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Hydrograph River at a Glance Download
Big Sioux River at Akron Stage (ft)Flow (cfs)Highest Observation: 8.16 ft at 7:45PM Jul 01, 2015Highest Observation: 8.16 ft at 8:00PM Jul 01, 2015Observed: 8.15 ft at 8:15PM Jul 01, 2015Observed: 8.15 ft at 8:30PM Jul 01, 2015Observed: 8.14 ft at 8:45PM Jul 01, 2015Observed: 8.14 ft at 9:00PM Jul 01, 2015Observed: 8.14 ft at 9:15PM Jul 01, 2015Observed: 8.13 ft at 9:30PM Jul 01, 2015Observed: 8.13 ft at 9:45PM Jul 01, 2015Observed: 8.12 ft at 10:00PM Jul 01, 2015Observed: 8.12 ft at 10:15PM Jul 01, 2015Observed: 8.11 ft at 10:30PM Jul 01, 2015Observed: 8.11 ft at 10:45PM Jul 01, 2015Observed: 8.11 ft at 11:00PM Jul 01, 2015Observed: 8.1 ft at 11:15PM Jul 01, 2015Observed: 8.1 ft at 11:30PM Jul 01, 2015Observed: 8.1 ft at 11:45PM Jul 01, 2015Observed: 8.09 ft at 12:00AM Jul 02, 2015Observed: 8.09 ft at 12:15AM Jul 02, 2015Observed: 8.09 ft at 12:30AM Jul 02, 2015Observed: 8.08 ft at 12:45AM Jul 02, 2015Observed: 8.08 ft at 1:00AM Jul 02, 2015Observed: 8.08 ft at 1:15AM Jul 02, 2015Observed: 8.07 ft at 1:30AM Jul 02, 2015Observed: 8.07 ft at 1:45AM Jul 02, 2015Observed: 8.06 ft at 2:00AM Jul 02, 2015Observed: 8.06 ft at 2:15AM Jul 02, 2015Observed: 8.06 ft at 2:16AM Jul 02, 2015Observed: 8.05 ft at 2:30AM Jul 02, 2015Observed: 8.05 ft at 2:31AM Jul 02, 2015Observed: 8.05 ft at 2:45AM Jul 02, 2015Observed: 8.05 ft at 2:46AM Jul 02, 2015Observed: 8.05 ft at 3:00AM Jul 02, 2015Observed: 8.05 ft at 3:15AM Jul 02, 2015Observed: 8.05 ft at 3:30AM Jul 02, 2015Observed: 8.04 ft at 3:45AM Jul 02, 2015Observed: 8.04 ft at 4:00AM Jul 02, 2015Observed: 8.03 ft at 4:15AM Jul 02, 2015Observed: 8.03 ft at 4:30AM Jul 02, 2015Observed: 8.03 ft at 4:45AM Jul 02, 2015Observed: 8.02 ft at 5:00AM Jul 02, 2015Observed: 8.02 ft at 5:15AM Jul 02, 2015Observed: 8.02 ft at 5:30AM Jul 02, 2015Observed: 8.01 ft at 5:45AM Jul 02, 2015Observed: 8.01 ft at 6:00AM Jul 02, 2015Observed: 8 ft at 6:15AM Jul 02, 2015Observed: 8 ft at 6:30AM Jul 02, 2015Observed: 8 ft at 6:45AM Jul 02, 2015Observed: 8 ft at 7:00AM Jul 02, 2015Observed: 7.99 ft at 7:15AM Jul 02, 2015Observed: 7.99 ft at 7:30AM Jul 02, 2015Observed: 7.99 ft at 7:45AM Jul 02, 2015Observed: 7.99 ft at 8:00AM Jul 02, 2015Observed: 7.98 ft at 8:15AM Jul 02, 2015Observed: 7.98 ft at 8:30AM Jul 02, 2015Observed: 7.97 ft at 8:45AM Jul 02, 2015Observed: 7.97 ft at 9:00AM Jul 02, 2015Observed: 7.97 ft at 9:15AM Jul 02, 2015Observed: 7.97 ft at 9:30AM Jul 02, 2015Observed: 7.96 ft at 9:45AM Jul 02, 2015Observed: 7.96 ft at 10:00AM Jul 02, 2015Observed: 7.95 ft at 10:15AM Jul 02, 2015Observed: 7.95 ft at 10:30AM Jul 02, 2015Observed: 7.94 ft at 10:45AM Jul 02, 2015Observed: 7.95 ft at 11:00AM Jul 02, 2015Observed: 7.95 ft at 11:15AM Jul 02, 2015Observed: 7.94 ft at 11:30AM Jul 02, 2015Observed: 7.94 ft at 11:45AM Jul 02, 2015Observed: 7.93 ft at 12:00PM Jul 02, 2015Observed: 7.93 ft at 12:15PM