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  The 2019 National Hydrologic Assessment - Spring Flood Outlook has been released (3/21/19) - Visit website, story map, or download file

Hydrograph River at a Glance Download
Missouri River at Sioux City Stage (ft)Flow (kcfs)Observed: 28.21 ft at 4:45PM Mar 16, 2019Observed: 28.18 ft at 5:00PM Mar 16, 2019Observed: 28.21 ft at 5:15PM Mar 16, 2019Observed: 28.19 ft at 5:30PM Mar 16, 2019Observed: 28.22 ft at 5:45PM Mar 16, 2019Observed: 28.26 ft at 6:00PM Mar 16, 2019Observed: 28.32 ft at 6:15PM Mar 16, 2019Observed: 28.39 ft at 6:30PM Mar 16, 2019Observed: 28.39 ft at 6:45PM Mar 16, 2019Observed: 28.4 ft at 7:00PM Mar 16, 2019Observed: 28.51 ft at 7:15PM Mar 16, 2019Observed: 28.49 ft at 7:30PM Mar 16, 2019Observed: 28.54 ft at 7:45PM Mar 16, 2019Observed: 28.61 ft at 8:00PM Mar 16, 2019Observed: 28.63 ft at 8:15PM Mar 16, 2019Observed: 28.72 ft at 8:30PM Mar 16, 2019Observed: 28.69 ft at 8:45PM Mar 16, 2019Observed: 28.75 ft at 9:00PM Mar 16, 2019Observed: 28.78 ft at 9:15PM Mar 16, 2019Observed: 28.8 ft at 9:30PM Mar 16, 2019Observed: 28.8 ft at 9:45PM Mar 16, 2019Observed: 28.88 ft at 10:00PM Mar 16, 2019Observed: 28.89 ft at 10:15PM Mar 16, 2019Observed: 28.89 ft at 10:30PM Mar 16, 2019Observed: 28.89 ft at 10:45PM Mar 16, 2019Observed: 28.97 ft at 11:00PM Mar 16, 2019Observed: 29.04 ft at 11:15PM Mar 16, 2019Observed: 28.98 ft at 11:30PM Mar 16, 2019Observed: 29.08 ft at 11:45PM Mar 16, 2019Observed: 29.16 ft at 12:00AM Mar 17, 2019Observed: 29.09 ft at 12:15AM Mar 17, 2019Observed: 29.16 ft at 12:30AM Mar 17, 2019Observed: 29.2 ft at 12:45AM Mar 17, 2019Observed: 29.22 ft at 1:00AM Mar 17, 2019Observed: 29.27 ft at 1:15AM Mar 17, 2019Observed: 29.27 ft at 1:30AM Mar 17, 2019Observed: 29.25 ft at 1:45AM Mar 17, 2019Observed: 29.34 ft at 2:00AM Mar 17, 2019Observed: 29.36 ft at 2:15AM Mar 17, 2019Observed: 29.38 ft at 2:30AM Mar 17, 2019Observed: 29.46 ft at 2:45AM Mar 17, 2019Observed: 29.53 ft at 3:00AM Mar 17, 2019Observed: 29.59 ft at 3:15AM Mar 17, 2019Observed: 29.66 ft at 3:30AM Mar 17, 2019Observed: 29.69 ft at 3:45AM Mar 17, 2019Observed: 29.69 ft at 4:00AM Mar 17, 2019Highest Observation: 29.7 ft at 4:15AM Mar 17, 2019Observed: 29.68 ft at 4:30AM Mar 17, 2019Observed: 29.64 ft at 4:45AM Mar 17, 2019Observed: 29.65 ft at 5:00AM Mar 17, 2019Observed: 29.58 ft at 5:15AM Mar 17, 2019Observed: 29.46 ft at 5:30AM Mar 17, 2019Observed: 29.42 ft at 5:45AM Mar 17, 2019Observed: 29.33 ft at 6:00AM Mar 17, 2019Observed: 29.31 ft at 6:15AM Mar 17, 2019Observed: 29.27 ft at 6:30AM Mar 17, 2019Observed: 29.28 ft at 6:45AM Mar 17, 2019Observed: 29.2 ft at 7:00AM Mar 17, 2019Observed: 29.25 ft at 7:15AM Mar 17, 2019Observed: 29.23 ft at 7:30AM Mar 17, 2019Observed: 29.23 ft at 7:45AM Mar 17, 2019Observed: 29.21 ft at 8:00AM Mar 17, 2019Observed: 29.22 ft at 8:15AM Mar 17, 2019Observed: 29.22 ft at 8:30AM Mar 17, 2019Observed: 29.23 ft at 8:45AM Mar 17, 2019Observed: 29.22 ft at 9:00AM Mar 17, 2019Observed: 