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Hydrograph River at a Glance Download
Big Sioux River at Sioux City Stage (ft)Flow (kcfs)Observed: 18.4 ft at 7:15PM Mar 26, 2020Observed: 18.41 ft at 7:30PM Mar 26, 2020Observed: 18.39 ft at 7:45PM Mar 26, 2020Observed: 18.39 ft at 8:00PM Mar 26, 2020Observed: 18.41 ft at 8:15PM Mar 26, 2020Observed: 18.37 ft at 8:30PM Mar 26, 2020Observed: 18.4 ft at 8:45PM Mar 26, 2020Observed: 18.39 ft at 9:00PM Mar 26, 2020Observed: 18.4 ft at 9:15PM Mar 26, 2020Observed: 18.38 ft at 9:30PM Mar 26, 2020Observed: 18.4 ft at 9:45PM Mar 26, 2020Observed: 18.39 ft at 10:00PM Mar 26, 2020Observed: 18.39 ft at 10:15PM Mar 26, 2020Observed: 18.4 ft at 10:30PM Mar 26, 2020Observed: 18.39 ft at 10:45PM Mar 26, 2020Observed: 18.41 ft at 11:00PM Mar 26, 2020Observed: 18.4 ft at 11:15PM Mar 26, 2020Observed: 18.39 ft at 11:30PM Mar 26, 2020Observed: 18.41 ft at 11:45PM Mar 26, 2020Observed: 18.4 ft at 12:00AM Mar 27, 2020Observed: 18.39 ft at 12:15AM Mar 27, 2020Observed: 18.41 ft at 12:30AM Mar 27, 2020Observed: 18.39 ft at 12:45AM Mar 27, 2020Observed: 18.41 ft at 1:00AM Mar 27, 2020Observed: 18.41 ft at 1:15AM Mar 27, 2020Observed: 18.39 ft at 1:30AM Mar 27, 2020Observed: 18.41 ft at 1:45AM Mar 27, 2020Observed: 18.4 ft at 2:00AM Mar 27, 2020Observed: 18.41 ft at 2:15AM Mar 27, 2020Observed: 18.41 ft at 2:30AM Mar 27, 2020Observed: 18.37 ft at 2:45AM Mar 27, 2020Observed: 18.39 ft at 3:00AM Mar 27, 2020Observed: 18.39 ft at 3:15AM Mar 27, 2020Observed: 18.37 ft at 3:30AM Mar 27, 2020Observed: 18.37 ft at 3:45AM Mar 27, 2020Observed: 18.38 ft at 4:00AM Mar 27, 2020Observed: 18.35 ft at 4:15AM Mar 27, 2020Observed: 18.37 ft at 4:30AM Mar 27, 2020Observed: 18.36 ft at 4:45AM Mar 27, 2020Observed: 18.37 ft at 5:00AM Mar 27, 2020Observed: 18.38 ft at 5:15AM Mar 27, 2020Observed: 18.35 ft at 5:30AM Mar 27, 2020Observed: 18.37 ft at 5:45AM Mar 27, 2020Observed: 18.37 ft at 6:00AM Mar 27, 2020Observed: 18.36 ft at 6:15AM Mar 27, 2020Observed: 18.36 ft at 6:16AM Mar 27, 2020Observed: 18.37 ft at 6:30AM Mar 27, 2020Observed: 18.37 ft at 6:31AM Mar 27, 2020Observed: 18.37 ft at 6:45AM Mar 27, 2020Observed: 18.37 ft at 6:46AM Mar 27, 2020Observed: 18.36 ft at 7:00AM Mar 27, 2020Observed: 18.38 ft at 7:15AM Mar 27, 2020Observed: 18.37 ft at 7:30AM Mar 27, 2020Observed: 18.37 ft at 7:45AM Mar 27, 2020Observed: 18.36 ft at 8:00AM Mar 27, 2020Observed: 18.34 ft at 8:15AM Mar 27, 2020Observed: 18.38 ft at 8:30AM Mar 27, 2020Observed: 18.34 ft at 8:45AM Mar 27, 2020Observed: 18.34 ft at 9:00AM Mar 27, 2020Observed: 18.37 ft at 9:15AM Mar 27, 2020Observed: 18.34 ft at 9:30AM Mar 27, 2020Observed: 18.35 ft at 9:45AM Mar 27, 2020Observed: 18.34 ft at 10:00AM Mar 27, 2020Observed: 18.35 ft at 10:15AM Mar 27, 2020Observed: 18.37 ft at 10:30AM Mar 27, 2020Observed: 18.36 ft at 10:45AM Mar 27, 2020Observed: 18.35 ft at 11:00AM Mar 27, 2020Observed: 18.36 ft at 11:15AM Mar 27, 2020Observed: 18.35 ft at 11:30AM Mar 27, 2020Observed: 18.34 ft at 11:45AM Mar 27, 2020Observed: 18.35 ft at 12:00PM Mar 27, 2020Observed: 18.35 ft at 12:15PM Mar 27, 2020Observed: 18.34 ft at 12:30PM Mar 27, 2020Observed: 18.36 ft at 12:45PM Mar 27, 2020Observed: 18.32 ft at 1:00PM Mar 27, 2020Observed: 18.34 ft at 1:15PM Mar 27, 2020Observed: 18.33 ft at 1:30PM Mar 27, 2020Observed: 18.37 ft at 1:45PM Mar 27, 2020Observed: 18.34 ft at 2:00PM Mar 27, 2020Observed: 18.35 ft at 2:15PM Mar 27, 2020Observed: 18.35 ft at 2:17PM Mar 27, 2020Observed: 18.36 ft at 2:30PM Mar 27, 2020Observed: 18.36 ft at 2:32PM Mar 27, 2020Observed: 18.35 ft at 2:45PM Mar 27, 2020Observed: 18.35 ft at 2:47PM Mar 27, 2020Observed: 18.36 ft at 3:00PM Mar 27, 2020Observed: 18.33 ft at 3:15PM Mar 27, 2020Observed: 18.33 ft at 3:30PM Mar 27, 2020Observed: 18.34 ft