Jul 02, 2015Observed: 7.92 ft at 12:30PM Jul 02, 2015Observed: 7.92 ft at 12:45PM Jul 02, 2015Observed: 7.92 ft at 1:00PM Jul 02, 2015Observed: 7.91 ft at 1:15PM Jul 02, 2015Observed: 7.91 ft at 1:30PM Jul 02, 2015Observed: 7.91 ft at 1:45PM Jul 02, 2015Observed: 7.91 ft at 2:00PM Jul 02, 2015Observed: 7.91 ft at 2:15PM Jul 02, 2015Observed: 7.91 ft at 2:30PM Jul 02, 2015Observed: 7.9 ft at 2:45PM Jul 02, 2015Observed: 7.9 ft at 3:00PM Jul 02, 2015Observed: 7.89 ft at 3:15PM Jul 02, 2015Observed: 7.89 ft at 3:30PM Jul 02, 2015Observed: 7.89 ft at 3:45PM Jul 02, 2015Observed: 7.89 ft at 4:00PM Jul 02, 2015Observed: 7.88 ft at 4:15PM Jul 02, 2015Observed: 7.88 ft at 4:30PM Jul 02, 2015Observed: 7.88 ft at 4:45PM Jul 02, 2015Observed: 7.87 ft at 5:00PM Jul 02, 2015Observed: 7.87 ft at 5:15PM Jul 02, 2015Observed: 7.86 ft at 5:30PM Jul 02, 2015Observed: 7.87 ft at 5:45PM Jul 02, 2015Observed: 7.86 ft at 6:00PM Jul 02, 2015Observed: 7.86 ft at 6:15PM Jul 02, 2015Observed: 7.86 ft at 6:16PM Jul 02, 2015Observed: 7.86 ft at 6:30PM Jul 02, 2015Observed: 7.86 ft at 6:31PM Jul 02, 2015Observed: 7.85 ft at 6:45PM Jul 02, 2015Observed: 7.85 ft at 6:46PM Jul 02, 2015Observed: 7.85 ft at 7:00PM Jul 02, 2015Observed: 7.85 ft at 7:15PM Jul 02, 2015Observed: 7.85 ft at 7:30PM Jul 02, 2015Observed: 7.85 ft at 7:45PM Jul 02, 2015Observed: 7.84 ft at 8:00PM Jul 02, 2015Observed: 7.84 ft at 8:15PM Jul 02, 2015Observed: 7.84 ft at 8:30PM Jul 02, 2015Observed: 7.84 ft at 8:45PM Jul 02, 2015Observed: 7.83 ft at 9:00PM Jul 02, 2015Observed: 7.83 ft at 9:15PM Jul 02, 2015Observed: 7.83 ft at 9:30PM Jul 02, 2015Observed: 7.82 ft at 9:45PM Jul 02, 2015Observed: 7.82 ft at 10:00PM Jul 02, 2015Observed: 7.81 ft at 10:15PM Jul 02, 2015Observed: 7.81 ft at 10:30PM Jul 02, 2015Observed: 7.81 ft at 10:45PM Jul 02, 2015Observed: 7.81 ft at 11:00PM Jul 02, 2015Observed: 7.8 ft at 11:15PM Jul 02, 2015Observed: 7.8 ft at 11:30PM Jul 02, 2015Observed: 7.8 ft at 11:45PM Jul 02, 2015Observed: 7.79 ft at 12:00AM Jul 03, 2015Observed: 7.8 ft at 12:15AM Jul 03, 2015Observed: 7.79 ft at 12:30AM Jul 03, 2015Observed: 7.79 ft at 12:45AM Jul 03, 2015Observed: 7.79 ft at 1:00AM Jul 03, 2015Observed: 7.78 ft at 1:15AM Jul 03, 2015Observed: 7.78 ft at 1:30AM Jul 03, 2015Observed: 7.78 ft at 1:45AM Jul 03, 2015Observed: 7.77 ft at 2:00AM Jul 03, 2015Observed: 7.77 ft at 2:15AM Jul 03, 2015Observed: 7.77 ft at 2:30AM Jul 03, 2015Observed: 7.77 ft at 2:45AM Jul 03, 2015Observed: 7.77 ft at 3:00AM Jul 03, 2015Observed: 7.76 ft at 3:15AM Jul 03, 2015Observed: 7.76 ft at 3:30AM Jul 03, 2015Observed: 7.76 ft at 3:45AM Jul 03, 2015Observed: 7.76 ft at 4:00AM Jul 03, 2015Observed: 7.75 ft at 4:15AM Jul 03, 2015Observed: 7.75 ft at 4:30AM Jul 03, 2015Observed: 7.75 ft at 4:45AM Jul 03, 2015Observed: 7.75 ft at 5:00AM Jul 03, 2015Observed: 7.74 ft at 5:15AM Jul 03, 2015Observed: 7.74 ft at 5:30AM Jul 03, 2015Observed: 7.74 ft at 5:45AM Jul 03, 2015Observed: 