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Hydrograph River at a Glance Download
Big Sioux River at Sioux City Stage (ft)Flow (kcfs)Observed: 11.03 ft at 1:15PM Apr 18, 2015Observed: 11.02 ft at 1:30PM Apr 18, 2015Observed: 11.04 ft at 1:45PM Apr 18, 2015Observed: 11.07 ft at 2:00PM Apr 18, 2015Observed: 11.06 ft at 2:15PM Apr 18, 2015Observed: 11.06 ft at 2:17PM Apr 18, 2015Observed: 11.05 ft at 2:30PM Apr 18, 2015Observed: 11.05 ft at 2:32PM Apr 18, 2015Observed: 11.05 ft at 2:45PM Apr 18, 2015Observed: 11.05 ft at 2:47PM Apr 18, 2015Highest Observation: 11.08 ft at 3:00PM Apr 18, 2015Observed: 11.07 ft at 3:15PM Apr 18, 2015Observed: 11.07 ft at 3:30PM Apr 18, 2015Observed: 11.07 ft at 3:45PM Apr 18, 2015Observed: 11.07 ft at 4:00PM Apr 18, 2015Observed: 11.06 ft at 4:15PM Apr 18, 2015Observed: 11.06 ft at 4:30PM Apr 18, 2015Observed: 11.06 ft at 4:45PM Apr 18, 2015Observed: 11.05 ft at 5:00PM Apr 18, 2015Observed: 11.05 ft at 5:15PM Apr 18, 2015Observed: 11.06 ft at 5:30PM Apr 18, 2015Observed: 11.06 ft at 5:45PM Apr 18, 2015Observed: 11.06 ft at 6:00PM Apr 18, 2015Observed: 11.06 ft at 6:15PM Apr 18, 2015Observed: 11.05 ft at 6:30PM Apr 18, 2015Observed: 11.04 ft at 6:45PM Apr 18, 2015Observed: 11.06 ft at 7:00PM Apr 18, 2015Observed: 11.06 ft at 7:15PM Apr 18, 2015Observed: 11.04 ft at 7:30PM Apr 18, 2015Observed: 11.04 ft at 8:45PM Apr 18, 2015Observed: 11.06 ft at 9:00PM Apr 18, 2015Observed: 11.05 ft at 9:15PM Apr 18, 2015Observed: 11.04 ft at 9:30PM Apr 18, 2015Observed: 11.05 ft at 9:45PM Apr 18, 2015Observed: 11.04 ft at 10:00PM Apr 18, 2015Observed: 11.05 ft at 10:15PM Apr 18, 2015Observed: 11.05 ft at 10:16PM Apr 18, 2015Observed: 11.04 ft at 10:30PM Apr 18, 2015Observed: 11.04 ft at 10:31PM Apr 18, 2015Observed: 11.05 ft at 10:46PM Apr 18, 2015Observed: 11.04 ft at 11:45PM Apr 18, 2015Observed: 11.04 ft at 12:00AM Apr 19, 2015Observed: 11.06 ft at 12:15AM Apr 19, 2015Observed: 11.05 ft at 12:30AM Apr 19, 2015Observed: 11.05 ft at 12:45AM Apr 19, 2015Observed: 11.05 ft at 1:00AM Apr 19, 2015Observed: 11.06 ft at 1:15AM Apr 19, 2015Observed: 11.07 ft at 1:30AM Apr 19, 2015Observed: 11.06 ft at 1:45AM Apr 19, 2015Highest Observation: 11.08 ft at 2:00AM Apr 19, 2015Highest Observation: 11.08 ft at 2:15AM Apr 19, 2015Highest Observation: 11.08 ft at 2:30AM Apr 19, 2015Observed: 11.07 ft at 2:45AM Apr 19, 2015Highest Observation: 11.08 ft at 3:00AM Apr 19, 2015Observed: 11.07 ft at 3:15AM Apr 19, 2015Observed: 11.07 ft at 3:30AM Apr 19, 2015Observed: 11.07 ft at 3:45AM Apr 19, 2015Observed: 11.07 ft at 4:00AM Apr 19, 2015Observed: 11.07 ft at 4:15AM Apr 19, 2015Observed: 11.05 ft at 4:30AM Apr 19, 2015Observed: 11.06 ft at 4:45AM Apr 19, 2015Observed: 11.05 ft at 5:00AM Apr 19, 2015Observed: 11.06 ft at 5:15AM Apr 19, 2015Observed: 11.06 ft at 5:30AM Apr 19, 2015Observed: 11.07 ft at 5:45AM Apr 19, 2015Observed: 11.07 ft at 6:00AM Apr 19, 2015Observed: 11.07 ft at 6:15AM Apr 19, 2015Observed: 11.07 ft at 6:16AM Apr 19, 2015Observed: 11.07 ft at 6:30AM Apr 19, 2015Observed: 11.07 ft at 6:31AM Apr 19, 2015Observed: 11.05 ft at 6:45AM Apr 19, 2015Observed: 11.05 ft at 6:46AM Apr 19, 2015Observed: 11.04 ft at 7:00AM Apr 19, 2015Observed: 11.04 ft at 7:15AM Apr 19, 2015Observed: 11.04 ft at 7:30AM Apr 19, 2015Observed: 11.04 ft at 7:45AM Apr 19, 2015Observed: 11.04 ft at 8:00AM Apr 19, 2015Observed: 11.04 ft at 8:15AM Apr 19, 2015Observed: 11.04 ft at 8:30AM Apr 19, 2015Observed: 11.04 ft at 8:45AM Apr 19, 2015Observed: 11.04 ft at 9:00AM Apr 19, 2015Observed: 11.04 ft at 9:15AM Apr 19, 2015Observed: 