at 3:45PM Mar 27, 2020Observed: 18.34 ft at 4:00PM Mar 27, 2020Observed: 18.32 ft at 4:15PM Mar 27, 2020Observed: 18.33 ft at 4:30PM Mar 27, 2020Observed: 18.33 ft at 4:45PM Mar 27, 2020Observed: 18.34 ft at 5:00PM Mar 27, 2020Observed: 18.32 ft at 5:15PM Mar 27, 2020Observed: 18.35 ft at 5:30PM Mar 27, 2020Observed: 18.32 ft at 5:45PM Mar 27, 2020Observed: 18.32 ft at 6:00PM Mar 27, 2020Observed: 18.31 ft at 6:15PM Mar 27, 2020Observed: 18.34 ft at 6:30PM Mar 27, 2020Observed: 18.34 ft at 6:45PM Mar 27, 2020Observed: 18.32 ft at 7:00PM Mar 27, 2020Observed: 18.32 ft at 7:15PM Mar 27, 2020Observed: 18.29 ft at 7:30PM Mar 27, 2020Observed: 18.31 ft at 7:45PM Mar 27, 2020Observed: 18.3 ft at 8:00PM Mar 27, 2020Observed: 18.31 ft at 8:15PM Mar 27, 2020Observed: 18.33 ft at 8:30PM Mar 27, 2020Observed: 18.33 ft at 8:45PM Mar 27, 2020Observed: 18.33 ft at 9:00PM Mar 27, 2020Observed: 18.32 ft at 9:15PM Mar 27, 2020Observed: 18.31 ft at 9:30PM Mar 27, 2020Observed: 18.3 ft at 9:45PM Mar 27, 2020Observed: 18.33 ft at 10:00PM Mar 27, 2020Observed: 18.31 ft at 10:15PM Mar 27, 2020Observed: 18.31 ft at 10:16PM Mar 27, 2020Observed: 18.31 ft at 10:30PM Mar 27, 2020Observed: 18.31 ft at 10:31PM Mar 27, 2020Observed: 18.3 ft at 10:45PM Mar 27, 2020Observed: 18.3 ft at 10:46PM Mar 27, 2020Observed: 18.32 ft at 11:00PM Mar 27, 2020Observed: 18.32 ft at 11:15PM Mar 27, 2020Observed: 18.3 ft at 11:30PM Mar 27, 2020Observed: 18.3 ft at 11:45PM Mar 27, 2020Observed: 18.31 ft at 12:00AM Mar 28, 2020Observed: 18.31 ft at 12:15AM Mar 28, 2020Observed: 18.31 ft at 12:30AM Mar 28, 2020Observed: 18.31 ft at 12:45AM Mar 28, 2020Observed: 18.32 ft at 1:00AM Mar 28, 2020Observed: 18.29 ft at 1:15AM Mar 28, 2020Observed: 18.31 ft at 1:30AM Mar 28, 2020Observed: 18.3 ft at 1:45AM Mar 28, 2020Observed: 18.3 ft at 2:00AM Mar 28, 2020Observed: 18.32 ft at 2:15AM Mar 28, 2020Observed: 18.31 ft at 2:30AM Mar 28, 2020Observed: 18.3 ft at 2:45AM Mar 28, 2020Observed: 18.3 ft at 3:00AM Mar 28, 2020Observed: 18.32 ft at 3:15AM Mar 28, 2020Observed: 18.31 ft at 3:30AM Mar 28, 2020Observed: 18.32 ft at 3:45AM Mar 28, 2020Observed: 18.34 ft at 4:00AM Mar 28, 2020Observed: 18.31 ft at 4:15AM Mar 28, 2020Observed: 18.32 ft at 4:30AM Mar 28, 2020Observed: 18.33 ft at 4:45AM Mar 28, 2020Observed: 18.3 ft at 5:00AM Mar 28, 2020Observed: 18.32 ft at 5:15AM Mar 28, 2020Observed: 18.32 ft at 5:30AM Mar 28, 2020Observed: 18.32 ft at 5:45AM Mar 28, 2020Observed: 18.31 ft at 6:00AM Mar 28, 2020Observed: 18.33 ft at 6:15AM Mar 28, 2020Observed: 18.33 ft at 6:17AM Mar 28, 2020Observed: 18.33 ft at 6:30AM Mar 28, 2020Observed: 18.33 ft at 6:32AM Mar 28, 2020Observed: 18.35 ft at 6:45AM Mar 28, 2020Observed: 18.35 ft at 6:47AM Mar 28, 2020Observed: 18.32 ft at 7:00AM Mar 28, 2020Observed: 18.33 ft at 7:15AM Mar 28, 2020Observed: 18.31 ft at 7:30AM Mar 28, 2020Observed: 18.3 ft at 7:45AM Mar 28, 2020Observed: 18.33 ft at 8:00AM Mar 28, 2020Observed: 18.32 ft at 8:15AM Mar 28, 2020Observed: 18.31 ft at 8:30AM Mar 28, 2020Observed: 18.31 ft at 8:45AM Mar 28, 2020Observed: 18.32 ft at 9:00AM Mar 28, 2020Observed: 18.35 ft at 9:15AM Mar 28, 2020Observed: 18.3 ft at 9:30AM Mar 28, 2020Observed: 18.32 ft at 9:45AM Mar 28, 2020Observed: 18.32 ft at 10:00AM Mar 28, 2020Observed: 18.31 ft at 10:15AM Mar 28, 2020Observed: 18.3 ft at 10:30AM Mar 28, 2020Observed: 18.3 ft at 10:45AM Mar 28, 2020Observed: 18.32 ft at 11:00AM Mar 28, 2020Observed: 18.3 ft at 11:15AM Mar 28, 2020Observed: 18.3 ft at 11:30AM Mar 28, 2020Observed: 18.3 ft at 11:45AM Mar 28, 2020Observed: 18.32 ft at 12:00PM Mar 28, 2020Observed: 18.31 ft at 12:15PM Mar 28, 2020Observed: 18.31 ft at 12:30PM Mar 28, 2020Observed: 18.3 ft at 12:45PM Mar 28, 2020Observed: 18.33 ft at 1:00PM Mar 28, 2020Observed: 18.32 ft at 