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Hydrograph River at a Glance Download
Big Sioux River at Sioux City Stage (ft)Flow (cfs)Observed: 8.78 ft at 12:15PM Jan 18, 2021Observed: 8.78 ft at 12:17PM Jan 18, 2021Observed: 8.8 ft at 12:30PM Jan 18, 2021Observed: 8.81 ft at 12:45PM Jan 18, 2021Observed: 8.81 ft at 1:00PM Jan 18, 2021Observed: 8.83 ft at 1:15PM Jan 18, 2021Observed: 8.84 ft at 1:30PM Jan 18, 2021Observed: 8.81 ft at 1:45PM Jan 18, 2021Observed: 8.83 ft at 2:00PM Jan 18, 2021Observed: 8.83 ft at 2:15PM Jan 18, 2021Observed: 8.82 ft at 2:30PM Jan 18, 2021Observed: 8.83 ft at 2:45PM Jan 18, 2021Observed: 8.86 ft at 3:00PM Jan 18, 2021Observed: 8.88 ft at 3:15PM Jan 18, 2021Observed: 8.86 ft at 3:30PM Jan 18, 2021Observed: 8.89 ft at 3:45PM Jan 18, 2021Observed: 8.92 ft at 4:00PM Jan 18, 2021Observed: 8.93 ft at 4:15PM Jan 18, 2021Observed: 8.94 ft at 4:30PM Jan 18, 2021Observed: 8.97 ft at 4:45PM Jan 18, 2021Observed: 8.97 ft at 5:00PM Jan 18, 2021Observed: 8.98 ft at 5:15PM Jan 18, 2021Observed: 8.98 ft at 5:30PM Jan 18, 2021Observed: 9.01 ft at 5:45PM Jan 18, 2021Observed: 8.99 ft at 6:00PM Jan 18, 2021Observed: 9.04 ft at 6:15PM Jan 18, 2021Observed: 9 ft at 6:30PM Jan 18, 2021Observed: 9.03 ft at 6:45PM Jan 18, 2021Observed: 9.02 ft at 7:00PM Jan 18, 2021Observed: 9.04 ft at 7:15PM Jan 18, 2021Observed: 9.03 ft at 7:30PM Jan 18, 2021Observed: 9.04 ft at 7:45PM Jan 18, 2021Observed: 9.04 ft at 7:47PM Jan 18, 2021Observed: 9.06 ft at 8:00PM Jan 18, 2021Observed: 9.06 ft at 8:02PM Jan 18, 2021Observed: 9.05 ft at 8:15PM Jan 18, 2021Observed: 9.05 ft at 8:17PM Jan 18, 2021Observed: 9.09 ft at 8:30PM Jan 18, 2021Observed: 9.09 ft at 8:45PM Jan 18, 2021Observed: 9.08 ft at 9:00PM Jan 18, 2021Observed: 9.09 ft at 9:15PM Jan 18, 2021Observed: 9.1 ft at 9:30PM Jan 18, 2021Observed: 9.07 ft at 9:45PM Jan 18, 2021Observed: 9.08 ft at 10:00PM Jan 18, 2021Observed: 9.09 ft at 10:15PM Jan 18, 2021Observed: 9.09 ft at 10:30PM Jan 18, 2021Observed: 9.09 ft at 10:45PM Jan 18, 2021Observed: 9.12 ft at 11:00PM Jan 18, 2021Observed: 9.09 ft at 11:15PM Jan 18, 2021Observed: 9.11 ft at 11:30PM Jan 18, 2021Observed: 9.11 ft at 11:45PM Jan 18, 2021Observed: 9.11 ft at 12:00AM Jan 19, 2021Observed: 9.1 ft at 12:15AM Jan 19, 2021Observed: 9.11 ft at 12:30AM Jan 19, 2021Observed: 9.1 ft at 12:45AM Jan 19, 2021Observed: 9.12 ft at 1:00AM Jan 19, 2021Observed: 9.11 ft at 1:15AM Jan 19, 2021Observed: 9.11 ft at 1:30AM Jan 19, 2021Observed: 9.09 ft at 1:45AM Jan 19, 2021Observed: 9.11 ft at 2:00AM Jan 19, 2021Observed: 9.11 ft at 2:15AM Jan 19, 2021Observed: 9.1 ft at 2:30AM Jan 19, 2021Observed: 9.13 ft at 2:45AM Jan 19, 2021Observed: 9.12 ft at 3:00AM Jan 19, 2021Observed: 9.1 ft at 3:15AM Jan 19, 2021Observed: 9.1 ft at 3:30AM Jan 19, 2021Observed: 9.12 ft at 3:45AM Jan 19, 2021Observed: 9.12 ft at 3:46AM Jan 19, 2021Observed: 9.11 ft at 4:00AM Jan 19, 2021Observed: 9.11 ft at 4:01AM Jan 19, 2021Observed: 9.12 ft at 4:15AM Jan 19, 2021Observed: 9.12 ft at 4:16AM Jan 19, 2021Observed: 9.13 ft at 4:30AM Jan 19, 2021Observed: 9.13 ft at 4:45AM Jan 19, 2021Observed: 9.11 ft at 5:00AM Jan 19, 2021Observed: 9.09 ft at 5:15AM Jan 19, 2021Observed: 9.1 ft at 5:30AM Jan 19, 2021Observed: 9.08 ft at 5:45AM Jan 19, 2021Observed: 9.1 ft at 6:00AM Jan 19, 2021Observed: 9.09 ft at 6:15AM Jan 19, 2021Observed: 9.13 ft at 6:30AM Jan 19, 2021Observed: 9.09 ft at 6:45AM Jan 19, 2021Observed: 9.08 ft at 7:00AM Jan 19, 2021Observed: 9.08 ft at 7:15AM Jan 19, 2021Observed: 9.07 ft at 7:30AM Jan 19, 2021Observed: 9.1 ft at 7:45AM Jan 19, 2021Observed: 9.11 ft at 8:00AM Jan 19, 2021Observed: 9.12 ft at 8:15AM Jan 19, 2021Observed: 9.1 ft at 8:30AM Jan 19, 2021Observed: 9.09 ft at 8:45AM Jan 19, 2021Observed: 9.11 ft at 9:00AM Jan 19, 2021Observed: 9.11 ft at 9:15AM Jan 19, 