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Hydrograph River at a Glance Download
Big Sioux River at Sioux City Stage (ft)Flow (kcfs)Observed: 15.39 ft at 4:45PM May 19, 2020Observed: 15.41 ft at 5:00PM May 19, 2020Observed: 15.41 ft at 5:15PM May 19, 2020Observed: 15.44 ft at 5:30PM May 19, 2020Observed: 15.45 ft at 5:45PM May 19, 2020Observed: 15.43 ft at 6:00PM May 19, 2020Observed: 15.45 ft at 6:15PM May 19, 2020Observed: 15.45 ft at 6:17PM May 19, 2020Observed: 15.46 ft at 6:30PM May 19, 2020Observed: 15.46 ft at 6:32PM May 19, 2020Observed: 15.46 ft at 6:45PM May 19, 2020Observed: 15.46 ft at 6:47PM May 19, 2020Observed: 15.48 ft at 7:00PM May 19, 2020Observed: 15.51 ft at 7:15PM May 19, 2020Observed: 15.52 ft at 7:30PM May 19, 2020Observed: 15.52 ft at 7:45PM May 19, 2020Observed: 15.52 ft at 8:00PM May 19, 2020Observed: 15.54 ft at 8:15PM May 19, 2020Observed: 15.55 ft at 8:30PM May 19, 2020Observed: 15.57 ft at 8:45PM May 19, 2020Observed: 15.59 ft at 9:00PM May 19, 2020Observed: 15.59 ft at 9:15PM May 19, 2020Observed: 15.59 ft at 9:30PM May 19, 2020Observed: 15.59 ft at 9:45PM May 19, 2020Observed: 15.61 ft at 10:00PM May 19, 2020Observed: 15.6 ft at 10:15PM May 19, 2020Observed: 15.63 ft at 10:30PM May 19, 2020Observed: 15.64 ft at 10:45PM May 19, 2020Observed: 15.68 ft at 11:00PM May 19, 2020Observed: 15.66 ft at 11:15PM May 19, 2020Observed: 15.67 ft at 11:30PM May 19, 2020Observed: 15.68 ft at 11:45PM May 19, 2020Observed: 15.67 ft at 12:00AM May 20, 2020Observed: 15.7 ft at 12:15AM May 20, 2020Observed: 15.7 ft at 12:30AM May 20, 2020Observed: 15.72 ft at 12:45AM May 20, 2020Observed: 15.73 ft at 1:00AM May 20, 2020Observed: 15.72 ft at 1:15AM May 20, 2020Observed: 15.74 ft at 1:30AM May 20, 2020Observed: 15.75 ft at 1:45AM May 20, 2020Observed: 15.75 ft at 2:00AM May 20, 2020Observed: 15.76 ft at 2:15AM May 20, 2020Observed: 15.76 ft at 2:17AM May 20, 2020Observed: 15.78 ft at 2:30AM May 20, 2020Observed: 15.78 ft at 2:32AM May 20, 2020Observed: 15.81 ft at 2:45AM May 20, 2020Observed: 15.81 ft at 2:47AM May 20, 2020Observed: 15.81 ft at 3:00AM May 20, 2020Observed: 15.83 ft at 3:15AM May 20, 2020Observed: 15.85 ft at 3:30AM May 20, 2020Observed: 15.84 ft at 3:45AM May 20, 2020Observed: 15.85 ft at 4:00AM May 20, 2020Observed: 15.86 ft at 4:15AM May 20, 2020Observed: 15.86 ft at 4:30AM May 20, 2020Observed: 15.86 ft at 4:45AM May 20, 2020Observed: 15.88 ft at 5:00AM May 20, 2020Observed: 15.9 ft at 5:15AM May 20, 2020Observed: 15.9 ft at 5:30AM May 20, 2020Observed: 15.93 ft at 5:45AM May 20, 2020Observed: 15.93 ft at 6:00AM May 20, 2020Observed: 15.93 ft at 6:15AM May 20, 2020Observed: 15.96 ft at 6:30AM May 20, 2020Observed: 15.95 ft at 6:45AM May 20, 2020Observed: 15.97 ft at 7:00AM May 20, 2020Observed: 15.99 ft at 7:15AM May 20, 2020Observed: 15.98 ft at 7:30AM May 20, 2020Observed: 16.02 ft at 7:45AM May 20, 2020Observed: 16.02 ft at 8:00AM May 20, 2020Observed: 16.04 ft at 8:15AM May 20, 2020Observed: 16.02 ft at 8:30AM May 20, 2020Observed: 16.05 ft at 8:45AM May 20, 2020Observed: 16.05 ft at 9:00AM May 20, 2020Observed: 16.06 ft at 9:15AM May 20, 2020Observed: 16.07 ft at 9:30AM May 20, 2020Observed: 16.11 ft at 9:45AM May 20, 2020Observed: 16.11 ft at 10:00AM May 20, 2020Observed: 16.12 ft at 10:15AM May 20, 2020Observed: 16.12 ft at 10:17AM May 20, 2020Observed: 16.12 ft at 10:30AM May 20, 2020Observed: 16.12 ft at 10:32AM May 20, 2020Observed: 16.12 ft at 10:45AM May 20, 2020Observed: 16.12 ft at 10:47AM May 20, 2020Observed: 16.13 ft at 11:00AM May 20, 2020Observed: 16.15 ft at 11:15AM May 20, 2020Observed: 16.17 ft at 11:30AM May 20, 2020Observed: 16.17 ft at 11:45AM May 20, 2020Observed: 16.18 ft at 12:00PM May 20, 2020Observed: 16.19 ft at 12:15PM May 20, 2020Observed: 16.2 ft at 12:30PM May 20, 2020Observed: 16.19 ft at 12:45PM May 20, 