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Hydrograph River at a Glance Download
Big Sioux River at Akron Stage (ft)Flow (cfs)Highest Observation: 10.18 ft at 5:15AM Aug 31, 2015Highest Observation: 10.18 ft at 5:16AM Aug 31, 2015Observed: 10.17 ft at 5:30AM Aug 31, 2015Observed: 10.16 ft at 5:45AM Aug 31, 2015Observed: 10.14 ft at 6:00AM Aug 31, 2015Observed: 10.13 ft at 6:15AM Aug 31, 2015Observed: 10.12 ft at 6:30AM Aug 31, 2015Observed: 10.11 ft at 6:45AM Aug 31, 2015Observed: 10.08 ft at 7:00AM Aug 31, 2015Observed: 10.06 ft at 7:15AM Aug 31, 2015Observed: 10.07 ft at 7:30AM Aug 31, 2015Observed: 10.05 ft at 7:45AM Aug 31, 2015Observed: 10.05 ft at 8:00AM Aug 31, 2015Observed: 10.03 ft at 8:15AM Aug 31, 2015Observed: 10.02 ft at 8:30AM Aug 31, 2015Observed: 9.99 ft at 8:45AM Aug 31, 2015Observed: 9.99 ft at 9:00AM Aug 31, 2015Observed: 9.98 ft at 9:15AM Aug 31, 2015Observed: 9.96 ft at 9:30AM Aug 31, 2015Observed: 9.95 ft at 9:45AM Aug 31, 2015Observed: 9.93 ft at 10:00AM Aug 31, 2015Observed: 9.94 ft at 10:15AM Aug 31, 2015Observed: 9.93 ft at 10:30AM Aug 31, 2015Observed: 9.92 ft at 10:45AM Aug 31, 2015Observed: 9.89 ft at 11:00AM Aug 31, 2015Observed: 9.88 ft at 11:15AM Aug 31, 2015Observed: 9.87 ft at 11:30AM Aug 31, 2015Observed: 9.85 ft at 11:45AM Aug 31, 2015Observed: 9.86 ft at 12:00PM Aug 31, 2015Observed: 9.84 ft at 12:15PM Aug 31, 2015Observed: 9.85 ft at 12:30PM Aug 31, 2015Observed: 9.82 ft at 12:45PM Aug 31, 2015Observed: 9.82 ft at 12:46PM Aug 31, 2015Observed: 9.8 ft at 1:00PM Aug 31, 2015Observed: 9.8 ft at 1:01PM Aug 31, 2015Observed: 9.78 ft at 1:15PM Aug 31, 2015Observed: 9.78 ft at 1:16PM Aug 31, 2015Observed: 9.79 ft at 1:30PM Aug 31, 2015Observed: 9.76 ft at 1:45PM Aug 31, 2015Observed: 9.77 ft at 2:00PM Aug 31, 2015Observed: 9.76 ft at 2:15PM Aug 31, 2015Observed: 9.73 ft at 2:30PM Aug 31, 2015Observed: 9.74 ft at 2:45PM Aug 31, 2015Observed: 9.73 ft at 3:00PM Aug 31, 2015Observed: 9.71 ft at 3:15PM Aug 31, 2015Observed: 9.72 ft at 3:30PM Aug 31, 2015Observed: 9.7 ft at 3:45PM Aug 31, 2015Observed: 9.69 ft at 4:00PM Aug 31, 2015Observed: 9.68 ft at 4:15PM Aug 31, 2015Observed: 9.68 ft at 4:30PM Aug 31, 2015Observed: 9.67 ft at 4:45PM Aug 31, 2015Observed: 9.66 ft at 5:00PM Aug 31, 2015Observed: 9.64 ft at 5:15PM Aug 31, 2015Observed: 9.64 ft at 5:30PM Aug 31, 2015Observed: 9.61 ft at 5:45PM Aug 31, 2015Observed: 9.61 ft at 6:00PM Aug 31, 2015Observed: 9.61 ft at 6:15PM Aug 31, 2015Observed: 9.59 ft at 6:30PM Aug 31, 2015Observed: 9.58 ft at 6:45PM Aug 31, 2015Observed: 9.58 ft at 7:00PM Aug 31, 2015Observed: 9.57 ft at 7:15PM Aug 31, 