2021Observed: 9.08 ft at 9:30AM Jan 19, 2021Observed: 9.08 ft at 9:45AM Jan 19, 2021Observed: 9.08 ft at 10:00AM Jan 19, 2021Observed: 9.09 ft at 10:15AM Jan 19, 2021Observed: 9.07 ft at 10:30AM Jan 19, 2021Observed: 9.09 ft at 10:45AM Jan 19, 2021Observed: 9.07 ft at 11:00AM Jan 19, 2021Observed: 9.08 ft at 11:15AM Jan 19, 2021Observed: 9.08 ft at 11:30AM Jan 19, 2021Observed: 9.06 ft at 11:45AM Jan 19, 2021Observed: 9.06 ft at 11:47AM Jan 19, 2021Observed: 9.05 ft at 12:00PM Jan 19, 2021Observed: 9.05 ft at 12:02PM Jan 19, 2021Observed: 9.07 ft at 12:15PM Jan 19, 2021Observed: 9.07 ft at 12:17PM Jan 19, 2021Observed: 9.08 ft at 12:30PM Jan 19, 2021Observed: 9.07 ft at 12:45PM Jan 19, 2021Observed: 9.06 ft at 1:00PM Jan 19, 2021Observed: 9.09 ft at 1:15PM Jan 19, 2021Observed: 9.05 ft at 1:30PM Jan 19, 2021Observed: 9.03 ft at 1:45PM Jan 19, 2021Observed: 9.05 ft at 2:00PM Jan 19, 2021Observed: 9.05 ft at 2:15PM Jan 19, 2021Observed: 9.02 ft at 2:30PM Jan 19, 2021Observed: 9.02 ft at 2:45PM Jan 19, 2021Observed: 9.02 ft at 3:00PM Jan 19, 2021Observed: 9.01 ft at 3:15PM Jan 19, 2021Observed: 9.02 ft at 3:30PM Jan 19, 2021Observed: 9.01 ft at 3:45PM Jan 19, 2021Observed: 9.04 ft at 4:00PM Jan 19, 2021Observed: 8.99 ft at 4:15PM Jan 19, 2021Observed: 8.99 ft at 4:30PM Jan 19, 2021Observed: 9.01 ft at 4:45PM Jan 19, 2021Observed: 9 ft at 5:00PM Jan 19, 2021Observed: 8.98 ft at 5:15PM Jan 19, 2021Observed: 8.98 ft at 5:30PM Jan 19, 2021Observed: 8.99 ft at 5:45PM Jan 19, 2021Observed: 8.99 ft at 6:00PM Jan 19, 2021Observed: 8.96 ft at 6:15PM Jan 19, 2021Observed: 8.95 ft at 6:30PM Jan 19, 2021Observed: 8.97 ft at 6:45PM Jan 19, 2021Observed: 8.99 ft at 7:00PM Jan 19, 2021Observed: 8.96 ft at 7:15PM Jan 19, 2021Observed: 8.97 ft at 7:30PM Jan 19, 2021Observed: 8.95 ft at 7:45PM Jan 19, 2021Observed: 8.95 ft at 7:47PM Jan 19, 2021Observed: 8.95 ft at 8:00PM Jan 19, 2021Observed: 8.95 ft at 8:02PM Jan 19, 2021Observed: 8.98 ft at 8:15PM Jan 19, 2021Observed: 8.98 ft at 8:17PM Jan 19, 2021Observed: 8.95 ft at 8:30PM Jan 19, 2021Observed: 8.92 ft at 8:45PM Jan 19, 2021Observed: 8.97 ft at 9:00PM Jan 19, 2021Observed: 8.96 ft at 9:15PM Jan 19, 2021Observed: 8.94 ft at 9:30PM Jan 19, 2021Observed: 8.96 ft at 9:45PM Jan 19, 2021Observed: 8.98 ft at 10:00PM Jan 19, 2021Observed: 8.97 ft at 10:15PM Jan 19, 2021Observed: 8.96 ft at 10:30PM Jan 19, 2021Observed: 8.94 ft at 10:45PM Jan 19, 2021Observed: 8.97 ft at 11:00PM Jan 19, 2021Observed: 8.94 ft at 11:15PM Jan 19, 2021Observed: 8.96 ft at 11:30PM Jan 19, 2021Observed: 8.92 ft at 11:45PM Jan 19, 2021Observed: 8.95 ft at 12:00AM Jan 20, 2021Observed: 8.96 ft at 12:15AM Jan 20, 2021Observed: 8.97 ft at 12:30AM Jan 20, 2021Observed: 8.92 ft at 12:45AM Jan 20, 2021Observed: 8.99 ft at 1:00AM Jan 20, 2021Observed: 8.94 ft at 1:15AM Jan 20, 2021Observed: 8.97 ft at 1:30AM Jan 20, 2021Observed: 8.98 ft at 1:45AM Jan 20, 2021Observed: 8.97 ft at 2:00AM Jan 20, 2021Observed: 8.94 ft at 2:15AM Jan 20, 2021Observed: 8.98 ft at 2:30AM Jan 20, 2021Observed: 8.95 ft at 3:00AM Jan 20, 2021Observed: 8.91 ft at 3:15AM Jan 20, 2021Observed: 8.91 ft at 3:30AM Jan 20, 2021Observed: 8.97 ft at 3:45AM Jan 20, 2021Observed: 8.97 ft at 3:46AM Jan 20, 2021Observed: 8.98 ft at 4:00AM Jan 20, 2021Observed: 8.98 ft at 4:01AM Jan 20, 2021Observed: 8.94 ft at 4:15AM Jan 20, 2021Observed: 8.94 ft at 4:16AM Jan 20, 2021Observed: 8.96 ft at 4:30AM Jan 20, 2021Observed: 8.96 ft at 4:45AM Jan 20, 2021Observed: 8.92 ft at 5:00AM Jan 20, 2021Observed: 8.94 ft at 5:15AM Jan 20, 2021Observed: 8.91 ft at 5:30AM Jan 20, 2021Observed: 8.88 ft at 5:45AM Jan 20, 2021Observed: 8.92 ft at 6:00AM Jan 20, 2021Observed: 8.86 ft at 6:15AM Jan 20, 2021Observed: 8.83 ft at 6:30AM Jan 20, 2021Observed: 8.84 ft at 6:45AM Jan 20, 2021Observed: 8.8 ft at 7:00AM Jan 20, 