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Hydrograph River at a Glance Download
Iowa River at Marshalltown Stage (ft)Flow (cfs)Observed: 9.43 ft at 11:30AM Jan 28, 2023Observed: 9.44 ft at 11:45AM Jan 28, 2023Observed: 9.44 ft at 12:00PM Jan 28, 2023Observed: 9.44 ft at 12:15PM Jan 28, 2023Observed: 9.45 ft at 12:30PM Jan 28, 2023Observed: 9.47 ft at 12:45PM Jan 28, 2023Observed: 9.46 ft at 1:00PM Jan 28, 2023Observed: 9.46 ft at 1:15PM Jan 28, 2023Observed: 9.46 ft at 1:30PM Jan 28, 2023Observed: 9.46 ft at 1:45PM Jan 28, 2023Observed: 10.16 ft at 2:00PM Jan 28, 2023Observed: 9.7 ft at 2:15PM Jan 28, 2023Observed: 9.45 ft at 2:30PM Jan 28, 2023Observed: 9.42 ft at 2:45PM Jan 28, 2023Observed: 9.41 ft at 3:00PM Jan 28, 2023Observed: 9.39 ft at 3:15PM Jan 28, 2023Observed: 9.37 ft at 3:30PM Jan 28, 2023Observed: 9.44 ft at 3:45PM Jan 28, 2023Observed: 10.11 ft at 4:00PM Jan 28, 2023Observed: 9.66 ft at 4:15PM Jan 28, 2023Observed: 9.33 ft at 4:30PM Jan 28, 2023Observed: 9.3 ft at 4:45PM Jan 28, 2023Observed: 9.29 ft at 5:00PM Jan 28, 2023Observed: 9.28 ft at 5:15PM Jan 28, 2023Observed: 10.14 ft at 5:30PM Jan 28, 2023Highest Observation: 10.46 ft at 5:45PM Jan 28, 2023Observed: 9.23 ft at 6:00PM Jan 28, 2023Observed: 9.22 ft at 6:15PM Jan 28, 2023Observed: 9.25 ft at 6:30PM Jan 28, 2023Observed: 9.23 ft at 6:45PM Jan 28, 2023Observed: 10.39 ft at 7:00PM Jan 28, 2023Observed: 9.22 ft at 7:15PM Jan 28, 2023Observed: 9.24 ft at 7:30PM Jan 28, 2023Observed: 10.21 ft at 7:45PM Jan 28, 2023Observed: 9.29 ft at 8:00PM Jan 28, 2023Observed: 9.58 ft at 8:15PM Jan 28, 2023Observed: 10.34 ft at 8:30PM Jan 28, 2023Observed: 10.18 ft at 8:45PM Jan 28, 2023Observed: 10.05 ft at 9:00PM Jan 28, 2023Observed: 9.36 ft at 9:15PM Jan 28, 2023Observed: 10.26 ft at 9:30PM Jan 28, 2023Observed: 10.21 ft at 9:45PM Jan 28, 2023Observed: 9.99 ft at 10:00PM Jan 28, 2023Observed: 9.32 ft at 10:15PM Jan 28, 2023Observed: 10.29 ft at 10:30PM Jan 28, 2023Observed: 9.41 ft at 10:45PM Jan 28, 2023Observed: 9.26 ft at 11:00PM Jan 28, 2023Observed: 9.21 ft at 11:15PM Jan 28, 2023Observed: 9.34 ft at 11:30PM Jan 28, 2023Observed: 10.39 ft at 11:45PM Jan 28, 2023Observed: 10.35 ft at 12:00AM Jan 29, 2023Observed: 10.37 ft at 12:15AM Jan 29, 2023Observed: 9.35 ft at 12:30AM Jan 29, 2023Observed: 9.33 ft at 12:45AM Jan 29, 2023Observed: 9.34 ft at 1:00AM Jan 29, 2023Observed: 9.34 ft at 1:15AM Jan 29, 2023Observed: 9.35 ft at 1:30AM Jan 29, 2023Observed: 9.3 ft at 1:45AM Jan 29, 2023Observed: 9.31 ft at 2:00AM Jan 29, 2023Observed: 9.28 ft at 2:15AM Jan 29, 2023Observed: 9.28 ft at 2:30AM Jan 29, 2023Observed: 9.28 ft at 2:45AM Jan 29, 2023Observed: 9.32 ft at 3:00AM Jan 29, 2023Observed: 9.37 ft at 3:15AM Jan 29, 2023Observed: 9.6 ft at 3:30AM Jan 29, 2023Observed: 9.3 ft at 3:45AM Jan 29, 2023Observed: 10.19 ft at 4:00AM