7.74 ft at 6:00AM Jul 03, 2015Observed: 7.73 ft at 6:15AM Jul 03, 2015Observed: 7.73 ft at 6:30AM Jul 03, 2015Observed: 7.73 ft at 6:45AM Jul 03, 2015Observed: 7.73 ft at 7:00AM Jul 03, 2015Observed: 7.73 ft at 7:15AM Jul 03, 2015Observed: 7.72 ft at 7:30AM Jul 03, 2015Observed: 7.72 ft at 7:45AM Jul 03, 2015Observed: 7.72 ft at 8:00AM Jul 03, 2015Observed: 7.72 ft at 8:15AM Jul 03, 2015Observed: 7.72 ft at 8:30AM Jul 03, 2015Observed: 7.72 ft at 8:45AM Jul 03, 2015Observed: 7.71 ft at 9:00AM Jul 03, 2015Observed: 7.71 ft at 9:15AM Jul 03, 2015Observed: 7.71 ft at 9:30AM Jul 03, 2015Observed: 7.71 ft at 9:45AM Jul 03, 2015Observed: 7.71 ft at 10:00AM Jul 03, 2015Observed: 7.71 ft at 10:15AM Jul 03, 2015Observed: 7.71 ft at 10:16AM Jul 03, 2015Observed: 7.71 ft at 10:30AM Jul 03, 2015Observed: 7.71 ft at 10:31AM Jul 03, 2015Observed: 7.7 ft at 10:45AM Jul 03, 2015Observed: 7.7 ft at 10:46AM Jul 03, 2015Observed: 7.7 ft at 11:00AM Jul 03, 2015Observed: 7.7 ft at 11:15AM Jul 03, 2015Observed: 7.7 ft at 11:30AM Jul 03, 2015Observed: 7.69 ft at 11:45AM Jul 03, 2015Observed: 7.69 ft at 12:00PM Jul 03, 2015Observed: 7.69 ft at 12:15PM Jul 03, 2015Observed: 7.69 ft at 12:30PM Jul 03, 2015Observed: 7.68 ft at 12:45PM Jul 03, 2015Observed: 7.68 ft at 1:00PM Jul 03, 2015Observed: 7.68 ft at 1:15PM Jul 03, 2015Observed: 7.68 ft at 1:30PM Jul 03, 2015Observed: 7.68 ft at 1:45PM Jul 03, 2015Observed: 7.67 ft at 2:00PM Jul 03, 2015Observed: 7.67 ft at 2:15PM Jul 03, 2015Observed: 7.66 ft at 2:30PM Jul 03, 2015Observed: 7.66 ft at 2:45PM Jul 03, 2015Observed: 7.66 ft at 3:00PM Jul 03, 2015Observed: 7.67 ft at 3:15PM Jul 03, 2015Observed: 7.67 ft at 3:30PM Jul 03, 2015Observed: 7.67 ft at 3:45PM Jul 03, 2015Observed: 7.66 ft at 4:00PM Jul 03, 2015Observed: 7.66 ft at 4:15PM Jul 03, 2015Observed: 7.66 ft at 4:30PM Jul 03, 2015Observed: 7.65 ft at 4:45PM Jul 03, 2015Observed: 7.65 ft at 5:00PM Jul 03, 2015Observed: 7.65 ft at 5:15PM Jul 03, 2015Observed: 7.65 ft at 5:30PM Jul 03, 2015Observed: 7.64 ft at 5:45PM Jul 03, 2015Observed: 7.64 ft at 6:00PM Jul 03, 2015Observed: 7.63 ft at 6:15PM Jul 03, 2015Observed: 7.63 ft at 6:16PM Jul 03, 2015Observed: 7.63 ft at 6:30PM Jul 03, 2015Observed: 7.63 ft at 6:31PM Jul 03, 2015Observed: 7.63 ft at 6:45PM Jul 03, 2015Observed: 7.63 ft at 6:46PM Jul 03, 2015Observed: 7.63 ft at 7:00PM Jul 03, 2015Observed: 7.62 ft at 7:15PM Jul 03, 2015Observed: 7.62 ft at 7:30PM Jul 03, 2015Observed: 7.62 ft at 7:45PM Jul 03, 2015Observed: 7.61 ft at 8:00PM Jul 03, 2015Observed: 7.61 ft at 8:15PM Jul 03, 2015Observed: 7.61 ft at 8:30PM Jul 03, 2015Observed: 7.6 ft at 8:45PM Jul 03, 2015Observed: 7.6 ft at 9:00PM Jul 03, 2015Observed: 7.6 ft at 9:15PM Jul 03, 2015Observed: 7.59 ft at 9:30PM Jul 03, 2015Observed: 7.59 ft at 9:45PM Jul 03, 2015Observed: 7.59 ft at 10:00PM Jul 03, 2015Observed: 7.58 ft at 10:15PM Jul 03, 2015Observed: 7.58 ft at 10:30PM Jul 03, 2015Observed: 7.58 ft at 