2015Observed: 9.56 ft at 7:30PM Aug 31, 2015Observed: 9.55 ft at 7:45PM Aug 31, 2015Observed: 9.55 ft at 8:00PM Aug 31, 2015Observed: 9.53 ft at 8:15PM Aug 31, 2015Observed: 9.53 ft at 8:30PM Aug 31, 2015Observed: 9.52 ft at 8:45PM Aug 31, 2015Observed: 9.52 ft at 8:46PM Aug 31, 2015Observed: 9.51 ft at 9:00PM Aug 31, 2015Observed: 9.51 ft at 9:01PM Aug 31, 2015Observed: 9.5 ft at 9:15PM Aug 31, 2015Observed: 9.5 ft at 9:16PM Aug 31, 2015Observed: 9.49 ft at 9:30PM Aug 31, 2015Observed: 9.49 ft at 9:45PM Aug 31, 2015Observed: 9.48 ft at 10:00PM Aug 31, 2015Observed: 9.48 ft at 10:15PM Aug 31, 2015Observed: 9.47 ft at 10:30PM Aug 31, 2015Observed: 9.46 ft at 10:45PM Aug 31, 2015Observed: 9.45 ft at 11:00PM Aug 31, 2015Observed: 9.45 ft at 11:15PM Aug 31, 2015Observed: 9.43 ft at 11:30PM Aug 31, 2015Observed: 9.43 ft at 11:45PM Aug 31, 2015Observed: 9.42 ft at 12:00AM Sep 01, 2015Observed: 9.41 ft at 12:15AM Sep 01, 2015Observed: 9.41 ft at 12:30AM Sep 01, 2015Observed: 9.4 ft at 12:45AM Sep 01, 2015Observed: 9.39 ft at 1:00AM Sep 01, 2015Observed: 9.38 ft at 1:15AM Sep 01, 2015Observed: 9.38 ft at 1:30AM Sep 01, 2015Observed: 9.37 ft at 1:45AM Sep 01, 2015Observed: 9.37 ft at 2:00AM Sep 01, 2015Observed: 9.36 ft at 2:15AM Sep 01, 2015Observed: 9.35 ft at 2:30AM Sep 01, 2015Observed: 9.34 ft at 2:45AM Sep 01, 2015Observed: 9.34 ft at 3:00AM Sep 01, 2015Observed: 9.32 ft at 3:15AM Sep 01, 2015Observed: 9.32 ft at 3:30AM Sep 01, 2015Observed: 9.31 ft at 3:45AM Sep 01, 2015Observed: 9.3 ft at 4:00AM Sep 01, 2015Observed: 9.3 ft at 4:15AM Sep 01, 2015Observed: 9.29 ft at 4:30AM Sep 01, 2015Observed: 9.28 ft at 4:45AM Sep 01, 2015Observed: 9.28 ft at 5:00AM Sep 01, 2015Observed: 9.27 ft at 5:15AM Sep 01, 2015Observed: 9.26 ft at 5:30AM Sep 01, 2015Observed: 9.26 ft at 5:45AM Sep 01, 2015Observed: 9.25 ft at 6:00AM Sep 01, 2015Observed: 9.25 ft at 6:15AM Sep 01, 2015Observed: 9.24 ft at 6:30AM Sep 01, 2015Observed: 9.23 ft at 6:45AM Sep 01, 2015Observed: 9.22 ft at 7:00AM Sep 01, 2015Observed: 9.23 ft at 7:15AM Sep 01, 2015Observed: 9.22 ft at 7:30AM Sep 01, 2015Observed: 9.21 ft at 7:45AM Sep 01, 2015Observed: 9.2 ft at 8:00AM Sep 01, 2015Observed: 9.19 ft at 8:15AM Sep 01, 2015Observed: 9.19 ft at 8:30AM Sep 01, 2015Observed: 9.18 ft at 8:45AM Sep 01, 2015Observed: 9.18 ft at 9:00AM Sep 01, 2015Observed: 9.16 ft at 9:15AM Sep 01, 2015Observed: 9.16 ft at 9:30AM Sep 01, 2015Observed: 9.16 ft at 9:45AM Sep 01, 2015Observed: 9.15 ft at 10:00AM Sep 01, 2015Observed: 9.14 ft at 10:15AM Sep 01, 2015Observed: 9.13 ft at 10:30AM Sep 01, 2015Observed: 9.13 ft at 10:45AM Sep 01, 