1:15PM Mar 28, 2020Observed: 18.33 ft at 1:30PM Mar 28, 2020Observed: 18.38 ft at 1:45PM Mar 28, 2020Observed: 18.35 ft at 2:00PM Mar 28, 2020Observed: 18.38 ft at 2:15PM Mar 28, 2020Observed: 18.38 ft at 2:17PM Mar 28, 2020Observed: 18.41 ft at 2:30PM Mar 28, 2020Observed: 18.41 ft at 2:32PM Mar 28, 2020Observed: 18.37 ft at 2:45PM Mar 28, 2020Observed: 18.37 ft at 2:47PM Mar 28, 2020Observed: 18.34 ft at 3:00PM Mar 28, 2020Observed: 18.38 ft at 3:15PM Mar 28, 2020Observed: 18.35 ft at 3:30PM Mar 28, 2020Observed: 18.38 ft at 3:45PM Mar 28, 2020Observed: 18.39 ft at 4:00PM Mar 28, 2020Observed: 18.39 ft at 4:15PM Mar 28, 2020Observed: 18.38 ft at 4:30PM Mar 28, 2020Observed: 18.39 ft at 4:45PM Mar 28, 2020Observed: 18.38 ft at 5:00PM Mar 28, 2020Observed: 18.36 ft at 5:15PM Mar 28, 2020Observed: 18.39 ft at 5:30PM Mar 28, 2020Observed: 18.42 ft at 5:45PM Mar 28, 2020Observed: 18.39 ft at 6:00PM Mar 28, 2020Observed: 18.36 ft at 6:15PM Mar 28, 2020Observed: 18.4 ft at 6:30PM Mar 28, 2020Observed: 18.41 ft at 6:45PM Mar 28, 2020Observed: 18.43 ft at 7:00PM Mar 28, 2020Observed: 18.45 ft at 7:15PM Mar 28, 2020Observed: 18.45 ft at 7:30PM Mar 28, 2020Observed: 18.45 ft at 7:45PM Mar 28, 2020Observed: 18.49 ft at 8:00PM Mar 28, 2020Observed: 18.47 ft at 8:15PM Mar 28, 2020Observed: 18.47 ft at 8:30PM Mar 28, 2020Observed: 18.45 ft at 8:45PM Mar 28, 2020Observed: 18.48 ft at 9:00PM Mar 28, 2020Observed: 18.51 ft at 9:15PM Mar 28, 2020Observed: 18.53 ft at 9:30PM Mar 28, 2020Observed: 18.52 ft at 9:45PM Mar 28, 2020Observed: 18.57 ft at 10:00PM Mar 28, 2020Observed: 18.56 ft at 10:15PM Mar 28, 2020Observed: 18.56 ft at 10:16PM Mar 28, 2020Observed: 18.59 ft at 10:30PM Mar 28, 2020Observed: 18.59 ft at 10:31PM Mar 28, 2020Observed: 18.57 ft at 10:45PM Mar 28, 2020Observed: 18.57 ft at 10:46PM Mar 28, 2020Observed: 18.59 ft at 11:00PM Mar 28, 2020Observed: 18.6 ft at 11:15PM Mar 28, 2020Observed: 18.62 ft at 11:30PM Mar 28, 2020Observed: 18.63 ft at 11:45PM Mar 28, 2020Observed: 18.64 ft at 12:00AM Mar 29, 2020Observed: 18.66 ft at 12:15AM Mar 29, 2020Observed: 18.66 ft at 12:30AM Mar 29, 2020Observed: 18.7 ft at 12:45AM Mar 29, 2020Observed: 18.7 ft at 1:00AM Mar 29, 2020Observed: 18.7 ft at 1:15AM Mar 29, 2020Observed: 18.72 ft at 1:30AM Mar 29, 2020Observed: 18.72 ft at 1:45AM Mar 29, 2020Observed: 18.73 ft at 2:00AM Mar 29, 2020Observed: 18.77 ft at 2:15AM Mar 29, 2020Observed: 18.8 ft at 2:30AM Mar 29, 2020Observed: 18.81 ft at 2:45AM Mar 29, 2020Observed: 18.83 ft at 3:00AM Mar 29, 2020Observed: 18.84 ft at 3:15AM Mar 29, 2020Observed: 18.88 ft at 3:30AM Mar 29, 2020Observed: 18.86 ft at 3:45AM Mar 29, 2020Observed: 18.87 ft at 4:00AM Mar 29, 2020Observed: 18.89 ft at 4:15AM Mar 29, 2020Observed: 18.91 ft at 4:30AM Mar 29, 2020Observed: 18.9 ft at 4:45AM Mar 29, 2020Observed: 18.94 ft at 5:00AM Mar 29, 2020Observed: 18.96 ft at 5:15AM Mar 29, 2020Observed: 18.97 ft at 5:30AM Mar 29, 2020Observed: 18.98 ft at 5:45AM Mar 29, 2020Observed: 18.98 ft at 6:00AM Mar 29, 2020Observed: 19 ft at 6:15AM Mar 29, 2020Observed: 19 ft at 6:16AM Mar 29, 2020Observed: 19 ft at 6:30AM Mar 29, 2020Observed: 19 ft at 6:31AM Mar 29, 2020Observed: 19.01 ft at 6:45AM Mar 29, 2020Observed: 19.01 ft at 6:46AM Mar 29, 2020Observed: 19.01 ft at 7:00AM Mar 29, 2020Observed: 19.04 ft at 7:15AM Mar 29, 2020Observed: 19.05 ft at 7:30AM Mar 29, 2020Observed: 19.08 ft at 7:45AM Mar 29, 2020Observed: 19.09 ft at 8:00AM Mar 29, 2020Observed: 19.08 ft at 8:15AM Mar 29, 2020Observed: 19.1 ft at 8:30AM Mar 29, 2020Observed: 19.07 ft at 8:45AM Mar 29, 2020Observed: 19.11 ft at 9:00AM Mar 29, 2020Observed: 19.12 ft at 9:15AM Mar 29, 2020Observed: 19.12 ft at 9:30AM Mar 29, 2020Observed: 19.15 ft at 9:45AM Mar 29, 2020Observed: 19.13 ft at 10:00AM Mar 29, 