2021Observed: 8.84 ft at 7:15AM Jan 20, 2021Observed: 8.81 ft at 7:30AM Jan 20, 2021Observed: 8.77 ft at 7:45AM Jan 20, 2021Observed: 8.76 ft at 8:00AM Jan 20, 2021Observed: 8.72 ft at 8:15AM Jan 20, 2021Observed: 8.73 ft at 8:30AM Jan 20, 2021Observed: 8.69 ft at 8:45AM Jan 20, 2021Observed: 8.67 ft at 9:00AM Jan 20, 2021Observed: 8.64 ft at 9:15AM Jan 20, 2021Observed: 8.61 ft at 9:30AM Jan 20, 2021Observed: 8.59 ft at 9:45AM Jan 20, 2021Observed: 8.56 ft at 10:00AM Jan 20, 2021Observed: 8.52 ft at 10:15AM Jan 20, 2021Observed: 8.51 ft at 10:30AM Jan 20, 2021Observed: 8.46 ft at 11:45AM Jan 20, 2021Observed: 8.46 ft at 11:46AM Jan 20, 2021Observed: 8.49 ft at 12:00PM Jan 20, 2021Observed: 8.49 ft at 12:01PM Jan 20, 2021Observed: 8.5 ft at 12:15PM Jan 20, 2021Observed: 8.5 ft at 12:16PM Jan 20, 2021Observed: 8.48 ft at 12:30PM Jan 20, 2021Observed: 8.5 ft at 12:45PM Jan 20, 2021Observed: 8.49 ft at 1:00PM Jan 20, 2021Observed: 8.48 ft at 1:15PM Jan 20, 2021Observed: 8.56 ft at 1:30PM Jan 20, 2021Observed: 8.54 ft at 1:45PM Jan 20, 2021Observed: 8.58 ft at 2:00PM Jan 20, 2021Observed: 8.59 ft at 2:15PM Jan 20, 2021Observed: 8.59 ft at 2:30PM Jan 20, 2021Observed: 8.63 ft at 2:45PM Jan 20, 2021Observed: 8.63 ft at 3:00PM Jan 20, 2021Observed: 8.67 ft at 3:15PM Jan 20, 2021Observed: 8.7 ft at 3:30PM Jan 20, 2021Observed: 8.73 ft at 3:45PM Jan 20, 2021Observed: 8.72 ft at 4:00PM Jan 20, 2021Observed: 8.71 ft at 4:15PM Jan 20, 2021Observed: 8.77 ft at 4:30PM Jan 20, 2021Observed: 8.81 ft at 4:45PM Jan 20, 2021Observed: 8.81 ft at 5:00PM Jan 20, 2021Observed: 8.84 ft at 5:15PM Jan 20, 2021Observed: 8.85 ft at 5:30PM Jan 20, 2021Observed: 8.86 ft at 5:45PM Jan 20, 2021Observed: 8.87 ft at 6:00PM Jan 20, 2021Observed: 8.89 ft at 6:15PM Jan 20, 2021Observed: 8.86 ft at 6:30PM Jan 20, 2021Observed: 8.9 ft at 6:45PM Jan 20, 2021Observed: 8.92 ft at 7:00PM Jan 20, 2021Observed: 8.93 ft at 7:15PM Jan 20, 2021Observed: 8.93 ft at 7:30PM Jan 20, 2021Observed: 8.93 ft at 7:45PM Jan 20, 2021Observed: 8.93 ft at 7:46PM Jan 20, 2021Observed: 8.95 ft at 8:00PM Jan 20, 2021Observed: 8.95 ft at 8:01PM Jan 20, 2021Observed: 8.94 ft at 8:15PM Jan 20, 2021Observed: 8.94 ft at 8:16PM Jan 20, 2021Observed: 8.95 ft at 8:30PM Jan 20, 2021Observed: 8.97 ft at 8:45PM Jan 20, 2021Observed: 8.96 ft at 9:00PM Jan 20, 2021Observed: 9 ft at 9:15PM Jan 20, 2021Observed: 9.01 ft at 9:30PM Jan 20, 2021Observed: 9 ft at 9:45PM Jan 20, 2021Observed: 9.01 ft at 10:00PM Jan 20, 2021Observed: 9 ft at 10:15PM Jan 20, 2021Observed: 9.03 ft at 10:30PM Jan 20, 2021Observed: 9.03 ft at 10:45PM Jan 20, 2021Observed: 9.02 ft at 11:00PM Jan 20, 2021Observed: 9.06 ft at 11:15PM Jan 20, 2021Observed: 9.06 ft at 11:30PM Jan 20, 2021Observed: 9.02 ft at 11:45PM Jan 20, 2021Observed: 9.04 ft at 12:00AM Jan 21, 2021Observed: 9.1 ft at 12:15AM Jan 21, 2021Observed: 9.04 ft at 12:30AM Jan 21, 2021Observed: 9.1 ft at 12:45AM Jan 21, 2021Observed: 9.11 ft at 1:00AM Jan 21, 2021Observed: 9.11 ft at 1:15AM Jan 21, 2021Observed: 9.12 ft at 1:30AM Jan 21, 2021Observed: 9.09 ft at 1:45AM Jan 21, 2021Observed: 9.09 ft at 2:00AM Jan 21, 2021Observed: 9.14 ft at 2:15AM Jan 21, 2021Observed: 9.14 ft at 2:30AM Jan 21, 2021Observed: 9.13 ft at 2:45AM Jan 21, 2021Observed: 9.12 ft at 3:00AM Jan 21, 2021Observed: 9.12 ft at 3:15AM Jan 21, 2021Observed: 9.12 ft at 3:30AM Jan 21, 2021Observed: 9.14 ft at 3:45AM Jan 21, 2021Observed: 9.14 ft at 3:47AM Jan 21, 2021Observed: 9.15 ft at 4:00AM Jan 21, 2021Observed: 9.15 ft at 4:02AM Jan 21, 2021Observed: 9.14 ft at 4:15AM Jan 21, 2021Observed: 9.14 ft at 4:17AM Jan 21, 2021Observed: 9.15 ft at 4:30AM Jan 21, 2021Observed: 9.18 ft at 4:45AM Jan 21, 2021Observed: 9.17 ft at 5:00AM Jan 21, 2021Observed: 9.16 ft at 5:15AM Jan 21, 2021Observed: 9.17 ft at 5:30AM Jan 21, 2021Observed: 9.18 