29.24 ft at 9:15AM Mar 17, 2019Observed: 29.23 ft at 9:30AM Mar 17, 2019Observed: 29.2 ft at 9:45AM Mar 17, 2019Observed: 29.22 ft at 10:00AM Mar 17, 2019Observed: 29.16 ft at 10:15AM Mar 17, 2019Observed: 29.16 ft at 10:30AM Mar 17, 2019Observed: 29.15 ft at 10:45AM Mar 17, 2019Observed: 29.17 ft at 11:00AM Mar 17, 2019Observed: 29.11 ft at 11:15AM Mar 17, 2019Observed: 29.12 ft at 11:30AM Mar 17, 2019Observed: 29.07 ft at 11:45AM Mar 17, 2019Observed: 29.07 ft at 12:00PM Mar 17, 2019Observed: 29.07 ft at 12:15PM Mar 17, 2019Observed: 29.05 ft at 12:30PM Mar 17, 2019Observed: 29.03 ft at 12:45PM Mar 17, 2019Observed: 29.03 ft at 1:00PM Mar 17, 2019Observed: 28.96 ft at 1:15PM Mar 17, 2019Observed: 29.01 ft at 1:30PM Mar 17, 2019Observed: 29.02 ft at 1:45PM Mar 17, 2019Observed: 29.01 ft at 2:00PM Mar 17, 2019Observed: 29 ft at 2:15PM Mar 17, 2019Observed: 29 ft at 2:30PM Mar 17, 2019Observed: 29 ft at 2:45PM Mar 17, 2019Observed: 28.98 ft at 3:00PM Mar 17, 2019Observed: 29.01 ft at 3:15PM Mar 17, 2019Observed: 28.98 ft at 3:30PM Mar 17, 2019Observed: 29 ft at 3:45PM Mar 17, 2019Observed: 29.01 ft at 4:00PM Mar 17, 2019Observed: 29.03 ft at 4:15PM Mar 17, 2019Observed: 29 ft at 4:30PM Mar 17, 2019Observed: 29.01 ft at 4:45PM Mar 17, 2019Observed: 28.97 ft at 5:00PM Mar 17, 2019Observed: 29.01 ft at 5:15PM Mar 17, 2019Observed: 29 ft at 5:30PM Mar 17, 2019Observed: 29.07 ft at 5:45PM Mar 17, 2019Observed: 29.02 ft at 6:00PM Mar 17, 2019Observed: 29.02 ft at 6:15PM Mar 17, 2019Observed: 29.02 ft at 6:30PM Mar 17, 2019Observed: 29.04 ft at 6:45PM Mar 17, 2019Observed: 29.05 ft at 7:00PM Mar 17, 2019Observed: 29.07 ft at 7:15PM Mar 17, 2019Observed: 29.02 ft at 7:30PM Mar 17, 2019Observed: 29.07 ft at 7:45PM Mar 17, 2019Observed: 29.04 ft at 8:00PM Mar 17, 2019Observed: 29.01 ft at 8:15PM Mar 17, 2019Observed: 28.99 ft at 8:30PM Mar 17, 2019Observed: 28.96 ft at 8:45PM Mar 17, 2019Observed: 28.94 ft at 9:00PM Mar 17, 2019Observed: 28.93 ft at 9:15PM Mar 17, 2019Observed: 28.93 ft at 9:30PM Mar 17, 2019Observed: 28.9 ft at 9:45PM Mar 17, 2019Observed: 28.85 ft at 10:00PM Mar 17, 2019Observed: 28.82 ft at 10:15PM Mar 17, 2019Observed: 28.75 ft at 10:30PM Mar 17, 2019Observed: 28.69 ft at 10:45PM Mar 17, 2019Observed: 28.62 ft at 11:00PM Mar 17, 2019Observed: 28.52 ft at 11:15PM Mar 17, 2019Observed: 28.37 ft at 11:30PM Mar 17, 2019Observed: 28.35 ft at 11:45PM Mar 17, 2019Observed: 28.26 ft at 12:00AM Mar 18, 2019Observed: 28.21 ft at 12:15AM Mar 18, 2019Observed: 28.3 ft at 12:30AM Mar 18, 2019Observed: 28.24 ft at 12:45AM Mar 18, 2019Observed: 28.22 ft at 1:00AM Mar 18, 2019Observed: 28.22 ft at 1:15AM Mar 18, 2019Observed: 28.16 ft at 1:30AM Mar 18, 2019Observed: 28.13 ft at 1:45AM Mar 18, 2019Observed: 28.13 ft at 2:00AM Mar 18, 2019Observed: 28.06 ft at 2:15AM Mar 18, 2019Observed: 28.06 ft at 2:30AM Mar 18, 2019Observed: 28 ft at 2:45AM Mar 18, 2019Observed: 27.94 ft at 3:00AM Mar 18, 2019Observed: 27.99 ft at 3:15AM Mar 18, 2019Observed: 27.96 ft