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Hydrograph River at a Glance Download
Iowa River at Marshalltown Stage (ft)Flow (cfs)Observed: 9.14 ft at 12:45PM Jan 10, 2021Observed: 9.14 ft at 1:00PM Jan 10, 2021Observed: 9.14 ft at 1:15PM Jan 10, 2021Observed: 9.15 ft at 1:30PM Jan 10, 2021Observed: 9.15 ft at 1:45PM Jan 10, 2021Observed: 9.15 ft at 2:00PM Jan 10, 2021Observed: 9.16 ft at 2:15PM Jan 10, 2021Observed: 9.16 ft at 2:30PM Jan 10, 2021Observed: 9.16 ft at 2:45PM Jan 10, 2021Observed: 9.16 ft at 3:00PM Jan 10, 2021Observed: 9.16 ft at 3:15PM Jan 10, 2021Observed: 9.17 ft at 3:30PM Jan 10, 2021Observed: 9.17 ft at 3:45PM Jan 10, 2021Observed: 9.17 ft at 4:00PM Jan 10, 2021Observed: 9.17 ft at 4:15PM Jan 10, 2021Observed: 9.16 ft at 4:30PM Jan 10, 2021Observed: 9.16 ft at 4:45PM Jan 10, 2021Observed: 9.17 ft at 5:00PM Jan 10, 2021Observed: 9.16 ft at 5:15PM Jan 10, 2021Observed: 9.17 ft at 5:30PM Jan 10, 2021Observed: 9.16 ft at 5:45PM Jan 10, 2021Observed: 9.16 ft at 6:00PM Jan 10, 2021Observed: 9.17 ft at 6:15PM Jan 10, 2021Observed: 9.16 ft at 6:30PM Jan 10, 2021Observed: 9.16 ft at 6:45PM Jan 10, 2021Observed: 9.17 ft at 7:00PM Jan 10, 2021Observed: 9.16 ft at 7:15PM Jan 10, 2021Observed: 9.16 ft at 7:30PM Jan 10, 2021Observed: 9.17 ft at 7:45PM Jan 10, 2021Observed: 9.17 ft at 8:00PM Jan 10, 2021Observed: 9.16 ft at 8:15PM Jan 10, 2021Observed: 9.16 ft at 8:30PM Jan 10, 2021Observed: 9.16 ft at 8:45PM Jan 10, 2021Observed: 9.16 ft at 9:00PM Jan 10, 2021Observed: 9.16 ft at 9:15PM Jan 10, 2021Observed: 9.16 ft at 9:30PM Jan 10, 2021Observed: 9.16 ft at 9:45PM Jan 10, 2021Observed: 9.16 ft at 10:00PM Jan 10, 2021Observed: 9.15 ft at 10:15PM Jan 10, 2021Observed: 9.16 ft at 10:30PM Jan 10, 2021Observed: 9.15 ft at 10:45PM Jan 10, 2021Observed: 9.15 ft at 11:00PM Jan 10, 2021Observed: 9.15 ft at 11:15PM Jan 10, 2021Observed: 9.15 ft at 11:30PM Jan 10, 2021Observed: 9.14 ft at 11:45PM Jan 10, 2021Observed: 9.14 ft at 12:00AM Jan 11, 2021Observed: 9.13 ft at 12:15AM Jan 11, 2021Observed: 9.13 ft at 12:30AM Jan 11, 2021Observed: 9.13 ft at 12:45AM Jan 11, 2021Observed: 9.12 ft at 1:00AM Jan 11, 2021Observed: 9.12 ft at 1:15AM Jan 11, 2021Observed: 9.11 ft at 1:30AM Jan 11, 2021Observed: 9.11 ft at 1:45AM Jan 11, 2021Observed: 9.1 ft at 2:00AM Jan 11, 2021Observed: 9.1 ft at 2:15AM Jan 11, 2021Observed: 9.1 ft at 2:30AM Jan 11, 2021Observed: 9.09 ft at 2:45AM Jan 11, 2021Observed: 9.09 ft at 3:00AM Jan 11, 2021Observed: 9.08 ft at 3:15AM Jan 11, 2021Observed: 9.08 ft at 3:30AM Jan 11, 2021Observed: 9.08 ft at 3:45AM Jan 11, 