11.04 ft at 9:30AM Apr 19, 2015Observed: 11.04 ft at 9:45AM Apr 19, 2015Observed: 11.02 ft at 10:00AM Apr 19, 2015Observed: 11.02 ft at 10:15AM Apr 19, 2015Observed: 11.04 ft at 10:30AM Apr 19, 2015Observed: 11.02 ft at 10:45AM Apr 19, 2015Observed: 11.03 ft at 11:00AM Apr 19, 2015Observed: 11.02 ft at 11:15AM Apr 19, 2015Observed: 11.03 ft at 11:30AM Apr 19, 2015Observed: 11 ft at 11:45AM Apr 19, 2015Observed: 11.01 ft at 12:00PM Apr 19, 2015Observed: 11.01 ft at 12:15PM Apr 19, 2015Observed: 11 ft at 12:30PM Apr 19, 2015Observed: 11.01 ft at 12:45PM Apr 19, 2015Observed: 11.01 ft at 1:00PM Apr 19, 2015Observed: 11.02 ft at 1:15PM Apr 19, 2015Observed: 11.01 ft at 1:30PM Apr 19, 2015Observed: 11.01 ft at 2:17PM Apr 19, 2015Observed: 11.01 ft at 2:32PM Apr 19, 2015Observed: 11 ft at 2:47PM Apr 19, 2015Observed: 10.99 ft at 3:45PM Apr 19, 2015Observed: 11 ft at 4:00PM Apr 19, 2015Observed: 11 ft at 4:15PM Apr 19, 2015Observed: 11 ft at 4:30PM Apr 19, 2015Observed: 10.98 ft at 4:45PM Apr 19, 2015Observed: 10.97 ft at 5:00PM Apr 19, 2015Observed: 10.97 ft at 5:15PM Apr 19, 2015Observed: 10.97 ft at 5:30PM Apr 19, 2015Observed: 10.97 ft at 5:45PM Apr 19, 2015Observed: 10.97 ft at 6:00PM Apr 19, 2015Observed: 10.97 ft at 6:15PM Apr 19, 2015Observed: 10.97 ft at 6:30PM Apr 19, 2015Observed: 10.96 ft at 6:45PM Apr 19, 2015Observed: 10.97 ft at 7:00PM Apr 19, 2015Observed: 10.97 ft at 7:15PM Apr 19, 2015Observed: 10.96 ft at 7:30PM Apr 19, 2015Observed: 10.98 ft at 7:45PM Apr 19, 2015Observed: 10.98 ft at 8:00PM Apr 19, 2015Observed: 10.98 ft at 8:15PM Apr 19, 2015Observed: 10.97 ft at 8:30PM Apr 19, 2015Observed: 10.99 ft at 8:45PM Apr 19, 2015Observed: 10.98 ft at 9:00PM Apr 19, 2015Observed: 10.98 ft at 9:15PM Apr 19, 2015Observed: 10.98 ft at 9:30PM Apr 19, 2015Observed: 10.97 ft at 9:45PM Apr 19, 2015Observed: 10.98 ft at 10:00PM Apr 19, 2015Observed: 10.96 ft at 10:15PM Apr 19, 2015Observed: 10.96 ft at 10:16PM Apr 19, 2015Observed: 10.98 ft at 10:30PM Apr 19, 2015Observed: 10.98 ft at 10:31PM Apr 19, 2015Observed: 10.97 ft at 10:45PM Apr 19, 2015Observed: 10.97 ft at 10:46PM Apr 19, 2015Observed: 10.97 ft at 11:00PM Apr 19, 2015Observed: 10.98 ft at 11:15PM Apr 19, 2015Observed: 10.97 ft at 11:30PM Apr 19, 2015Observed: 10.96 ft at 11:45PM Apr 19, 2015Observed: 10.96 ft at 12:00AM Apr 20, 2015Observed: 10.97 ft at 12:15AM Apr 20, 2015Observed: 10.95 ft at 12:30AM Apr 20, 2015Observed: 10.95 ft at 12:45AM Apr 20, 2015Observed: 10.97 ft at 1:00AM Apr 20, 2015Observed: 10.95 ft at 1:15AM Apr 20, 2015Observed: 10.96 ft at 1:30AM Apr 20, 2015Observed: 10.95 ft at 1:45AM Apr 20, 2015Observed: 10.97 ft at 2:00AM Apr 20, 2015Observed: 10.96 ft at 2:15AM Apr 20, 2015Observed: 10.95 ft at 2:30AM Apr 20, 2015Observed: 10.96 ft at 2:45AM Apr 20, 2015Observed: 10.96 ft at 3:00AM Apr 20, 2015Observed: 10.95 ft at 3:15AM Apr 20, 2015Observed: 10.95 ft at 3:30AM Apr 20, 2015Observed: 10.93 ft at 3:45AM Apr 20, 2015Observed: 10.94 ft at 4:00AM Apr 20, 2015Observed: 10.97 ft at 4:15AM Apr 20, 2015Observed: 10.95 ft at 4:30AM Apr 20, 2015Observed: 10.94 ft at 4:45AM Apr 20, 2015Observed: 10.94 ft at 5:00AM Apr 20, 2015Observed: 10.94 ft at 5:15AM Apr 20, 2015Observed: 10.94 ft at 5:30AM Apr 20, 2015Observed: 10.92 ft at 6:45AM Apr 20, 2015Observed: 10.94 ft at 7:00AM Apr 20, 2015Observed: 10.94 ft at 7:15AM Apr 20, 2015Observed: 10.94 ft at 7:30AM Apr 20, 2015Observed: 10.93 ft at 7:45AM Apr 20, 2015Observed: 10.92 ft at 8:00AM Apr 20, 2015Observed: 10.92 ft at 8:15AM Apr 20, 2015Observed: 10.92 ft at 8:30AM Apr 20, 2015Observed: 10.92 