at 3:30AM Mar 18, 2019Observed: 27.9 ft at 3:45AM Mar 18, 2019Observed: 27.83 ft at 4:00AM Mar 18, 2019Observed: 27.79 ft at 4:15AM Mar 18, 2019Observed: 27.79 ft at 4:30AM Mar 18, 2019Observed: 27.74 ft at 4:45AM Mar 18, 2019Observed: 27.77 ft at 5:00AM Mar 18, 2019Observed: 27.69 ft at 5:15AM Mar 18, 2019Observed: 27.65 ft at 5:30AM Mar 18, 2019Observed: 27.62 ft at 5:45AM Mar 18, 2019Observed: 27.57 ft at 6:00AM Mar 18, 2019Observed: 27.59 ft at 6:15AM Mar 18, 2019Observed: 27.58 ft at 6:30AM Mar 18, 2019Observed: 27.55 ft at 6:45AM Mar 18, 2019Observed: 27.52 ft at 7:00AM Mar 18, 2019Observed: 27.46 ft at 7:15AM Mar 18, 2019Observed: 27.42 ft at 7:30AM Mar 18, 2019Observed: 27.39 ft at 7:45AM Mar 18, 2019Observed: 27.39 ft at 8:00AM Mar 18, 2019Observed: 27.38 ft at 8:15AM Mar 18, 2019Observed: 27.36 ft at 8:30AM Mar 18, 2019Observed: 27.3 ft at 8:45AM Mar 18, 2019Observed: 27.29 ft at 9:00AM Mar 18, 2019Observed: 27.23 ft at 9:15AM Mar 18, 2019Observed: 27.19 ft at 9:30AM Mar 18, 2019Observed: 27.16 ft at 9:45AM Mar 18, 2019Observed: 27.13 ft at 10:00AM Mar 18, 2019Observed: 27.08 ft at 10:15AM Mar 18, 2019Observed: 27.04 ft at 10:30AM Mar 18, 2019Observed: 27 ft at 10:45AM Mar 18, 2019Observed: 26.99 ft at 11:00AM Mar 18, 2019Observed: 26.96 ft at 11:15AM Mar 18, 2019Observed: 26.9 ft at 11:30AM Mar 18, 2019Observed: 26.85 ft at 11:45AM Mar 18, 2019Observed: 26.82 ft at 12:00PM Mar 18, 2019Observed: 26.77 ft at 12:15PM Mar 18, 2019Observed: 26.74 ft at 12:30PM Mar 18, 2019Observed: 26.71 ft at 12:45PM Mar 18, 2019Observed: 26.66 ft at 1:00PM Mar 18, 2019Observed: 26.66 ft at 1:15PM Mar 18, 2019Observed: 26.58 ft at 1:30PM Mar 18, 2019Observed: 26.56 ft at 1:45PM Mar 18, 2019Observed: 26.55 ft at 2:00PM Mar 18, 2019Observed: 26.52 ft at 2:15PM Mar 18, 2019Observed: 26.47 ft at 2:30PM Mar 18, 2019Observed: 26.45 ft at 2:45PM Mar 18, 2019Observed: 26.42 ft at 3:00PM Mar 18, 2019Observed: 26.37 ft at 3:15PM Mar 18, 2019Observed: 26.34 ft at 3:30PM Mar 18, 2019Observed: 26.31 ft at 3:45PM Mar 18, 2019Observed: 26.25 ft at 4:00PM Mar 18, 2019Observed: 26.24 ft at 4:15PM Mar 18, 2019Observed: 26.22 ft at 4:30PM Mar 18, 2019Observed: 26.17 ft at 4:45PM Mar 18, 2019Observed: 26.16 ft at 5:00PM Mar 18, 2019Observed: 26.13 ft at 5:15PM Mar 18, 2019Observed: 26.08 ft at 5:30PM Mar 18, 2019Observed: 26.04 ft at 5:45PM Mar 18, 2019Observed: 26 ft at 6:00PM Mar 18, 2019Observed: 25.96 ft at 6:15PM Mar 18, 2019Observed: 25.92 ft at 6:30PM Mar 18, 2019Observed: 25.89 ft at 6:45PM Mar 18, 2019Observed: 25.84 ft at 7:00PM Mar 18, 2019Observed: 25.82 ft at 7:15PM Mar 18, 2019Observed: 25.79 ft at 7:30PM Mar 18, 2019Observed: 25.79 ft at 7:45PM Mar 18, 2019Observed: 25.78 ft at 8:00PM Mar 18, 2019Observed: 25.74 ft at 8:15PM Mar 18, 2019Observed: 25.72 ft at 8:30PM Mar 18, 2019Observed: 25.68 ft at 8:45PM Mar 18, 2019Observed: 25.65 ft at 9:00PM Mar 18, 2019Observed: 25.65 ft at 9:15PM Mar 18, 2019Observed: 25.65 ft at 9:30PM Mar 18, 2019Observed: 25.63 ft at 9:45PM