2015Observed: 9.12 ft at 11:00AM Sep 01, 2015Observed: 9.11 ft at 11:15AM Sep 01, 2015Observed: 9.11 ft at 11:30AM Sep 01, 2015Observed: 9.11 ft at 11:45AM Sep 01, 2015Observed: 9.1 ft at 12:00PM Sep 01, 2015Observed: 9.09 ft at 12:15PM Sep 01, 2015Observed: 9.08 ft at 12:30PM Sep 01, 2015Observed: 9.08 ft at 12:45PM Sep 01, 2015Observed: 9.08 ft at 12:46PM Sep 01, 2015Observed: 9.07 ft at 1:00PM Sep 01, 2015Observed: 9.07 ft at 1:01PM Sep 01, 2015Observed: 9.07 ft at 1:15PM Sep 01, 2015Observed: 9.07 ft at 1:16PM Sep 01, 2015Observed: 9.06 ft at 1:30PM Sep 01, 2015Observed: 9.06 ft at 1:45PM Sep 01, 2015Observed: 9.05 ft at 2:00PM Sep 01, 2015Observed: 9.05 ft at 2:15PM Sep 01, 2015Observed: 9.04 ft at 2:30PM Sep 01, 2015Observed: 9.05 ft at 2:45PM Sep 01, 2015Observed: 9.03 ft at 3:00PM Sep 01, 2015Observed: 9.02 ft at 3:15PM Sep 01, 2015Observed: 9.02 ft at 3:30PM Sep 01, 2015Observed: 9.01 ft at 3:45PM Sep 01, 2015Observed: 9.01 ft at 4:00PM Sep 01, 2015Observed: 9.01 ft at 4:15PM Sep 01, 2015Observed: 9 ft at 4:30PM Sep 01, 2015Observed: 9 ft at 4:45PM Sep 01, 2015Observed: 8.99 ft at 5:00PM Sep 01, 2015Observed: 8.98 ft at 5:15PM Sep 01, 2015Observed: 8.97 ft at 5:30PM Sep 01, 2015Observed: 8.97 ft at 5:45PM Sep 01, 2015Observed: 8.96 ft at 6:00PM Sep 01, 2015Observed: 8.96 ft at 6:15PM Sep 01, 2015Observed: 8.95 ft at 6:30PM Sep 01, 2015Observed: 8.95 ft at 6:45PM Sep 01, 2015Observed: 8.95 ft at 7:00PM Sep 01, 2015Observed: 8.94 ft at 7:15PM Sep 01, 2015Observed: 8.94 ft at 7:30PM Sep 01, 2015Observed: 8.93 ft at 7:45PM Sep 01, 2015Observed: 8.92 ft at 8:00PM Sep 01, 2015Observed: 8.92 ft at 8:15PM Sep 01, 2015Observed: 8.92 ft at 8:30PM Sep 01, 2015Observed: 8.92 ft at 8:45PM Sep 01, 2015Observed: 8.92 ft at 8:46PM Sep 01, 2015Observed: 8.91 ft at 9:00PM Sep 01, 2015Observed: 8.91 ft at 9:01PM Sep 01, 2015Observed: 8.91 ft at 9:15PM Sep 01, 2015Observed: 8.91 ft at 9:16PM Sep 01, 2015Observed: 8.9 ft at 9:30PM Sep 01, 2015Observed: 8.89 ft at 9:45PM Sep 01, 2015Observed: 8.89 ft at 10:00PM Sep 01, 2015Observed: 8.88 ft at 10:15PM Sep 01, 2015Observed: 8.88 ft at 10:30PM Sep 01, 2015Observed: 8.88 ft at 10:45PM Sep 01, 2015Observed: 8.87 ft at 11:00PM Sep 01, 2015Observed: 8.88 ft at 11:15PM Sep 01, 2015Observed: 8.87 ft at 11:30PM Sep 01, 2015Observed: 8.85 ft at 11:45PM Sep 01, 2015Observed: 8.86 ft at 12:00AM Sep 02, 2015Observed: 8.86 ft at 12:15AM Sep 02, 2015Observed: 8.85 ft at 12:30AM Sep 02, 2015Observed: 8.85 ft at 12:45AM Sep 02, 2015Observed: 8.84 ft at 1:00AM Sep 02, 2015Observed: 8.84 ft at 1:15AM Sep 02, 2015Observed: 8.83 ft at 1:30AM Sep 02, 2015Observed: 