2020Observed: 16.23 ft at 1:00PM May 20, 2020Observed: 16.22 ft at 1:15PM May 20, 2020Observed: 16.25 ft at 1:30PM May 20, 2020Observed: 16.24 ft at 1:45PM May 20, 2020Observed: 16.22 ft at 2:00PM May 20, 2020Observed: 16.27 ft at 2:15PM May 20, 2020Observed: 16.27 ft at 2:30PM May 20, 2020Observed: 16.28 ft at 2:45PM May 20, 2020Observed: 16.29 ft at 3:00PM May 20, 2020Observed: 16.29 ft at 3:15PM May 20, 2020Observed: 16.3 ft at 3:30PM May 20, 2020Observed: 16.29 ft at 3:45PM May 20, 2020Observed: 16.3 ft at 4:00PM May 20, 2020Observed: 16.3 ft at 4:15PM May 20, 2020Observed: 16.31 ft at 4:30PM May 20, 2020Observed: 16.35 ft at 4:45PM May 20, 2020Observed: 16.34 ft at 5:00PM May 20, 2020Observed: 16.35 ft at 5:15PM May 20, 2020Observed: 16.35 ft at 5:30PM May 20, 2020Observed: 16.37 ft at 5:45PM May 20, 2020Observed: 16.38 ft at 6:00PM May 20, 2020Observed: 16.37 ft at 6:15PM May 20, 2020Observed: 16.37 ft at 6:17PM May 20, 2020Observed: 16.37 ft at 6:30PM May 20, 2020Observed: 16.37 ft at 6:32PM May 20, 2020Observed: 16.37 ft at 6:45PM May 20, 2020Observed: 16.37 ft at 6:47PM May 20, 2020Observed: 16.37 ft at 7:00PM May 20, 2020Observed: 16.41 ft at 7:15PM May 20, 2020Observed: 16.41 ft at 7:30PM May 20, 2020Observed: 16.41 ft at 7:45PM May 20, 2020Observed: 16.41 ft at 8:00PM May 20, 2020Observed: 16.4 ft at 8:15PM May 20, 2020Observed: 16.41 ft at 8:30PM May 20, 2020Observed: 16.4 ft at 8:45PM May 20, 2020Observed: 16.41 ft at 9:00PM May 20, 2020Observed: 16.42 ft at 9:15PM May 20, 2020Observed: 16.42 ft at 9:30PM May 20, 2020Observed: 16.42 ft at 9:45PM May 20, 2020Observed: 16.44 ft at 10:00PM May 20, 2020Observed: 16.44 ft at 10:15PM May 20, 2020Observed: 16.44 ft at 10:30PM May 20, 2020Observed: 16.44 ft at 10:45PM May 20, 2020Observed: 16.44 ft at 11:00PM May 20, 2020Observed: 16.47 ft at 11:15PM May 20, 2020Observed: 16.48 ft at 11:30PM May 20, 2020Observed: 16.45 ft at 11:45PM May 20, 2020Observed: 16.46 ft at 12:00AM May 21, 2020Observed: 16.49 ft at 12:15AM May 21, 2020Observed: 16.48 ft at 12:30AM May 21, 2020Observed: 16.48 ft at 12:45AM May 21, 2020Observed: 16.48 ft at 1:00AM May 21, 2020Observed: 16.49 ft at 1:15AM May 21, 2020Observed: 16.5 ft at 1:30AM May 21, 2020Observed: 16.48 ft at 1:45AM May 21, 2020Observed: 16.5 ft at 2:00AM May 21, 2020Observed: 16.48 ft at 2:15AM May 21, 2020Observed: 16.48 ft at 2:16AM May 21, 2020Observed: 16.5 ft at 2:30AM May 21, 2020Observed: 16.5 ft at 2:31AM May 21, 2020Observed: 16.49 ft at 2:45AM May 21, 2020Observed: 16.49 ft at 2:46AM May 21, 2020Observed: 16.5 ft at 3:00AM May 21, 2020Observed: 16.49 ft at 3:15AM May 21, 2020Observed: 16.49 ft at 3:30AM May 21, 2020Observed: 16.49 ft at 3:45AM May 21, 2020Observed: 16.5 ft at 4:00AM May 21, 2020Observed: 16.51 ft at 4:15AM May 21, 2020Observed: 16.5 ft at 4:30AM May 21, 2020Observed: 16.49 ft at 4:45AM May 21, 2020Observed: 16.5 ft at 5:00AM May 21, 2020Observed: 16.51 ft at 5:15AM May 21, 2020Observed: 16.51 ft at 5:30AM May 21, 2020Observed: 16.5 ft at 5:45AM May 21, 2020Observed: 16.53 ft at 6:00AM May 21, 2020Observed: 16.49 ft at 6:15AM May 21, 2020Observed: 16.52 ft at 6:30AM May 21, 2020Observed: 16.5 ft at 6:45AM May 21, 2020Observed: 16.52 ft at 7:00AM May 21, 2020Observed: 16.51 ft at 7:15AM May 21, 2020Observed: 16.51 ft at 7:30AM May 21, 2020Observed: 16.53 ft at 7:45AM May 21, 2020Highest Observation: 16.54 ft at 8:00AM May 21, 2020Observed: 16.53 ft at 8:15AM May 21, 2020Highest Observation: 16.54 ft at 8:30AM May 21, 2020Highest Observation: 16.54 ft at 8:45AM May 21, 2020Highest Observation: 16.54 ft at 9:00AM May 21, 2020Observed: 16.53 ft at 9:15AM May 21, 2020Observed: 16.52 ft at 9:30AM May 21, 2020Observed: 16.53 ft at 9:45AM May 21, 2020Observed: 16.53 ft at 10:00AM May 21, 2020Observed: 16.51 ft at 10:15AM May 21, 2020Observed: 16.51 ft at 10:16AM