2021Observed: 9.07 ft at 4:00AM Jan 11, 2021Observed: 9.07 ft at 4:15AM Jan 11, 2021Observed: 9.07 ft at 4:30AM Jan 11, 2021Observed: 9.07 ft at 4:45AM Jan 11, 2021Observed: 9.07 ft at 5:00AM Jan 11, 2021Observed: 9.06 ft at 5:15AM Jan 11, 2021Observed: 9.06 ft at 5:30AM Jan 11, 2021Observed: 9.06 ft at 5:45AM Jan 11, 2021Observed: 9.06 ft at 6:00AM Jan 11, 2021Observed: 9.06 ft at 6:15AM Jan 11, 2021Observed: 9.06 ft at 6:30AM Jan 11, 2021Observed: 9.06 ft at 6:45AM Jan 11, 2021Observed: 9.06 ft at 7:00AM Jan 11, 2021Observed: 9.06 ft at 7:15AM Jan 11, 2021Observed: 9.06 ft at 7:30AM Jan 11, 2021Observed: 9.06 ft at 7:45AM Jan 11, 2021Observed: 9.06 ft at 8:00AM Jan 11, 2021Observed: 9.06 ft at 8:15AM Jan 11, 2021Observed: 9.06 ft at 8:30AM Jan 11, 2021Observed: 9.06 ft at 8:45AM Jan 11, 2021Observed: 9.06 ft at 9:00AM Jan 11, 2021Observed: 9.06 ft at 9:15AM Jan 11, 2021Observed: 9.06 ft at 9:30AM Jan 11, 2021Observed: 9.05 ft at 9:45AM Jan 11, 2021Observed: 9.04 ft at 10:00AM Jan 11, 2021Observed: 9.04 ft at 10:15AM Jan 11, 2021Observed: 9.03 ft at 10:30AM Jan 11, 2021Observed: 9.04 ft at 10:45AM Jan 11, 2021Observed: 9.04 ft at 11:00AM Jan 11, 2021Observed: 9.05 ft at 11:15AM Jan 11, 2021Observed: 9.06 ft at 11:30AM Jan 11, 2021Observed: 9.05 ft at 11:45AM Jan 11, 2021Observed: 9.1 ft at 12:00PM Jan 11, 2021Observed: 10.03 ft at 12:15PM Jan 11, 2021Observed: 10.27 ft at 12:30PM Jan 11, 2021Observed: 9.94 ft at 12:45PM Jan 11, 2021Observed: 8.95 ft at 1:00PM Jan 11, 2021Observed: 10.23 ft at 1:15PM Jan 11, 2021Observed: 8.89 ft at 1:30PM Jan 11, 2021Observed: 8.9 ft at 1:45PM Jan 11, 2021Observed: 8.91 ft at 2:00PM Jan 11, 2021Observed: 8.91 ft at 2:15PM Jan 11, 2021Observed: 9.73 ft at 2:30PM Jan 11, 2021Observed: 9.78 ft at 2:45PM Jan 11, 2021Observed: 9.8 ft at 3:00PM Jan 11, 2021Observed: 9.83 ft at 3:15PM Jan 11, 2021Observed: 9.81 ft at 3:30PM Jan 11, 2021Observed: 9.88 ft at 3:45PM Jan 11, 2021Observed: 9.89 ft at 4:00PM Jan 11, 2021Observed: 9.91 ft at 4:15PM Jan 11, 2021Observed: 9.89 ft at 4:30PM Jan 11, 2021Observed: 9.89 ft at 4:45PM Jan 11, 2021Observed: 9.88 ft at 5:00PM Jan 11, 2021Observed: 9.88 ft at 5:15PM Jan 11, 2021Observed: 9.9 ft at 5:30PM Jan 11, 2021Observed: 9.9 ft at 5:45PM Jan 11, 2021Observed: 9.93 ft at 6:00PM Jan 11, 2021Observed: 9.92 ft at 6:15PM Jan 11, 2021Observed: 9.92 ft at 6:30PM Jan 11, 2021Observed: 9.94 ft at 6:45PM Jan 11, 2021Observed: 9.96 ft at 7:00PM Jan 11, 2021Observed: 9.99 ft at 7:15PM Jan 11, 2021Observed: 10.01 ft at 7:30PM Jan 11, 2021Observed: 9.99 ft at 7:45PM Jan 11, 2021Observed: 