8.83 ft at 1:45AM Sep 02, 2015Observed: 8.83 ft at 2:00AM Sep 02, 2015Observed: 8.82 ft at 2:15AM Sep 02, 2015Observed: 8.81 ft at 2:30AM Sep 02, 2015Observed: 8.81 ft at 2:45AM Sep 02, 2015Observed: 8.81 ft at 3:00AM Sep 02, 2015Observed: 8.8 ft at 3:15AM Sep 02, 2015Observed: 8.8 ft at 3:30AM Sep 02, 2015Observed: 8.8 ft at 3:45AM Sep 02, 2015Observed: 8.79 ft at 4:00AM Sep 02, 2015Observed: 8.79 ft at 4:15AM Sep 02, 2015Observed: 8.79 ft at 4:30AM Sep 02, 2015Observed: 8.78 ft at 4:45AM Sep 02, 2015Observed: 8.78 ft at 4:46AM Sep 02, 2015Observed: 8.78 ft at 5:00AM Sep 02, 2015Observed: 8.78 ft at 5:01AM Sep 02, 2015Observed: 8.77 ft at 5:15AM Sep 02, 2015Observed: 8.77 ft at 5:16AM Sep 02, 2015Observed: 8.77 ft at 5:30AM Sep 02, 2015Observed: 8.76 ft at 5:45AM Sep 02, 2015Observed: 8.76 ft at 6:00AM Sep 02, 2015Observed: 8.75 ft at 6:15AM Sep 02, 2015Observed: 8.75 ft at 6:30AM Sep 02, 2015Observed: 8.75 ft at 6:45AM Sep 02, 2015Observed: 8.74 ft at 7:00AM Sep 02, 2015Observed: 8.74 ft at 7:15AM Sep 02, 2015Observed: 8.73 ft at 7:30AM Sep 02, 2015Observed: 8.73 ft at 7:45AM Sep 02, 2015Observed: 8.73 ft at 8:00AM Sep 02, 2015Observed: 8.72 ft at 8:15AM Sep 02, 2015Observed: 8.72 ft at 8:30AM Sep 02, 2015Observed: 8.71 ft at 8:45AM Sep 02, 2015Observed: 8.71 ft at 9:00AM Sep 02, 2015Observed: 8.71 ft at 9:15AM Sep 02, 2015Observed: 8.7 ft at 9:30AM Sep 02, 2015Observed: 8.69 ft at 9:45AM Sep 02, 2015Observed: 8.68 ft at 10:00AM Sep 02, 2015Observed: 8.68 ft at 10:15AM Sep 02, 2015Observed: 8.68 ft at 10:30AM Sep 02, 2015Observed: 8.67 ft at 10:45AM Sep 02, 2015Observed: 8.67 ft at 11:00AM Sep 02, 2015Observed: 8.67 ft at 11:15AM Sep 02, 2015Observed: 8.67 ft at 11:30AM Sep 02, 2015Observed: 8.66 ft at 11:45AM Sep 02, 2015Observed: 8.65 ft at 12:00PM Sep 02, 2015Observed: 8.65 ft at 12:15PM Sep 02, 2015Observed: 8.65 ft at 12:30PM Sep 02, 2015Observed: 8.64 ft at 12:45PM Sep 02, 2015Observed: 8.63 ft at 1:00PM Sep 02, 2015Observed: 8.63 ft at 1:01PM Sep 02, 2015Observed: 8.64 ft at 1:15PM Sep 02, 2015Observed: 8.64 ft at 1:16PM Sep 02, 2015Observed: 8.63 ft at 1:30PM Sep 02, 2015Observed: 8.63 ft at 1:31PM Sep 02, 2015Observed: 8.62 ft at 1:45PM Sep 02, 2015Observed: 8.62 ft at 2:00PM Sep 02, 2015Observed: 8.61 ft at 2:15PM Sep 02, 2015Observed: 8.62 ft at 2:30PM Sep 02, 2015Observed: 8.6 ft at 2:45PM Sep 02, 2015Observed: 8.61 ft at 3:00PM Sep 02, 2015Observed: 8.59 ft at 3:15PM Sep 02, 2015Observed: 8.59 ft at 3:30PM Sep 02, 2015Observed: 8.59 ft at 3:45PM Sep 02, 2015Observed: 8.58 ft at 4:00PM Sep 02, 2015Observed: 8.59 ft at 4:15PM Sep 02, 2015Observed: 8.58 