May 21, 2020Observed: 16.51 ft at 10:30AM May 21, 2020Observed: 16.51 ft at 10:31AM May 21, 2020Highest Observation: 16.54 ft at 10:45AM May 21, 2020Highest Observation: 16.54 ft at 10:46AM May 21, 2020Highest Observation: 16.54 ft at 11:00AM May 21, 2020Observed: 16.52 ft at 11:15AM May 21, 2020Observed: 16.52 ft at 11:30AM May 21, 2020Observed: 16.52 ft at 11:45AM May 21, 2020Observed: 16.52 ft at 12:00PM May 21, 2020Observed: 16.52 ft at 12:15PM May 21, 2020Observed: 16.51 ft at 12:30PM May 21, 2020Observed: 16.51 ft at 12:45PM May 21, 2020Observed: 16.53 ft at 1:00PM May 21, 2020Observed: 16.51 ft at 1:15PM May 21, 2020Observed: 16.52 ft at 1:30PM May 21, 2020Observed: 16.53 ft at 1:45PM May 21, 2020Observed: 16.53 ft at 2:00PM May 21, 2020Observed: 16.52 ft at 2:15PM May 21, 2020Observed: 16.52 ft at 2:30PM May 21, 2020Observed: 16.53 ft at 2:45PM May 21, 2020Observed: 16.53 ft at 3:00PM May 21, 2020Observed: 16.53 ft at 3:15PM May 21, 2020Observed: 16.52 ft at 3:30PM May 21, 2020Observed: 16.52 ft at 3:45PM May 21, 2020Observed: 16.52 ft at 4:00PM May 21, 2020Observed: 16.52 ft at 4:15PM May 21, 2020Observed: 16.51 ft at 4:30PM May 21, 2020Highest Observation: 16.54 ft at 4:45PM May 21, 2020Observed: 16.52 ft at 5:00PM May 21, 2020Observed: 16.51 ft at 5:15PM May 21, 2020Observed: 16.53 ft at 5:30PM May 21, 2020Observed: 16.51 ft at 5:45PM May 21, 2020Observed: 16.51 ft at 6:00PM May 21, 2020Observed: 16.49 ft at 6:15PM May 21, 2020Observed: 16.49 ft at 6:17PM May 21, 2020Observed: 16.52 ft at 6:30PM May 21, 2020Observed: 16.52 ft at 6:32PM May 21, 2020Observed: 16.51 ft at 6:45PM May 21, 2020Observed: 16.51 ft at 6:47PM May 21, 2020Observed: 16.52 ft at 7:00PM May 21, 2020Observed: 16.5 ft at 7:15PM May 21, 2020Observed: 16.5 ft at 7:30PM May 21, 2020Observed: 16.5 ft at 7:45PM May 21, 2020Observed: 16.5 ft at 8:00PM May 21, 2020Observed: 16.49 ft at 8:15PM May 21, 2020Observed: 16.49 ft at 8:30PM May 21, 2020Observed: 16.49 ft at 8:45PM May 21, 2020Observed: 16.49 ft at 9:00PM May 21, 2020Observed: 16.49 ft at 9:15PM May 21, 2020Observed: 16.5 ft at 9:30PM May 21, 2020Observed: 16.48 ft at 9:45PM May 21, 2020Observed: 16.51 ft at 10:00PM May 21, 2020Observed: 16.5 ft at 10:15PM May 21, 2020Observed: 16.5 ft at 10:30PM May 21, 2020Observed: 16.5 ft at 10:45PM May 21, 2020Observed: 16.48 ft at 11:00PM May 21, 2020Observed: 16.47 ft at 11:15PM May 21, 2020Observed: 16.48 ft at 11:30PM May 21, 2020Observed: 16.46 ft at 11:45PM May 21, 2020Observed: 16.45 ft at 12:00AM May 22, 2020Observed: 16.48 ft at 12:15AM May 22, 2020Observed: 16.47 ft at 12:30AM May 22, 2020Observed: 16.47 ft at 12:45AM May 22, 2020Observed: 16.45 ft at 1:00AM May 22, 2020Observed: 16.46 ft at 1:15AM May 22, 2020Observed: 16.46 ft at 1:30AM May 22, 2020Observed: 16.46 ft at 1:45AM May 22, 2020Observed: 16.46 ft at 2:00AM May 22, 2020Observed: 16.46 ft at 2:15AM May 22, 2020Observed: 16.46 ft at 2:17AM May 22, 2020Observed: 16.45 ft at 2:30AM May 22, 2020Observed: 16.45 ft at 2:32AM May 22, 2020Observed: 16.45 ft at 2:45AM May 22, 2020Observed: 16.45 ft at 2:47AM May 22, 2020Observed: 16.48 ft at 3:00AM May 22, 2020Observed: 16.44 ft at 3:15AM May 22, 2020Observed: 16.46 ft at 3:30AM May 22, 2020Observed: 16.43 ft at 3:45AM May 22, 2020Observed: 16.43 ft at 4:00AM May 22, 2020Observed: 16.44 ft at 4:15AM May 22, 2020Observed: 16.43 ft at 4:30AM May 22, 2020Observed: 16.44 ft at 4:45AM May 22, 2020Observed: 16.44 ft at 5:00AM May 22, 2020Observed: 16.43 ft at 5:15AM May 22, 2020Observed: 16.43 ft at 5:30AM May 22, 2020Observed: 16.4 ft at 5:45AM May 22, 2020Observed: 16.43 ft at 6:00AM May 22, 2020Observed: 16.42 ft at 6:15AM May 22, 2020Observed: 16.41 ft at 6:30AM May 22, 2020Observed: 16.42 ft at 6:45AM May 22, 2020Observed: 16.41 ft at 7:00AM May 22, 2020Observed: 16.44 ft at 7:15AM May 22, 