10:45PM Jul 03, 2015Observed: 7.58 ft at 11:00PM Jul 03, 2015Observed: 7.57 ft at 11:15PM Jul 03, 2015Observed: 7.57 ft at 11:30PM Jul 03, 2015Observed: 7.57 ft at 11:45PM Jul 03, 2015Observed: 7.57 ft at 12:00AM Jul 04, 2015Observed: 7.56 ft at 12:15AM Jul 04, 2015Observed: 7.56 ft at 12:30AM Jul 04, 2015Observed: 7.56 ft at 12:45AM Jul 04, 2015Observed: 7.56 ft at 1:00AM Jul 04, 2015Observed: 7.55 ft at 1:15AM Jul 04, 2015Observed: 7.55 ft at 1:30AM Jul 04, 2015Observed: 7.55 ft at 1:45AM Jul 04, 2015Observed: 7.54 ft at 2:00AM Jul 04, 2015Observed: 7.54 ft at 2:15AM Jul 04, 2015Observed: 7.53 ft at 2:30AM Jul 04, 2015Observed: 7.53 ft at 2:45AM Jul 04, 2015Observed: 7.53 ft at 3:00AM Jul 04, 2015Observed: 7.53 ft at 3:15AM Jul 04, 2015Observed: 7.52 ft at 3:30AM Jul 04, 2015Observed: 7.52 ft at 3:45AM Jul 04, 2015Observed: 7.52 ft at 4:00AM Jul 04, 2015Observed: 7.52 ft at 4:15AM Jul 04, 2015Observed: 7.51 ft at 4:30AM Jul 04, 2015Observed: 7.51 ft at 4:45AM Jul 04, 2015Observed: 7.51 ft at 5:00AM Jul 04, 2015Observed: 7.5 ft at 5:15AM Jul 04, 2015Observed: 7.5 ft at 5:30AM Jul 04, 2015Observed: 7.5 ft at 5:45AM Jul 04, 2015Observed: 7.5 ft at 6:00AM Jul 04, 2015Observed: 7.49 ft at 6:15AM Jul 04, 2015Observed: 7.5 ft at 6:30AM Jul 04, 2015Observed: 7.49 ft at 6:45AM Jul 04, 2015Observed: 7.49 ft at 7:00AM Jul 04, 2015Observed: 7.48 ft at 7:15AM Jul 04, 2015Observed: 7.48 ft at 7:30AM Jul 04, 2015Observed: 7.48 ft at 7:45AM Jul 04, 2015Observed: 7.48 ft at 8:00AM Jul 04, 2015Observed: 7.46 ft at 8:15AM Jul 04, 2015Observed: 7.47 ft at 8:30AM Jul 04, 2015Observed: 7.47 ft at 8:45AM Jul 04, 2015Observed: 7.46 ft at 9:00AM Jul 04, 2015Observed: 7.46 ft at 9:15AM Jul 04, 2015Observed: 7.46 ft at 9:30AM Jul 04, 2015Observed: 7.46 ft at 9:45AM Jul 04, 2015Observed: 7.46 ft at 10:00AM Jul 04, 2015Observed: 7.45 ft at 10:15AM Jul 04, 2015Observed: 7.45 ft at 10:16AM Jul 04, 2015Observed: 7.46 ft at 10:30AM Jul 04, 2015Observed: 7.46 ft at 10:31AM Jul 04, 2015Observed: 7.45 ft at 10:45AM Jul 04, 2015Observed: 7.45 ft at 10:46AM Jul 04, 2015Observed: 7.45 ft at 11:00AM Jul 04, 2015Observed: 7.45 ft at 11:15AM Jul 04, 2015Observed: 7.44 ft at 11:30AM Jul 04, 2015Observed: 7.44 ft at 11:45AM Jul 04, 2015Observed: 7.44 ft at 12:00PM Jul 04, 2015Observed: 7.44 ft at 12:15PM Jul 04, 2015Observed: 7.44 ft at 12:30PM Jul 04, 2015Observed: 7.43 ft at 12:45PM Jul 04, 2015Observed: 7.43 ft at 1:00PM Jul 04, 2015Observed: 7.43 ft at 1:15PM Jul 04, 2015Observed: 7.43 ft at 1:30PM Jul 04, 2015Observed: 7.42 ft at 1:45PM Jul 04, 2015Observed: 7.42 ft at 2:00PM Jul 04, 2015Observed: 7.42 ft at 2:15PM Jul 04, 2015Observed: 7.42 ft at 2:30PM Jul 04, 2015Observed: 7.42 ft at 2:45PM Jul 04, 2015Observed: 7.41 ft at 3:00PM Jul 04, 2015Observed: 7.41 ft at 3:15PM Jul 04, 2015Observed: 7.4 ft at 3:30PM Jul 04, 2015Observed: 7.4 ft at 3:45PM Jul 04, 2015Observed: 7.4 ft at 4:00PM Jul 04, 2015Observed: 7.4 ft at 4:15PM Jul 04, 