Jan 29, 2023Observed: 10.2 ft at 4:15AM Jan 29, 2023Observed: 10.23 ft at 4:30AM Jan 29, 2023Observed: 10.25 ft at 4:45AM Jan 29, 2023Observed: 10.25 ft at 5:00AM Jan 29, 2023Observed: 10.18 ft at 5:15AM Jan 29, 2023Observed: 10.15 ft at 5:30AM Jan 29, 2023Observed: 10.16 ft at 5:45AM Jan 29, 2023Observed: 9.85 ft at 6:00AM Jan 29, 2023Observed: 9.22 ft at 6:15AM Jan 29, 2023Observed: 9.22 ft at 6:30AM Jan 29, 2023Observed: 9.22 ft at 6:45AM Jan 29, 2023Observed: 9.23 ft at 7:00AM Jan 29, 2023Observed: 9.23 ft at 7:15AM Jan 29, 2023Observed: 9.23 ft at 7:30AM Jan 29, 2023Observed: 9.24 ft at 7:45AM Jan 29, 2023Observed: 9.24 ft at 8:00AM Jan 29, 2023Observed: 9.24 ft at 8:15AM Jan 29, 2023Observed: 9.25 ft at 8:30AM Jan 29, 2023Observed: 9.25 ft at 8:45AM Jan 29, 2023Observed: 9.26 ft at 9:00AM Jan 29, 2023Observed: 9.27 ft at 9:15AM Jan 29, 2023Observed: 9.27 ft at 9:30AM Jan 29, 2023Observed: 9.27 ft at 9:45AM Jan 29, 2023Observed: 9.28 ft at 10:00AM Jan 29, 2023Observed: 9.29 ft at 10:15AM Jan 29, 2023Observed: 9.3 ft at 10:30AM Jan 29, 2023Observed: 9.3 ft at 10:45AM Jan 29, 2023Observed: 9.31 ft at 11:00AM Jan 29, 2023Observed: 9.31 ft at 11:15AM Jan 29, 2023Observed: 9.31 ft at 11:30AM Jan 29, 2023Observed: 9.3 ft at 11:45AM Jan 29, 2023Observed: 9.29 ft at 12:00PM Jan 29, 2023Observed: 9.28 ft at 12:15PM Jan 29, 2023Observed: 9.28 ft at 12:30PM Jan 29, 2023Observed: 9.27 ft at 12:45PM Jan 29, 2023Observed: 9.27 ft at 1:00PM Jan 29, 2023Observed: 9.26 ft at 1:15PM Jan 29, 2023Observed: 9.26 ft at 1:30PM Jan 29, 2023Observed: 9.25 ft at 1:45PM Jan 29, 2023Observed: 9.25 ft at 2:00PM Jan 29, 2023Observed: 9.24 ft at 2:15PM Jan 29, 2023Observed: 9.23 ft at 2:30PM Jan 29, 2023Observed: 9.23 ft at 2:45PM Jan 29, 2023Observed: 9.22 ft at 3:00PM Jan 29, 2023Observed: 9.21 ft at 3:15PM Jan 29, 2023Observed: 9.2 ft at 3:30PM Jan 29, 2023Observed: 9.19 ft at 3:45PM Jan 29, 2023Observed: 9.18 ft at 4:00PM Jan 29, 2023Observed: 9.17 ft at 4:15PM Jan 29, 2023Observed: 9.17 ft at 4:30PM Jan 29, 2023Observed: 9.16 ft at 4:45PM Jan 29, 2023Observed: 9.15 ft at 5:00PM Jan 29, 2023Observed: 9.15 ft at 5:15PM Jan 29, 2023Observed: 9.15 ft at 5:30PM Jan 29, 2023Observed: 9.14 ft at 5:45PM Jan 29, 2023Observed: 9.13 ft at 6:00PM Jan 29, 2023Observed: 9.13 ft at 6:15PM Jan 29, 2023Observed: 9.13 ft at 6:30PM Jan 29, 2023Observed: 9.13 ft at 6:45PM Jan 29, 2023Observed: 9.14 ft at 7:00PM Jan 29, 2023Observed: 9.13 ft at 7:15PM Jan 29, 2023Observed: 9.14 ft at 7:30PM Jan 29, 2023Observed: 9.15 ft at 7:45PM Jan 29, 2023Observed: 9.16 ft at 8:00PM Jan 29, 2023Observed: 9.17 ft at 8:15PM Jan 29, 2023Observed: 9.17 ft at 8:30PM Jan 29, 2023Observed: 9.19 ft at 8:45PM Jan 29, 2023Observed: 9.19 ft at 9:00PM Jan 29, 2023Observed: 9.21 ft at 9:15PM Jan 29, 2023Observed: 9.21 ft at 9:30PM Jan 29, 2023Observed: 9.21 