ft at 8:45AM Apr 20, 2015Observed: 10.91 ft at 9:00AM Apr 20, 2015Observed: 10.92 ft at 9:15AM Apr 20, 2015Observed: 10.91 ft at 9:30AM Apr 20, 2015Observed: 10.9 ft at 9:45AM Apr 20, 2015Observed: 10.89 ft at 10:00AM Apr 20, 2015Observed: 10.88 ft at 10:15AM Apr 20, 2015Observed: 10.85 ft at 10:30AM Apr 20, 2015Observed: 10.85 ft at 10:45AM Apr 20, 2015Observed: 10.87 ft at 11:00AM Apr 20, 2015Observed: 10.85 ft at 11:15AM Apr 20, 2015Observed: 10.85 ft at 11:30AM Apr 20, 2015Observed: 10.82 ft at 11:45AM Apr 20, 2015Observed: 10.86 ft at 12:00PM Apr 20, 2015Observed: 10.83 ft at 12:15PM Apr 20, 2015Observed: 10.83 ft at 12:30PM Apr 20, 2015Observed: 10.82 ft at 12:45PM Apr 20, 2015Observed: 10.78 ft at 1:00PM Apr 20, 2015Observed: 10.83 ft at 1:15PM Apr 20, 2015Observed: 10.81 ft at 1:30PM Apr 20, 2015Observed: 10.78 ft at 1:45PM Apr 20, 2015Observed: 10.79 ft at 2:00PM Apr 20, 2015Observed: 10.79 ft at 2:15PM Apr 20, 2015Observed: 10.79 ft at 2:17PM Apr 20, 2015Observed: 10.77 ft at 2:30PM Apr 20, 2015Observed: 10.77 ft at 2:32PM Apr 20, 2015Observed: 10.74 ft at 2:45PM Apr 20, 2015Observed: 10.74 ft at 2:47PM Apr 20, 2015Observed: 10.75 ft at 3:00PM Apr 20, 2015Observed: 10.77 ft at 3:15PM Apr 20, 2015Observed: 10.73 ft at 3:30PM Apr 20, 2015Observed: 10.72 ft at 3:45PM Apr 20, 2015Observed: 10.72 ft at 4:00PM Apr 20, 2015Observed: 10.73 ft at 4:15PM Apr 20, 2015Observed: 10.71 ft at 4:30PM Apr 20, 2015Observed: 10.69 ft at 4:45PM Apr 20, 2015Observed: 10.74 ft at 5:00PM Apr 20, 2015Observed: 10.68 ft at 5:15PM Apr 20, 2015Observed: 10.66 ft at 5:30PM Apr 20, 2015Observed: 10.7 ft at 5:45PM Apr 20, 2015Observed: 10.68 ft at 6:00PM Apr 20, 2015Observed: 10.66 ft at 6:15PM Apr 20, 2015Observed: 10.68 ft at 6:30PM Apr 20, 2015Observed: 10.63 ft at 6:45PM Apr 20, 2015Observed: 10.66 ft at 7:00PM Apr 20, 2015Observed: 10.65 ft at 7:15PM Apr 20, 2015Observed: 10.65 ft at 7:30PM Apr 20, 2015Observed: 10.64 ft at 7:45PM Apr 20, 2015Observed: 10.64 ft at 8:00PM Apr 20, 2015Observed: 10.65 ft at 8:15PM Apr 20, 2015Observed: 10.64 ft at 8:30PM Apr 20, 2015Observed: 10.62 ft at 8:45PM Apr 20, 2015Observed: 10.62 ft at 9:00PM Apr 20, 2015Observed: 10.62 ft at 9:15PM Apr 20, 2015Observed: 10.61 ft at 9:30PM Apr 20, 2015Observed: 10.6 ft at 9:45PM Apr 20, 2015Observed: 10.6 ft at 10:00PM Apr 20, 2015Observed: 10.59 ft at 10:15PM Apr 20, 2015Observed: 10.58 ft at 10:30PM Apr 20, 2015Observed: 10.58 ft at 10:32PM Apr 20, 2015Observed: 10.58 ft at 10:45PM Apr 20, 2015Observed: 10.58 ft at 10:47PM Apr 20, 2015Observed: 10.57 ft at 11:00PM Apr 20, 2015Observed: 10.57 ft at 11:02PM Apr 20, 2015Observed: 10.54 ft at 11:15PM Apr 20, 2015Observed: 10.57 ft at 11:30PM Apr 20, 2015Observed: 10.56 ft at 11:45PM Apr 20, 2015Observed: 10.55 ft at 12:00AM Apr 21, 2015Observed: 10.53 ft at 12:15AM Apr 21, 2015Observed: 10.53 ft at 12:30AM Apr 21, 2015Observed: 10.53 ft at 12:45AM Apr 21, 2015Observed: 10.52 ft at 1:00AM Apr 21, 2015Observed: 10.5 ft at 1:15AM Apr 21, 2015Observed: 10.49 ft at 1:30AM Apr 21, 2015Observed: 10.52 ft at 1:45AM Apr 21, 2015Observed: 10.49 ft at 2:00AM Apr 21, 2015Observed: 10.5 ft at 2:15AM Apr 21, 2015Observed: 10.49 ft at 2:30AM Apr 21, 2015Observed: 10.49 ft at 2:45AM Apr 21, 2015Observed: 10.47 ft at 3:00AM Apr 21, 2015Observed: 10.48 ft at 3:15AM Apr 21, 2015Observed: 10.45 ft at 3:30AM Apr 21, 2015Observed: 10.45 ft at 4:45AM Apr 21, 2015Observed: 10.43 ft at 5:00AM Apr 21, 2015Observed: 10.43 ft at 5:15AM Apr 21, 2015Observed: 10.45 ft at 5:30AM Apr 21, 2015Observed: 10.44 ft at 5:45AM Apr 21, 2015Observed: 