2015Observed: 7.4 ft at 4:30PM Jul 04, 2015Observed: 7.39 ft at 4:45PM Jul 04, 2015Observed: 7.39 ft at 5:00PM Jul 04, 2015Observed: 7.39 ft at 5:15PM Jul 04, 2015Observed: 7.39 ft at 5:30PM Jul 04, 2015Observed: 7.39 ft at 5:45PM Jul 04, 2015Observed: 7.38 ft at 6:00PM Jul 04, 2015Observed: 7.37 ft at 6:15PM Jul 04, 2015Observed: 7.37 ft at 6:16PM Jul 04, 2015Observed: 7.37 ft at 6:30PM Jul 04, 2015Observed: 7.37 ft at 6:31PM Jul 04, 2015Observed: 7.37 ft at 6:45PM Jul 04, 2015Observed: 7.37 ft at 6:46PM Jul 04, 2015Observed: 7.37 ft at 7:00PM Jul 04, 2015Observed: 7.37 ft at 7:15PM Jul 04, 2015Observed: 7.37 ft at 7:30PM Jul 04, 2015Observed: 7.36 ft at 7:45PM Jul 04, 2015Observed: 7.36 ft at 8:00PM Jul 04, 2015Observed: 7.35 ft at 8:15PM Jul 04, 2015Observed: 7.35 ft at 8:30PM Jul 04, 2015Observed: 7.35 ft at 8:45PM Jul 04, 2015Observed: 7.35 ft at 9:00PM Jul 04, 2015Observed: 7.35 ft at 9:15PM Jul 04, 2015Observed: 7.34 ft at 9:30PM Jul 04, 2015Observed: 7.34 ft at 9:45PM Jul 04, 2015Observed: 7.34 ft at 10:00PM Jul 04, 2015Observed: 7.34 ft at 10:15PM Jul 04, 2015Observed: 7.33 ft at 10:30PM Jul 04, 2015Observed: 7.33 ft at 10:45PM Jul 04, 2015Observed: 7.33 ft at 11:00PM Jul 04, 2015Observed: 7.33 ft at 11:15PM Jul 04, 2015Observed: 7.33 ft at 11:30PM Jul 04, 2015Observed: 7.32 ft at 11:45PM Jul 04, 2015Observed: 7.32 ft at 12:00AM Jul 05, 2015Observed: 7.32 ft at 12:15AM Jul 05, 2015Observed: 7.32 ft at 12:30AM Jul 05, 2015Observed: 7.32 ft at 12:45AM Jul 05, 2015Observed: 7.32 ft at 1:00AM Jul 05, 2015Observed: 7.31 ft at 1:15AM Jul 05, 2015Observed: 7.31 ft at 1:30AM Jul 05, 2015Observed: 7.3 ft at 1:45AM Jul 05, 2015Observed: 7.3 ft at 2:00AM Jul 05, 2015Observed: 7.3 ft at 2:15AM Jul 05, 2015Observed: 7.3 ft at 2:16AM Jul 05, 2015Observed: 7.3 ft at 2:30AM Jul 05, 2015Observed: 7.3 ft at 2:31AM Jul 05, 2015Observed: 7.3 ft at 2:45AM Jul 05, 2015Observed: 7.3 ft at 2:46AM Jul 05, 2015Observed: 7.29 ft at 3:00AM Jul 05, 2015Observed: 7.29 ft at 3:15AM Jul 05, 2015Observed: 7.29 ft at 3:30AM Jul 05, 2015Observed: 7.29 ft at 3:45AM Jul 05, 2015Observed: 7.29 ft at 4:00AM Jul 05, 2015Observed: 7.28 ft at 4:15AM Jul 05, 2015Observed: 7.28 ft at 4:30AM Jul 05, 2015Observed: 7.28 ft at 4:45AM Jul 05, 2015Observed: 7.27 ft at 5:00AM Jul 05, 2015Observed: 7.27 ft at 5:15AM Jul 05, 2015Observed: 7.27 ft at 5:30AM Jul 05, 2015Observed: 7.27 ft at 5:45AM Jul 05, 2015Observed: 7.27 ft at 6:00AM Jul 05, 2015Observed: 7.26 ft at 6:15AM Jul 05, 2015Observed: 7.26 ft at 6:30AM Jul 05, 2015Observed: 7.26 ft at 6:45AM Jul 05, 2015Observed: 7.25 ft at 7:00AM Jul 05, 2015Observed: 7.26 ft at 7:15AM Jul 05, 2015Observed: 7.25 ft at 7:30AM Jul 05, 2015Observed: 7.25 ft at 7:45AM Jul 05, 2015Observed: 7.24 ft at 8:00AM Jul 05, 2015Observed: 7.26 ft at 8:15AM Jul 05, 2015Observed: 7.24 ft at 8:30AM Jul 05, 2015Observed: 7.25 ft at 8:45AM Jul 05, 2015Observed: 7.24 ft at 9:00AM Jul 05, 2015Observed: 7.24 ft at 9:15AM