ft at 9:45PM Jan 29, 2023Observed: 9.2 ft at 10:00PM Jan 29, 2023Observed: 9.21 ft at 10:15PM Jan 29, 2023Observed: 9.2 ft at 10:30PM Jan 29, 2023Observed: 9.2 ft at 10:45PM Jan 29, 2023Observed: 9.19 ft at 11:00PM Jan 29, 2023Observed: 9.19 ft at 11:15PM Jan 29, 2023Observed: 9.18 ft at 11:30PM Jan 29, 2023Observed: 9.18 ft at 11:45PM Jan 29, 2023Observed: 9.19 ft at 12:00AM Jan 30, 2023Observed: 9.75 ft at 12:15AM Jan 30, 2023Observed: 10.11 ft at 12:30AM Jan 30, 2023Observed: 10.12 ft at 12:45AM Jan 30, 2023Observed: 10.14 ft at 1:00AM Jan 30, 2023Observed: 10.15 ft at 1:15AM Jan 30, 2023Observed: 10.16 ft at 1:30AM Jan 30, 2023Observed: 10.16 ft at 1:45AM Jan 30, 2023Observed: 10.15 ft at 2:00AM Jan 30, 2023Observed: 10.13 ft at 2:15AM Jan 30, 2023Observed: 10.1 ft at 2:30AM Jan 30, 2023Observed: 10.05 ft at 2:45AM Jan 30, 2023Observed: 10.03 ft at 3:00AM Jan 30, 2023Observed: 9.81 ft at 3:15AM Jan 30, 2023Observed: 9.22 ft at 3:30AM Jan 30, 2023Observed: 9.23 ft at 3:45AM Jan 30, 2023Observed: 9.24 ft at 4:00AM Jan 30, 2023Observed: 9.25 ft at 4:15AM Jan 30, 2023Observed: 9.25 ft at 4:30AM Jan 30, 2023Observed: 9.26 ft at 4:45AM Jan 30, 2023Observed: 9.27 ft at 5:00AM Jan 30, 2023Observed: 9.27 ft at 5:15AM Jan 30, 2023Observed: 9.26 ft at 5:30AM Jan 30, 2023Observed: 9.24 ft at 5:45AM Jan 30, 2023Observed: 9.23 ft at 6:00AM Jan 30, 2023Observed: 9.22 ft at 6:15AM Jan 30, 2023Observed: 9.2 ft at 6:30AM Jan 30, 2023Observed: 9.18 ft at 6:45AM Jan 30, 2023Observed: 9.16 ft at 7:00AM Jan 30, 2023Observed: 9.14 ft at 7:15AM Jan 30, 2023Observed: 9.37 ft at 7:30AM Jan 30, 2023Observed: 10.13 ft at 7:45AM Jan 30, 2023Observed: 9.69 ft at 8:00AM Jan 30, 2023Observed: 9.17 ft at 8:15AM Jan 30, 2023Observed: 9.1 ft at 8:30AM Jan 30, 2023Observed: 9.09 ft at 8:45AM Jan 30, 2023Observed: 9.08 ft at 9:00AM Jan 30, 2023Observed: 9.08 ft at 9:15AM Jan 30, 2023Observed: 9.08 ft at 9:30AM Jan 30, 2023Observed: 9.08 ft at 9:45AM Jan 30, 2023Observed: 9.08 ft at 10:00AM Jan 30, 2023Observed: 9.08 ft at 10:15AM Jan 30, 2023Observed: 9.09 ft at 10:30AM Jan 30, 2023Observed: 9.09 ft at 10:45AM Jan 30, 2023Observed: 9.09 ft at 11:00AM Jan 30, 2023Observed: 9.1 ft at 11:15AM Jan 30, 2023Observed: 9.1 ft at 11:30AM Jan 30, 2023Observed: 9.11 ft at 11:45AM Jan 30, 2023Observed: 9.11 ft at 12:00PM Jan 30, 2023Observed: 9.12 ft at 12:15PM Jan 30, 2023Observed: 9.12 ft at 12:30PM Jan 30, 2023Observed: 9.13 ft at 12:45PM Jan 30, 2023Observed: 9.14 ft at 1:00PM Jan 30, 2023Observed: 9.14 ft at 1:15PM Jan 30, 2023Observed: 9.14 ft at 1:30PM Jan 30, 2023Observed: 9.14 ft at 1:45PM Jan 30, 2023Observed: 9.14 ft at 2:00PM Jan 30, 2023Observed: 9.14 ft at 2:15PM Jan 30, 2023Observed: 9.14 ft at 2:30PM Jan 30, 2023Observed: 9.14 ft at 2:45PM Jan 30, 2023Observed: 9.13 ft at 3:00PM Jan 30, 2023Observed: 9.13 ft at 3:15PM Jan 