ft at 5:45AM Jan 21, 2021Observed: 9.16 ft at 6:00AM Jan 21, 2021Highest Observation: 9.19 ft at 6:15AM Jan 21, 2021Observed: 9.18 ft at 6:30AM Jan 21, 2021Highest Observation: 9.19 ft at 6:45AM Jan 21, 2021Observed: 9.16 ft at 7:00AM Jan 21, 2021Observed: 9.17 ft at 7:15AM Jan 21, 2021Observed: 9.16 ft at 7:30AM Jan 21, 2021Observed: 9.17 ft at 7:45AM Jan 21, 2021Observed: 9.17 ft at 8:00AM Jan 21, 2021Observed: 9.14 ft at 8:15AM Jan 21, 2021Observed: 9.15 ft at 8:30AM Jan 21, 2021Observed: 9.16 ft at 8:45AM Jan 21, 2021Observed: 9.16 ft at 9:00AM Jan 21, 2021Observed: 9.13 ft at 9:15AM Jan 21, 2021Observed: 9.11 ft at 9:30AM Jan 21, 2021Observed: 9.14 ft at 9:45AM Jan 21, 2021Observed: 9.1 ft at 10:00AM Jan 21, 2021Observed: 9.12 ft at 10:15AM Jan 21, 2021Observed: 9.09 ft at 10:30AM Jan 21, 2021Observed: 9.06 ft at 10:45AM Jan 21, 2021Observed: 9.09 ft at 11:00AM Jan 21, 2021Observed: 9.08 ft at 11:15AM Jan 21, 2021Observed: 9.06 ft at 11:30AM Jan 21, 2021Observed: 9.05 ft at 11:45AM Jan 21, 2021Observed: 9.05 ft at 12:00PM Jan 21, 2021Observed: 9.05 ft at 12:01PM Jan 21, 2021Observed: 9.02 ft at 12:15PM Jan 21, 2021Observed: 9.02 ft at 12:16PM Jan 21, 2021Observed: 9.03 ft at 12:30PM Jan 21, 2021Observed: 9.03 ft at 12:31PM Jan 21, 2021Observed: 9.04 ft at 12:45PM Jan 21, 2021Observed: 9 ft at 1:00PM Jan 21, 2021Observed: 8.99 ft at 1:15PM Jan 21, 2021Observed: 8.98 ft at 1:30PM Jan 21, 2021Observed: 8.97 ft at 1:45PM Jan 21, 2021Observed: 8.95 ft at 2:00PM Jan 21, 2021Observed: 8.93 ft at 2:15PM Jan 21, 2021Observed: 8.91 ft at 2:30PM Jan 21, 2021Observed: 8.92 ft at 2:45PM Jan 21, 2021Observed: 8.91 ft at 3:00PM Jan 21, 2021Observed: 8.91 ft at 3:15PM Jan 21, 2021Observed: 8.89 ft at 3:30PM Jan 21, 2021Observed: 8.91 ft at 3:45PM Jan 21, 2021Observed: 8.9 ft at 4:00PM Jan 21, 2021Observed: 8.87 ft at 4:15PM Jan 21, 2021Observed: 8.93 ft at 4:30PM Jan 21, 2021Observed: 8.9 ft at 4:45PM Jan 21, 2021Observed: 8.91 ft at 5:00PM Jan 21, 2021Observed: 8.89 ft at 5:15PM Jan 21, 2021Observed: 8.9 ft at 5:30PM Jan 21, 2021Observed: 8.91 ft at 5:45PM Jan 21, 2021Observed: 8.91 ft at 6:00PM Jan 21, 2021Observed: 8.89 ft at 6:15PM Jan 21, 2021Observed: 8.91 ft at 6:30PM Jan 21, 2021Observed: 8.89 ft at 6:45PM Jan 21, 2021Observed: 8.92 ft at 7:00PM Jan 21, 2021Observed: 8.89 ft at 7:15PM Jan 21, 2021Observed: 8.93 ft at 7:30PM Jan 21, 2021Observed: 8.92 ft at 7:45PM Jan 21, 2021Observed: 8.94 ft at 8:00PM Jan 21, 2021Observed: 8.94 ft at 8:01PM Jan 21, 2021Observed: 8.94 ft at 8:15PM Jan 21, 2021Observed: 8.94 ft at 8:16PM Jan 21, 2021Observed: 8.94 ft at 8:30PM Jan 21, 2021Observed: 8.94 ft at 8:31PM Jan 21, 2021Observed: 8.95 ft at 8:45PM Jan 21, 2021Observed: 8.95 ft at 9:00PM Jan 21, 2021Observed: 8.97 ft at 9:15PM Jan 21, 2021Observed: 8.99 ft at 9:30PM Jan 21, 2021Observed: 8.97 ft at 9:45PM Jan 21, 2021Observed: 8.98 ft at 10:00PM Jan 21, 2021Observed: 8.99 ft at 10:15PM Jan 21, 2021Observed: 9 ft at 10:30PM Jan 21, 2021Observed: 8.97 ft at 10:45PM Jan 21, 2021Observed: 9 ft at 11:00PM Jan 21, 2021Observed: 9.01 ft at 11:15PM Jan 21, 2021Observed: 8.99 ft at 11:30PM Jan 21, 2021Observed: 9.01 ft at 11:45PM Jan 21, 2021Observed: 9 ft at 12:00AM Jan 22, 2021Observed: 9.01 ft at 12:15AM Jan 22, 2021Observed: 9.01 ft at 12:30AM Jan 22, 2021Observed: 9.01 ft at 12:45AM Jan 22, 2021Observed: 9.01 ft at 1:00AM Jan 22, 2021Observed: 9.04 ft at 1:15AM Jan 22, 2021Observed: 9.01 ft at 1:30AM Jan 22, 2021Observed: 9.01 ft at 1:45AM Jan 22, 2021Observed: 9.04 ft at 2:00AM Jan 22, 2021Observed: 9.05 ft at 2:15AM Jan 22, 2021Observed: 9 ft at 2:30AM Jan 22, 2021Observed: 9.07 ft at 2:45AM Jan 22, 2021Observed: 9.05 ft at 3:00AM Jan 22, 2021Observed: 9.02 ft at 3:15AM Jan 22, 2021Observed: 9.08 ft at 3:30AM Jan 22, 2021Observed: 9.05 ft at 3:45AM Jan 22, 2021Observed: 