2020Observed: 16.42 ft at 7:30AM May 22, 2020Observed: 16.42 ft at 7:45AM May 22, 2020Observed: 16.41 ft at 8:00AM May 22, 2020Observed: 16.42 ft at 8:15AM May 22, 2020Observed: 16.41 ft at 8:30AM May 22, 2020Observed: 16.41 ft at 8:45AM May 22, 2020Observed: 16.41 ft at 9:00AM May 22, 2020Observed: 16.41 ft at 9:15AM May 22, 2020Observed: 16.41 ft at 9:30AM May 22, 2020Observed: 16.42 ft at 9:45AM May 22, 2020Observed: 16.41 ft at 10:00AM May 22, 2020Observed: 16.41 ft at 10:15AM May 22, 2020Observed: 16.41 ft at 10:16AM May 22, 2020Observed: 16.4 ft at 10:30AM May 22, 2020Observed: 16.4 ft at 10:31AM May 22, 2020Observed: 16.39 ft at 10:45AM May 22, 2020Observed: 16.39 ft at 10:46AM May 22, 2020Observed: 16.39 ft at 11:00AM May 22, 2020Observed: 16.42 ft at 11:15AM May 22, 2020Observed: 16.4 ft at 11:30AM May 22, 2020Observed: 16.39 ft at 11:45AM May 22, 2020Observed: 16.39 ft at 12:00PM May 22, 2020Observed: 16.37 ft at 12:15PM May 22, 2020Observed: 16.38 ft at 12:30PM May 22, 2020Observed: 16.38 ft at 12:45PM May 22, 2020Observed: 16.39 ft at 1:00PM May 22, 2020Observed: 16.4 ft at 1:15PM May 22, 2020Observed: 16.38 ft at 1:30PM May 22, 2020Observed: 16.4 ft at 1:45PM May 22, 2020Observed: 16.38 ft at 2:00PM May 22, 2020Observed: 16.38 ft at 2:15PM May 22, 2020Observed: 16.39 ft at 2:30PM May 22, 2020Observed: 16.39 ft at 2:45PM May 22, 2020Observed: 16.39 ft at 3:00PM May 22, 2020Observed: 16.38 ft at 3:15PM May 22, 2020Observed: 16.38 ft at 3:30PM May 22, 2020Observed: 16.38 ft at 3:45PM May 22, 2020Observed: 16.38 ft at 4:00PM May 22, 2020Observed: 16.39 ft at 4:15PM May 22, 2020Observed: 16.39 ft at 4:30PM May 22, 2020Observed: 16.39 ft at 4:45PM May 22, 2020Observed: 16.37 ft at 5:00PM May 22, 2020Observed: 16.36 ft at 5:15PM May 22, 2020Observed: 16.37 ft at 5:30PM May 22, 2020Observed: 16.36 ft at 5:45PM May 22, 2020Observed: 16.37 ft at 6:00PM May 22, 2020Observed: 16.36 ft at 6:15PM May 22, 2020Observed: 16.36 ft at 6:16PM May 22, 2020Observed: 16.38 ft at 6:30PM May 22, 2020Observed: 16.38 ft at 6:31PM May 22, 2020Observed: 16.36 ft at 6:45PM May 22, 2020Observed: 16.36 ft at 6:46PM May 22, 2020Observed: 16.35 ft at 7:00PM May 22, 2020Observed: 16.36 ft at 7:15PM May 22, 2020Observed: 16.34 ft at 7:30PM May 22, 2020Observed: 16.33 ft at 7:45PM May 22, 2020Observed: 16.33 ft at 8:00PM May 22, 2020Observed: 16.34 ft at 8:15PM May 22, 2020Observed: 16.35 ft at 8:30PM May 22, 2020Observed: 16.33 ft at 8:45PM May 22, 2020Observed: 16.36 ft at 9:00PM May 22, 2020Observed: 16.36 ft at 9:15PM May 22, 2020Observed: 16.34 ft at 9:30PM May 22, 2020Observed: 16.35 ft at 9:45PM May 22, 2020Observed: 16.35 ft at 10:00PM May 22, 2020Observed: 16.36 ft at 10:15PM May 22, 2020Observed: 16.35 ft at 10:30PM May 22, 2020Observed: 16.35 ft at 10:45PM May 22, 2020Observed: 16.34 ft at 11:00PM May 22, 2020Observed: 16.32 ft at 11:15PM May 22, 2020Observed: 16.35 ft at 11:30PM May 22, 2020Observed: 16.33 ft at 11:45PM May 22, 2020Observed: 16.34 ft at 12:00AM May 23, 2020Observed: 16.32 ft at 12:15AM May 23, 2020Observed: 16.34 ft at 12:30AM May 23, 2020Observed: 16.33 ft at 12:45AM May 23, 2020Observed: 16.34 ft at 1:00AM May 23, 2020Observed: 16.33 ft at 1:15AM May 23, 2020Observed: 16.33 ft at 1:30AM May 23, 2020Observed: 16.33 ft at 1:45AM May 23, 2020Observed: 16.32 ft at 2:00AM May 23, 2020Observed: 16.32 ft at 2:15AM May 23, 2020Observed: 16.32 ft at 2:17AM May 23, 2020Observed: 16.31 ft at 2:30AM May 23, 2020Observed: 16.31 ft at 2:32AM May 23, 2020Observed: 16.32 ft at 2:45AM May 23, 2020Observed: 16.32 ft at 2:47AM May 23, 2020Observed: 16.31 ft at 3:00AM May 23, 2020Observed: 16.28 ft at 3:15AM May 23, 2020Observed: 16.31 ft at 3:30AM May 23, 2020Observed: 16.3 ft at 3:45AM May 23, 2020Observed: 16.3 ft at 4:00AM May 23, 2020Observed: 16.3 ft at 4:15AM May 23, 2020Observed: 16.3 