30, 2023Observed: 9.13 ft at 3:30PM Jan 30, 2023Observed: 9.13 ft at 3:45PM Jan 30, 2023Observed: 9.13 ft at 4:00PM Jan 30, 2023Observed: 9.13 ft at 4:15PM Jan 30, 2023Observed: 9.13 ft at 4:30PM Jan 30, 2023Observed: 9.14 ft at 4:45PM Jan 30, 2023Observed: 9.14 ft at 5:00PM Jan 30, 2023Observed: 9.14 ft at 5:15PM Jan 30, 2023Observed: 9.14 ft at 5:30PM Jan 30, 2023Observed: 9.14 ft at 5:45PM Jan 30, 2023Observed: 9.14 ft at 6:00PM Jan 30, 2023Observed: 9.14 ft at 6:15PM Jan 30, 2023Observed: 9.13 ft at 6:30PM Jan 30, 2023Observed: 9.13 ft at 6:45PM Jan 30, 2023Observed: 9.13 ft at 7:00PM Jan 30, 2023Observed: 9.13 ft at 7:15PM Jan 30, 2023Observed: 9.13 ft at 7:30PM Jan 30, 2023Observed: 9.13 ft at 7:45PM Jan 30, 2023Observed: 9.13 ft at 8:00PM Jan 30, 2023Observed: 9.14 ft at 8:15PM Jan 30, 2023Observed: 9.14 ft at 8:30PM Jan 30, 2023Observed: 9.14 ft at 8:45PM Jan 30, 2023Observed: 9.15 ft at 9:00PM Jan 30, 2023Observed: 9.15 ft at 9:15PM Jan 30, 2023Observed: 9.16 ft at 9:30PM Jan 30, 2023Observed: 9.17 ft at 9:45PM Jan 30, 2023Observed: 9.49 ft at 10:00PM Jan 30, 2023Observed: 9.22 ft at 10:15PM Jan 30, 2023Observed: 9.39 ft at 10:30PM Jan 30, 2023Observed: 9.59 ft at 10:45PM Jan 30, 2023Observed: 9.92 ft at 11:00PM Jan 30, 2023Observed: 10.11 ft at 11:15PM Jan 30, 2023Observed: 10.15 ft at 11:30PM Jan 30, 2023Observed: 10.18 ft at 11:45PM Jan 30, 2023Observed: 10.19 ft at 12:00AM Jan 31, 2023Observed: 10.21 ft at 12:15AM Jan 31, 2023Observed: 10.22 ft at 12:30AM Jan 31, 2023Observed: 10.23 ft at 12:45AM Jan 31, 2023Observed: 10.25 ft at 1:00AM Jan 31, 2023Observed: 10.25 ft at 1:15AM Jan 31, 2023Observed: 10.26 ft at 1:30AM Jan 31, 2023Observed: 10.27 ft at 1:45AM Jan 31, 2023Observed: 10.27 ft at 2:00AM Jan 31, 2023Observed: 10.26 ft at 2:15AM Jan 31, 2023Observed: 10.24 ft at 2:30AM Jan 31, 2023Observed: 10.23 ft at 2:45AM Jan 31, 2023Observed: 10.19 ft at 3:00AM Jan 31, 2023Observed: 10.17 ft at 3:15AM Jan 31, 2023Observed: 10.15 ft at 3:30AM Jan 31, 2023Observed: 10.14 ft at 3:45AM Jan 31, 2023Observed: 10.12 ft at 4:00AM Jan 31, 2023Observed: 10.09 ft at 4:15AM Jan 31, 2023Observed: 10.12 ft at 4:30AM Jan 31, 2023Observed: 10.13 ft at 4:45AM Jan 31, 2023Observed: 10.15 ft at 5:00AM Jan 31, 2023Observed: 10.2 ft at 5:15AM Jan 31, 2023Observed: 10.22 ft at 5:30AM Jan 31, 2023Observed: 10.23 ft at 5:45AM Jan 31, 2023Observed: 10.24 ft at 6:00AM Jan 31, 2023Observed: 10.25 ft at 6:15AM Jan 31, 2023Observed: 10.26 ft at 6:30AM Jan 31, 2023Observed: 10.27 ft at 6:45AM Jan 31, 2023Observed: 10.26 ft at 7:00AM Jan 31, 2023Observed: 10.26 ft at 7:15AM Jan 31, 2023Observed: 10.25 ft at 7:30AM Jan 31, 2023Observed: 10.25 ft at 7:45AM Jan 31, 2023Observed: 10.23 ft at 8:00AM Jan 31, 2023Observed: 10.24 ft at 8:15AM Jan 31, 2023Observed: 10.24 ft at 8:30AM Jan 31, 2023Observed: 10.24 ft at 8:45AM