ft at 4:30PM Sep 02, 2015Observed: 8.57 ft at 4:45PM Sep 02, 2015Observed: 8.57 ft at 5:00PM Sep 02, 2015Observed: 8.56 ft at 5:15PM Sep 02, 2015Observed: 8.57 ft at 5:30PM Sep 02, 2015Observed: 8.55 ft at 5:45PM Sep 02, 2015Observed: 8.55 ft at 6:00PM Sep 02, 2015Observed: 8.54 ft at 6:15PM Sep 02, 2015Observed: 8.54 ft at 6:30PM Sep 02, 2015Observed: 8.54 ft at 6:45PM Sep 02, 2015Observed: 8.53 ft at 7:00PM Sep 02, 2015Observed: 8.53 ft at 7:15PM Sep 02, 2015Observed: 8.52 ft at 7:30PM Sep 02, 2015Observed: 8.51 ft at 7:45PM Sep 02, 2015Observed: 8.52 ft at 8:00PM Sep 02, 2015Observed: 8.52 ft at 8:15PM Sep 02, 2015Observed: 8.52 ft at 8:30PM Sep 02, 2015Observed: 8.52 ft at 8:45PM Sep 02, 2015Observed: 8.51 ft at 9:00PM Sep 02, 2015Observed: 8.51 ft at 9:15PM Sep 02, 2015Observed: 8.5 ft at 9:30PM Sep 02, 2015Observed: 8.5 ft at 9:45PM Sep 02, 2015Observed: 8.49 ft at 10:00PM Sep 02, 2015Observed: 8.49 ft at 10:15PM Sep 02, 2015Observed: 8.49 ft at 10:30PM Sep 02, 2015Observed: 8.48 ft at 10:45PM Sep 02, 2015Observed: 8.48 ft at 11:00PM Sep 02, 2015Observed: 8.47 ft at 11:15PM Sep 02, 2015Observed: 8.47 ft at 11:30PM Sep 02, 2015Observed: 8.47 ft at 11:45PM Sep 02, 2015Observed: 8.46 ft at 12:00AM Sep 03, 2015Observed: 8.45 ft at 12:15AM Sep 03, 2015Observed: 8.46 ft at 12:30AM Sep 03, 2015Observed: 8.43 ft at 12:45AM Sep 03, 2015Observed: 8.45 ft at 1:00AM Sep 03, 2015Observed: 8.44 ft at 1:15AM Sep 03, 2015Observed: 8.45 ft at 1:30AM Sep 03, 2015Observed: 8.43 ft at 1:45AM Sep 03, 2015Observed: 8.43 ft at 2:00AM Sep 03, 2015Observed: 8.43 ft at 2:15AM Sep 03, 2015Observed: 8.43 ft at 2:30AM Sep 03, 2015Observed: 8.42 ft at 2:45AM Sep 03, 2015Observed: 8.42 ft at 3:00AM Sep 03, 2015Observed: 8.4 ft at 3:15AM Sep 03, 2015Observed: 8.41 ft at 3:30AM Sep 03, 2015Observed: 8.41 ft at 3:45AM Sep 03, 2015Observed: 8.4 ft at 4:00AM Sep 03, 2015Observed: 8.4 ft at 4:15AM Sep 03, 2015Observed: 8.39 ft at 4:30AM Sep 03, 2015Observed: 8.39 ft at 4:45AM Sep 03, 2015Observed: 8.39 ft at 5:00AM Sep 03, 2015Observed: 8.39 ft at 5:01AM Sep 03, 2015Observed: 8.39 ft at 5:15AM Sep 03, 2015Observed: 8.39 ft at 5:16AM Sep 03, 2015Observed: 8.37 ft at 5:30AM Sep 03, 2015Observed: 8.37 ft at 5:31AM Sep 03, 2015Observed: 8.37 ft at 5:45AM Sep 03, 2015Observed: 8.37 ft at 6:00AM Sep 03, 2015Observed: 8.37 ft at 6:15AM Sep 03, 2015Observed: 8.37 ft at 6:30AM Sep 03, 2015Observed: 8.36 ft at 6:45AM Sep 03, 2015Observed: 8.36 ft at 7:00AM Sep 03, 2015Observed: 8.36 ft at 7:15AM Sep 03, 2015Observed: 8.35 ft at 7:30AM Sep 03, 2015Observed: 8.34 ft at 7:45AM Sep 03, 2015Observed: 8.34 ft at 8:00AM