9.98 ft at 8:00PM Jan 11, 2021Observed: 9.95 ft at 8:15PM Jan 11, 2021Observed: 9.93 ft at 8:30PM Jan 11, 2021Observed: 9.92 ft at 8:45PM Jan 11, 2021Observed: 9.92 ft at 9:00PM Jan 11, 2021Observed: 9.91 ft at 9:15PM Jan 11, 2021Observed: 9.88 ft at 9:30PM Jan 11, 2021Observed: 9.87 ft at 9:45PM Jan 11, 2021Observed: 9.84 ft at 10:00PM Jan 11, 2021Observed: 9.84 ft at 10:15PM Jan 11, 2021Observed: 9.83 ft at 10:30PM Jan 11, 2021Observed: 9.8 ft at 10:45PM Jan 11, 2021Observed: 9.78 ft at 11:00PM Jan 11, 2021Observed: 9.8 ft at 11:15PM Jan 11, 2021Observed: 9.81 ft at 11:30PM Jan 11, 2021Observed: 9.81 ft at 11:45PM Jan 11, 2021Observed: 9.82 ft at 12:00AM Jan 12, 2021Observed: 9.82 ft at 12:15AM Jan 12, 2021Observed: 9.81 ft at 12:30AM Jan 12, 2021Observed: 9.8 ft at 12:45AM Jan 12, 2021Observed: 9.77 ft at 1:00AM Jan 12, 2021Observed: 9.75 ft at 1:15AM Jan 12, 2021Observed: 9.73 ft at 1:30AM Jan 12, 2021Observed: 9.72 ft at 1:45AM Jan 12, 2021Observed: 9.68 ft at 2:00AM Jan 12, 2021Observed: 9.67 ft at 2:15AM Jan 12, 2021Observed: 9.65 ft at 2:30AM Jan 12, 2021Observed: 9.64 ft at 2:45AM Jan 12, 2021Observed: 9.62 ft at 3:00AM Jan 12, 2021Observed: 9.63 ft at 3:15AM Jan 12, 2021Observed: 9.4 ft at 3:30AM Jan 12, 2021Observed: 9.25 ft at 3:45AM Jan 12, 2021Observed: 9.22 ft at 4:00AM Jan 12, 2021Observed: 9.38 ft at 4:15AM Jan 12, 2021Observed: 9.83 ft at 4:30AM Jan 12, 2021Observed: 9.89 ft at 4:45AM Jan 12, 2021Observed: 9.9 ft at 5:00AM Jan 12, 2021Observed: 9.93 ft at 5:15AM Jan 12, 2021Observed: 9.94 ft at 5:30AM Jan 12, 2021Observed: 9.95 ft at 5:45AM Jan 12, 2021Observed: 9.95 ft at 6:00AM Jan 12, 2021Observed: 9.96 ft at 6:15AM Jan 12, 2021Observed: 9.92 ft at 6:30AM Jan 12, 2021Observed: 9.88 ft at 6:45AM Jan 12, 2021Observed: 9.84 ft at 7:00AM Jan 12, 2021Observed: 9.05 ft at 7:15AM Jan 12, 2021Observed: 9.13 ft at 7:30AM Jan 12, 2021Observed: 9.15 ft at 7:45AM Jan 12, 2021Observed: 9.16 ft at 8:00AM Jan 12, 2021Observed: 9.15 ft at 8:15AM Jan 12, 2021Observed: 9.16 ft at 8:30AM Jan 12, 2021Observed: 9.15 ft at 8:45AM Jan 12, 2021Observed: 9.15 ft at 9:00AM Jan 12, 2021Observed: 9.15 ft at 9:15AM Jan 12, 2021Observed: 9.13 ft at 9:30AM Jan 12, 2021Observed: 9.12 ft at 9:45AM Jan 12, 2021Observed: 9.07 ft at 10:00AM Jan 12, 2021Observed: 9.04 ft at 10:15AM Jan 12, 2021Observed: 9.01 ft at 10:30AM Jan 12, 2021Observed: 9.15 ft at 10:45AM Jan 12, 2021Observed: 9.51 ft at 11:00AM Jan 12, 2021Observed: 9.76 ft at 11:15AM Jan 12, 2021Observed: 9.95 ft at 11:30AM Jan 12, 2021Observed: 10.04 ft at 11:45AM Jan 12, 2021Observed: 9.91 ft at 