9.04 ft at 4:00AM Jan 22, 2021Observed: 9.04 ft at 4:02AM Jan 22, 2021Observed: 9.05 ft at 4:15AM Jan 22, 2021Observed: 9.05 ft at 4:17AM Jan 22, 2021Observed: 9.05 ft at 4:30AM Jan 22, 2021Observed: 9.05 ft at 4:32AM Jan 22, 2021Observed: 9.06 ft at 4:45AM Jan 22, 2021Observed: 9.06 ft at 5:00AM Jan 22, 2021Observed: 9.05 ft at 5:15AM Jan 22, 2021Observed: 9.04 ft at 5:30AM Jan 22, 2021Observed: 9.05 ft at 5:45AM Jan 22, 2021Observed: 9.05 ft at 6:00AM Jan 22, 2021Observed: 9.04 ft at 6:15AM Jan 22, 2021Observed: 9.06 ft at 6:30AM Jan 22, 2021Observed: 9.07 ft at 6:45AM Jan 22, 2021Observed: 9.04 ft at 7:00AM Jan 22, 2021Observed: 9.01 ft at 7:15AM Jan 22, 2021Observed: 9.03 ft at 7:30AM Jan 22, 2021Observed: 9.01 ft at 7:45AM Jan 22, 2021Observed: 9.02 ft at 8:00AM Jan 22, 2021Observed: 8.97 ft at 8:15AM Jan 22, 2021Observed: 8.96 ft at 8:30AM Jan 22, 2021Observed: 8.96 ft at 8:45AM Jan 22, 2021Observed: 8.94 ft at 9:00AM Jan 22, 2021Observed: 8.94 ft at 9:15AM Jan 22, 2021Observed: 8.93 ft at 9:30AM Jan 22, 2021Observed: 8.92 ft at 9:45AM Jan 22, 2021Observed: 8.9 ft at 10:00AM Jan 22, 2021Observed: 8.87 ft at 10:15AM Jan 22, 2021Observed: 8.86 ft at 10:30AM Jan 22, 2021Observed: 8.81 ft at 10:45AM Jan 22, 2021Observed: 8.86 ft at 11:00AM Jan 22, 2021Observed: 8.83 ft at 11:15AM Jan 22, 2021Observed: 8.81 ft at 11:30AM Jan 22, 2021Observed: 8.8 ft at 11:45AM Jan 22, 2021Observed: 8.79 ft at 12:00PM Jan 22, 2021Observed: 8.79 ft at 12:01PM Jan 22, 2021Observed: 8.78 ft at 12:15PM Jan 22, 2021Observed: 8.78 ft at 12:16PM Jan 22, 2021Observed: 8.77 ft at 12:30PM Jan 22, 2021Observed: 8.77 ft at 12:31PM Jan 22, 2021Observed: 8.77 ft at 12:45PM Jan 22, 2021Observed: 8.74 ft at 1:00PM Jan 22, 2021Observed: 8.73 ft at 1:15PM Jan 22, 2021Observed: 8.77 ft at 1:30PM Jan 22, 2021Observed: 8.7 ft at 1:45PM Jan 22, 2021Observed: 8.74 ft at 2:00PM Jan 22, 2021Observed: 8.71 ft at 2:15PM Jan 22, 2021Observed: 8.71 ft at 2:30PM Jan 22, 2021Observed: 8.71 ft at 2:45PM Jan 22, 2021Observed: 8.69 ft at 3:00PM Jan 22, 2021Observed: 8.7 ft at 3:15PM Jan 22, 2021Observed: 8.69 ft at 3:30PM Jan 22, 2021Observed: 8.69 ft at 3:45PM Jan 22, 2021Observed: 8.72 ft at 4:00PM Jan 22, 2021Observed: 8.71 ft at 4:15PM Jan 22, 2021Observed: 8.71 ft at 4:30PM Jan 22, 2021Observed: 8.7 ft at 4:45PM Jan 22, 2021Observed: 8.7 ft at 5:00PM Jan 22, 2021Observed: 8.74 ft at 5:15PM Jan 22, 2021Observed: 8.72 ft at 5:30PM Jan 22, 2021Observed: 8.69 ft at 5:45PM Jan 22, 2021Observed: 8.73 ft at 6:00PM Jan 22, 2021Observed: 8.71 ft at 6:15PM Jan 22, 2021Observed: 8.71 ft at 6:30PM Jan 22, 2021Observed: 8.74 ft at 6:45PM Jan 22, 2021Observed: 8.73 ft at 7:00PM Jan 22, 2021Observed: 8.74 ft at 7:15PM Jan 22, 2021Observed: 8.72 ft at 7:30PM Jan 22, 2021Observed: 8.75 ft at 7:45PM Jan 22, 2021Observed: 8.77 ft at 8:00PM Jan 22, 2021Observed: 8.73 ft at 8:15PM Jan 22, 2021Observed: 8.74 ft at 8:30PM Jan 22, 2021Observed: 8.75 ft at 8:45PM Jan 22, 2021Observed: 8.77 ft at 9:00PM Jan 22, 2021Observed: 8.78 ft at 9:15PM Jan 22, 2021Observed: 8.76 ft at 9:30PM Jan 22, 2021Observed: 8.78 ft at 9:45PM Jan 22, 2021Observed: 8.8 ft at 10:00PM Jan 22, 2021Observed: 8.79 ft at 10:15PM Jan 22, 2021Observed: 8.78 ft at 10:30PM Jan 22, 2021Observed: 8.8 ft at 10:45PM Jan 22, 2021Observed: 8.78 ft at 11:00PM Jan 22, 2021Observed: 8.82 ft at 11:15PM Jan 22, 2021Observed: 8.77 ft at 11:30PM Jan 22, 2021Observed: 8.81 ft at 11:45PM Jan 22, 2021Observed: 8.82 ft at 12:00AM Jan 23, 2021Observed: 8.79 ft at 12:15AM Jan 23, 2021Observed: 8.78 ft at 12:30AM Jan 23, 2021Observed: 8.83 ft at 12:45AM Jan 23, 2021Observed: 8.81 ft at 1:00AM Jan 23, 2021Observed: 8.77 ft at 1:15AM Jan 23, 2021Observed: 8.8 ft at 1:30AM Jan 23, 2021Observed: 8.8 ft at 1:45AM Jan 23, 2021Observed: 8.78 ft at 2:00AM Jan 23, 2021Observed: 8.78 