ft at 4:30AM May 23, 2020Observed: 16.3 ft at 4:45AM May 23, 2020Observed: 16.28 ft at 5:00AM May 23, 2020Observed: 16.28 ft at 5:15AM May 23, 2020Observed: 16.28 ft at 5:30AM May 23, 2020Observed: 16.29 ft at 5:45AM May 23, 2020Observed: 16.27 ft at 6:00AM May 23, 2020Observed: 16.28 ft at 6:15AM May 23, 2020Observed: 16.27 ft at 6:30AM May 23, 2020Observed: 16.27 ft at 6:45AM May 23, 2020Observed: 16.26 ft at 7:00AM May 23, 2020Observed: 16.26 ft at 7:15AM May 23, 2020Observed: 16.25 ft at 7:30AM May 23, 2020Observed: 16.23 ft at 7:45AM May 23, 2020Observed: 16.24 ft at 8:00AM May 23, 2020Observed: 16.24 ft at 8:15AM May 23, 2020Observed: 16.23 ft at 8:30AM May 23, 2020Observed: 16.24 ft at 8:45AM May 23, 2020Observed: 16.22 ft at 9:00AM May 23, 2020Observed: 16.23 ft at 9:15AM May 23, 2020Observed: 16.24 ft at 9:30AM May 23, 2020Observed: 16.23 ft at 9:45AM May 23, 2020Observed: 16.23 ft at 10:00AM May 23, 2020Observed: 16.21 ft at 10:15AM May 23, 2020Observed: 16.2 ft at 10:30AM May 23, 2020Observed: 16.2 ft at 10:32AM May 23, 2020Observed: 16.22 ft at 10:45AM May 23, 2020Observed: 16.22 ft at 10:47AM May 23, 2020Observed: 16.21 ft at 11:00AM May 23, 2020Observed: 16.21 ft at 11:02AM May 23, 2020Observed: 16.2 ft at 11:15AM May 23, 2020Observed: 16.2 ft at 11:30AM May 23, 2020Observed: 16.21 ft at 11:45AM May 23, 2020Observed: 16.19 ft at 12:00PM May 23, 2020Observed: 16.2 ft at 12:15PM May 23, 2020Observed: 16.2 ft at 12:30PM May 23, 2020Observed: 16.18 ft at 12:45PM May 23, 2020Observed: 16.21 ft at 1:00PM May 23, 2020Observed: 16.18 ft at 1:15PM May 23, 2020Observed: 16.19 ft at 1:30PM May 23, 2020Observed: 16.18 ft at 1:45PM May 23, 2020Observed: 16.18 ft at 2:00PM May 23, 2020Observed: 16.19 ft at 2:15PM May 23, 2020Observed: 16.18 ft at 2:30PM May 23, 2020Observed: 16.19 ft at 2:45PM May 23, 2020Observed: 16.16 ft at 3:00PM May 23, 2020Observed: 16.17 ft at 3:15PM May 23, 2020Observed: 16.17 ft at 3:30PM May 23, 2020Observed: 16.19 ft at 3:45PM May 23, 2020Observed: 16.16 ft at 4:00PM May 23, 2020Observed: 16.18 ft at 4:15PM May 23, 2020Observed: 16.17 ft at 4:30PM May 23, 2020Observed: 16.17 ft at 4:45PM May 23, 2020Observed: 16.17 ft at 5:00PM May 23, 2020Observed: 16.16 ft at 5:15PM May 23, 2020Observed: 16.16 ft at 5:30PM May 23, 2020Observed: 16.14 ft at 5:45PM May 23, 2020Observed: 16.16 ft at 6:00PM May 23, 2020Observed: 16.17 ft at 6:15PM May 23, 2020Observed: 16.16 ft at 6:30PM May 23, 2020Observed: 16.16 ft at 6:31PM May 23, 2020Observed: 16.13 ft at 6:45PM May 23, 2020Observed: 16.13 ft at 6:46PM May 23, 2020Observed: 16.15 ft at 7:00PM May 23, 2020Observed: 16.15 ft at 7:01PM May 23, 2020Observed: 16.13 ft at 7:15PM May 23, 2020Observed: 16.15 ft at 7:30PM May 23, 2020Observed: 16.13 ft at 7:45PM May 23, 2020Observed: 16.13 ft at 8:00PM May 23, 2020Observed: 16.12 ft at 8:15PM May 23, 2020Observed: 16.13 ft at 8:30PM May 23, 2020Observed: 16.1 ft at 8:45PM May 23, 2020Observed: 16.11 ft at 9:00PM May 23, 2020Observed: 16.1 ft at 9:15PM May 23, 2020Observed: 16.1 ft at 9:30PM May 23, 2020Observed: 16.11 ft at 9:45PM May 23, 2020Observed: 16.1 ft at 10:00PM May 23, 2020Observed: 16.09 ft at 10:15PM May 23, 2020Observed: 16.11 ft at 10:30PM May 23, 2020Observed: 16.08 ft at 10:45PM May 23, 2020Observed: 16.08 ft at 11:00PM May 23, 2020Observed: 16.07 ft at 11:15PM May 23, 2020Observed: 16.05 ft at 11:30PM May 23, 2020Observed: 16.07 ft at 11:45PM May 23, 2020Observed: 16.06 ft at 12:00AM May 24, 2020Observed: 16.05 ft at 12:15AM May 24, 2020Observed: 16.06 ft at 12:30AM May 24, 2020Observed: 16.05 ft at 12:45AM May 24, 2020Observed: 16.09 ft at 1:00AM May 24, 2020Observed: 16.08 ft at 1:15AM May 24, 2020Observed: 16.08 ft at 1:30AM May 24, 2020Observed: 16.05 ft at 1:45AM May 24, 2020Observed: 16.05 ft at 2:00AM May 24, 2020Observed: 16.06 ft at 2:15AM May 24, 