12:00PM Jan 12, 2021Observed: 9.96 ft at 12:15PM Jan 12, 2021Observed: 9.98 ft at 12:30PM Jan 12, 2021Observed: 9.81 ft at 12:45PM Jan 12, 2021Observed: 9.78 ft at 1:00PM Jan 12, 2021Observed: 9.71 ft at 1:15PM Jan 12, 2021Observed: 9.85 ft at 1:30PM Jan 12, 2021Observed: 9.88 ft at 1:45PM Jan 12, 2021Observed: 9.89 ft at 2:00PM Jan 12, 2021Observed: 9.9 ft at 2:15PM Jan 12, 2021Observed: 9.9 ft at 2:30PM Jan 12, 2021Observed: 9.91 ft at 2:45PM Jan 12, 2021Observed: 9.92 ft at 3:00PM Jan 12, 2021Observed: 9.92 ft at 3:15PM Jan 12, 2021Observed: 9.92 ft at 3:30PM Jan 12, 2021Observed: 9.92 ft at 3:45PM Jan 12, 2021Observed: 9.91 ft at 4:00PM Jan 12, 2021Observed: 9.91 ft at 4:15PM Jan 12, 2021Observed: 9.91 ft at 4:30PM Jan 12, 2021Observed: 9.93 ft at 4:45PM Jan 12, 2021Observed: 9.93 ft at 5:00PM Jan 12, 2021Observed: 9.92 ft at 5:15PM Jan 12, 2021Observed: 9.94 ft at 5:30PM Jan 12, 2021Observed: 9.96 ft at 5:45PM Jan 12, 2021Observed: 9.95 ft at 6:00PM Jan 12, 2021Observed: 9.95 ft at 6:15PM Jan 12, 2021Observed: 9.99 ft at 6:30PM Jan 12, 2021Observed: 10 ft at 6:45PM Jan 12, 2021Observed: 10 ft at 7:00PM Jan 12, 2021Observed: 9.99 ft at 7:15PM Jan 12, 2021Observed: 9.98 ft at 7:30PM Jan 12, 2021Observed: 9.97 ft at 7:45PM Jan 12, 2021Observed: 9.97 ft at 8:00PM Jan 12, 2021Observed: 9.96 ft at 8:15PM Jan 12, 2021Observed: 9.95 ft at 8:30PM Jan 12, 2021Observed: 9.95 ft at 8:45PM Jan 12, 2021Observed: 9.94 ft at 9:00PM Jan 12, 2021Observed: 9.92 ft at 9:15PM Jan 12, 2021Observed: 9.92 ft at 9:30PM Jan 12, 2021Observed: 9.9 ft at 9:45PM Jan 12, 2021Observed: 9.91 ft at 10:00PM Jan 12, 2021Observed: 9.9 ft at 10:15PM Jan 12, 2021Observed: 9.87 ft at 10:30PM Jan 12, 2021Observed: 9.88 ft at 10:45PM Jan 12, 2021Observed: 9.85 ft at 11:00PM Jan 12, 2021Observed: 9.85 ft at 11:15PM Jan 12, 2021Observed: 9.85 ft at 11:30PM Jan 12, 2021Observed: 9.88 ft at 11:45PM Jan 12, 2021Observed: 9.12 ft at 12:00AM Jan 13, 2021Observed: 9.07 ft at 12:15AM Jan 13, 2021Observed: 9.08 ft at 12:30AM Jan 13, 2021Observed: 9.07 ft at 12:45AM Jan 13, 2021Observed: 9.07 ft at 1:00AM Jan 13, 2021Observed: 9.06 ft at 1:15AM Jan 13, 2021Observed: 9.05 ft at 1:30AM Jan 13, 2021Observed: 9.04 ft at 1:45AM Jan 13, 2021Observed: 9.02 ft at 2:00AM Jan 13, 2021Observed: 9.02 ft at 2:15AM Jan 13, 2021Observed: 9.01 ft at 2:30AM Jan 13, 2021Observed: 9.01 ft at 2:45AM Jan 13, 2021Observed: 9 ft at 3:00AM Jan 13, 2021Observed: 8.99 ft at 3:15AM Jan 13, 2021Observed: 8.98 ft at 3:30AM Jan 13, 2021Observed: 8.97 ft at 3:45AM Jan 13, 2021Observed: 8.96 ft at 4:00AM Jan 13, 