Jul 05, 2015Observed: 7.25 ft at 9:30AM Jul 05, 2015Observed: 7.24 ft at 9:45AM Jul 05, 2015Observed: 7.24 ft at 10:00AM Jul 05, 2015Observed: 7.24 ft at 10:15AM Jul 05, 2015Observed: 7.23 ft at 10:30AM Jul 05, 2015Observed: 7.23 ft at 10:31AM Jul 05, 2015Observed: 7.23 ft at 10:45AM Jul 05, 2015Observed: 7.23 ft at 10:46AM Jul 05, 2015Observed: 7.23 ft at 11:00AM Jul 05, 2015Observed: 7.23 ft at 11:01AM Jul 05, 2015Observed: 7.23 ft at 11:15AM Jul 05, 2015Observed: 7.22 ft at 11:30AM Jul 05, 2015Observed: 7.23 ft at 11:45AM Jul 05, 2015Observed: 7.22 ft at 12:00PM Jul 05, 2015Observed: 7.22 ft at 12:15PM Jul 05, 2015Observed: 7.22 ft at 12:30PM Jul 05, 2015Observed: 7.21 ft at 12:45PM Jul 05, 2015Observed: 7.21 ft at 1:00PM Jul 05, 2015Observed: 7.21 ft at 1:15PM Jul 05, 2015Observed: 7.21 ft at 1:30PM Jul 05, 2015Observed: 7.21 ft at 1:45PM Jul 05, 2015Observed: 7.2 ft at 2:00PM Jul 05, 2015Observed: 7.2 ft at 2:15PM Jul 05, 2015Observed: 7.2 ft at 2:30PM Jul 05, 2015Observed: 7.2 ft at 2:45PM Jul 05, 2015Observed: 7.19 ft at 3:00PM Jul 05, 2015Observed: 7.19 ft at 3:15PM Jul 05, 2015Observed: 7.19 ft at 3:30PM Jul 05, 2015Observed: 7.18 ft at 3:45PM Jul 05, 2015Observed: 7.18 ft at 4:00PM Jul 05, 2015Observed: 7.18 ft at 4:15PM Jul 05, 2015Observed: 7.18 ft at 4:30PM Jul 05, 2015Observed: 7.18 ft at 4:45PM Jul 05, 2015Observed: 7.16 ft at 5:00PM Jul 05, 2015Observed: 7.17 ft at 5:15PM Jul 05, 2015Observed: 7.16 ft at 5:30PM Jul 05, 2015Observed: 7.17 ft at 5:45PM Jul 05, 2015Observed: 7.17 ft at 6:00PM Jul 05, 2015Observed: 7.16 ft at 6:15PM Jul 05, 2015Observed: 7.16 ft at 6:30PM Jul 05, 2015Observed: 7.15 ft at 6:45PM Jul 05, 2015Observed: 7.16 ft at 7:00PM Jul 05, 2015Observed: 7.15 ft at 7:15PM Jul 05, 2015Observed: 7.15 ft at 7:30PM Jul 05, 2015Observed: 7.15 ft at 7:45PM Jul 05, 2015Observed: 7.14 ft at 8:00PM Jul 05, 2015Observed: 7.15 ft at 8:15PM Jul 05, 2015Observed: 7.14 ft at 8:30PM Jul 05, 2015Observed: 7.14 ft at 8:45PM Jul 05, 2015Observed: 7.13 ft at 9:00PM Jul 05, 2015Observed: 7.13 ft at 9:15PM Jul 05, 2015Observed: 7.13 ft at 9:30PM Jul 05, 2015Observed: 7.13 ft at 9:45PM Jul 05, 2015Observed: 7.13 ft at 10:00PM Jul 05, 2015Observed: 7.12 ft at 10:15PM Jul 05, 2015Observed: 7.12 ft at 10:30PM Jul 05, 2015Observed: 7.12 ft at 10:45PM Jul 05, 2015Observed: 7.12 ft at 11:00PM Jul 05, 2015Observed: 7.12 ft at 11:15PM Jul 05, 2015Observed: 7.11 ft at 11:30PM Jul 05, 2015Observed: 7.12 ft at 11:45PM Jul 05, 2015Observed: 7.11 ft at 12:00AM Jul 06, 2015Observed: 7.1 ft at 12:15AM Jul 06, 2015Observed: 7.11 ft at 12:30AM Jul 06, 2015Observed: 7.1 ft at 12:45AM Jul 06, 2015Observed: 7.11 ft at 1:00AM Jul 06, 2015Observed: 7.1 ft at 1:15AM Jul 06, 2015Observed: 7.09 ft at 1:30AM Jul 06, 2015Observed: 7.09 ft at 1:45AM Jul 06, 2015Observed: 7.1 ft at 2:00AM Jul 06, 2015Observed: 7.1 ft at 2:15AM Jul 06, 2015Observed: 7.09 ft at 2:30AM Jul 06, 2015Observed: 7.1 ft at 2:45AM Jul 06, 