Mar 18, 2019Observed: 25.6 ft at 10:00PM Mar 18, 2019Observed: 25.59 ft at 10:15PM Mar 18, 2019Observed: 25.58 ft at 10:30PM Mar 18, 2019Observed: 25.56 ft at 10:45PM Mar 18, 2019Observed: 25.54 ft at 11:00PM Mar 18, 2019Observed: 25.53 ft at 11:15PM Mar 18, 2019Observed: 25.49 ft at 11:30PM Mar 18, 2019Observed: 25.46 ft at 11:45PM Mar 18, 2019Observed: 25.46 ft at 12:00AM Mar 19, 2019Observed: 25.42 ft at 12:15AM Mar 19, 2019Observed: 25.4 ft at 12:30AM Mar 19, 2019Observed: 25.39 ft at 12:45AM Mar 19, 2019Observed: 25.35 ft at 1:00AM Mar 19, 2019Observed: 25.32 ft at 1:15AM Mar 19, 2019Observed: 25.31 ft at 1:30AM Mar 19, 2019Observed: 25.28 ft at 1:45AM Mar 19, 2019Observed: 25.3 ft at 2:00AM Mar 19, 2019Observed: 25.28 ft at 2:15AM Mar 19, 2019Observed: 25.27 ft at 2:30AM Mar 19, 2019Observed: 25.24 ft at 2:45AM Mar 19, 2019Observed: 25.23 ft at 3:00AM Mar 19, 2019Observed: 25.2 ft at 3:15AM Mar 19, 2019Observed: 25.2 ft at 3:30AM Mar 19, 2019Observed: 25.16 ft at 3:45AM Mar 19, 2019Observed: 25.16 ft at 4:00AM Mar 19, 2019Observed: 25.17 ft at 4:15AM Mar 19, 2019Observed: 25.13 ft at 4:30AM Mar 19, 2019Observed: 25.09 ft at 4:45AM Mar 19, 2019Observed: 25.09 ft at 5:00AM Mar 19, 2019Observed: 25.05 ft at 5:15AM Mar 19, 2019Observed: 25.03 ft at 5:30AM Mar 19, 2019Observed: 25.02 ft at 5:45AM Mar 19, 2019Observed: 25 ft at 6:00AM Mar 19, 2019Observed: 24.97 ft at 6:15AM Mar 19, 2019Observed: 24.95 ft at 6:30AM Mar 19, 2019Observed: 24.94 ft at 6:45AM Mar 19, 2019Observed: 24.9 ft at 7:00AM Mar 19, 2019Observed: 24.9 ft at 7:15AM Mar 19, 2019Observed: 24.88 ft at 7:30AM Mar 19, 2019Observed: 24.88 ft at 7:45AM Mar 19, 2019Observed: 24.86 ft at 8:00AM Mar 19, 2019Observed: 24.85 ft at 8:15AM Mar 19, 2019Observed: 24.82 ft at 8:30AM Mar 19, 2019Observed: 24.79 ft at 8:45AM Mar 19, 2019Observed: 24.76 ft at 9:00AM Mar 19, 2019Observed: 24.77 ft at 9:15AM Mar 19, 2019Observed: 24.72 ft at 9:30AM Mar 19, 2019Observed: 24.72 ft at 9:45AM Mar 19, 2019Observed: 24.71 ft at 10:00AM Mar 19, 2019Observed: 24.71 ft at 10:15AM Mar 19, 2019Observed: 24.69 ft at 10:30AM Mar 19, 2019Observed: 24.67 ft at 10:45AM Mar 19, 2019Observed: 24.65 ft at 11:00AM Mar 19, 2019Observed: 24.65 ft at 11:15AM Mar 19, 2019Observed: 24.6 ft at 11:30AM Mar 19, 2019Observed: 24.59 ft at 11:45AM Mar 19, 2019Observed: 24.57 ft at 12:00PM Mar 19, 2019Observed: 24.56 ft at 12:15PM Mar 19, 2019Observed: 24.54 ft at 12:30PM Mar 19, 2019Observed: 24.52 ft at 12:45PM Mar 19, 2019Observed: 24.53 ft at 1:00PM Mar 19, 2019Observed: 24.52 ft at 1:15PM Mar 19, 2019Observed: 24.52 ft at 1:30PM Mar 19, 2019Observed: 24.48 ft at 1:45PM Mar 19, 2019Observed: 24.51 ft at 2:00PM Mar 19, 2019Observed: 24.5 ft at 2:15PM Mar 19, 2019Observed: 24.46 ft at 2:30PM Mar 19, 2019Observed: 24.46 ft at 2:45PM Mar 19, 2019Observed: 24.43 ft at 3:00PM Mar 19, 2019Observed: 24.43 ft at 3:15PM Mar 19, 2019Observed: 24.4 ft at 3:30PM Mar 19, 2019Observed: 24.41 ft at 3:45PM Mar 19, 2019Observed: 24.36 ft at 4:00PM Mar 