2021Observed: 9.54 ft at 4:15AM Jan 13, 2021Observed: 9.72 ft at 4:30AM Jan 13, 2021Observed: 9.82 ft at 4:45AM Jan 13, 2021Observed: 9.84 ft at 5:00AM Jan 13, 2021Observed: 9.86 ft at 5:15AM Jan 13, 2021Observed: 9.87 ft at 5:30AM Jan 13, 2021Observed: 9.89 ft at 5:45AM Jan 13, 2021Observed: 9.91 ft at 6:00AM Jan 13, 2021Observed: 9.91 ft at 6:15AM Jan 13, 2021Observed: 9.92 ft at 6:30AM Jan 13, 2021Observed: 9.94 ft at 6:45AM Jan 13, 2021Observed: 9.94 ft at 7:00AM Jan 13, 2021Observed: 9.95 ft at 7:15AM Jan 13, 2021Observed: 9.96 ft at 7:30AM Jan 13, 2021Observed: 9.96 ft at 7:45AM Jan 13, 2021Observed: 9.97 ft at 8:00AM Jan 13, 2021Observed: 9.98 ft at 8:15AM Jan 13, 2021Observed: 9.98 ft at 8:30AM Jan 13, 2021Observed: 9.98 ft at 8:45AM Jan 13, 2021Observed: 9.98 ft at 9:00AM Jan 13, 2021Observed: 9.98 ft at 9:15AM Jan 13, 2021Observed: 9.98 ft at 9:30AM Jan 13, 2021Observed: 9.99 ft at 9:45AM Jan 13, 2021Observed: 9.98 ft at 10:00AM Jan 13, 2021Observed: 9.99 ft at 10:15AM Jan 13, 2021Observed: 9.99 ft at 10:30AM Jan 13, 2021Observed: 9.98 ft at 10:45AM Jan 13, 2021Observed: 9.97 ft at 11:00AM Jan 13, 2021Observed: 9.97 ft at 11:15AM Jan 13, 2021Observed: 9.98 ft at 11:30AM Jan 13, 2021Observed: 9.96 ft at 11:45AM Jan 13, 2021Observed: 9.95 ft at 12:00PM Jan 13, 2021Observed: 9.93 ft at 12:15PM Jan 13, 2021Observed: 9.93 ft at 12:30PM Jan 13, 2021Observed: 9.96 ft at 12:45PM Jan 13, 2021Observed: 9.92 ft at 1:00PM Jan 13, 2021Observed: 9.91 ft at 1:15PM Jan 13, 2021Observed: 9.81 ft at 1:30PM Jan 13, 2021Observed: 9.74 ft at 1:45PM Jan 13, 2021Observed: 9.65 ft at 2:00PM Jan 13, 2021Observed: 9.71 ft at 2:15PM Jan 13, 2021Observed: 9.81 ft at 2:30PM Jan 13, 2021Observed: 9.88 ft at 2:45PM Jan 13, 2021Observed: 9.9 ft at 3:00PM Jan 13, 2021Observed: 9.92 ft at 3:15PM Jan 13, 2021Observed: 9.91 ft at 3:30PM Jan 13, 2021Observed: 9.92 ft at 3:45PM Jan 13, 2021Observed: 9.93 ft at 4:00PM Jan 13, 2021Observed: 9.93 ft at 4:15PM Jan 13, 2021Observed: 9.93 ft at 4:30PM Jan 13, 2021Observed: 9.87 ft at 4:45PM Jan 13, 2021Observed: 9.8 ft at 5:00PM Jan 13, 2021Observed: 9.82 ft at 5:15PM Jan 13, 2021Observed: 9.85 ft at 5:30PM Jan 13, 2021Observed: 9.87 ft at 5:45PM Jan 13, 2021Observed: 9.83 ft at 6:00PM Jan 13, 2021Observed: 9.83 ft at 6:15PM Jan 13, 2021Observed: 9.77 ft at 6:30PM Jan 13, 2021Observed: 9.86 ft at 6:45PM Jan 13, 2021Observed: 9.89 ft at 7:00PM Jan 13, 2021Observed: 9.85 ft at 7:15PM Jan 13, 2021Observed: 9.83 ft at 7:30PM Jan 13, 2021Observed: 9.83 ft at 7:45PM Jan 13, 2021Observed: 8.87 ft at 8:00PM Jan 13, 2021Observed: 9.75 ft