2020Observed: 19.17 ft at 10:15AM Mar 29, 2020Observed: 19.18 ft at 10:30AM Mar 29, 2020Observed: 19.15 ft at 10:45AM Mar 29, 2020Observed: 19.18 ft at 11:00AM Mar 29, 2020Observed: 19.15 ft at 11:15AM Mar 29, 2020Observed: 19.22 ft at 11:30AM Mar 29, 2020Observed: 19.23 ft at 11:45AM Mar 29, 2020Observed: 19.25 ft at 12:00PM Mar 29, 2020Observed: 19.25 ft at 12:15PM Mar 29, 2020Observed: 19.24 ft at 12:30PM Mar 29, 2020Observed: 19.29 ft at 12:45PM Mar 29, 2020Observed: 19.28 ft at 1:00PM Mar 29, 2020Observed: 19.28 ft at 1:15PM Mar 29, 2020Observed: 19.25 ft at 1:30PM Mar 29, 2020Observed: 19.3 ft at 1:45PM Mar 29, 2020Observed: 19.32 ft at 2:00PM Mar 29, 2020Observed: 19.3 ft at 2:15PM Mar 29, 2020Observed: 19.3 ft at 2:16PM Mar 29, 2020Observed: 19.33 ft at 2:30PM Mar 29, 2020Observed: 19.33 ft at 2:31PM Mar 29, 2020Observed: 19.35 ft at 2:45PM Mar 29, 2020Observed: 19.35 ft at 2:46PM Mar 29, 2020Observed: 19.36 ft at 3:00PM Mar 29, 2020Observed: 19.3 ft at 3:15PM Mar 29, 2020Observed: 19.37 ft at 3:30PM Mar 29, 2020Observed: 19.39 ft at 3:45PM Mar 29, 2020Observed: 19.4 ft at 4:00PM Mar 29, 2020Observed: 19.4 ft at 4:15PM Mar 29, 2020Observed: 19.4 ft at 4:30PM Mar 29, 2020Observed: 19.43 ft at 4:45PM Mar 29, 2020Observed: 19.44 ft at 5:00PM Mar 29, 2020Observed: 19.42 ft at 5:15PM Mar 29, 2020Observed: 19.45 ft at 5:30PM Mar 29, 2020Observed: 19.44 ft at 5:45PM Mar 29, 2020Observed: 19.46 ft at 6:00PM Mar 29, 2020Observed: 19.47 ft at 6:15PM Mar 29, 2020Observed: 19.46 ft at 6:30PM Mar 29, 2020Observed: 19.48 ft at 6:45PM Mar 29, 2020Observed: 19.48 ft at 7:00PM Mar 29, 2020Observed: 19.5 ft at 7:15PM Mar 29, 2020Observed: 19.53 ft at 7:30PM Mar 29, 2020Observed: 19.49 ft at 7:45PM Mar 29, 2020Observed: 19.51 ft at 8:00PM Mar 29, 2020Observed: 19.5 ft at 8:15PM Mar 29, 2020Observed: 19.53 ft at 8:30PM Mar 29, 2020Observed: 19.53 ft at 8:45PM Mar 29, 2020Observed: 19.53 ft at 9:00PM Mar 29, 2020Observed: 19.52 ft at 9:15PM Mar 29, 2020Observed: 19.54 ft at 9:30PM Mar 29, 2020Observed: 19.53 ft at 9:45PM Mar 29, 2020Observed: 19.55 ft at 10:00PM Mar 29, 2020Observed: 19.55 ft at 10:15PM Mar 29, 2020Observed: 19.55 ft at 10:17PM Mar 29, 2020Observed: 19.56 ft at 10:30PM Mar 29, 2020Observed: 19.56 ft at 10:32PM Mar 29, 2020Observed: 19.56 ft at 10:45PM Mar 29, 2020Observed: 19.56 ft at 10:47PM Mar 29, 2020Observed: 19.57 ft at 11:00PM Mar 29, 2020Observed: 19.54 ft at 11:15PM Mar 29, 2020Observed: 19.55 ft at 11:30PM Mar 29, 2020Observed: 19.57 ft at 11:45PM Mar 29, 2020Observed: 19.57 ft at 12:00AM Mar 30, 2020Observed: 19.59 ft at 12:15AM Mar 30, 2020Observed: 19.57 ft at 12:30AM Mar 30, 2020Observed: 19.59 ft at 12:45AM Mar 30, 2020Observed: 19.59 ft at 1:00AM Mar 30, 2020Observed: 19.6 ft at 1:15AM Mar 30, 2020Observed: 19.6 ft at 1:30AM Mar 30, 2020Observed: 19.61 ft at 1:45AM Mar 30, 2020Observed: 19.62 ft at 2:00AM Mar 30, 2020Observed: 19.62 ft at 2:15AM Mar 30, 2020Observed: 19.63 ft at 2:30AM Mar 30, 2020Observed: 19.64 ft at 2:45AM Mar 30, 2020Observed: 19.62 ft at 3:00AM Mar 30, 2020Observed: 19.63 ft at 3:15AM Mar 30, 2020Observed: 19.65 ft at 3:30AM Mar 30, 2020Observed: 19.65 ft at 3:45AM Mar 30, 2020Observed: 19.63 ft at 4:00AM Mar 30, 2020Observed: 19.65 ft at 4:15AM Mar 30, 2020Observed: 19.65 ft at 4:30AM Mar 30, 2020Observed: 19.65 ft at 4:45AM Mar 30, 2020Observed: 19.67 ft at 5:00AM Mar 30, 2020Observed: 19.65 ft at 5:15AM Mar 30, 2020Observed: 19.66 ft at 5:30AM Mar 30, 2020Observed: 19.68 ft at 5:45AM Mar 30, 2020Observed: 19.68 ft at 6:00AM Mar 30, 2020Observed: 19.69 ft at 6:15AM Mar 30, 2020Observed: 19.69 ft at 6:30AM Mar 30, 2020Observed: 19.69 ft at 6:31AM Mar 30, 2020Observed: 19.71 ft at 6:45AM Mar 30, 2020Observed: 19.71 ft at 6:46AM Mar 30, 2020Observed: 19.71 ft at 7:00AM Mar 30, 