Jan 31, 2023Observed: 10.25 ft at 9:00AM Jan 31, 2023Observed: 10.25 ft at 9:15AM Jan 31, 2023Observed: 10.26 ft at 9:30AM Jan 31, 2023Observed: 9.05 ft at 9:45AM Jan 31, 2023Observed: 9.05 ft at 10:00AM Jan 31, 2023Observed: 9.06 ft at 10:15AM Jan 31, 2023Observed: 9.06 ft at 10:30AM Jan 31, 2023Observed: 9.06 ft at 10:45AM Jan 31, 2023Observed: 9.07 ft at 11:00AM Jan 31, 2023Observed: 9.08 ft at 11:15AM Jan 31, 2023Observed: 9.09 ft at 11:30AM Jan 31, 2023Observed: 9.09 ft at 11:45AM Jan 31, 2023Observed: 9.1 ft at 12:00PM Jan 31, 2023Observed: 9.1 ft at 12:15PM Jan 31, 2023Observed: 9.1 ft at 12:30PM Jan 31, 2023Observed: 9.11 ft at 12:45PM Jan 31, 2023Observed: 9.11 ft at 1:00PM Jan 31, 2023Observed: 9.42 ft at 1:15PM Jan 31, 2023Observed: 9.38 ft at 1:30PM Jan 31, 2023Observed: 9.1 ft at 1:45PM Jan 31, 2023Observed: 10.26 ft at 2:00PM Jan 31, 2023Observed: 10.25 ft at 2:15PM Jan 31, 2023Observed: 10.22 ft at 2:30PM Jan 31, 2023Observed: 10.2 ft at 2:45PM Jan 31, 2023Observed: 10.17 ft at 3:00PM Jan 31, 2023Observed: 10.15 ft at 3:15PM Jan 31, 2023Observed: 9.53 ft at 3:30PM Jan 31, 2023Observed: 10.09 ft at 3:45PM Jan 31, 2023Observed: 10.06 ft at 4:00PM Jan 31, 2023Observed: 10.05 ft at 4:15PM Jan 31, 2023Observed: 10.04 ft at 4:30PM Jan 31, 2023Observed: 9.63 ft at 4:45PM Jan 31, 2023Observed: 9.15 ft at 5:00PM Jan 31, 2023Observed: 9.21 ft at 5:15PM Jan 31, 2023Observed: 9.15 ft at 5:30PM Jan 31, 2023Observed: 9.38 ft at 5:45PM Jan 31, 2023Observed: 9.4 ft at 6:00PM Jan 31, 2023Observed: 9.97 ft at 6:15PM Jan 31, 2023Observed: 9.97 ft at 6:30PM Jan 31, 2023Observed: 9.98 ft at 6:45PM Jan 31, 2023Observed: 9.98 ft at 7:00PM Jan 31, 2023Observed: 9.98 ft at 7:15PM Jan 31, 2023Observed: 9.98 ft at 7:30PM Jan 31, 2023Observed: 9.99 ft at 7:45PM Jan 31, 2023Observed: 9.98 ft at 8:00PM Jan 31, 2023Observed: 9.99 ft at 8:15PM Jan 31, 2023Observed: 9.99 ft at 8:30PM Jan 31, 2023Observed: 9.99 ft at 8:45PM Jan 31, 2023Observed: 10.02 ft at 9:00PM Jan 31, 2023Observed: 10.04 ft at 9:15PM Jan 31, 2023Observed: 10.06 ft at 9:30PM Jan 31, 2023Observed: 10.07 ft at 9:45PM Jan 31, 2023Observed: 10.08 ft at 10:00PM Jan 31, 2023Observed: 10.07 ft at 10:15PM Jan 31, 2023Observed: 10.04 ft at 10:30PM Jan 31, 2023Observed: 10.02 ft at 10:45PM Jan 31, 2023Observed: 9.96 ft at 11:00PM Jan 31, 2023Observed: 9.79 ft at 11:15PM Jan 31, 2023Observed: 8.98 ft at 11:30PM Jan 31, 2023Observed: 8.99 ft at 11:45PM Jan 31, 2023Observed: 9 ft at 12:00AM Feb 01, 2023Observed: 9 ft at 12:15AM Feb 01, 2023Observed: 9.01 ft at 12:30AM Feb 01, 2023Observed: 9.03 ft at 12:45AM Feb 01, 2023Observed: 9.04 ft at 1:00AM Feb 01, 2023Observed: 9.06 ft at 1:15AM Feb 01, 2023Observed: 9.07 ft at 1:30AM Feb 01, 2023Observed: 9.08 ft at 1:45AM Feb 01, 2023Observed: 9.09 ft at 2:00AM Feb 01, 2023Observed: 9.09 ft at 2:15AM Feb 01, 