at 8:15PM Jan 13, 2021Observed: 9.78 ft at 8:30PM Jan 13, 2021Observed: 9.79 ft at 8:45PM Jan 13, 2021Observed: 9.76 ft at 9:00PM Jan 13, 2021Observed: 9.74 ft at 9:15PM Jan 13, 2021Observed: 9.74 ft at 9:30PM Jan 13, 2021Observed: 9.55 ft at 9:45PM Jan 13, 2021Observed: 8.89 ft at 10:00PM Jan 13, 2021Observed: 8.89 ft at 10:15PM Jan 13, 2021Observed: 8.9 ft at 10:30PM Jan 13, 2021Observed: 8.92 ft at 10:45PM Jan 13, 2021Observed: 8.95 ft at 11:00PM Jan 13, 2021Observed: 8.94 ft at 11:15PM Jan 13, 2021Observed: 8.95 ft at 11:30PM Jan 13, 2021Observed: 8.98 ft at 11:45PM Jan 13, 2021Observed: 8.96 ft at 12:00AM Jan 14, 2021Observed: 8.97 ft at 12:15AM Jan 14, 2021Observed: 8.97 ft at 12:30AM Jan 14, 2021Observed: 8.97 ft at 12:45AM Jan 14, 2021Observed: 8.96 ft at 1:00AM Jan 14, 2021Observed: 8.98 ft at 1:15AM Jan 14, 2021Observed: 8.97 ft at 1:30AM Jan 14, 2021Observed: 8.96 ft at 1:45AM Jan 14, 2021Observed: 8.95 ft at 2:00AM Jan 14, 2021Observed: 8.96 ft at 2:15AM Jan 14, 2021Observed: 8.98 ft at 2:30AM Jan 14, 2021Observed: 8.97 ft at 2:45AM Jan 14, 2021Observed: 8.98 ft at 3:00AM Jan 14, 2021Observed: 8.97 ft at 3:15AM Jan 14, 2021Observed: 8.94 ft at 3:30AM Jan 14, 2021Observed: 8.92 ft at 3:45AM Jan 14, 2021Observed: 8.94 ft at 4:00AM Jan 14, 2021Observed: 8.93 ft at 4:15AM Jan 14, 2021Observed: 8.93 ft at 4:30AM Jan 14, 2021Observed: 8.93 ft at 4:45AM Jan 14, 2021Observed: 8.94 ft at 5:00AM Jan 14, 2021Observed: 8.94 ft at 5:15AM Jan 14, 2021Observed: 8.94 ft at 5:30AM Jan 14, 2021Observed: 8.94 ft at 5:45AM Jan 14, 2021Observed: 8.93 ft at 6:00AM Jan 14, 2021Observed: 9.03 ft at 6:15AM Jan 14, 2021Observed: 9.01 ft at 6:30AM Jan 14, 2021Observed: 9 ft at 6:45AM Jan 14, 2021Observed: 8.97 ft at 7:00AM Jan 14, 2021Observed: 8.99 ft at 7:15AM Jan 14, 2021Observed: 8.99 ft at 7:30AM Jan 14, 2021Observed: 9 ft at 7:45AM Jan 14, 2021Observed: 9 ft at 8:00AM Jan 14, 2021Observed: 8.99 ft at 8:15AM Jan 14, 2021Observed: 9.04 ft at 8:30AM Jan 14, 2021Observed: 9.89 ft at 8:45AM Jan 14, 2021Observed: 9.96 ft at 9:00AM Jan 14, 2021Observed: 9.99 ft at 9:15AM Jan 14, 2021Observed: 9.94 ft at 9:30AM Jan 14, 2021Observed: 9.96 ft at 9:45AM Jan 14, 2021Observed: 9.97 ft at 10:00AM Jan 14, 2021Observed: 9.99 ft at 10:15AM Jan 14, 2021Observed: 9.96 ft at 10:30AM Jan 14, 2021Observed: 9.94 ft at 10:45AM Jan 14, 2021Observed: 9.95 ft at 11:00AM Jan 14, 2021Observed: 9.93 ft at 11:15AM Jan 14, 2021Observed: 9.91 ft at 11:30AM Jan 14, 2021Observed: 9.88 ft at 11:45AM Jan 14, 2021Observed: 9.91 ft at 12:00PM Jan 14, 2021Observed: 9.88 ft at 12:15PM Jan 