19, 2019Observed: 24.35 ft at 4:15PM Mar 19, 2019Observed: 24.35 ft at 4:30PM Mar 19, 2019Observed: 24.3 ft at 4:45PM Mar 19, 2019Observed: 24.3 ft at 5:00PM Mar 19, 2019Observed: 24.29 ft at 5:15PM Mar 19, 2019Observed: 24.26 ft at 5:30PM Mar 19, 2019Observed: 24.26 ft at 5:45PM Mar 19, 2019Observed: 24.23 ft at 6:00PM Mar 19, 2019Observed: 24.23 ft at 6:15PM Mar 19, 2019Observed: 24.22 ft at 6:30PM Mar 19, 2019Observed: 24.21 ft at 6:45PM Mar 19, 2019Observed: 24.19 ft at 7:00PM Mar 19, 2019Observed: 24.22 ft at 7:15PM Mar 19, 2019Observed: 24.2 ft at 7:30PM Mar 19, 2019Observed: 24.18 ft at 7:45PM Mar 19, 2019Observed: 24.15 ft at 8:00PM Mar 19, 2019Observed: 24.16 ft at 8:15PM Mar 19, 2019Observed: 24.14 ft at 8:30PM Mar 19, 2019Observed: 24.13 ft at 8:45PM Mar 19, 2019Observed: 24.15 ft at 9:00PM Mar 19, 2019Observed: 24.14 ft at 9:15PM Mar 19, 2019Observed: 24.13 ft at 9:30PM Mar 19, 2019Observed: 24.11 ft at 9:45PM Mar 19, 2019Observed: 24.13 ft at 10:00PM Mar 19, 2019Observed: 24.05 ft at 10:15PM Mar 19, 2019Observed: 24.13 ft at 10:30PM Mar 19, 2019Observed: 24.11 ft at 10:45PM Mar 19, 2019Observed: 24.15 ft at 11:00PM Mar 19, 2019Observed: 24.16 ft at 11:15PM Mar 19, 2019Observed: 24.12 ft at 11:30PM Mar 19, 2019Observed: 24.15 ft at 11:45PM Mar 19, 2019Observed: 24.07 ft at 12:00AM Mar 20, 2019Observed: 24.11 ft at 12:15AM Mar 20, 2019Observed: 24.11 ft at 12:30AM Mar 20, 2019Observed: 24.1 ft at 12:45AM Mar 20, 2019Observed: 24.08 ft at 1:00AM Mar 20, 2019Observed: 24.05 ft at 1:15AM Mar 20, 2019Observed: 24 ft at 1:30AM Mar 20, 2019Observed: 24 ft at 1:45AM Mar 20, 2019Observed: 23.98 ft at 2:00AM Mar 20, 2019Observed: 23.96 ft at 2:15AM Mar 20, 2019Observed: 23.95 ft at 2:30AM Mar 20, 2019Observed: 23.92 ft at 2:45AM Mar 20, 2019Observed: 23.91 ft at 3:00AM Mar 20, 2019Observed: 23.9 ft at 3:15AM Mar 20, 2019Observed: 23.88 ft at 3:30AM Mar 20, 2019Observed: 23.85 ft at 3:45AM Mar 20, 2019Observed: 23.83 ft at 4:00AM Mar 20, 2019Observed: 23.8 ft at 4:15AM Mar 20, 2019Observed: 23.81 ft at 4:30AM Mar 20, 2019Observed: 23.77 ft at 4:45AM Mar 20, 2019Observed: 23.76 ft at 5:00AM Mar 20, 2019Observed: 23.73 ft at 5:15AM Mar 20, 2019Observed: 23.71 ft at 5:30AM Mar 20, 2019Observed: 23.67 ft at 5:45AM Mar 20, 2019Observed: 23.67 ft at 6:00AM Mar 20, 2019Observed: 23.65 ft at 6:15AM Mar 20, 2019Observed: 23.63 ft at 6:30AM Mar 20, 2019Observed: 23.64 ft at 6:45AM Mar 20, 2019Observed: 23.59 ft at 7:00AM Mar 20, 2019Observed: 23.57 ft at 7:15AM Mar 20, 2019Observed: 23.54 ft at 7:30AM Mar 20, 2019Observed: 23.51 ft at 7:45AM Mar 20, 2019Observed: 23.5 ft at 8:00AM Mar 20, 2019Observed: 23.47 ft at 8:15AM Mar 20, 2019Observed: 23.45 ft at 8:30AM Mar 20, 2019Observed: 23.41 ft at 8:45AM Mar 20, 2019Observed: 23.39 ft at 9:00AM Mar 20, 2019Observed: 23.36 ft at 9:15AM Mar 20, 2019Observed: 23.32 ft at 9:30AM Mar 20, 2019Observed: 23.29 ft at 9:45AM Mar 20, 2019Observed: 23.28 ft at 10:00AM Mar 20, 2019Observed: 23.24 ft at 10:15AM Mar 20, 2019Observed: 