2015Observed: 7.11 ft at 3:00AM Jul 06, 2015Observed: 7.11 ft at 3:15AM Jul 06, 2015Observed: 7.11 ft at 3:30AM Jul 06, 2015Observed: 7.1 ft at 3:45AM Jul 06, 2015Observed: 7.11 ft at 4:00AM Jul 06, 2015Observed: 7.1 ft at 4:15AM Jul 06, 2015Observed: 7.09 ft at 4:30AM Jul 06, 2015Observed: 7.09 ft at 4:45AM Jul 06, 2015Observed: 7.09 ft at 5:00AM Jul 06, 2015Observed: 7.09 ft at 5:15AM Jul 06, 2015Observed: 7.09 ft at 5:30AM Jul 06, 2015Observed: 7.08 ft at 5:45AM Jul 06, 2015Observed: 7.08 ft at 6:00AM Jul 06, 2015Observed: 7.08 ft at 6:15AM Jul 06, 2015Observed: 7.08 ft at 6:30AM Jul 06, 2015Observed: 7.07 ft at 6:45AM Jul 06, 2015Observed: 7.07 ft at 7:00AM Jul 06, 2015Observed: 7.07 ft at 7:15AM Jul 06, 2015Observed: 7.07 ft at 7:30AM Jul 06, 2015Observed: 7.07 ft at 7:45AM Jul 06, 2015Observed: 7.06 ft at 8:00AM Jul 06, 2015Observed: 7.06 ft at 8:15AM Jul 06, 2015Observed: 7.06 ft at 8:30AM Jul 06, 2015Observed: 7.06 ft at 8:45AM Jul 06, 2015Observed: 7.06 ft at 9:00AM Jul 06, 2015Observed: 7.06 ft at 9:15AM Jul 06, 2015Observed: 7.06 ft at 9:30AM Jul 06, 2015Observed: 7.07 ft at 9:45AM Jul 06, 2015Observed: 7.08 ft at 10:00AM Jul 06, 2015Observed: 7.08 ft at 10:15AM Jul 06, 2015Observed: 7.07 ft at 10:30AM Jul 06, 2015Observed: 7.07 ft at 10:31AM Jul 06, 2015Observed: 7.07 ft at 10:45AM Jul 06, 2015Observed: 7.07 ft at 10:46AM Jul 06, 2015Observed: 7.07 ft at 11:00AM Jul 06, 2015Observed: 7.07 ft at 11:01AM Jul 06, 2015Observed: 7.07 ft at 11:15AM Jul 06, 2015Observed: 7.06 ft at 11:30AM Jul 06, 2015Observed: 7.06 ft at 11:45AM Jul 06, 2015Observed: 7.06 ft at 12:00PM Jul 06, 2015Observed: 7.05 ft at 12:15PM Jul 06, 2015Observed: 7.05 ft at 12:30PM Jul 06, 2015Observed: 7.06 ft at 12:45PM Jul 06, 2015Observed: 7.05 ft at 1:00PM Jul 06, 2015Observed: 7.05 ft at 1:15PM Jul 06, 2015Observed: 7.04 ft at 1:30PM Jul 06, 2015Observed: 7.05 ft at 1:45PM Jul 06, 2015Observed: 7.05 ft at 2:00PM Jul 06, 2015Observed: 7.05 ft at 2:15PM Jul 06, 2015Observed: 7.05 ft at 2:30PM Jul 06, 2015Observed: 7.05 ft at 2:45PM Jul 06, 2015Observed: 7.05 ft at 3:00PM Jul 06, 2015Observed: 7.05 ft at 3:15PM Jul 06, 2015Observed: 7.05 ft at 3:30PM Jul 06, 2015Observed: 7.04 ft at 3:45PM Jul 06, 2015Observed: 7.05 ft at 4:00PM Jul 06, 2015Observed: 7.04 ft at 4:15PM Jul 06, 2015Observed: 7.04 ft at 4:30PM Jul 06, 2015Observed: 7.04 ft at 4:45PM Jul 06, 2015Observed: 7.05 ft at 5:00PM Jul 06, 2015Observed: 7.05 ft at 5:15PM Jul 06, 2015Observed: 7.04 ft at 5:30PM Jul 06, 2015Observed: 7.04 ft at 5:45PM Jul 06, 2015Observed: 7.04 ft at 6:00PM Jul 06, 2015Observed: 7.04 ft at 6:15PM Jul 06, 2015Observed: 7.05 ft at 6:30PM Jul 06, 2015Observed: 7.05 ft at 6:31PM Jul 06, 2015Observed: 7.04 ft at 6:45PM Jul 06, 2015Observed: 7.04 ft at 6:46PM Jul 06, 2015Observed: 7.04 ft at 7:00PM Jul 06, 2015Observed: 7.04 ft at 7:01PM Jul 06, 2015Forecast: 6.9 ft 1:00AM Jul 07, 2015Forecast: 6.9 ft 7:00AM Jul 07, 2015Forecast: 7.1 ft 1:00PM