14, 2021Observed: 9.79 ft at 12:30PM Jan 14, 2021Observed: 9.8 ft at 12:45PM Jan 14, 2021Observed: 9.76 ft at 1:00PM Jan 14, 2021Observed: 9.77 ft at 1:15PM Jan 14, 2021Observed: 9.73 ft at 1:30PM Jan 14, 2021Observed: 9.71 ft at 1:45PM Jan 14, 2021Observed: 9.7 ft at 2:00PM Jan 14, 2021Observed: 9.72 ft at 2:15PM Jan 14, 2021Observed: 9.75 ft at 2:30PM Jan 14, 2021Observed: 9.74 ft at 2:45PM Jan 14, 2021Observed: 9.71 ft at 3:00PM Jan 14, 2021Observed: 9.83 ft at 3:15PM Jan 14, 2021Observed: 9.75 ft at 3:30PM Jan 14, 2021Observed: 9.85 ft at 3:45PM Jan 14, 2021Observed: 9.78 ft at 4:00PM Jan 14, 2021Observed: 9.81 ft at 4:15PM Jan 14, 2021Observed: 9.82 ft at 4:30PM Jan 14, 2021Observed: 9.73 ft at 4:45PM Jan 14, 2021Observed: 9.69 ft at 5:00PM Jan 14, 2021Observed: 9.74 ft at 5:15PM Jan 14, 2021Observed: 9.75 ft at 5:30PM Jan 14, 2021Observed: 9.8 ft at 5:45PM Jan 14, 2021Observed: 9.79 ft at 6:00PM Jan 14, 2021Observed: 9.77 ft at 6:15PM Jan 14, 2021Observed: 9.75 ft at 6:30PM Jan 14, 2021Observed: 9.75 ft at 6:45PM Jan 14, 2021Observed: 9.81 ft at 7:00PM Jan 14, 2021Observed: 9.85 ft at 7:15PM Jan 14, 2021Observed: 9.83 ft at 7:30PM Jan 14, 2021Observed: 9.86 ft at 7:45PM Jan 14, 2021Observed: 9.87 ft at 8:00PM Jan 14, 2021Observed: 9.91 ft at 8:15PM Jan 14, 2021Observed: 10.1 ft at 8:30PM Jan 14, 2021Observed: 10.2 ft at 8:45PM Jan 14, 2021Observed: 10.2 ft at 9:00PM Jan 14, 2021Observed: 10.23 ft at 9:15PM Jan 14, 2021Observed: 10.23 ft at 9:30PM Jan 14, 2021Observed: 10.22 ft at 9:45PM Jan 14, 2021Observed: 9.49 ft at 10:00PM Jan 14, 2021Observed: 9.61 ft at 10:15PM Jan 14, 2021Observed: 9.71 ft at 10:30PM Jan 14, 2021Observed: 9.75 ft at 10:45PM Jan 14, 2021Observed: 9.79 ft at 11:00PM Jan 14, 2021Observed: 9.79 ft at 11:15PM Jan 14, 2021Observed: 9.85 ft at 11:30PM Jan 14, 2021Observed: 9.82 ft at 11:45PM Jan 14, 2021Observed: 9.86 ft at 12:00AM Jan 15, 2021Observed: 9.91 ft at 12:15AM Jan 15, 2021Observed: 9.97 ft at 12:30AM Jan 15, 2021Observed: 9.76 ft at 12:45AM Jan 15, 2021Observed: 9.53 ft at 1:00AM Jan 15, 2021Highest Observation: 10.34 ft at 1:15AM Jan 15, 2021Observed: 9.58 ft at 1:30AM Jan 15, 2021Observed: 10.17 ft at 1:45AM Jan 15, 2021Observed: 9.52 ft at 2:00AM Jan 15, 2021Observed: 9.68 ft at 2:15AM Jan 15, 2021Observed: 9.67 ft at 2:30AM Jan 15, 2021Observed: 9.64 ft at 2:45AM Jan 15, 2021Observed: 9.76 ft at 3:00AM Jan 15, 2021Observed: 9.77 ft at 3:15AM Jan 15, 2021Observed: 9.77 ft at 3:30AM Jan 15, 2021Observed: 10.12 ft at 3:45AM Jan 15, 2021Observed: 10.12 ft at 4:00AM Jan 15, 2021Observed: 10.1 ft at 4:15AM