2020Observed: 19.71 ft at 7:01AM Mar 30, 2020Observed: 19.72 ft at 7:15AM Mar 30, 2020Observed: 19.74 ft at 7:30AM Mar 30, 2020Observed: 19.73 ft at 7:45AM Mar 30, 2020Observed: 19.73 ft at 8:00AM Mar 30, 2020Observed: 19.73 ft at 8:15AM Mar 30, 2020Observed: 19.73 ft at 8:30AM Mar 30, 2020Observed: 19.74 ft at 8:45AM Mar 30, 2020Observed: 19.75 ft at 9:00AM Mar 30, 2020Observed: 19.76 ft at 9:15AM Mar 30, 2020Observed: 19.77 ft at 9:30AM Mar 30, 2020Observed: 19.77 ft at 9:45AM Mar 30, 2020Observed: 19.79 ft at 10:00AM Mar 30, 2020Observed: 19.81 ft at 10:15AM Mar 30, 2020Observed: 19.8 ft at 10:30AM Mar 30, 2020Observed: 19.83 ft at 10:45AM Mar 30, 2020Observed: 19.83 ft at 11:00AM Mar 30, 2020Observed: 19.83 ft at 11:15AM Mar 30, 2020Observed: 19.85 ft at 11:30AM Mar 30, 2020Observed: 19.86 ft at 11:45AM Mar 30, 2020Observed: 19.85 ft at 12:00PM Mar 30, 2020Observed: 19.86 ft at 12:15PM Mar 30, 2020Observed: 19.88 ft at 12:30PM Mar 30, 2020Observed: 19.87 ft at 12:45PM Mar 30, 2020Observed: 19.89 ft at 1:00PM Mar 30, 2020Observed: 19.88 ft at 1:15PM Mar 30, 2020Observed: 19.91 ft at 1:30PM Mar 30, 2020Observed: 19.91 ft at 1:45PM Mar 30, 2020Observed: 19.89 ft at 2:00PM Mar 30, 2020Observed: 19.93 ft at 2:15PM Mar 30, 2020Observed: 19.94 ft at 2:30PM Mar 30, 2020Observed: 19.94 ft at 2:31PM Mar 30, 2020Observed: 19.96 ft at 2:45PM Mar 30, 2020Observed: 19.96 ft at 2:46PM Mar 30, 2020Observed: 19.95 ft at 3:00PM Mar 30, 2020Observed: 19.95 ft at 3:01PM Mar 30, 2020Observed: 19.96 ft at 3:15PM Mar 30, 2020Observed: 19.96 ft at 3:30PM Mar 30, 2020Observed: 19.98 ft at 3:45PM Mar 30, 2020Observed: 19.98 ft at 4:00PM Mar 30, 2020Observed: 19.99 ft at 4:15PM Mar 30, 2020Observed: 20.01 ft at 4:30PM Mar 30, 2020Observed: 20.01 ft at 4:45PM Mar 30, 2020Observed: 20.03 ft at 5:00PM Mar 30, 2020Observed: 20.05 ft at 5:15PM Mar 30, 2020Observed: 20.03 ft at 5:30PM Mar 30, 2020Observed: 20.06 ft at 5:45PM Mar 30, 2020Observed: 20.06 ft at 6:00PM Mar 30, 2020Observed: 20.05 ft at 6:15PM Mar 30, 2020Observed: 20.09 ft at 6:30PM Mar 30, 2020Observed: 20.09 ft at 6:45PM Mar 30, 2020Observed: 20.09 ft at 7:00PM Mar 30, 2020Observed: 20.11 ft at 7:15PM Mar 30, 2020Observed: 20.12 ft at 7:30PM Mar 30, 2020Observed: 20.12 ft at 7:45PM Mar 30, 2020Observed: 20.15 ft at 8:00PM Mar 30, 2020Observed: 20.15 ft at 8:15PM Mar 30, 2020Observed: 20.16 ft at 8:30PM Mar 30, 2020Observed: 20.16 ft at 8:45PM Mar 30, 2020Observed: 20.18 ft at 9:00PM Mar 30, 2020Observed: 20.19 ft at 9:15PM Mar 30, 2020Observed: 20.19 ft at 9:30PM Mar 30, 2020Observed: 20.21 ft at 9:45PM Mar 30, 2020Observed: 20.2 ft at 10:00PM Mar 30, 2020Observed: 20.23 ft at 10:15PM Mar 30, 2020Observed: 20.22 ft at 10:30PM Mar 30, 2020Observed: 20.22 ft at 10:31PM Mar 30, 2020Observed: 20.23 ft at 10:45PM Mar 30, 2020Observed: 20.23 ft at 10:46PM Mar 30, 2020Observed: 20.26 ft at 11:00PM Mar 30, 2020Observed: 20.26 ft at 11:01PM Mar 30, 2020Observed: 20.27 ft at 11:15PM Mar 30, 2020Observed: 20.29 ft at 11:30PM Mar 30, 2020Observed: 20.28 ft at 11:45PM Mar 30, 2020Observed: 20.3 ft at 12:00AM Mar 31, 2020Observed: 20.3 ft at 12:15AM Mar 31, 2020Observed: 20.3 ft at 12:30AM Mar 31, 2020Observed: 20.31 ft at 12:45AM Mar 31, 2020Observed: 20.33 ft at 1:00AM Mar 31, 2020Observed: 20.34 ft at 1:15AM Mar 31, 2020Observed: 20.36 ft at 1:30AM Mar 31, 2020Observed: 20.37 ft at 1:45AM Mar 31, 2020Observed: 20.37 ft at 2:00AM Mar 31, 2020Observed: 20.38 ft at 2:15AM Mar 31, 2020Observed: 20.38 ft at 2:30AM Mar 31, 2020Observed: 20.39 ft at 2:45AM Mar 31, 2020Observed: 20.4 ft at 3:00AM Mar 31, 2020Observed: 20.44 ft at 3:15AM Mar 31, 2020Observed: 20.42 ft at 3:30AM Mar 31, 2020Observed: 20.44 ft at 3:45AM Mar 31, 2020Observed: 20.45 ft at 4:00AM Mar 31, 2020Observed: 20.43 ft at 4:15AM