Jul 07, 2015Forecast: 7.5 ft 7:00PM Jul 07, 2015Forecast: 8.3 ft 1:00AM Jul 08, 2015Forecast: 9.4 ft 7:00AM Jul 08, 2015Forecast: 10.6 ft 1:00PM Jul 08, 2015Forecast: 11.6 ft 7:00PM Jul 08, 2015Forecast: 12.4 ft 1:00AM Jul 09, 2015Forecast: 13.2 ft 7:00AM Jul 09, 2015Forecast: 13.8 ft 1:00PM Jul 09, 2015Forecast: 14.5 ft 7:00PM Jul 09, 2015Forecast: 15 ft 1:00AM Jul 10, 2015Highest Forecast: 15.3 ft 7:00AM Jul 10, 2015Forecast: 14.9 ft 1:00PM Jul 10, 2015Forecast: 13.9 ft 7:00PM Jul 10, 2015Forecast: 12.5 ft 1:00AM Jul 11, 2015Forecast: 11.1 ft 7:00AM Jul 11, 2015USGS--Water Resources of the United StatesAKRI4(plotting HGIRG) Graph Created (7:32PM Jul 6, 2015)ObservedForecast (issued 10:52AM Jul 6)Latest observed value: 7.04 ft at 7:01 PM CDT 6-Jul-2015. Flood Stage is 16 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
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Datum: Not Available
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 Akron are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Hawarden Upstream Gauge Downstream Gauge Downstream Gauge - near Jefferson
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 18
Flood Stage: 16
Action Stage: 14
Low Stage (in feet): 0

Historic Crests
(1) 25.59 ft on 06/18/2014
(2) 23.38 ft on 04/26/2001
(3) 23.05 ft on 05/10/1993
(4) 22.99 ft on 04/09/1969
(5) 22.88 ft on 09/27/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 25.59 ft on 06/18/2014
(2) 20.54 ft on 05/28/2013
(3) 18.30 ft on 05/11/2012
(4) 20.39 ft on 03/26/2011
(5) 22.88 ft on 09/27/2010
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
23.25 Levee gates at Riverside in Sioux City will be closed.
23 The higher levees on the Iowa side of the river are in danger of being overtopped, Highway 50 near Westfield will be flooded, and the bridge east of Jefferson will be overtopped.
22 Highway 48 begins to flood where the railroad tracks cross.
21.5 Highway 48 near the intersection with Iowa Highway 12 north of Akron begins to flood.
20 Highway 48 near Akron is flooded.
19.5 Several farm houses are flooded.
17 About 6500 acres of farm land are flooded.
16 Several farm levees are overtopped with significant flooding of agricultural lands.
15 Some rural roads on the South Dakota side of the river begin to flood.
12 Some very minor flooding of the lowest lying areas along the river begins.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 42.837500° N, Longitude: 96.561667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 16 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 Not Available Not Available 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 1118.9 ft 1134.9 ft  

Current/Historical Observations:

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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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Page last modified: 12-Feb-2015 9:33 PM
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