2023Observed: 9.09 ft at 2:30AM Feb 01, 2023Observed: 9.09 ft at 2:45AM Feb 01, 2023Observed: 9.56 ft at 3:00AM Feb 01, 2023Observed: 9.97 ft at 3:15AM Feb 01, 2023Observed: 10 ft at 3:30AM Feb 01, 2023Observed: 10.02 ft at 3:45AM Feb 01, 2023Observed: 10.04 ft at 4:00AM Feb 01, 2023Observed: 10.04 ft at 4:15AM Feb 01, 2023Observed: 10.04 ft at 4:30AM Feb 01, 2023Observed: 10.03 ft at 4:45AM Feb 01, 2023Observed: 10.01 ft at 5:00AM Feb 01, 2023Observed: 9.99 ft at 5:15AM Feb 01, 2023Observed: 9.97 ft at 5:30AM Feb 01, 2023Observed: 9.96 ft at 5:45AM Feb 01, 2023Observed: 9.96 ft at 6:00AM Feb 01, 2023Observed: 9.97 ft at 6:15AM Feb 01, 2023Observed: 9.96 ft at 6:30AM Feb 01, 2023Observed: 9.97 ft at 6:45AM Feb 01, 2023Observed: 9.99 ft at 7:00AM Feb 01, 2023Observed: 10 ft at 7:15AM Feb 01, 2023Observed: 10.02 ft at 7:30AM Feb 01, 2023Observed: 10.03 ft at 7:45AM Feb 01, 2023Observed: 10.04 ft at 8:00AM Feb 01, 2023Observed: 10.05 ft at 8:15AM Feb 01, 2023Observed: 10.06 ft at 8:30AM Feb 01, 2023Observed: 10.05 ft at 8:45AM Feb 01, 2023Observed: 10.05 ft at 9:00AM Feb 01, 2023Observed: 10.04 ft at 9:15AM Feb 01, 2023Observed: 10 ft at 9:30AM Feb 01, 2023Observed: 9.28 ft at 9:45AM Feb 01, 2023Observed: 8.54 ft at 10:00AM Feb 01, 2023Observed: 8.52 ft at 10:15AM Feb 01, 2023Observed: 8.5 ft at 10:30AM Feb 01, 2023Observed: 8.49 ft at 10:45AM Feb 01, 2023Observed: 8.5 ft at 11:00AM Feb 01, 2023Observed: 8.5 ft at 11:15AM Feb 01, 2023Observed: 8.51 ft at 11:30AM Feb 01, 2023Observed: 8.53 ft at 11:45AM Feb 01, 2023Observed: 8.55 ft at 12:00PM Feb 01, 2023Observed: 8.55 ft at 12:15PM Feb 01, 2023Observed: 8.58 ft at 12:30PM Feb 01, 2023Observed: 8.62 ft at 12:45PM Feb 01, 2023Observed: 8.64 ft at 1:00PM Feb 01, 2023Observed: 8.66 ft at 1:15PM Feb 01, 2023Observed: 8.68 ft at 1:30PM Feb 01, 2023Observed: 8.69 ft at 1:45PM Feb 01, 2023Observed: 8.71 ft at 2:00PM Feb 01, 2023Observed: 8.72 ft at 2:15PM Feb 01, 2023Observed: 8.73 ft at 2:30PM Feb 01, 2023Observed: 8.73 ft at 2:45PM Feb 01, 2023Observed: 8.74 ft at 3:00PM Feb 01, 2023Observed: 8.74 ft at 3:15PM Feb 01, 2023Observed: 8.75 ft at 3:30PM Feb 01, 2023Observed: 8.75 ft at 3:45PM Feb 01, 2023Observed: 8.74 ft at 4:00PM Feb 01, 2023Observed: 8.75 ft at 4:15PM Feb 01, 2023Observed: 8.75 ft at 4:30PM Feb 01, 2023Observed: 8.75 ft at 4:45PM Feb 01, 2023Observed: 8.74 ft at 5:00PM Feb 01, 2023Observed: 8.74 ft at 5:15PM Feb 01, 2023Observed: 8.74 ft at 5:30PM Feb 01, 2023Observed: 8.74 ft at 5:45PM Feb 01, 2023Observed: 8.74 ft at 6:00PM Feb 01, 2023Observed: 8.76 ft at 6:15PM Feb 01, 2023Observed: 8.74 ft at 6:30PM Feb 01, 2023Observed: 9.08 ft at 6:45PM Feb 01, 2023Observed: 9.69 ft at 7:00PM Feb 01, 2023Observed: 9.84 ft at 7:15PM Feb 01, 2023Observed: 9.86 ft at 7:30PM Feb 01, 2023Observed: 9.88 ft at 7:45PM Feb 01, 2023Observed: 9.91 ft at 