ft at 2:15AM Jan 23, 2021Observed: 8.77 ft at 2:30AM Jan 23, 2021Observed: 8.77 ft at 2:45AM Jan 23, 2021Observed: 8.77 ft at 3:00AM Jan 23, 2021Observed: 8.76 ft at 3:15AM Jan 23, 2021Observed: 8.75 ft at 3:30AM Jan 23, 2021Observed: 8.76 ft at 3:45AM Jan 23, 2021Observed: 8.75 ft at 4:00AM Jan 23, 2021Observed: 8.76 ft at 4:15AM Jan 23, 2021Observed: 8.73 ft at 4:30AM Jan 23, 2021Observed: 8.74 ft at 4:45AM Jan 23, 2021Observed: 8.73 ft at 5:00AM Jan 23, 2021Observed: 8.7 ft at 5:15AM Jan 23, 2021Observed: 8.73 ft at 5:30AM Jan 23, 2021Observed: 8.73 ft at 5:45AM Jan 23, 2021Observed: 8.7 ft at 6:00AM Jan 23, 2021Observed: 8.73 ft at 6:15AM Jan 23, 2021Observed: 8.74 ft at 6:30AM Jan 23, 2021Observed: 8.74 ft at 6:45AM Jan 23, 2021Observed: 8.75 ft at 7:00AM Jan 23, 2021Observed: 8.75 ft at 7:15AM Jan 23, 2021Observed: 8.76 ft at 7:30AM Jan 23, 2021Observed: 8.75 ft at 7:45AM Jan 23, 2021Observed: 8.76 ft at 8:00AM Jan 23, 2021Observed: 8.74 ft at 8:15AM Jan 23, 2021Observed: 8.73 ft at 8:30AM Jan 23, 2021Observed: 8.75 ft at 8:45AM Jan 23, 2021Observed: 8.73 ft at 9:00AM Jan 23, 2021Observed: 8.75 ft at 9:15AM Jan 23, 2021Observed: 8.75 ft at 9:30AM Jan 23, 2021Observed: 8.75 ft at 9:45AM Jan 23, 2021Observed: 8.73 ft at 10:00AM Jan 23, 2021Observed: 8.77 ft at 10:15AM Jan 23, 2021Observed: 8.72 ft at 10:30AM Jan 23, 2021Observed: 8.71 ft at 10:45AM Jan 23, 2021Observed: 8.72 ft at 11:00AM Jan 23, 2021Observed: 8.7 ft at 11:15AM Jan 23, 2021Observed: 8.73 ft at 11:30AM Jan 23, 2021Observed: 8.73 ft at 11:45AM Jan 23, 2021Observed: 8.71 ft at 12:00PM Jan 23, 2021Observed: 8.72 ft at 12:15PM Jan 23, 2021Observed: 8.71 ft at 12:30PM Jan 23, 2021Observed: 8.71 ft at 12:45PM Jan 23, 2021Observed: 8.72 ft at 1:00PM Jan 23, 2021Observed: 8.73 ft at 1:15PM Jan 23, 2021Observed: 8.72 ft at 1:30PM Jan 23, 2021Observed: 8.75 ft at 1:45PM Jan 23, 2021Observed: 8.74 ft at 2:00PM Jan 23, 2021Observed: 8.74 ft at 2:15PM Jan 23, 2021Observed: 8.73 ft at 2:30PM Jan 23, 2021Observed: 8.76 ft at 2:45PM Jan 23, 2021Observed: 8.77 ft at 3:00PM Jan 23, 2021Observed: 8.76 ft at 3:15PM Jan 23, 2021Observed: 8.76 ft at 3:30PM Jan 23, 2021Observed: 8.76 ft at 3:45PM Jan 23, 2021Observed: 8.75 ft at 4:00PM Jan 23, 2021Observed: 8.82 ft at 4:15PM Jan 23, 2021Observed: 8.8 ft at 4:30PM Jan 23, 2021Observed: 8.77 ft at 4:45PM Jan 23, 2021Observed: 8.8 ft at 5:00PM Jan 23, 2021Observed: 8.78 ft at 5:15PM Jan 23, 2021Observed: 8.81 ft at 5:30PM Jan 23, 2021Observed: 8.83 ft at 5:45PM Jan 23, 2021Observed: 8.83 ft at 6:00PM Jan 23, 2021Observed: 8.84 ft at 6:15PM Jan 23, 2021Observed: 8.85 ft at 6:30PM Jan 23, 2021Observed: 8.87 ft at 6:45PM Jan 23, 2021Observed: 8.88 ft at 7:00PM Jan 23, 2021Observed: 8.89 ft at 7:15PM Jan 23, 2021Observed: 8.9 ft at 7:30PM Jan 23, 2021Observed: 8.88 ft at 7:45PM Jan 23, 2021Observed: 8.91 ft at 8:00PM Jan 23, 2021Observed: 8.94 ft at 8:15PM Jan 23, 2021Observed: 8.97 ft at 8:30PM Jan 23, 2021Observed: 8.91 ft at 8:45PM Jan 23, 2021Observed: 8.95 ft at 9:00PM Jan 23, 2021Observed: 8.94 ft at 9:15PM Jan 23, 2021Observed: 8.96 ft at 9:30PM Jan 23, 2021Observed: 8.94 ft at 9:45PM Jan 23, 2021Observed: 8.93 ft at 10:00PM Jan 23, 2021Observed: 8.93 ft at 10:15PM Jan 23, 2021Observed: 8.93 ft at 10:30PM Jan 23, 2021Observed: 8.94 ft at 10:45PM Jan 23, 2021Observed: 8.92 ft at 11:00PM Jan 23, 2021Observed: 8.94 ft at 11:15PM Jan 23, 2021Observed: 8.91 ft at 11:30PM Jan 23, 2021Observed: 8.93 ft at 11:45PM Jan 23, 2021Observed: 8.95 ft at 12:00AM Jan 24, 2021Observed: 8.9 ft at 12:15AM Jan 24, 2021Observed: 8.91 ft at 12:30AM Jan 24, 2021Observed: 8.94 ft at 12:45AM Jan 24, 2021Observed: 8.91 ft at 1:00AM Jan 24, 2021Observed: 8.89 ft at 1:15AM Jan 24, 2021Observed: 8.91 ft at 1:30AM Jan 24, 2021Observed: 8.92 ft at 1:45AM Jan 24, 2021Observed: 8.94 ft at 