23.22 ft at 10:30AM Mar 20, 2019Observed: 23.2 ft at 10:45AM Mar 20, 2019Observed: 23.17 ft at 11:00AM Mar 20, 2019Observed: 23.14 ft at 11:15AM Mar 20, 2019Observed: 23.09 ft at 11:30AM Mar 20, 2019Observed: 23.11 ft at 11:45AM Mar 20, 2019Observed: 23.1 ft at 12:00PM Mar 20, 2019Observed: 23.06 ft at 12:15PM Mar 20, 2019Observed: 23.05 ft at 12:30PM Mar 20, 2019Observed: 23.02 ft at 12:45PM Mar 20, 2019Observed: 23.01 ft at 1:00PM Mar 20, 2019Observed: 22.95 ft at 1:15PM Mar 20, 2019Observed: 22.94 ft at 1:30PM Mar 20, 2019Observed: 22.96 ft at 1:45PM Mar 20, 2019Observed: 22.91 ft at 2:00PM Mar 20, 2019Observed: 22.89 ft at 2:15PM Mar 20, 2019Observed: 22.88 ft at 2:30PM Mar 20, 2019Observed: 22.88 ft at 2:45PM Mar 20, 2019Observed: 22.85 ft at 3:00PM Mar 20, 2019Observed: 22.81 ft at 3:15PM Mar 20, 2019Observed: 22.79 ft at 3:30PM Mar 20, 2019Observed: 22.78 ft at 3:45PM Mar 20, 2019Observed: 22.72 ft at 4:00PM Mar 20, 2019Observed: 22.72 ft at 4:15PM Mar 20, 2019Observed: 22.66 ft at 4:30PM Mar 20, 2019Observed: 22.66 ft at 4:45PM Mar 20, 2019Observed: 22.56 ft at 5:00PM Mar 20, 2019Observed: 22.62 ft at 5:15PM Mar 20, 2019Observed: 22.59 ft at 5:30PM Mar 20, 2019Observed: 22.59 ft at 5:45PM Mar 20, 2019Observed: 22.59 ft at 6:00PM Mar 20, 2019Observed: 22.57 ft at 6:15PM Mar 20, 2019Observed: 22.57 ft at 6:30PM Mar 20, 2019Observed: 22.54 ft at 6:45PM Mar 20, 2019Observed: 22.55 ft at 7:00PM Mar 20, 2019Observed: 22.54 ft at 7:15PM Mar 20, 2019Observed: 22.53 ft at 7:30PM Mar 20, 2019Observed: 22.53 ft at 7:45PM Mar 20, 2019Observed: 22.51 ft at 8:00PM Mar 20, 2019Observed: 22.52 ft at 8:15PM Mar 20, 2019Observed: 22.51 ft at 8:30PM Mar 20, 2019Observed: 22.51 ft at 8:45PM Mar 20, 2019Observed: 22.52 ft at 9:00PM Mar 20, 2019Observed: 22.52 ft at 9:15PM Mar 20, 2019Observed: 22.52 ft at 9:30PM Mar 20, 2019Observed: 22.51 ft at 9:45PM Mar 20, 2019Observed: 22.53 ft at 10:00PM Mar 20, 2019Observed: 22.53 ft at 10:15PM Mar 20, 2019Observed: 22.49 ft at 10:30PM Mar 20, 2019Observed: 22.48 ft at 10:45PM Mar 20, 2019Observed: 22.45 ft at 11:00PM Mar 20, 2019Observed: 22.48 ft at 11:15PM Mar 20, 2019Observed: 22.45 ft at 11:30PM Mar 20, 2019Observed: 22.43 ft at 11:45PM Mar 20, 2019Observed: 22.41 ft at 12:00AM Mar 21, 2019Observed: 22.37 ft at 12:15AM Mar 21, 2019Observed: 22.37 ft at 12:30AM Mar 21, 2019Observed: 22.36 ft at 12:45AM Mar 21, 2019Observed: 22.33 ft at 1:00AM Mar 21, 2019Observed: 22.32 ft at 1:15AM Mar 21, 2019Observed: 22.31 ft at 1:30AM Mar 21, 2019Observed: 22.28 ft at 1:45AM Mar 21, 2019Observed: 22.25 ft at 2:00AM Mar 21, 2019Observed: 22.22 ft at 2:15AM Mar 21, 2019Observed: 22.2 ft at 2:30AM Mar 21, 2019Observed: 22.19 ft at 2:45AM Mar 21, 2019Observed: 22.19 ft at 3:00AM Mar 21, 2019Observed: 22.17 ft at 3:15AM Mar 21, 2019Observed: 22.14 ft at 3:30AM Mar 21, 2019Observed: 22.15 ft at 3:45AM Mar 21, 2019Observed: 22.16 ft at 4:00AM Mar 21, 2019Observed: 22.18 ft at 4:15AM Mar 21, 2019Observed: 22.16 ft at 4:30AM Mar 21, 