8:00PM Feb 01, 2023Observed: 9.93 ft at 8:15PM Feb 01, 2023Observed: 9.94 ft at 8:30PM Feb 01, 2023Observed: 9.95 ft at 8:45PM Feb 01, 2023Observed: 9.97 ft at 9:00PM Feb 01, 2023Observed: 9.98 ft at 9:15PM Feb 01, 2023Observed: 9.98 ft at 9:30PM Feb 01, 2023Observed: 9.99 ft at 9:45PM Feb 01, 2023Observed: 9.99 ft at 10:00PM Feb 01, 2023Observed: 10 ft at 10:15PM Feb 01, 2023Observed: 10 ft at 10:30PM Feb 01, 2023Observed: 9.99 ft at 10:45PM Feb 01, 2023Observed: 9.99 ft at 11:00PM Feb 01, 2023Observed: 9.99 ft at 11:15PM Feb 01, 2023Observed: 9.98 ft at 11:30PM Feb 01, 2023Observed: 9.98 ft at 11:45PM Feb 01, 2023Observed: 9.97 ft at 12:00AM Feb 02, 2023Observed: 9.96 ft at 12:15AM Feb 02, 2023Observed: 9.95 ft at 12:30AM Feb 02, 2023Observed: 9.95 ft at 12:45AM Feb 02, 2023Observed: 9.94 ft at 1:00AM Feb 02, 2023Observed: 9.95 ft at 1:15AM Feb 02, 2023Observed: 9.94 ft at 1:30AM Feb 02, 2023Observed: 9.94 ft at 1:45AM Feb 02, 2023Observed: 9.94 ft at 2:00AM Feb 02, 2023Observed: 9.94 ft at 2:15AM Feb 02, 2023Observed: 9.94 ft at 2:30AM Feb 02, 2023Observed: 9.94 ft at 2:45AM Feb 02, 2023Observed: 9.95 ft at 3:00AM Feb 02, 2023Observed: 9.95 ft at 3:15AM Feb 02, 2023Observed: 9.96 ft at 3:30AM Feb 02, 2023Observed: 9.96 ft at 3:45AM Feb 02, 2023Observed: 9.96 ft at 4:00AM Feb 02, 2023Observed: 9.97 ft at 4:15AM Feb 02, 2023Observed: 9.97 ft at 4:30AM Feb 02, 2023Observed: 9.97 ft at 4:45AM Feb 02, 2023Observed: 9.97 ft at 5:00AM Feb 02, 2023Observed: 9.98 ft at 5:15AM Feb 02, 2023Observed: 9.99 ft at 5:30AM Feb 02, 2023Observed: 9.99 ft at 5:45AM Feb 02, 2023Observed: 9.99 ft at 6:00AM Feb 02, 2023Observed: 10 ft at 6:15AM Feb 02, 2023Observed: 10 ft at 6:30AM Feb 02, 2023Observed: 10 ft at 6:45AM Feb 02, 2023Observed: 10.01 ft at 7:00AM Feb 02, 2023Observed: 10.01 ft at 7:15AM Feb 02, 2023Observed: 10.02 ft at 7:30AM Feb 02, 2023Observed: 10.02 ft at 7:45AM Feb 02, 2023Observed: 10.03 ft at 8:00AM Feb 02, 2023Observed: 10.03 ft at 8:15AM Feb 02, 2023Observed: 10.04 ft at 8:30AM Feb 02, 2023Observed: 10.03 ft at 8:45AM Feb 02, 2023Observed: 10.03 ft at 9:00AM Feb 02, 2023Observed: 10.02 ft at 9:15AM Feb 02, 2023Observed: 10.02 ft at 9:30AM Feb 02, 2023Observed: 10.03 ft at 9:45AM Feb 02, 2023Observed: 9.25 ft at 10:00AM Feb 02, 2023Observed: 8.68 ft at 10:15AM Feb 02, 2023Observed: 8.67 ft at 10:30AM Feb 02, 2023Observed: 8.67 ft at 10:45AM Feb 02, 2023Observed: 8.67 ft at 11:00AM Feb 02, 2023USGS--Water Resources of the United StatesMIWI4(plotting HGIRG) Graph Created (11:18AM Feb 2, 2023)ObservedLatest observed value: 8.67 ft at 11:00 AM CST 2-Feb-2023. Flood Stage is 19 ft
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Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Iowa River at Marshalltown are issued routinely during the warm season, and as needed at other times of the year.