10.44 ft at 6:00AM Apr 21, 2015Observed: 10.42 ft at 6:15AM Apr 21, 2015Observed: 10.42 ft at 6:30AM Apr 21, 2015Observed: 10.42 ft at 6:31AM Apr 21, 2015Observed: 10.43 ft at 6:45AM Apr 21, 2015Observed: 10.43 ft at 6:46AM Apr 21, 2015Observed: 10.43 ft at 7:00AM Apr 21, 2015Observed: 10.43 ft at 7:01AM Apr 21, 2015Observed: 10.41 ft at 7:15AM Apr 21, 2015Observed: 10.42 ft at 7:30AM Apr 21, 2015Observed: 10.41 ft at 7:45AM Apr 21, 2015Observed: 10.43 ft at 8:00AM Apr 21, 2015Observed: 10.39 ft at 8:15AM Apr 21, 2015Observed: 10.4 ft at 8:30AM Apr 21, 2015Observed: 10.39 ft at 8:45AM Apr 21, 2015Observed: 10.39 ft at 9:00AM Apr 21, 2015Observed: 10.37 ft at 9:15AM Apr 21, 2015Observed: 10.39 ft at 9:30AM Apr 21, 2015Observed: 10.39 ft at 9:45AM Apr 21, 2015Observed: 10.39 ft at 10:00AM Apr 21, 2015Observed: 10.38 ft at 10:15AM Apr 21, 2015Observed: 10.39 ft at 10:30AM Apr 21, 2015Observed: 10.39 ft at 10:45AM Apr 21, 2015Observed: 10.37 ft at 11:00AM Apr 21, 2015Observed: 10.37 ft at 11:15AM Apr 21, 2015Observed: 10.39 ft at 11:30AM Apr 21, 2015Observed: 10.38 ft at 11:45AM Apr 21, 2015Observed: 10.38 ft at 12:00PM Apr 21, 2015Observed: 10.38 ft at 12:15PM Apr 21, 2015Observed: 10.38 ft at 12:30PM Apr 21, 2015Observed: 10.38 ft at 12:45PM Apr 21, 2015Observed: 10.37 ft at 1:00PM Apr 21, 2015Observed: 10.36 ft at 1:15PM Apr 21, 2015Observed: 10.37 ft at 1:30PM Apr 21, 2015Observed: 10.38 ft at 1:45PM Apr 21, 2015Observed: 10.4 ft at 2:00PM Apr 21, 2015Observed: 10.38 ft at 2:15PM Apr 21, 2015Observed: 10.37 ft at 2:30PM Apr 21, 2015Observed: 10.37 ft at 2:31PM Apr 21, 2015Observed: 10.39 ft at 2:45PM Apr 21, 2015Observed: 10.39 ft at 2:46PM Apr 21, 2015Observed: 10.38 ft at 3:00PM Apr 21, 2015Observed: 10.38 ft at 3:01PM Apr 21, 2015Observed: 10.38 ft at 3:15PM Apr 21, 2015Observed: 10.36 ft at 3:30PM Apr 21, 2015Observed: 10.37 ft at 3:45PM Apr 21, 2015Observed: 10.38 ft at 4:00PM Apr 21, 2015Observed: 10.38 ft at 4:15PM Apr 21, 2015Observed: 10.37 ft at 4:30PM Apr 21, 2015Observed: 10.36 ft at 4:45PM Apr 21, 2015Observed: 10.36 ft at 5:00PM Apr 21, 2015Observed: 10.37 ft at 5:15PM Apr 21, 2015Observed: 10.37 ft at 5:30PM Apr 21, 2015Observed: 10.38 ft at 5:45PM Apr 21, 2015Observed: 10.36 ft at 6:00PM Apr 21, 2015Observed: 10.37 ft at 6:15PM Apr 21, 2015Observed: 10.37 ft at 6:30PM Apr 21, 2015Observed: 10.37 ft at 6:45PM Apr 21, 2015Observed: 10.37 ft at 7:00PM Apr 21, 2015Observed: 10.37 ft at 7:15PM Apr 21, 2015Observed: 10.36 ft at 7:30PM Apr 21, 2015Observed: 10.37 ft at 7:45PM Apr 21, 2015Observed: 10.38 ft at 8:00PM Apr 21, 2015Observed: 10.38 ft at 8:15PM Apr 21, 2015Observed: 10.38 ft at 8:30PM Apr 21, 2015Observed: 10.38 ft at 8:45PM Apr 21, 2015Observed: 10.39 ft at 9:00PM Apr 21, 2015Observed: 10.38 ft at 9:15PM Apr 21, 2015Observed: 10.39 ft at 9:30PM Apr 21, 2015Observed: 10.4 ft at 9:45PM Apr 21, 2015Observed: 10.39 ft at 10:00PM Apr 21, 2015Observed: 10.4 ft at 10:15PM Apr 21, 2015Observed: 10.39 ft at 10:30PM Apr 21, 2015Observed: 10.39 ft at 10:31PM Apr 21, 2015Observed: 10.4 ft at 10:45PM Apr 21, 2015Observed: 10.4 ft at 10:46PM Apr 21, 2015Observed: 10.41 ft at 11:00PM Apr 21, 2015Observed: 10.41 ft at 11:01PM Apr 21, 2015Observed: 10.4 ft at 11:15PM Apr 21, 2015Observed: 10.4 ft at 11:30PM Apr 21, 2015Observed: 10.42 ft at 11:45PM Apr 21, 2015Observed: 10.42 ft at 12:00AM Apr 22, 2015Observed: 10.41 ft at 12:15AM Apr 22, 2015Observed: 10.43 ft at 12:30AM Apr 22, 2015Observed: 10.42 ft at 12:45AM Apr 22, 2015Observed: 10.43 ft at 1:00AM Apr 22, 2015Observed: 10.43 ft at 1:15AM Apr 22, 2015Observed: 