2019Observed: 22.14 ft at 4:45AM Mar 21, 2019Observed: 22.12 ft at 5:00AM Mar 21, 2019Observed: 22.12 ft at 5:15AM Mar 21, 2019Observed: 22.08 ft at 5:30AM Mar 21, 2019Observed: 22.04 ft at 5:45AM Mar 21, 2019Observed: 22.02 ft at 6:00AM Mar 21, 2019Observed: 22 ft at 6:15AM Mar 21, 2019Observed: 21.98 ft at 6:30AM Mar 21, 2019Observed: 21.97 ft at 6:45AM Mar 21, 2019Observed: 21.97 ft at 7:00AM Mar 21, 2019Observed: 22 ft at 7:15AM Mar 21, 2019Observed: 21.99 ft at 7:30AM Mar 21, 2019Observed: 22.01 ft at 7:45AM Mar 21, 2019Observed: 21.99 ft at 8:00AM Mar 21, 2019Observed: 21.97 ft at 8:15AM Mar 21, 2019Observed: 21.95 ft at 8:30AM Mar 21, 2019Observed: 21.95 ft at 8:45AM Mar 21, 2019Observed: 21.94 ft at 9:00AM Mar 21, 2019Observed: 21.92 ft at 9:15AM Mar 21, 2019Observed: 21.92 ft at 9:30AM Mar 21, 2019Observed: 21.91 ft at 9:45AM Mar 21, 2019Observed: 21.89 ft at 10:00AM Mar 21, 2019Observed: 21.89 ft at 10:15AM Mar 21, 2019Observed: 21.87 ft at 10:30AM Mar 21, 2019Observed: 21.88 ft at 10:45AM Mar 21, 2019Observed: 21.87 ft at 11:00AM Mar 21, 2019Observed: 21.85 ft at 11:15AM Mar 21, 2019Observed: 21.85 ft at 11:30AM Mar 21, 2019Observed: 21.84 ft at 11:45AM Mar 21, 2019Observed: 21.82 ft at 12:00PM Mar 21, 2019Observed: 21.84 ft at 12:15PM Mar 21, 2019Observed: 21.83 ft at 12:30PM Mar 21, 2019Observed: 21.83 ft at 12:45PM Mar 21, 2019Observed: 21.85 ft at 1:00PM Mar 21, 2019Observed: 21.84 ft at 1:15PM Mar 21, 2019Observed: 21.83 ft at 1:30PM Mar 21, 2019Observed: 21.83 ft at 1:45PM Mar 21, 2019Observed: 21.83 ft at 2:00PM Mar 21, 2019Observed: 21.83 ft at 2:15PM Mar 21, 2019Observed: 21.8 ft at 2:30PM Mar 21, 2019Observed: 21.8 ft at 2:45PM Mar 21, 2019Observed: 21.78 ft at 3:00PM Mar 21, 2019Observed: 21.79 ft at 3:15PM Mar 21, 2019Observed: 21.77 ft at 3:30PM Mar 21, 2019Observed: 21.76 ft at 3:45PM Mar 21, 2019Observed: 21.76 ft at 4:00PM Mar 21, 2019Observed: 21.75 ft at 4:15PM Mar 21, 2019Highest Forecast: 22 ft 7:00PM Mar 21, 2019Forecast: 21.7 ft 1:00AM Mar 22, 2019Forecast: 21.5 ft 7:00AM Mar 22, 2019Forecast: 21.2 ft 1:00PM Mar 22, 2019Forecast: 20.8 ft 7:00PM Mar 22, 2019Forecast: 20.4 ft 1:00AM Mar 23, 2019Forecast: 20.1 ft 7:00AM Mar 23, 2019Forecast: 20 ft 1:00PM Mar 23, 2019Forecast: 19.9 ft 7:00PM Mar 23, 2019Forecast: 19.8 ft 1:00AM Mar 24, 2019Forecast: 19.7 ft 7:00AM Mar 24, 2019Forecast: 19.6 ft 1:00PM Mar 24, 2019Forecast: 19.5 ft 7:00PM Mar 24, 2019Forecast: 19.4 ft 1:00AM Mar 25, 2019Forecast: 19.4 ft 7:00AM Mar 25, 2019Forecast: 19.4 ft 1:00PM Mar 25, 2019Forecast: 19.3 ft 7:00PM Mar 25, 2019Forecast: 19.3 ft 1:00AM Mar 26, 2019Forecast: 19.4 ft 7:00AM Mar 26, 2019Forecast: 19.4 ft 1:00PM Mar 26, 2019Forecast: 19.4 ft 7:00PM Mar 26, 2019Forecast: 19.4 ft 1:00AM Mar 27, 2019Forecast: 19.4 ft 7:00AM Mar 27, 2019Forecast: 19.4 ft 1:00PM Mar 27, 2019Forecast: 19.4 ft 7:00PM Mar 27, 2019Forecast: 19.4 ft 1:00AM Mar 28, 2019Forecast: 19.4 ft 7:00AM Mar 28, 2019Forecast: 19.5 ft 1:00PM Mar 28, 2019Forecast: 19.7 ft 7:00PM Mar 28, 