Sep 03, 2015Observed: 8.34 ft at 8:15AM Sep 03, 2015Observed: 8.34 ft at 8:30AM Sep 03, 2015Observed: 8.33 ft at 8:45AM Sep 03, 2015Observed: 8.33 ft at 9:00AM Sep 03, 2015Observed: 8.33 ft at 9:15AM Sep 03, 2015Observed: 8.32 ft at 9:30AM Sep 03, 2015Observed: 8.33 ft at 9:45AM Sep 03, 2015Observed: 8.32 ft at 10:00AM Sep 03, 2015Observed: 8.3 ft at 10:15AM Sep 03, 2015Observed: 8.3 ft at 10:30AM Sep 03, 2015Observed: 8.31 ft at 10:45AM Sep 03, 2015Observed: 8.3 ft at 11:00AM Sep 03, 2015Observed: 8.3 ft at 11:15AM Sep 03, 2015Observed: 8.3 ft at 11:30AM Sep 03, 2015Observed: 8.3 ft at 11:45AM Sep 03, 2015Observed: 8.28 ft at 12:00PM Sep 03, 2015Observed: 8.28 ft at 12:15PM Sep 03, 2015Observed: 8.27 ft at 12:30PM Sep 03, 2015Observed: 8.28 ft at 12:45PM Sep 03, 2015Observed: 8.26 ft at 1:00PM Sep 03, 2015Observed: 8.26 ft at 1:01PM Sep 03, 2015Observed: 8.26 ft at 1:15PM Sep 03, 2015Observed: 8.26 ft at 1:16PM Sep 03, 2015Observed: 8.27 ft at 1:30PM Sep 03, 2015Observed: 8.27 ft at 1:31PM Sep 03, 2015Observed: 8.27 ft at 1:45PM Sep 03, 2015Observed: 8.25 ft at 2:00PM Sep 03, 2015Observed: 8.26 ft at 2:15PM Sep 03, 2015Observed: 8.25 ft at 2:30PM Sep 03, 2015Observed: 8.25 ft at 2:45PM Sep 03, 2015Observed: 8.24 ft at 3:00PM Sep 03, 2015Observed: 8.24 ft at 3:15PM Sep 03, 2015Observed: 8.23 ft at 3:30PM Sep 03, 2015Observed: 8.24 ft at 3:45PM Sep 03, 2015Observed: 8.24 ft at 4:00PM Sep 03, 2015Observed: 8.23 ft at 4:15PM Sep 03, 2015Observed: 8.23 ft at 4:30PM Sep 03, 2015Observed: 8.22 ft at 4:45PM Sep 03, 2015Observed: 8.22 ft at 5:00PM Sep 03, 2015Observed: 8.22 ft at 5:15PM Sep 03, 2015Observed: 8.21 ft at 5:30PM Sep 03, 2015Observed: 8.21 ft at 5:45PM Sep 03, 2015Observed: 8.2 ft at 6:00PM Sep 03, 2015Observed: 8.2 ft at 6:15PM Sep 03, 2015Observed: 8.2 ft at 6:30PM Sep 03, 2015Observed: 8.19 ft at 6:45PM Sep 03, 2015Observed: 8.19 ft at 7:00PM Sep 03, 2015Observed: 8.18 ft at 7:15PM Sep 03, 2015Observed: 8.18 ft at 7:30PM Sep 03, 2015Observed: 8.19 ft at 7:45PM Sep 03, 2015Observed: 8.18 ft at 8:00PM Sep 03, 2015Observed: 8.17 ft at 8:15PM Sep 03, 2015Observed: 8.17 ft at 8:30PM Sep 03, 2015Observed: 8.16 ft at 8:45PM Sep 03, 2015Observed: 8.17 ft at 9:00PM Sep 03, 2015Observed: 8.16 ft at 9:15PM Sep 03, 2015Observed: 8.16 ft at 9:30PM Sep 03, 2015Observed: 8.16 ft at 9:45PM Sep 03, 2015Observed: 8.15 ft at 10:00PM Sep 03, 2015Observed: 8.16 ft at 10:15PM Sep 03, 2015Observed: 8.15 ft at 10:30PM Sep 03, 2015Observed: 8.15 ft at 10:45PM Sep 03, 2015Observed: 8.14 ft at 11:00PM Sep 03, 2015Observed: 8.14 ft at 11:15PM Sep 03, 2015Observed: 8.15 ft at 11:30PM Sep 03, 