2020Observed: 16.05 ft at 2:30AM May 24, 2020Observed: 16.05 ft at 2:31AM May 24, 2020Observed: 16.08 ft at 2:45AM May 24, 2020Observed: 16.08 ft at 2:46AM May 24, 2020Observed: 16.05 ft at 3:00AM May 24, 2020Observed: 16.05 ft at 3:01AM May 24, 2020Observed: 16.06 ft at 3:15AM May 24, 2020Observed: 16.06 ft at 3:30AM May 24, 2020Observed: 16.06 ft at 3:45AM May 24, 2020Observed: 16.03 ft at 4:00AM May 24, 2020Observed: 15.94 ft at 4:15AM May 24, 2020Observed: 15.93 ft at 4:30AM May 24, 2020Observed: 16.01 ft at 4:45AM May 24, 2020Observed: 16.05 ft at 5:00AM May 24, 2020Observed: 16.05 ft at 5:15AM May 24, 2020Observed: 16.06 ft at 5:30AM May 24, 2020Observed: 16.06 ft at 5:45AM May 24, 2020Observed: 16.08 ft at 6:00AM May 24, 2020Observed: 16.08 ft at 6:15AM May 24, 2020Observed: 16.09 ft at 6:30AM May 24, 2020Observed: 16.08 ft at 6:45AM May 24, 2020Observed: 16.09 ft at 7:00AM May 24, 2020Observed: 16.08 ft at 7:15AM May 24, 2020Observed: 16.08 ft at 7:30AM May 24, 2020Observed: 16.1 ft at 7:45AM May 24, 2020Observed: 16.09 ft at 8:00AM May 24, 2020Observed: 16.07 ft at 8:15AM May 24, 2020Observed: 16.08 ft at 8:30AM May 24, 2020Observed: 16.06 ft at 8:45AM May 24, 2020Observed: 16.07 ft at 9:00AM May 24, 2020Observed: 16.05 ft at 9:15AM May 24, 2020Observed: 16.02 ft at 9:30AM May 24, 2020Observed: 16.06 ft at 9:45AM May 24, 2020Observed: 15.99 ft at 10:00AM May 24, 2020Observed: 16 ft at 10:15AM May 24, 2020Observed: 16.01 ft at 10:30AM May 24, 2020Observed: 16.01 ft at 10:31AM May 24, 2020Observed: 16.03 ft at 10:45AM May 24, 2020Observed: 16.03 ft at 10:46AM May 24, 2020Observed: 16.01 ft at 11:00AM May 24, 2020Observed: 16.01 ft at 11:01AM May 24, 2020Observed: 16.03 ft at 11:15AM May 24, 2020Observed: 16 ft at 11:30AM May 24, 2020Observed: 15.99 ft at 11:45AM May 24, 2020Observed: 16.03 ft at 12:00PM May 24, 2020Observed: 16 ft at 12:15PM May 24, 2020Observed: 15.99 ft at 12:30PM May 24, 2020Observed: 16.03 ft at 12:45PM May 24, 2020Observed: 16 ft at 1:00PM May 24, 2020Observed: 16.05 ft at 1:15PM May 24, 2020Observed: 16.03 ft at 1:30PM May 24, 2020Observed: 16 ft at 1:45PM May 24, 2020Observed: 16.03 ft at 2:00PM May 24, 2020Observed: 16.02 ft at 2:15PM May 24, 2020Observed: 16.02 ft at 2:30PM May 24, 2020Observed: 16.04 ft at 2:45PM May 24, 2020Observed: 16 ft at 3:00PM May 24, 2020Observed: 16.01 ft at 3:15PM May 24, 2020Observed: 16.03 ft at 3:30PM May 24, 2020Observed: 16.03 ft at 3:45PM May 24, 2020Observed: 16.02 ft at 4:00PM May 24, 2020Observed: 16.02 ft at 4:15PM May 24, 2020Observed: 16.01 ft at 4:30PM May 24, 2020Observed: 16.03 ft at 4:45PM May 24, 2020Observed: 16.03 ft at 5:00PM May 24, 2020Observed: 16.03 ft at 5:15PM May 24, 2020Observed: 16.02 ft at 5:30PM May 24, 2020Observed: 16.02 ft at 5:45PM May 24, 2020Observed: 16.04 ft at 6:00PM May 24, 2020Observed: 16.03 ft at 6:15PM May 24, 2020Observed: 16.02 ft at 6:30PM May 24, 2020Observed: 16.02 ft at 6:32PM May 24, 2020Observed: 16.02 ft at 6:45PM May 24, 2020Observed: 16.02 ft at 6:47PM May 24, 2020Observed: 16.02 ft at 7:00PM May 24, 2020Observed: 16.02 ft at 7:02PM May 24, 2020Observed: 16 ft at 7:15PM May 24, 2020Observed: 16 ft at 7:30PM May 24, 2020Observed: 15.99 ft at 7:45PM May 24, 2020Observed: 15.99 ft at 8:00PM May 24, 2020Observed: 15.99 ft at 8:15PM May 24, 2020Observed: 16 ft at 8:30PM May 24, 2020Observed: 16 ft at 8:45PM May 24, 2020Observed: 16 ft at 9:00PM May 24, 2020Observed: 15.99 ft at 9:15PM May 24, 2020Observed: 15.97 ft at 9:30PM May 24, 2020Observed: 15.99 ft at 9:45PM May 24, 2020Observed: 15.97 ft at 10:00PM May 24, 2020Observed: 15.99 ft at 10:15PM May 24, 2020Observed: 15.98 ft at 10:30PM May 24, 2020Observed: 15.99 ft at 10:45PM May 24, 2020Observed: 15.98 ft at 11:00PM May 24, 2020Observed: 15.97 ft at 11:15PM May 24, 2020Observed: 15.99 ft at 11:30PM May 24, 