Mar 31, 2020Observed: 20.48 ft at 4:30AM Mar 31, 2020Observed: 20.47 ft at 4:45AM Mar 31, 2020Observed: 20.5 ft at 5:00AM Mar 31, 2020Observed: 20.51 ft at 5:15AM Mar 31, 2020Observed: 20.54 ft at 5:30AM Mar 31, 2020Observed: 20.52 ft at 5:45AM Mar 31, 2020Observed: 20.55 ft at 6:00AM Mar 31, 2020Observed: 20.55 ft at 6:15AM Mar 31, 2020Observed: 20.56 ft at 6:30AM Mar 31, 2020Observed: 20.56 ft at 6:31AM Mar 31, 2020Observed: 20.59 ft at 6:45AM Mar 31, 2020Observed: 20.59 ft at 6:46AM Mar 31, 2020Observed: 20.58 ft at 7:00AM Mar 31, 2020Observed: 20.58 ft at 7:01AM Mar 31, 2020Observed: 20.6 ft at 7:15AM Mar 31, 2020Observed: 20.61 ft at 7:30AM Mar 31, 2020Observed: 20.63 ft at 7:45AM Mar 31, 2020Observed: 20.65 ft at 8:00AM Mar 31, 2020Observed: 20.63 ft at 8:15AM Mar 31, 2020Observed: 20.63 ft at 8:30AM Mar 31, 2020Observed: 20.65 ft at 8:45AM Mar 31, 2020Observed: 20.68 ft at 9:00AM Mar 31, 2020Observed: 20.69 ft at 9:15AM Mar 31, 2020Observed: 20.69 ft at 9:30AM Mar 31, 2020Observed: 20.7 ft at 9:45AM Mar 31, 2020Observed: 20.7 ft at 10:00AM Mar 31, 2020Observed: 20.71 ft at 10:15AM Mar 31, 2020Observed: 20.73 ft at 10:30AM Mar 31, 2020Observed: 20.72 ft at 10:45AM Mar 31, 2020Observed: 20.73 ft at 11:00AM Mar 31, 2020Observed: 20.75 ft at 11:15AM Mar 31, 2020Observed: 20.73 ft at 11:30AM Mar 31, 2020Observed: 20.77 ft at 11:45AM Mar 31, 2020Observed: 20.76 ft at 12:00PM Mar 31, 2020Observed: 20.77 ft at 12:15PM Mar 31, 2020Observed: 20.78 ft at 12:30PM Mar 31, 2020Observed: 20.78 ft at 12:45PM Mar 31, 2020Observed: 20.8 ft at 1:00PM Mar 31, 2020Observed: 20.82 ft at 1:15PM Mar 31, 2020Observed: 20.83 ft at 1:30PM Mar 31, 2020Observed: 20.85 ft at 1:45PM Mar 31, 2020Observed: 20.85 ft at 2:00PM Mar 31, 2020Observed: 20.87 ft at 2:15PM Mar 31, 2020Observed: 20.89 ft at 2:30PM Mar 31, 2020Observed: 20.89 ft at 2:32PM Mar 31, 2020Observed: 20.9 ft at 2:45PM Mar 31, 2020Observed: 20.9 ft at 2:47PM Mar 31, 2020Observed: 20.9 ft at 3:00PM Mar 31, 2020Observed: 20.9 ft at 3:02PM Mar 31, 2020Observed: 20.91 ft at 3:15PM Mar 31, 2020Observed: 20.91 ft at 3:30PM Mar 31, 2020Observed: 20.93 ft at 3:45PM Mar 31, 2020Observed: 20.93 ft at 4:00PM Mar 31, 2020Observed: 20.94 ft at 4:15PM Mar 31, 2020Observed: 20.95 ft at 4:30PM Mar 31, 2020Observed: 20.96 ft at 4:45PM Mar 31, 2020Observed: 20.97 ft at 5:00PM Mar 31, 2020Observed: 20.95 ft at 5:15PM Mar 31, 2020Observed: 20.98 ft at 5:30PM Mar 31, 2020Observed: 20.99 ft at 5:45PM Mar 31, 2020Observed: 21.02 ft at 6:00PM Mar 31, 2020Observed: 21.02 ft at 6:15PM Mar 31, 2020Observed: 21.01 ft at 6:30PM Mar 31, 2020Observed: 21.06 ft at 6:45PM Mar 31, 2020Observed: 21.05 ft at 7:00PM Mar 31, 2020Observed: 21.05 ft at 7:15PM Mar 31, 2020Observed: 21.04 ft at 7:30PM Mar 31, 2020Observed: 21.08 ft at 7:45PM Mar 31, 2020Observed: 21.09 ft at 8:00PM Mar 31, 2020Observed: 21.1 ft at 8:15PM Mar 31, 2020Observed: 21.12 ft at 8:30PM Mar 31, 2020Observed: 21.11 ft at 8:45PM Mar 31, 2020Observed: 21.15 ft at 9:00PM Mar 31, 2020Observed: 21.13 ft at 9:15PM Mar 31, 2020Observed: 21.16 ft at 9:30PM Mar 31, 2020Observed: 21.16 ft at 9:45PM Mar 31, 2020Observed: 21.18 ft at 10:00PM Mar 31, 2020Observed: 21.17 ft at 10:15PM Mar 31, 2020Observed: 21.2 ft at 10:30PM Mar 31, 2020Observed: 21.2 ft at 10:31PM Mar 31, 2020Observed: 21.21 ft at 10:45PM Mar 31, 2020Observed: 21.21 ft at 10:46PM Mar 31, 2020Observed: 21.23 ft at 11:00PM Mar 31, 2020Observed: 21.23 ft at 11:01PM Mar 31, 2020Observed: 21.26 ft at 11:15PM Mar 31, 2020Observed: 21.25 ft at 11:30PM Mar 31, 2020Observed: 21.25 ft at 11:45PM Mar 31, 2020Observed: 21.27 ft at 12:00AM Apr 01, 2020Observed: 21.28 ft at 12:15AM Apr 01, 2020Observed: 21.29 ft at 12:30AM Apr 01, 2020Observed: 21.32 ft at 12:45AM Apr 01, 2020Observed: 21.3 ft at 1:00AM