2:00AM Jan 24, 2021Observed: 8.92 ft at 2:15AM Jan 24, 2021Observed: 8.92 ft at 2:30AM Jan 24, 2021Observed: 8.92 ft at 2:45AM Jan 24, 2021Observed: 8.93 ft at 3:00AM Jan 24, 2021Observed: 8.94 ft at 3:15AM Jan 24, 2021Observed: 8.92 ft at 3:30AM Jan 24, 2021Observed: 8.96 ft at 3:45AM Jan 24, 2021Observed: 8.94 ft at 4:00AM Jan 24, 2021Observed: 8.94 ft at 4:01AM Jan 24, 2021Observed: 8.94 ft at 4:15AM Jan 24, 2021Observed: 8.94 ft at 4:16AM Jan 24, 2021Observed: 8.9 ft at 4:30AM Jan 24, 2021Observed: 8.9 ft at 4:31AM Jan 24, 2021Observed: 8.92 ft at 4:45AM Jan 24, 2021Observed: 8.93 ft at 5:00AM Jan 24, 2021Observed: 8.94 ft at 5:15AM Jan 24, 2021Observed: 8.93 ft at 5:30AM Jan 24, 2021Observed: 8.89 ft at 5:45AM Jan 24, 2021Observed: 8.91 ft at 6:00AM Jan 24, 2021Observed: 8.9 ft at 6:15AM Jan 24, 2021Observed: 8.92 ft at 6:30AM Jan 24, 2021Observed: 8.94 ft at 6:45AM Jan 24, 2021Observed: 8.93 ft at 7:00AM Jan 24, 2021Observed: 8.94 ft at 7:15AM Jan 24, 2021Observed: 8.95 ft at 7:30AM Jan 24, 2021Observed: 8.91 ft at 7:45AM Jan 24, 2021Observed: 8.93 ft at 8:00AM Jan 24, 2021Observed: 8.94 ft at 8:15AM Jan 24, 2021Observed: 8.92 ft at 8:30AM Jan 24, 2021Observed: 8.95 ft at 8:45AM Jan 24, 2021Observed: 8.94 ft at 9:00AM Jan 24, 2021Observed: 8.96 ft at 9:15AM Jan 24, 2021Observed: 8.94 ft at 9:30AM Jan 24, 2021Observed: 8.93 ft at 9:45AM Jan 24, 2021Observed: 8.94 ft at 10:00AM Jan 24, 2021Observed: 8.91 ft at 10:15AM Jan 24, 2021Observed: 8.92 ft at 10:30AM Jan 24, 2021Observed: 8.96 ft at 10:45AM Jan 24, 2021Observed: 8.94 ft at 11:00AM Jan 24, 2021Observed: 8.9 ft at 11:15AM Jan 24, 2021Observed: 8.93 ft at 11:30AM Jan 24, 2021Observed: 8.91 ft at 11:45AM Jan 24, 2021Observed: 8.91 ft at 12:00PM Jan 24, 2021Observed: 8.91 ft at 12:01PM Jan 24, 2021Observed: 8.95 ft at 12:15PM Jan 24, 2021Observed: 8.95 ft at 12:16PM Jan 24, 2021Observed: 8.93 ft at 12:30PM Jan 24, 2021Observed: 8.93 ft at 12:31PM Jan 24, 2021Observed: 8.9 ft at 12:45PM Jan 24, 2021Observed: 8.94 ft at 1:00PM Jan 24, 2021Observed: 8.93 ft at 1:15PM Jan 24, 2021Observed: 8.94 ft at 1:30PM Jan 24, 2021Observed: 8.92 ft at 1:45PM Jan 24, 2021Observed: 8.94 ft at 2:00PM Jan 24, 2021Observed: 8.91 ft at 2:15PM Jan 24, 2021Observed: 8.93 ft at 2:30PM Jan 24, 2021Observed: 8.93 ft at 2:45PM Jan 24, 2021Observed: 8.94 ft at 3:00PM Jan 24, 2021Observed: 8.95 ft at 3:15PM Jan 24, 2021Observed: 8.93 ft at 3:30PM Jan 24, 2021Observed: 8.95 ft at 3:45PM Jan 24, 2021Observed: 8.94 ft at 4:00PM Jan 24, 2021Observed: 8.97 ft at 4:15PM Jan 24, 2021Observed: 8.98 ft at 4:30PM Jan 24, 2021Observed: 8.99 ft at 4:45PM Jan 24, 2021Observed: 8.99 ft at 5:00PM Jan 24, 2021Observed: 8.97 ft at 5:15PM Jan 24, 2021Observed: 9.01 ft at 5:30PM Jan 24, 2021Observed: 9.01 ft at 5:45PM Jan 24, 2021Observed: 8.99 ft at 6:00PM Jan 24, 2021Observed: 9.04 ft at 6:15PM Jan 24, 2021Observed: 9.05 ft at 6:30PM Jan 24, 2021Observed: 9.05 ft at 6:45PM Jan 24, 2021Observed: 9.03 ft at 7:00PM Jan 24, 2021Observed: 9.06 ft at 7:15PM Jan 24, 2021Observed: 9.07 ft at 7:30PM Jan 24, 2021Observed: 9.08 ft at 7:45PM Jan 24, 2021Observed: 9.09 ft at 8:00PM Jan 24, 2021Observed: 9.07 ft at 8:15PM Jan 24, 2021Observed: 9.07 ft at 8:17PM Jan 24, 2021Observed: 9.09 ft at 8:30PM Jan 24, 2021Observed: 9.09 ft at 8:32PM Jan 24, 2021Observed: 9.1 ft at 8:45PM Jan 24, 2021Observed: 9.1 ft at 8:47PM Jan 24, 2021Observed: 9.12 ft at 9:00PM Jan 24, 2021Observed: 9.1 ft at 9:15PM Jan 24, 2021Observed: 9.09 ft at 9:30PM Jan 24, 2021Observed: 9.11 ft at 9:45PM Jan 24, 2021Observed: 9.13 ft at 10:00PM Jan 24, 2021Observed: 9.09 ft at 10:15PM Jan 24, 2021Observed: 9.12 ft at 10:30PM Jan 24, 2021Observed: 9.11 ft at 10:45PM Jan 24, 2021Observed: 9.13 ft at 11:00PM Jan 24, 2021Observed: 9.1 ft at 11:15PM Jan 24, 2021Observed: 9.11 ft at 11:30PM Jan 