2020Observed: 15.97 ft at 11:45PM May 24, 2020Observed: 15.98 ft at 12:00AM May 25, 2020Observed: 15.95 ft at 12:15AM May 25, 2020Observed: 15.96 ft at 12:30AM May 25, 2020Observed: 15.97 ft at 12:45AM May 25, 2020Observed: 15.96 ft at 1:00AM May 25, 2020Observed: 15.96 ft at 1:15AM May 25, 2020Observed: 15.97 ft at 1:30AM May 25, 2020Observed: 15.94 ft at 1:45AM May 25, 2020Observed: 15.95 ft at 2:00AM May 25, 2020Observed: 15.94 ft at 2:15AM May 25, 2020Observed: 15.96 ft at 2:30AM May 25, 2020Observed: 15.96 ft at 2:31AM May 25, 2020Observed: 15.94 ft at 2:45AM May 25, 2020Observed: 15.94 ft at 2:46AM May 25, 2020Observed: 15.92 ft at 3:00AM May 25, 2020Observed: 15.92 ft at 3:01AM May 25, 2020Observed: 15.95 ft at 3:15AM May 25, 2020Observed: 15.93 ft at 3:30AM May 25, 2020Observed: 15.93 ft at 3:45AM May 25, 2020Observed: 15.93 ft at 4:00AM May 25, 2020Observed: 15.93 ft at 4:15AM May 25, 2020Observed: 15.91 ft at 4:30AM May 25, 2020Observed: 15.95 ft at 4:45AM May 25, 2020Observed: 15.94 ft at 5:00AM May 25, 2020Observed: 15.93 ft at 5:15AM May 25, 2020Observed: 15.94 ft at 5:30AM May 25, 2020Observed: 15.91 ft at 5:45AM May 25, 2020Observed: 15.92 ft at 6:00AM May 25, 2020Observed: 15.92 ft at 6:15AM May 25, 2020Observed: 15.91 ft at 6:30AM May 25, 2020Observed: 15.9 ft at 6:45AM May 25, 2020Observed: 15.91 ft at 7:00AM May 25, 2020Observed: 15.9 ft at 7:15AM May 25, 2020Observed: 15.89 ft at 7:30AM May 25, 2020Observed: 15.87 ft at 7:45AM May 25, 2020Observed: 15.89 ft at 8:00AM May 25, 2020Observed: 15.87 ft at 8:15AM May 25, 2020Observed: 15.88 ft at 8:30AM May 25, 2020Observed: 15.9 ft at 8:45AM May 25, 2020Observed: 15.89 ft at 9:00AM May 25, 2020Observed: 15.87 ft at 9:15AM May 25, 2020Observed: 15.89 ft at 9:30AM May 25, 2020Observed: 15.87 ft at 9:45AM May 25, 2020Observed: 15.9 ft at 10:00AM May 25, 2020Observed: 15.88 ft at 10:15AM May 25, 2020Observed: 15.88 ft at 10:30AM May 25, 2020Observed: 15.88 ft at 10:32AM May 25, 2020Observed: 15.87 ft at 10:45AM May 25, 2020Observed: 15.87 ft at 10:47AM May 25, 2020Observed: 15.88 ft at 11:00AM May 25, 2020Observed: 15.88 ft at 11:02AM May 25, 2020Observed: 15.88 ft at 11:15AM May 25, 2020Observed: 15.88 ft at 11:30AM May 25, 2020Observed: 15.88 ft at 11:45AM May 25, 2020Observed: 15.88 ft at 12:00PM May 25, 2020Observed: 15.89 ft at 12:15PM May 25, 2020Observed: 15.9 ft at 12:30PM May 25, 2020Observed: 15.87 ft at 12:45PM May 25, 2020Observed: 15.89 ft at 1:00PM May 25, 2020Observed: 15.89 ft at 1:15PM May 25, 2020Observed: 15.88 ft at 1:30PM May 25, 2020Observed: 15.88 ft at 1:45PM May 25, 2020Observed: 15.87 ft at 2:00PM May 25, 2020Observed: 15.86 ft at 2:15PM May 25, 2020Observed: 15.88 ft at 2:30PM May 25, 2020Observed: 15.87 ft at 2:45PM May 25, 2020Observed: 15.89 ft at 3:00PM May 25, 2020Observed: 15.88 ft at 3:15PM May 25, 2020Observed: 15.88 ft at 3:30PM May 25, 2020Observed: 15.89 ft at 3:45PM May 25, 2020Observed: 15.88 ft at 4:00PM May 25, 2020Observed: 15.87 ft at 4:15PM May 25, 2020Observed: 15.87 ft at 4:30PM May 25, 2020Observed: 15.87 ft at 4:45PM May 25, 2020Observed: 15.87 ft at 5:00PM May 25, 2020Observed: 15.86 ft at 5:15PM May 25, 2020Observed: 15.85 ft at 5:30PM May 25, 2020Observed: 15.86 ft at 5:45PM May 25, 2020Observed: 15.86 ft at 6:00PM May 25, 2020Observed: 15.85 ft at 6:15PM May 25, 2020Observed: 15.85 ft at 6:30PM May 25, 2020Observed: 15.85 ft at 6:32PM May 25, 2020Observed: 15.86 ft at 6:45PM May 25, 2020Observed: 15.86 ft at 6:47PM May 25, 2020Observed: 15.87 ft at 7:00PM May 25, 2020Observed: 15.87 ft at 7:02PM May 25, 2020Observed: 15.84 ft at 7:15PM May 25, 2020Observed: 15.87 ft at 7:30PM May 25, 2020Observed: 15.88 ft at 7:45PM May 25, 2020Observed: 15.87 ft at 8:00PM May 25, 2020Observed: 15.87 ft at 8:15PM May 25, 2020Observed: 15.87 ft at 8:30PM May 25, 2020Observed: 15.87 ft