10.44 ft at 1:30AM Apr 22, 2015Observed: 10.42 ft at 1:45AM Apr 22, 2015Observed: 10.43 ft at 2:00AM Apr 22, 2015Observed: 10.43 ft at 2:15AM Apr 22, 2015Observed: 10.43 ft at 2:30AM Apr 22, 2015Observed: 10.42 ft at 2:45AM Apr 22, 2015Observed: 10.43 ft at 3:00AM Apr 22, 2015Observed: 10.43 ft at 3:15AM Apr 22, 2015Observed: 10.44 ft at 3:30AM Apr 22, 2015Observed: 10.42 ft at 3:45AM Apr 22, 2015Observed: 10.43 ft at 4:00AM Apr 22, 2015Observed: 10.43 ft at 4:15AM Apr 22, 2015Observed: 10.44 ft at 4:30AM Apr 22, 2015Observed: 10.43 ft at 5:45AM Apr 22, 2015Observed: 10.45 ft at 6:00AM Apr 22, 2015Observed: 10.47 ft at 6:15AM Apr 22, 2015Observed: 10.44 ft at 6:30AM Apr 22, 2015Observed: 10.44 ft at 6:31AM Apr 22, 2015Observed: 10.46 ft at 6:45AM Apr 22, 2015Observed: 10.46 ft at 6:46AM Apr 22, 2015Observed: 10.46 ft at 7:00AM Apr 22, 2015Observed: 10.46 ft at 7:01AM Apr 22, 2015Observed: 10.46 ft at 7:15AM Apr 22, 2015Observed: 10.46 ft at 7:30AM Apr 22, 2015Observed: 10.46 ft at 7:45AM Apr 22, 2015Observed: 10.46 ft at 8:00AM Apr 22, 2015Observed: 10.48 ft at 8:15AM Apr 22, 2015Observed: 10.47 ft at 8:30AM Apr 22, 2015Observed: 10.49 ft at 8:45AM Apr 22, 2015Observed: 10.48 ft at 9:00AM Apr 22, 2015Observed: 10.46 ft at 9:15AM Apr 22, 2015Observed: 10.48 ft at 9:30AM Apr 22, 2015Observed: 10.47 ft at 9:45AM Apr 22, 2015Observed: 10.47 ft at 10:00AM Apr 22, 2015Observed: 10.46 ft at 10:15AM Apr 22, 2015Observed: 10.48 ft at 10:30AM Apr 22, 2015Observed: 10.49 ft at 10:45AM Apr 22, 2015Observed: 10.48 ft at 11:00AM Apr 22, 2015Observed: 10.5 ft at 11:15AM Apr 22, 2015Observed: 10.5 ft at 11:30AM Apr 22, 2015Observed: 10.5 ft at 11:45AM Apr 22, 2015Observed: 10.51 ft at 12:00PM Apr 22, 2015Observed: 10.51 ft at 12:15PM Apr 22, 2015Observed: 10.49 ft at 12:30PM Apr 22, 2015Observed: 10.49 ft at 12:45PM Apr 22, 2015Observed: 10.49 ft at 1:00PM Apr 22, 2015Observed: 10.5 ft at 1:15PM Apr 22, 2015Observed: 10.49 ft at 1:30PM Apr 22, 2015Observed: 10.49 ft at 1:45PM Apr 22, 2015Observed: 10.49 ft at 2:00PM Apr 22, 2015Observed: 10.51 ft at 2:15PM Apr 22, 2015Observed: 10.5 ft at 2:30PM Apr 22, 2015Observed: 10.5 ft at 2:31PM Apr 22, 2015Observed: 10.5 ft at 2:45PM Apr 22, 2015Observed: 10.5 ft at 2:46PM Apr 22, 2015Observed: 10.49 ft at 3:00PM Apr 22, 2015Observed: 10.49 ft at 3:01PM Apr 22, 2015Observed: 10.5 ft at 3:15PM Apr 22, 2015Observed: 10.51 ft at 3:30PM Apr 22, 2015Observed: 10.5 ft at 4:45PM Apr 22, 2015Observed: 10.5 ft at 5:00PM Apr 22, 2015Observed: 10.5 ft at 5:15PM Apr 22, 2015Observed: 10.52 ft at 5:30PM Apr 22, 2015Observed: 10.51 ft at 5:45PM Apr 22, 2015Observed: 10.52 ft at 6:00PM Apr 22, 2015Observed: 10.51 ft at 6:15PM Apr 22, 2015Observed: 10.51 ft at 6:30PM Apr 22, 2015Observed: 10.5 ft at 7:45PM Apr 22, 2015Observed: 10.51 ft at 8:00PM Apr 22, 2015Observed: 10.51 ft at 8:15PM Apr 22, 2015Observed: 10.53 ft at 8:30PM Apr 22, 2015Observed: 10.52 ft at 8:45PM Apr 22, 2015Observed: 10.51 ft at 9:00PM Apr 22, 2015Observed: 10.51 ft at 9:15PM Apr 22, 2015Observed: 10.52 ft at 9:30PM Apr 22, 2015Observed: 10.5 ft at 9:45PM Apr 22, 2015Observed: 10.51 ft at 10:00PM Apr 22, 2015Observed: 10.51 ft at 10:15PM Apr 22, 2015Observed: 10.5 ft at 10:30PM Apr 22, 2015Observed: 10.5 ft at 10:31PM Apr 22, 2015Observed: 10.51 ft at 10:45PM Apr 22, 2015Observed: 10.51 ft at 10:46PM Apr 22, 2015Observed: 10.51 ft at 11:00PM Apr 22, 2015Observed: 10.51 ft at 11:01PM Apr 22, 2015Observed: 10.5 ft at 11:15PM Apr 22, 2015Observed: 10.51 ft at 11:30PM Apr 22, 2015Observed: 10.52 ft at 11:45PM Apr 22, 2015Observed: 