24, 2021Observed: 9.1 ft at 11:45PM Jan 24, 2021Observed: 9.1 ft at 12:00AM Jan 25, 2021Observed: 9.13 ft at 12:15AM Jan 25, 2021Observed: 9.07 ft at 12:30AM Jan 25, 2021Observed: 9.11 ft at 12:45AM Jan 25, 2021Observed: 9.09 ft at 1:00AM Jan 25, 2021Observed: 9.07 ft at 1:15AM Jan 25, 2021Observed: 9.08 ft at 1:30AM Jan 25, 2021Observed: 9.07 ft at 1:45AM Jan 25, 2021Observed: 9.06 ft at 2:00AM Jan 25, 2021Observed: 9.08 ft at 2:15AM Jan 25, 2021Observed: 9.06 ft at 2:30AM Jan 25, 2021Observed: 9.04 ft at 2:45AM Jan 25, 2021Observed: 9.08 ft at 3:00AM Jan 25, 2021Observed: 9.04 ft at 3:15AM Jan 25, 2021Observed: 9.04 ft at 3:30AM Jan 25, 2021Observed: 9 ft at 3:45AM Jan 25, 2021Observed: 9.01 ft at 4:00AM Jan 25, 2021Observed: 9.04 ft at 4:15AM Jan 25, 2021Observed: 9.04 ft at 4:17AM Jan 25, 2021Observed: 9.02 ft at 4:30AM Jan 25, 2021Observed: 9.02 ft at 4:32AM Jan 25, 2021Observed: 8.98 ft at 4:45AM Jan 25, 2021Observed: 8.98 ft at 4:47AM Jan 25, 2021Observed: 8.98 ft at 5:00AM Jan 25, 2021Observed: 8.98 ft at 5:15AM Jan 25, 2021Observed: 8.95 ft at 5:30AM Jan 25, 2021Observed: 8.96 ft at 5:45AM Jan 25, 2021Observed: 8.96 ft at 6:00AM Jan 25, 2021Observed: 8.98 ft at 6:15AM Jan 25, 2021Observed: 8.97 ft at 6:30AM Jan 25, 2021Observed: 8.95 ft at 6:45AM Jan 25, 2021Observed: 8.9 ft at 7:00AM Jan 25, 2021Observed: 8.95 ft at 7:15AM Jan 25, 2021Observed: 8.88 ft at 7:30AM Jan 25, 2021Observed: 8.9 ft at 7:45AM Jan 25, 2021Observed: 8.91 ft at 8:00AM Jan 25, 2021Observed: 8.9 ft at 8:15AM Jan 25, 2021Observed: 8.9 ft at 8:30AM Jan 25, 2021Observed: 8.9 ft at 8:45AM Jan 25, 2021Observed: 8.86 ft at 9:00AM Jan 25, 2021Observed: 8.85 ft at 9:15AM Jan 25, 2021Observed: 8.84 ft at 9:30AM Jan 25, 2021Observed: 8.86 ft at 9:45AM Jan 25, 2021Observed: 8.85 ft at 10:00AM Jan 25, 2021Observed: 8.84 ft at 10:15AM Jan 25, 2021Observed: 8.85 ft at 10:30AM Jan 25, 2021Observed: 8.81 ft at 10:45AM Jan 25, 2021Observed: 8.79 ft at 11:00AM Jan 25, 2021Observed: 8.83 ft at 11:15AM Jan 25, 2021Observed: 8.81 ft at 11:30AM Jan 25, 2021USGS--Water Resources of the United StatesSXCI4(plotting HGIRG) Graph Created (12:04PM Jan 25, 2021)ObservedLatest observed value: 8.81 ft at 11:30 AM CST 25-Jan-2021. Flood Stage is 32 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts for the Big Sioux River at Sioux City are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Jefferson Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 41
Moderate Flood Stage: 38
Flood Stage: 32
Action Stage: 29
Low Stage (in feet): -9999

Historic Crests
(1) 37.70 ft on 06/20/2014
(2) 37.46 ft on 03/17/2019
(3) 30.50 ft on 06/25/2018 (P)
(4) 19.04 ft on 05/04/2016
(5) 17.73 ft on 05/26/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 37.46 ft on 03/17/2019
(2) 30.50 ft on 06/25/2018 (P)
(3) 17.73 ft on 05/26/2017
(4) 19.04 ft on 05/04/2016
(5) 15.09 ft on 07/10/2015
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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 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
43.5 the lower levees in the Iowa Riverside community are in danger of being overtopped if not sandbagged.
41 sandbagging is needed to protect Interstate 29 from flooding.
38 most of the storm drains are submerged.
32 agricultural land north of the leveed area begins to flood.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 42.524444° N, Longitude: 96.480000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 32 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 1060.00 1092.00 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
Flood stage and impact levels have recently changed due to a change in the zero datum for this gauge. How low could the river get?
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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