Apr 01, 2020Observed: 21.32 ft at 1:15AM Apr 01, 2020Observed: 21.32 ft at 1:30AM Apr 01, 2020Observed: 21.35 ft at 1:45AM Apr 01, 2020Observed: 21.32 ft at 2:00AM Apr 01, 2020Observed: 21.34 ft at 2:15AM Apr 01, 2020Observed: 21.35 ft at 2:30AM Apr 01, 2020Observed: 21.36 ft at 2:45AM Apr 01, 2020Observed: 21.38 ft at 3:00AM Apr 01, 2020Observed: 21.38 ft at 3:15AM Apr 01, 2020Observed: 21.39 ft at 3:30AM Apr 01, 2020Observed: 21.4 ft at 3:45AM Apr 01, 2020Observed: 21.42 ft at 4:00AM Apr 01, 2020Observed: 21.41 ft at 4:15AM Apr 01, 2020Observed: 21.41 ft at 4:30AM Apr 01, 2020Observed: 21.41 ft at 4:45AM Apr 01, 2020Observed: 21.44 ft at 5:00AM Apr 01, 2020Observed: 21.42 ft at 5:15AM Apr 01, 2020Observed: 21.44 ft at 5:30AM Apr 01, 2020Observed: 21.45 ft at 5:45AM Apr 01, 2020Observed: 21.48 ft at 6:00AM Apr 01, 2020Observed: 21.48 ft at 6:15AM Apr 01, 2020Observed: 21.49 ft at 6:30AM Apr 01, 2020Observed: 21.49 ft at 6:32AM Apr 01, 2020Observed: 21.51 ft at 6:45AM Apr 01, 2020Observed: 21.51 ft at 6:47AM Apr 01, 2020Observed: 21.5 ft at 7:00AM Apr 01, 2020Observed: 21.5 ft at 7:02AM Apr 01, 2020Observed: 21.53 ft at 7:15AM Apr 01, 2020Observed: 21.54 ft at 7:30AM Apr 01, 2020Observed: 21.52 ft at 7:45AM Apr 01, 2020Observed: 21.52 ft at 8:00AM Apr 01, 2020Observed: 21.55 ft at 8:15AM Apr 01, 2020Observed: 21.56 ft at 8:30AM Apr 01, 2020Observed: 21.54 ft at 8:45AM Apr 01, 2020Observed: 21.56 ft at 9:00AM Apr 01, 2020Observed: 21.56 ft at 9:15AM Apr 01, 2020Observed: 21.57 ft at 9:30AM Apr 01, 2020Observed: 21.57 ft at 9:45AM Apr 01, 2020Observed: 21.56 ft at 10:00AM Apr 01, 2020Observed: 21.59 ft at 10:15AM Apr 01, 2020Observed: 21.58 ft at 10:30AM Apr 01, 2020Observed: 21.6 ft at 10:45AM Apr 01, 2020Observed: 21.6 ft at 11:00AM Apr 01, 2020Observed: 21.62 ft at 11:15AM Apr 01, 2020Observed: 21.63 ft at 11:30AM Apr 01, 2020Observed: 21.62 ft at 11:45AM Apr 01, 2020Observed: 21.6 ft at 12:00PM Apr 01, 2020Observed: 21.61 ft at 12:15PM Apr 01, 2020Observed: 21.63 ft at 12:30PM Apr 01, 2020Observed: 21.66 ft at 12:45PM Apr 01, 2020Observed: 21.65 ft at 1:00PM Apr 01, 2020Observed: 21.65 ft at 1:15PM Apr 01, 2020Observed: 21.64 ft at 1:30PM Apr 01, 2020Observed: 21.65 ft at 1:45PM Apr 01, 2020Observed: 21.67 ft at 2:00PM Apr 01, 2020Observed: 21.69 ft at 2:15PM Apr 01, 2020Observed: 21.67 ft at 2:30PM Apr 01, 2020Observed: 21.67 ft at 2:32PM Apr 01, 2020Observed: 21.68 ft at 2:45PM Apr 01, 2020Observed: 21.68 ft at 2:47PM Apr 01, 2020Observed: 21.67 ft at 3:00PM Apr 01, 2020Observed: 21.67 ft at 3:02PM Apr 01, 2020Observed: 21.71 ft at 3:15PM Apr 01, 2020Observed: 21.72 ft at 3:30PM Apr 01, 2020Observed: 21.71 ft at 3:45PM Apr 01, 2020Observed: 21.72 ft at 4:00PM Apr 01, 2020Observed: 21.71 ft at 4:15PM Apr 01, 2020Observed: 21.74 ft at 4:30PM Apr 01, 2020Observed: 21.76 ft at 4:45PM Apr 01, 2020Observed: 21.76 ft at 5:00PM Apr 01, 2020Observed: 21.75 ft at 5:15PM Apr 01, 2020Observed: 21.74 ft at 5:30PM Apr 01, 2020Observed: 21.76 ft at 5:45PM Apr 01, 2020Observed: 21.76 ft at 6:00PM Apr 01, 2020Observed: 21.76 ft at 6:15PM Apr 01, 2020Observed: 21.76 ft at 6:30PM Apr 01, 2020Observed: 21.76 ft at 6:45PM Apr 01, 2020Observed: 21.78 ft at 7:00PM Apr 01, 2020Observed: 21.78 ft at 7:15PM Apr 01, 2020Observed: 21.81 ft at 7:30PM Apr 01, 2020Observed: 21.8 ft at 7:45PM Apr 01, 2020Observed: 21.79 ft at 8:00PM Apr 01, 2020Observed: 21.8 ft at 8:15PM Apr 01, 2020Observed: 21.79 ft at 8:30PM Apr 01, 2020Observed: 21.81 ft at 8:45PM Apr 01, 2020Observed: 21.8 ft at 9:00PM Apr 01, 2020Observed: 21.8 ft at 9:15PM Apr 01, 2020Observed: 21.82 ft at 9:30PM Apr 01, 2020Observed: 21.81 ft at 9:45PM Apr 01, 2020Observed: 21.8 ft at 10:00PM Apr 01, 2020Observed: 21.8 ft at 10:15PM Apr 01, 2020Observed: 21.8 ft at 10:30PM Apr 01, 