10.51 ft at 12:00AM Apr 23, 2015Observed: 10.52 ft at 12:15AM Apr 23, 2015Observed: 10.51 ft at 12:30AM Apr 23, 2015Observed: 10.52 ft at 12:45AM Apr 23, 2015Observed: 10.51 ft at 1:00AM Apr 23, 2015Observed: 10.51 ft at 1:15AM Apr 23, 2015Observed: 10.53 ft at 1:30AM Apr 23, 2015Observed: 10.51 ft at 1:45AM Apr 23, 2015Observed: 10.52 ft at 2:00AM Apr 23, 2015Observed: 10.51 ft at 2:15AM Apr 23, 2015Observed: 10.51 ft at 2:30AM Apr 23, 2015Observed: 10.52 ft at 2:45AM Apr 23, 2015Observed: 10.51 ft at 3:00AM Apr 23, 2015Observed: 10.52 ft at 3:15AM Apr 23, 2015Observed: 10.51 ft at 3:30AM Apr 23, 2015Observed: 10.51 ft at 3:45AM Apr 23, 2015Observed: 10.51 ft at 4:00AM Apr 23, 2015Observed: 10.5 ft at 4:15AM Apr 23, 2015Observed: 10.5 ft at 4:30AM Apr 23, 2015Observed: 10.51 ft at 5:45AM Apr 23, 2015Observed: 10.5 ft at 6:00AM Apr 23, 2015Observed: 10.5 ft at 6:15AM Apr 23, 2015Observed: 10.51 ft at 6:30AM Apr 23, 2015Observed: 10.51 ft at 6:31AM Apr 23, 2015Observed: 10.51 ft at 6:46AM Apr 23, 2015Observed: 10.5 ft at 7:01AM Apr 23, 2015Observed: 10.51 ft at 7:45AM Apr 23, 2015Observed: 10.5 ft at 8:00AM Apr 23, 2015Observed: 10.51 ft at 8:15AM Apr 23, 2015Observed: 10.51 ft at 8:30AM Apr 23, 2015Observed: 10.51 ft at 8:45AM Apr 23, 2015Observed: 10.51 ft at 9:00AM Apr 23, 2015Observed: 10.51 ft at 9:15AM Apr 23, 2015Observed: 10.51 ft at 9:30AM Apr 23, 2015Observed: 10.52 ft at 9:45AM Apr 23, 2015Observed: 10.52 ft at 10:00AM Apr 23, 2015Observed: 10.52 ft at 10:15AM Apr 23, 2015Observed: 10.53 ft at 10:30AM Apr 23, 2015Observed: 10.51 ft at 10:45AM Apr 23, 2015Observed: 10.51 ft at 11:00AM Apr 23, 2015Observed: 10.53 ft at 11:15AM Apr 23, 2015Observed: 10.53 ft at 11:30AM Apr 23, 2015Observed: 10.53 ft at 11:45AM Apr 23, 2015Observed: 10.52 ft at 12:00PM Apr 23, 2015Observed: 10.53 ft at 12:15PM Apr 23, 2015Observed: 10.53 ft at 12:30PM Apr 23, 2015Observed: 10.53 ft at 1:45PM Apr 23, 2015Observed: 10.52 ft at 2:00PM Apr 23, 2015Observed: 10.51 ft at 2:15PM Apr 23, 2015Observed: 10.52 ft at 2:30PM Apr 23, 2015Observed: 10.52 ft at 2:45PM Apr 23, 2015Observed: 10.53 ft at 3:00PM Apr 23, 2015Observed: 10.51 ft at 3:15PM Apr 23, 2015Observed: 10.53 ft at 3:30PM Apr 23, 2015Observed: 10.52 ft at 3:45PM Apr 23, 2015Observed: 10.52 ft at 4:00PM Apr 23, 2015Observed: 10.51 ft at 4:15PM Apr 23, 2015Observed: 10.51 ft at 4:30PM Apr 23, 2015Observed: 10.5 ft at 4:45PM Apr 23, 2015Observed: 10.52 ft at 5:00PM Apr 23, 2015Observed: 10.53 ft at 5:15PM Apr 23, 2015Observed: 10.51 ft at 5:30PM Apr 23, 2015Observed: 10.5 ft at 5:45PM Apr 23, 2015Observed: 10.51 ft at 6:00PM Apr 23, 2015Observed: 10.51 ft at 6:15PM Apr 23, 2015Observed: 10.5 ft at 6:30PM Apr 23, 2015Observed: 10.5 ft at 6:45PM Apr 23, 2015Observed: 10.51 ft at 7:00PM Apr 23, 2015Observed: 10.51 ft at 7:15PM Apr 23, 2015Observed: 10.5 ft at 7:30PM Apr 23, 2015Observed: 10.5 ft at 8:45PM Apr 23, 2015Observed: 10.5 ft at 9:00PM Apr 23, 2015Observed: 10.5 ft at 9:15PM Apr 23, 2015Observed: 10.5 ft at 9:30PM Apr 23, 2015Observed: 10.51 ft at 9:45PM Apr 23, 2015Observed: 10.49 ft at 10:00PM Apr 23, 2015Observed: 10.49 ft at 10:15PM Apr 23, 2015Observed: 10.5 ft at 10:30PM Apr 23, 2015Observed: 10.5 ft at 10:31PM Apr 23, 2015Observed: 10.5 ft at 10:45PM Apr 23, 2015Observed: 10.5 ft at 10:46PM Apr 23, 2015Observed: 10.51 ft at 11:00PM Apr 23, 2015Observed: 10.51 ft at 11:01PM Apr 23, 2015Observed: 10.51 ft at 11:15PM Apr 23, 2015Observed: 10.51 ft at 11:30PM Apr 23, 2015Observed: 10.5 ft at 11:45PM Apr 23, 2015Observed: 10.51 ft at 12:00AM Apr 24, 2015Observed: 10.5 ft