2019Forecast: 20 ft 1:00AM Mar 29, 2019Forecast: 20.3 ft 7:00AM Mar 29, 2019Forecast: 20.6 ft 1:00PM Mar 29, 2019Forecast: 21 ft 7:00PM Mar 29, 2019Forecast: 21.2 ft 1:00AM Mar 30, 2019Forecast: 21.4 ft 7:00AM Mar 30, 2019Forecast: 21.5 ft 1:00PM Mar 30, 2019Forecast: 21.6 ft 7:00PM Mar 30, 2019Forecast: 21.5 ft 1:00AM Mar 31, 2019Forecast: 21.3 ft 7:00AM Mar 31, 2019Forecast: 21 ft 1:00PM Mar 31, 2019Forecast: 20.7 ft 7:00PM Mar 31, 2019Forecast: 20.5 ft 1:00AM Apr 01, 2019Forecast: 20.3 ft 7:00AM Apr 01, 2019Forecast: 20.2 ft 1:00PM Apr 01, 2019Forecast: 20.2 ft 7:00PM Apr 01, 2019Forecast: 20.2 ft 1:00AM Apr 02, 2019Forecast: 20.3 ft 7:00AM Apr 02, 2019USGS--Water Resources of the United StatesSSCN1(plotting HGIR2) Graph Created (4:33PM Mar 21, 2019)ObservedForecast (issued 11:11AM Mar 21)Latest observed value: 21.75 ft at 4:15 PM CDT 21-Mar-2019. Flood Stage is 30 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
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Datum: NAVD88
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Missouri River at Sioux City are issued routinely year-round.

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Upstream Gauge - near Ponca Upstream Gauge Downstream Gauge Downstream Gauge - at Decatur
Flood Categories (in feet)
Major Flood Stage: 36
Moderate Flood Stage: 33
Flood Stage: 30
Action Stage: 25
Low Stage (in feet): -9999

Historic Crests
(1) 44.28 ft on 04/14/1952
(2) 38.72 ft on 04/10/1943
(3) 38.44 ft on 04/25/1950
(4) 35.72 ft on 04/10/1949
(5) 35.45 ft on 04/12/1944
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.65 ft on 05/29/2017
(2) 15.21 ft on 06/18/2016
(3) 17.44 ft on 10/02/2014
(4) 23.97 ft on 06/20/2014
(5) 16.57 ft on 05/28/2013
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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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
36 Extensive urban flooding in lower lying portions of Sioux City begins.
33 Some of the recreational areas and some pasture land along the river begin to flood.
30 Some of the boat docks and marinas along the river begin to flood. Hamilton Boulevard at Exit 149 on Interstate 29 is flooded.
25 Lower Scenic Park campground in South Sioux City begins to be affected by flooding.
7 The power plants around Sioux City have problems as the water levels fall below what is needed for the cooling intake valves.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 42.485833° N, Longitude: 96.413611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 30 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 1057.421 ft 1087.42 ft 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
All observed historical crests before 1971 were at a different zero datum. 20 feet has been added to those crests to adjust them to the current zero datum.
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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: 4-Mar-2019 11:29 PM
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