2020Observed: 21.8 ft at 10:31PM Apr 01, 2020Observed: 21.82 ft at 10:45PM Apr 01, 2020Observed: 21.82 ft at 10:46PM Apr 01, 2020Observed: 21.82 ft at 11:00PM Apr 01, 2020Observed: 21.82 ft at 11:01PM Apr 01, 2020Observed: 21.82 ft at 11:15PM Apr 01, 2020Observed: 21.8 ft at 11:30PM Apr 01, 2020Observed: 21.83 ft at 11:45PM Apr 01, 2020Observed: 21.82 ft at 12:00AM Apr 02, 2020Observed: 21.82 ft at 12:15AM Apr 02, 2020Observed: 21.81 ft at 12:30AM Apr 02, 2020Observed: 21.81 ft at 12:45AM Apr 02, 2020Observed: 21.8 ft at 1:00AM Apr 02, 2020Highest Observation: 21.84 ft at 1:15AM Apr 02, 2020Observed: 21.81 ft at 1:30AM Apr 02, 2020Observed: 21.81 ft at 1:45AM Apr 02, 2020Observed: 21.82 ft at 2:00AM Apr 02, 2020Observed: 21.82 ft at 2:15AM Apr 02, 2020Observed: 21.81 ft at 2:30AM Apr 02, 2020Observed: 21.81 ft at 2:45AM Apr 02, 2020Observed: 21.8 ft at 3:00AM Apr 02, 2020Observed: 21.82 ft at 3:15AM Apr 02, 2020Observed: 21.8 ft at 3:30AM Apr 02, 2020Observed: 21.81 ft at 3:45AM Apr 02, 2020Observed: 21.81 ft at 4:00AM Apr 02, 2020Observed: 21.8 ft at 4:15AM Apr 02, 2020Observed: 21.8 ft at 4:30AM Apr 02, 2020Observed: 21.8 ft at 4:45AM Apr 02, 2020Observed: 21.81 ft at 5:00AM Apr 02, 2020Observed: 21.8 ft at 5:15AM Apr 02, 2020Observed: 21.8 ft at 5:30AM Apr 02, 2020Observed: 21.78 ft at 5:45AM Apr 02, 2020Observed: 21.79 ft at 6:00AM Apr 02, 2020Observed: 21.78 ft at 6:15AM Apr 02, 2020Observed: 21.76 ft at 6:30AM Apr 02, 2020Observed: 21.76 ft at 6:31AM Apr 02, 2020Observed: 21.78 ft at 6:45AM Apr 02, 2020Observed: 21.78 ft at 6:46AM Apr 02, 2020Observed: 21.77 ft at 7:00AM Apr 02, 2020Observed: 21.77 ft at 7:01AM Apr 02, 2020Observed: 21.76 ft at 7:15AM Apr 02, 2020Observed: 21.76 ft at 7:30AM Apr 02, 2020Observed: 21.74 ft at 7:45AM Apr 02, 2020Observed: 21.74 ft at 8:00AM Apr 02, 2020Observed: 21.74 ft at 8:15AM Apr 02, 2020Observed: 21.75 ft at 8:30AM Apr 02, 2020Observed: 21.71 ft at 8:45AM Apr 02, 2020Observed: 21.74 ft at 9:00AM Apr 02, 2020Observed: 21.71 ft at 9:15AM Apr 02, 2020Observed: 21.71 ft at 9:30AM Apr 02, 2020Observed: 21.7 ft at 9:45AM Apr 02, 2020Observed: 21.7 ft at 10:00AM Apr 02, 2020Observed: 21.7 ft at 10:15AM Apr 02, 2020Observed: 21.7 ft at 10:30AM Apr 02, 2020Observed: 21.68 ft at 10:45AM Apr 02, 2020Observed: 21.69 ft at 11:00AM Apr 02, 2020Observed: 21.69 ft at 11:15AM Apr 02, 2020Observed: 21.65 ft at 11:30AM Apr 02, 2020Observed: 21.63 ft at 11:45AM Apr 02, 2020Observed: 21.64 ft at 12:00PM Apr 02, 2020Observed: 21.65 ft at 12:15PM Apr 02, 2020Observed: 21.66 ft at 12:30PM Apr 02, 2020Observed: 21.64 ft at 12:45PM Apr 02, 2020Observed: 21.61 ft at 1:00PM Apr 02, 2020Observed: 21.59 ft at 1:15PM Apr 02, 2020Observed: 21.59 ft at 1:30PM Apr 02, 2020Observed: 21.58 ft at 1:45PM Apr 02, 2020Observed: 21.59 ft at 2:00PM Apr 02, 2020Observed: 21.57 ft at 2:15PM Apr 02, 2020Observed: 21.56 ft at 2:30PM Apr 02, 2020Observed: 21.56 ft at 2:31PM Apr 02, 2020Observed: 21.59 ft at 2:45PM Apr 02, 2020Observed: 21.59 ft at 2:46PM Apr 02, 2020Observed: 21.58 ft at 3:00PM Apr 02, 2020Observed: 21.58 ft at 3:01PM Apr 02, 2020Observed: 21.56 ft at 3:15PM Apr 02, 2020Observed: 21.55 ft at 3:30PM Apr 02, 2020USGS--Water Resources of the United StatesSXCI4(plotting HGIRG) Graph Created (7:04PM Apr 2, 2020)ObservedLatest observed value: 21.55 ft at 3:30 PM CDT 2-Apr-2020. Flood Stage is 32 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

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) 37.42 ft on 03/17/2019 (P)
(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) 37.42 ft on 03/17/2019 (P)
(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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Page last modified: 1-Mar-2019 12:34 AM
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