at 12:15AM Apr 24, 2015Observed: 10.48 ft at 12:30AM Apr 24, 2015Observed: 10.49 ft at 12:45AM Apr 24, 2015Observed: 10.48 ft at 1:00AM Apr 24, 2015Observed: 10.48 ft at 1:15AM Apr 24, 2015Observed: 10.47 ft at 1:30AM Apr 24, 2015Observed: 10.48 ft at 1:45AM Apr 24, 2015Observed: 10.48 ft at 2:00AM Apr 24, 2015Observed: 10.47 ft at 2:15AM Apr 24, 2015Observed: 10.48 ft at 2:30AM Apr 24, 2015Observed: 10.49 ft at 2:45AM Apr 24, 2015Observed: 10.47 ft at 3:00AM Apr 24, 2015Observed: 10.48 ft at 3:15AM Apr 24, 2015Observed: 10.47 ft at 3:30AM Apr 24, 2015Observed: 10.46 ft at 4:45AM Apr 24, 2015Observed: 10.47 ft at 5:00AM Apr 24, 2015Observed: 10.47 ft at 5:15AM Apr 24, 2015Observed: 10.46 ft at 5:30AM Apr 24, 2015Observed: 10.46 ft at 5:45AM Apr 24, 2015Observed: 10.44 ft at 6:00AM Apr 24, 2015Observed: 10.46 ft at 6:15AM Apr 24, 2015Observed: 10.44 ft at 6:30AM Apr 24, 2015Observed: 10.45 ft at 6:45AM Apr 24, 2015Observed: 10.45 ft at 6:46AM Apr 24, 2015Observed: 10.45 ft at 7:00AM Apr 24, 2015Observed: 10.45 ft at 7:01AM Apr 24, 2015Observed: 10.45 ft at 7:15AM Apr 24, 2015Observed: 10.45 ft at 7:16AM Apr 24, 2015Observed: 10.44 ft at 7:30AM Apr 24, 2015Observed: 10.45 ft at 7:45AM Apr 24, 2015Observed: 10.46 ft at 8:00AM Apr 24, 2015Observed: 10.44 ft at 8:15AM Apr 24, 2015Observed: 10.43 ft at 8:30AM Apr 24, 2015Observed: 10.44 ft at 8:45AM Apr 24, 2015Observed: 10.44 ft at 9:00AM Apr 24, 2015Observed: 10.41 ft at 9:15AM Apr 24, 2015Observed: 10.44 ft at 9:30AM Apr 24, 2015Observed: 10.43 ft at 9:45AM Apr 24, 2015Observed: 10.42 ft at 10:00AM Apr 24, 2015Observed: 10.42 ft at 10:15AM Apr 24, 2015Observed: 10.42 ft at 10:30AM Apr 24, 2015Observed: 10.44 ft at 10:45AM Apr 24, 2015Observed: 10.44 ft at 11:00AM Apr 24, 2015Observed: 10.44 ft at 11:15AM Apr 24, 2015Observed: 10.44 ft at 11:30AM Apr 24, 2015Observed: 10.43 ft at 11:45AM Apr 24, 2015Observed: 10.45 ft at 12:00PM Apr 24, 2015Observed: 10.45 ft at 12:15PM Apr 24, 2015Observed: 10.47 ft at 12:30PM Apr 24, 2015Observed: 10.45 ft at 12:45PM Apr 24, 2015Observed: 10.44 ft at 1:00PM Apr 24, 2015Observed: 10.46 ft at 1:15PM Apr 24, 2015Observed: 10.46 ft at 1:30PM Apr 24, 2015Observed: 10.46 ft at 1:45PM Apr 24, 2015Observed: 10.48 ft at 2:00PM Apr 24, 2015Observed: 10.45 ft at 2:15PM Apr 24, 2015Observed: 10.44 ft at 2:30PM Apr 24, 2015Observed: 10.46 ft at 2:45PM Apr 24, 2015Observed: 10.46 ft at 2:46PM Apr 24, 2015Observed: 10.45 ft at 3:00PM Apr 24, 2015Observed: 10.45 ft at 3:01PM Apr 24, 2015Observed: 10.46 ft at 3:15PM Apr 24, 2015Observed: 10.46 ft at 3:16PM Apr 24, 2015Observed: 10.47 ft at 3:30PM Apr 24, 2015Observed: 10.46 ft at 3:45PM Apr 24, 2015Observed: 10.46 ft at 4:00PM Apr 24, 2015Observed: 10.47 ft at 4:15PM Apr 24, 2015Observed: 10.48 ft at 4:30PM Apr 24, 2015Observed: 10.47 ft at 4:45PM Apr 24, 2015Observed: 10.47 ft at 5:00PM Apr 24, 2015Observed: 10.47 ft at 5:15PM Apr 24, 2015Observed: 10.46 ft at 5:30PM Apr 24, 2015Observed: 10.47 ft at 5:45PM Apr 24, 2015Observed: 10.5 ft at 6:00PM Apr 24, 2015Observed: 10.49 ft at 6:15PM Apr 24, 2015Observed: 10.49 ft at 6:30PM Apr 24, 2015Observed: 10.48 ft at 6:45PM Apr 24, 2015Observed: 10.48 ft at 7:00PM Apr 24, 2015Observed: 10.48 ft at 7:15PM Apr 24, 2015Observed: 10.49 ft at 7:30PM Apr 24, 2015Observed: 10.48 ft at 8:45PM Apr 24, 2015Observed: 10.49 ft at 9:00PM Apr 24, 2015Observed: 10.48 ft at 9:15PM Apr 24, 2015Observed: 10.49 ft at 9:30PM Apr 24, 2015Observed: 10.49 ft at 9:45PM Apr 24, 2015Observed: 10.47 ft at 10:00PM Apr 24, 2015Observed: 10.48 ft at 10:15PM Apr 24, 2015Observed: 10.49 