at 8:45PM May 25, 2020Observed: 15.88 ft at 9:00PM May 25, 2020Observed: 15.89 ft at 9:15PM May 25, 2020Observed: 15.89 ft at 9:30PM May 25, 2020Observed: 15.87 ft at 9:45PM May 25, 2020Observed: 15.89 ft at 10:00PM May 25, 2020Observed: 15.89 ft at 10:15PM May 25, 2020Observed: 15.89 ft at 10:30PM May 25, 2020Observed: 15.87 ft at 10:45PM May 25, 2020Observed: 15.88 ft at 11:00PM May 25, 2020Observed: 15.89 ft at 11:15PM May 25, 2020Observed: 15.89 ft at 11:30PM May 25, 2020Observed: 15.9 ft at 11:45PM May 25, 2020Observed: 15.89 ft at 12:00AM May 26, 2020Observed: 15.89 ft at 12:15AM May 26, 2020Observed: 15.89 ft at 12:30AM May 26, 2020Observed: 15.91 ft at 12:45AM May 26, 2020Observed: 15.91 ft at 1:00AM May 26, 2020Observed: 15.91 ft at 1:15AM May 26, 2020Observed: 15.92 ft at 1:30AM May 26, 2020Observed: 15.91 ft at 1:45AM May 26, 2020Observed: 15.91 ft at 2:00AM May 26, 2020Observed: 15.92 ft at 2:15AM May 26, 2020Observed: 15.91 ft at 2:30AM May 26, 2020Observed: 15.91 ft at 2:31AM May 26, 2020Observed: 15.91 ft at 2:45AM May 26, 2020Observed: 15.91 ft at 2:46AM May 26, 2020Observed: 15.91 ft at 3:00AM May 26, 2020Observed: 15.91 ft at 3:01AM May 26, 2020Observed: 15.93 ft at 3:15AM May 26, 2020Observed: 15.94 ft at 3:30AM May 26, 2020Observed: 15.93 ft at 3:45AM May 26, 2020Observed: 15.93 ft at 4:00AM May 26, 2020Observed: 15.95 ft at 4:15AM May 26, 2020Observed: 15.95 ft at 4:30AM May 26, 2020Observed: 15.94 ft at 4:45AM May 26, 2020Observed: 15.96 ft at 5:00AM May 26, 2020Observed: 15.96 ft at 5:15AM May 26, 2020Observed: 15.97 ft at 5:30AM May 26, 2020Observed: 15.95 ft at 5:45AM May 26, 2020Observed: 15.98 ft at 6:00AM May 26, 2020Observed: 15.97 ft at 6:15AM May 26, 2020Observed: 15.98 ft at 6:30AM May 26, 2020Observed: 15.98 ft at 6:45AM May 26, 2020Observed: 15.98 ft at 7:00AM May 26, 2020Observed: 15.99 ft at 7:15AM May 26, 2020Observed: 15.99 ft at 7:30AM May 26, 2020Observed: 15.99 ft at 7:45AM May 26, 2020Observed: 16.01 ft at 8:00AM May 26, 2020Observed: 16 ft at 8:15AM May 26, 2020Observed: 16 ft at 8:30AM May 26, 2020Observed: 16.01 ft at 8:45AM May 26, 2020Observed: 16.02 ft at 9:00AM May 26, 2020Observed: 16.01 ft at 9:15AM May 26, 2020Observed: 16.01 ft at 9:30AM May 26, 2020Observed: 16.02 ft at 9:45AM May 26, 2020Observed: 16.02 ft at 10:00AM May 26, 2020Observed: 16 ft at 10:15AM May 26, 2020Observed: 16.03 ft at 10:30AM May 26, 2020Observed: 16.03 ft at 10:31AM May 26, 2020Observed: 16.03 ft at 10:45AM May 26, 2020Observed: 16.03 ft at 10:46AM May 26, 2020Observed: 16.02 ft at 11:00AM May 26, 2020Observed: 16.02 ft at 11:01AM May 26, 2020Observed: 16.03 ft at 11:15AM May 26, 2020Observed: 16.03 ft at 11:30AM May 26, 2020Observed: 16.04 ft at 11:45AM May 26, 2020Observed: 16.06 ft at 12:00PM May 26, 2020Observed: 16.06 ft at 12:15PM May 26, 2020Observed: 16.05 ft at 12:30PM May 26, 2020Observed: 16.06 ft at 12:45PM May 26, 2020Observed: 16.06 ft at 1:00PM May 26, 2020Observed: 16.07 ft at 1:15PM May 26, 2020Observed: 16.06 ft at 1:30PM May 26, 2020Observed: 16.08 ft at 1:45PM May 26, 2020Observed: 16.09 ft at 2:00PM May 26, 2020Observed: 16.09 ft at 2:15PM May 26, 2020Observed: 16.07 ft at 2:30PM May 26, 2020Observed: 16.09 ft at 2:45PM May 26, 2020Observed: 16.09 ft at 3:00PM May 26, 2020Observed: 16.11 ft at 3:15PM May 26, 2020Observed: 16.12 ft at 3:30PM May 26, 2020USGS--Water Resources of the United StatesSXCI4(plotting HGIRG) Graph Created (4:34PM May 26, 2020)ObservedLatest observed value: 16.12 ft at 3:30 PM CDT 26-May-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) 37.46 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
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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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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