2015Observed: 8.13 ft at 11:45PM Sep 03, 2015Observed: 8.13 ft at 12:00AM Sep 04, 2015Observed: 8.13 ft at 12:15AM Sep 04, 2015Observed: 8.13 ft at 12:30AM Sep 04, 2015Observed: 8.13 ft at 12:45AM Sep 04, 2015Observed: 8.12 ft at 1:00AM Sep 04, 2015Observed: 8.12 ft at 1:15AM Sep 04, 2015Observed: 8.12 ft at 1:30AM Sep 04, 2015Observed: 8.12 ft at 1:45AM Sep 04, 2015Observed: 8.11 ft at 2:00AM Sep 04, 2015Observed: 8.1 ft at 2:15AM Sep 04, 2015Observed: 8.1 ft at 2:30AM Sep 04, 2015Observed: 8.09 ft at 2:45AM Sep 04, 2015Observed: 8.09 ft at 3:00AM Sep 04, 2015Observed: 8.08 ft at 3:15AM Sep 04, 2015Observed: 8.09 ft at 3:30AM Sep 04, 2015Observed: 8.09 ft at 3:45AM Sep 04, 2015Observed: 8.09 ft at 4:00AM Sep 04, 2015Observed: 8.07 ft at 4:15AM Sep 04, 2015Observed: 8.08 ft at 4:30AM Sep 04, 2015Observed: 8.07 ft at 4:45AM Sep 04, 2015Observed: 8.08 ft at 5:00AM Sep 04, 2015Observed: 8.08 ft at 5:01AM Sep 04, 2015Observed: 8.07 ft at 5:15AM Sep 04, 2015Observed: 8.07 ft at 5:16AM Sep 04, 2015Observed: 8.07 ft at 5:30AM Sep 04, 2015Observed: 8.07 ft at 5:31AM Sep 04, 2015Observed: 8.07 ft at 5:45AM Sep 04, 2015Observed: 8.06 ft at 6:00AM Sep 04, 2015Observed: 8.06 ft at 6:15AM Sep 04, 2015Observed: 8.05 ft at 6:30AM Sep 04, 2015Observed: 8.06 ft at 6:45AM Sep 04, 2015Observed: 8.05 ft at 7:00AM Sep 04, 2015Observed: 8.05 ft at 7:15AM Sep 04, 2015Observed: 8.05 ft at 7:30AM Sep 04, 2015Observed: 8.05 ft at 7:45AM Sep 04, 2015Observed: 8.04 ft at 8:00AM Sep 04, 2015Observed: 8.04 ft at 8:15AM Sep 04, 2015Observed: 8.04 ft at 8:30AM Sep 04, 2015Observed: 8.02 ft at 8:45AM Sep 04, 2015Observed: 8.03 ft at 9:00AM Sep 04, 2015Observed: 8.03 ft at 9:15AM Sep 04, 2015Observed: 8.02 ft at 9:30AM Sep 04, 2015Observed: 8.03 ft at 9:45AM Sep 04, 2015Observed: 8.02 ft at 10:00AM Sep 04, 2015Observed: 8.02 ft at 10:15AM Sep 04, 2015Observed: 8.01 ft at 10:30AM Sep 04, 2015Observed: 8.01 ft at 10:45AM Sep 04, 2015Observed: 8 ft at 11:00AM Sep 04, 2015Observed: 8 ft at 11:15AM Sep 04, 2015Observed: 8 ft at 11:30AM Sep 04, 2015Observed: 7.99 ft at 11:45AM Sep 04, 2015Observed: 8 ft at 12:00PM Sep 04, 2015Observed: 7.99 ft at 12:15PM Sep 04, 2015Observed: 7.99 ft at 12:30PM Sep 04, 2015Observed: 7.99 ft at 12:45PM Sep 04, 2015Observed: 7.97 ft at 1:00PM Sep 04, 2015Observed: 7.99 ft at 1:15PM Sep 04, 2015Observed: 7.98 ft at 1:30PM Sep 04, 2015Observed: 7.98 ft at 1:45PM Sep 04, 2015Observed: 7.98 ft at 2:00PM Sep 04, 2015Observed: 7.96 ft at 2:15PM Sep 04, 2015Observed: 7.97 ft at 2:30PM Sep 04, 2015Observed: 7.97 ft at 2:45PM Sep 04, 2015Observed: 7.96 ft at 3:00PM Sep 04, 2015Observed: 