ft at 10:30PM Apr 24, 2015Observed: 10.48 ft at 10:46PM Apr 24, 2015Observed: 10.5 ft at 11:01PM Apr 24, 2015Observed: 10.49 ft at 11:16PM Apr 24, 2015Observed: 10.49 ft at 12:45AM Apr 25, 2015Observed: 10.51 ft at 1:00AM Apr 25, 2015Observed: 10.5 ft at 1:15AM Apr 25, 2015Observed: 10.49 ft at 1:30AM Apr 25, 2015Observed: 10.5 ft at 1:45AM Apr 25, 2015Observed: 10.5 ft at 2:00AM Apr 25, 2015Observed: 10.49 ft at 2:15AM Apr 25, 2015Observed: 10.48 ft at 2:30AM Apr 25, 2015Observed: 10.48 ft at 2:45AM Apr 25, 2015Observed: 10.47 ft at 3:00AM Apr 25, 2015Observed: 10.49 ft at 3:15AM Apr 25, 2015Observed: 10.48 ft at 3:30AM Apr 25, 2015Observed: 10.47 ft at 3:45AM Apr 25, 2015Observed: 10.49 ft at 4:00AM Apr 25, 2015Observed: 10.49 ft at 4:15AM Apr 25, 2015Observed: 10.48 ft at 4:30AM Apr 25, 2015Observed: 10.5 ft at 4:45AM Apr 25, 2015Observed: 10.47 ft at 5:00AM Apr 25, 2015Observed: 10.5 ft at 5:15AM Apr 25, 2015Observed: 10.48 ft at 5:30AM Apr 25, 2015Observed: 10.48 ft at 5:45AM Apr 25, 2015Observed: 10.48 ft at 6:00AM Apr 25, 2015Observed: 10.49 ft at 6:15AM Apr 25, 2015Observed: 10.46 ft at 6:30AM Apr 25, 2015Observed: 10.48 ft at 6:45AM Apr 25, 2015Observed: 10.48 ft at 6:46AM Apr 25, 2015Observed: 10.47 ft at 7:00AM Apr 25, 2015Observed: 10.47 ft at 7:01AM Apr 25, 2015Observed: 10.48 ft at 7:15AM Apr 25, 2015Observed: 10.48 ft at 7:16AM Apr 25, 2015Observed: 10.47 ft at 7:30AM Apr 25, 2015Observed: 10.49 ft at 7:45AM Apr 25, 2015Observed: 10.48 ft at 8:00AM Apr 25, 2015Observed: 10.5 ft at 8:15AM Apr 25, 2015Observed: 10.49 ft at 8:30AM Apr 25, 2015Observed: 10.49 ft at 8:45AM Apr 25, 2015Observed: 10.49 ft at 9:00AM Apr 25, 2015Observed: 10.5 ft at 9:15AM Apr 25, 2015Observed: 10.5 ft at 9:30AM Apr 25, 2015Observed: 10.48 ft at 9:45AM Apr 25, 2015Observed: 10.48 ft at 10:00AM Apr 25, 2015Observed: 10.49 ft at 10:15AM Apr 25, 2015Observed: 10.47 ft at 10:30AM Apr 25, 2015Observed: 10.48 ft at 10:45AM Apr 25, 2015Observed: 10.49 ft at 11:00AM Apr 25, 2015Observed: 10.49 ft at 11:15AM Apr 25, 2015Observed: 10.5 ft at 11:30AM Apr 25, 2015Observed: 10.48 ft at 11:45AM Apr 25, 2015Observed: 10.49 ft at 12:00PM Apr 25, 2015Observed: 10.5 ft at 12:15PM Apr 25, 2015Observed: 10.51 ft at 12:30PM Apr 25, 2015USGS--Water Resources of the United StatesSXCI4(plotting HGIRG) Graph Created (1:04PM Apr 25, 2015)ObservedLatest observed value: 10.51 ft at 12:30 PM CDT 25-Apr-2015. 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: Automated gauge readings are now available, courtesy of the USGS.

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

Vertical datum height surveyed by the USGS

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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): 0

Historic Crests
(1) 108.30 ft on 04/10/1969
(2) 106.80 ft on 04/03/1960
(3) 105.63 ft on 06/20/2014
(4) 104.80 ft on 04/01/1962
(5) 104.50 ft on 06/25/1984
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 105.63 ft on 06/20/2014
(2) 102.20 ft on 06/27/2011
(3) 97.70 ft on 09/30/2010
(4) 96.80 ft on 04/10/1997
(5) 102.00 ft on 04/14/1993
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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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
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 ft 1092.0 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 992.7 1091.7 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?
Resources Collapse
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: 12-Feb-2015 9:33 PM
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