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

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Tama Hwy E49
Flood Categories (in feet)
Major Flood Stage: 26
Moderate Flood Stage: 23
Flood Stage: 19
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 22.25 ft on 07/02/2014
(2) 22.08 ft on 05/30/2013
(3) 21.79 ft on 06/13/2008
(4) 20.77 ft on 08/17/1993
(5) 20.38 ft on 06/18/1990
(6) 20.38 ft on 12/15/2015
(7) 20.32 ft on 03/15/2019
(8) 20.13 ft on 06/24/2007
(9) 19.99 ft on 08/30/2015
(10) 19.97 ft on 06/05/1991
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.22 ft on 03/07/2021
(2) 0.00 ft on 03/06/2021
(3) 18.21 ft on 06/23/2020
(4) 20.32 ft on 03/15/2019
(5) 18.25 ft on 09/27/2018
(6) 17.63 ft on 10/01/2016
(7) 20.38 ft on 12/15/2015
(8) 19.99 ft on 08/30/2015
(9) 22.25 ft on 07/02/2014
(10) 22.08 ft on 05/30/2013
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:13
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Gauge LocationGauge Map Marker
Disclaimer
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
26 Water reaches the top of the earthen levee along the river at Iowa 14.
22 Water reaches the low beams of the Iowa 14 bridge.
21.5 Water affects several roads east of Marshalltown...including U.S. 30...East Main Street Road and Zeller Avenue.
21.4 Water covers both lanes of Iowa 14 north of Marshalltown.
21.2 Water covers several gravel roads north and northwest of Marshalltown...including Stanley Mill Road...North Center Street...Oaks Avenue and Prairie Avenue.
21 Iowa 330 south of Albion...near Timmons Grove Park...is closed. Most of Timmons Grove County Park floods.
20.5 In Albion...parts of Marsh Avenue...Stanley Mill Road and 160th Street flood. Iowa 330 is threatened near the Linn Creek overpass which is located west of Marshalltown about 2 miles northeast of the US 30 junction.
20 Water approaches the top of the concrete bridge piers of the Iowa 14 bridge.
19.5 The southbound lanes of Iowa 14 flood. Iowa 330 south of Albion floods.
19 Water affects Iowa 14 north of the river as well as Iowa 330 south of Albion.
18 Widespread agricultural and lowland flooding occur along Iowa 330 south of Albion.
17 Roads within Timmons Grove County Park are threatened as is the bicycle path along 18th Avenue in Marshalltown.
16.5 The underside of the primary concrete support span of Iowa 14 is affected.
16 The access road serving north portions of Timmons Grove County Park floods.
15 Water approaches the bridge crossing from the County Three Bridges Road east of Marshalltown. Water affects agricultural land.
14 There is lowland flooding north of town near Iowa 14.
About This Location Collapse

Latitude: 42.065821° N, Longitude: 92.907700° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 19 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 852.94 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:

Additional Information Collapse
  • USGS 7-Day Streamflow Duration Hydrograph for this location:
    Duration Hydrograph

    Duration Hydrograph Legend


  • USGS Cumulative Streamflow Hydrograph for this location:
    Duration Hydrograph of Cumulative Streamflow
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Hydrologic Resources Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
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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Page last modified: 2-Nov-2020 7:29 PM
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