Jan 15, 2021Observed: 10.09 ft at 4:30AM Jan 15, 2021Observed: 10.05 ft at 4:45AM Jan 15, 2021Observed: 10.02 ft at 5:00AM Jan 15, 2021Observed: 9.59 ft at 5:15AM Jan 15, 2021Observed: 9.65 ft at 5:30AM Jan 15, 2021Observed: 9.64 ft at 5:45AM Jan 15, 2021Observed: 9.8 ft at 6:00AM Jan 15, 2021Observed: 9.83 ft at 6:15AM Jan 15, 2021Observed: 9.84 ft at 6:30AM Jan 15, 2021Observed: 9.87 ft at 6:45AM Jan 15, 2021Observed: 9.86 ft at 7:00AM Jan 15, 2021Observed: 9.88 ft at 7:15AM Jan 15, 2021Observed: 9.87 ft at 7:30AM Jan 15, 2021Observed: 9.78 ft at 7:45AM Jan 15, 2021Observed: 9.59 ft at 8:00AM Jan 15, 2021Observed: 9.58 ft at 8:15AM Jan 15, 2021Observed: 9.49 ft at 8:30AM Jan 15, 2021Observed: 9.62 ft at 8:45AM Jan 15, 2021Observed: 9.61 ft at 9:00AM Jan 15, 2021Observed: 9.63 ft at 9:15AM Jan 15, 2021Observed: 9.61 ft at 9:30AM Jan 15, 2021Observed: 9.86 ft at 9:45AM Jan 15, 2021Observed: 9.89 ft at 10:00AM Jan 15, 2021Observed: 9.89 ft at 10:15AM Jan 15, 2021Observed: 9.88 ft at 10:30AM Jan 15, 2021Observed: 9.91 ft at 10:45AM Jan 15, 2021Observed: 9.91 ft at 11:00AM Jan 15, 2021Observed: 9.9 ft at 11:15AM Jan 15, 2021Observed: 9.9 ft at 11:30AM Jan 15, 2021Observed: 9.9 ft at 11:45AM Jan 15, 2021Observed: 9.89 ft at 12:00PM Jan 15, 2021USGS--Water Resources of the United StatesMIWI4(plotting HGIR2) Graph Created (12:32PM Jan 15, 2021)ObservedLatest observed value: 9.89 ft at 12:00 PM CST 15-Jan-2021. Flood Stage is 19 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
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.
Return to Area Map
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) 21.60 ft on 06/10/2008
(5) 21.44 ft on 05/27/2013
(6) 20.77 ft on 08/17/1993
(7) 20.55 ft on 07/10/1993
(8) 20.49 ft on 05/31/2008
(9) 20.38 ft on 06/18/1990
(10) 20.38 ft on 12/15/2015
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 20.32 ft on 03/15/2019
(2) 18.25 ft on 09/27/2018
(3) 17.63 ft on 10/01/2016
(4) 18.95 ft on 09/28/2016
(5) 15.81 ft on 06/05/2016
(6) 16.94 ft on 02/20/2016
(7) 20.38 ft on 12/15/2015
(8) 19.99 ft on 08/30/2015
(9) 15.76 ft on 07/07/2015
(10) 22.25 ft on 07/02/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.40 ft on 10/20/1974
(2) 2.65 ft on 12/04/1974
(3) 4.30 ft on 09/29/1976
(4) 6.28 ft on 10/03/1989
(5) 6.49 ft on 03/01/1989
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.
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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 853.10 ft 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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