7.97 ft at 3:15PM Sep 04, 2015Observed: 7.96 ft at 3:30PM Sep 04, 2015Observed: 7.96 ft at 3:45PM Sep 04, 2015Observed: 7.95 ft at 4:00PM Sep 04, 2015Observed: 7.96 ft at 4:15PM Sep 04, 2015Observed: 7.95 ft at 4:30PM Sep 04, 2015Observed: 7.94 ft at 4:45PM Sep 04, 2015Observed: 7.94 ft at 5:00PM Sep 04, 2015Observed: 7.95 ft at 5:15PM Sep 04, 2015Observed: 7.94 ft at 5:30PM Sep 04, 2015Observed: 7.93 ft at 5:45PM Sep 04, 2015Observed: 7.94 ft at 6:00PM Sep 04, 2015Observed: 7.92 ft at 6:15PM Sep 04, 2015Observed: 7.92 ft at 6:30PM Sep 04, 2015Observed: 7.92 ft at 6:45PM Sep 04, 2015Observed: 7.91 ft at 7:00PM Sep 04, 2015Observed: 7.92 ft at 7:15PM Sep 04, 2015Observed: 7.91 ft at 7:30PM Sep 04, 2015Observed: 7.91 ft at 7:45PM Sep 04, 2015Observed: 7.91 ft at 8:00PM Sep 04, 2015Observed: 7.9 ft at 8:15PM Sep 04, 2015Observed: 7.9 ft at 8:30PM Sep 04, 2015Observed: 7.89 ft at 8:45PM Sep 04, 2015Observed: 7.91 ft at 9:00PM Sep 04, 2015Observed: 7.91 ft at 9:01PM Sep 04, 2015Observed: 7.89 ft at 9:15PM Sep 04, 2015Observed: 7.89 ft at 9:16PM Sep 04, 2015Observed: 7.89 ft at 9:30PM Sep 04, 2015Observed: 7.89 ft at 9:31PM Sep 04, 2015Observed: 7.89 ft at 9:45PM Sep 04, 2015Observed: 7.89 ft at 10:00PM Sep 04, 2015Observed: 7.89 ft at 10:15PM Sep 04, 2015Observed: 7.88 ft at 10:30PM Sep 04, 2015Observed: 7.88 ft at 10:45PM Sep 04, 2015Observed: 7.88 ft at 11:00PM Sep 04, 2015Observed: 7.88 ft at 11:15PM Sep 04, 2015Observed: 7.87 ft at 11:30PM Sep 04, 2015Observed: 7.87 ft at 11:45PM Sep 04, 2015Observed: 7.87 ft at 12:00AM Sep 05, 2015Observed: 7.86 ft at 12:15AM Sep 05, 2015Observed: 7.87 ft at 12:30AM Sep 05, 2015Observed: 7.86 ft at 12:45AM Sep 05, 2015Observed: 7.86 ft at 1:00AM Sep 05, 2015Observed: 7.86 ft at 1:15AM Sep 05, 2015Observed: 7.85 ft at 1:30AM Sep 05, 2015Observed: 7.86 ft at 1:45AM Sep 05, 2015Observed: 7.85 ft at 2:00AM Sep 05, 2015Observed: 7.85 ft at 2:15AM Sep 05, 2015Observed: 7.85 ft at 2:30AM Sep 05, 2015Observed: 7.84 ft at 2:45AM Sep 05, 2015Observed: 7.83 ft at 3:00AM Sep 05, 2015Observed: 7.84 ft at 3:15AM Sep 05, 2015Observed: 7.83 ft at 3:30AM Sep 05, 2015Observed: 7.83 ft at 3:45AM Sep 05, 2015Observed: 7.82 ft at 4:00AM Sep 05, 2015USGS--Water Resources of the United StatesAKRI4(plotting HGIRG) Graph Created (5:02AM Sep 5, 2015)ObservedLatest observed value: 7.82 ft at 4:00 AM CDT 5-Sep-2015. Flood Stage is 16 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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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: 13-Aug-2015 2:15 AM
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