ft at 6:00AM Nov 29, 2023Observed: 5.34 ft at 6:15AM Nov 29, 2023Observed: 5.34 ft at 6:30AM Nov 29, 2023Observed: 5.35 ft at 6:45AM Nov 29, 2023Observed: 5.35 ft at 7:00AM Nov 29, 2023Observed: 5.35 ft at 7:15AM Nov 29, 2023Observed: 5.36 ft at 7:30AM Nov 29, 2023Observed: 5.35 ft at 7:45AM Nov 29, 2023Observed: 5.35 ft at 8:00AM Nov 29, 2023Observed: 5.36 ft at 8:15AM Nov 29, 2023Observed: 5.36 ft at 8:30AM Nov 29, 2023Observed: 5.36 ft at 8:45AM Nov 29, 2023Observed: 5.36 ft at 9:00AM Nov 29, 2023Observed: 5.36 ft at 9:15AM Nov 29, 2023Observed: 5.36 ft at 9:30AM Nov 29, 2023Observed: 5.36 ft at 9:45AM Nov 29, 2023Observed: 5.36 ft at 10:00AM Nov 29, 2023Observed: 5.37 ft at 10:15AM Nov 29, 2023Observed: 5.37 ft at 10:30AM Nov 29, 2023Observed: 5.38 ft at 10:45AM Nov 29, 2023Observed: 5.38 ft at 11:00AM Nov 29, 2023Observed: 5.39 ft at 11:15AM Nov 29, 2023Observed: 5.38 ft at 11:30AM Nov 29, 2023Observed: 5.39 ft at 11:45AM Nov 29, 2023Observed: 5.39 ft at 12:00PM Nov 29, 2023Observed: 5.4 ft at 12:15PM Nov 29, 2023Observed: 5.4 ft at 12:30PM Nov 29, 2023Observed: 5.4 ft at 12:45PM Nov 29, 2023Observed: 5.4 ft at 1:00PM Nov 29, 2023USACE--Rivergages.comSTBI4(plotting HGIRV) Graph Created (2:03PM Nov 29, 2023)ObservedLatest observed value: 5.4 ft at 1:00 PM CST 29-Nov-2023. Flood Stage is 11 ft
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Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts are not available for the Iowa River at Steamboat Rock. Only observed stages are available for this point.

More information on datums is available at www.ngs.noaa.gov/faq.shtml

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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) 14.83 ft on 05/20/1991
(7) 14.02 ft on 06/20/1984
(8) 13.94 ft on 05/30/2013
(9) 13.75 ft on 06/26/2010
(10) 13.46 ft on 06/23/2014
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 0.00 ft on 05/06/2022
(2) 6.30 ft on 09/07/2021
(3) 7.36 ft on 01/23/2017
(4) 7.74 ft on 12/12/2016
(5) 16.09 ft on 01/02/2016
(6) 7.96 ft on 08/29/2015
(7) 13.46 ft on 06/23/2014
(8) 13.94 ft on 05/30/2013
(9) 6.59 ft on 05/04/2012
(10) 8.33 ft on 06/22/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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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: 42.408111° N, Longitude: 93.072972° 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 950.69 ft 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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