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Hydrograph River at a Glance Download
Big Sioux River at Akron Stage (ft)Flow (cfs)Observed: 16.61 ft at 8:00PM Apr 29, 2016Observed: 16.62 ft at 8:15PM Apr 29, 2016Observed: 16.63 ft at 8:30PM Apr 29, 2016Observed: 16.65 ft at 8:45PM Apr 29, 2016Observed: 16.66 ft at 9:00PM Apr 29, 2016Observed: 16.67 ft at 9:15PM Apr 29, 2016Observed: 16.68 ft at 9:30PM Apr 29, 2016Observed: 16.69 ft at 9:45PM Apr 29, 2016Observed: 16.7 ft at 10:00PM Apr 29, 2016Observed: 16.71 ft at 10:15PM Apr 29, 2016Observed: 16.72 ft at 10:30PM Apr 29, 2016Observed: 16.74 ft at 10:45PM Apr 29, 2016Observed: 16.75 ft at 11:00PM Apr 29, 2016Observed: 16.75 ft at 11:15PM Apr 29, 2016Observed: 16.77 ft at 11:30PM Apr 29, 2016Observed: 16.78 ft at 11:45PM Apr 29, 2016Observed: 16.79 ft at 12:00AM Apr 30, 2016Observed: 16.8 ft at 12:15AM Apr 30, 2016Observed: 16.8 ft at 12:16AM Apr 30, 2016Observed: 16.81 ft at 12:30AM Apr 30, 2016Observed: 16.81 ft at 12:31AM Apr 30, 2016Observed: 16.82 ft at 12:45AM Apr 30, 2016Observed: 16.82 ft at 12:46AM Apr 30, 2016Observed: 16.83 ft at 1:00AM Apr 30, 2016Observed: 16.85 ft at 1:15AM Apr 30, 2016Observed: 16.85 ft at 1:30AM Apr 30, 2016Observed: 16.86 ft at 1:45AM Apr 30, 2016Observed: 16.87 ft at 2:00AM Apr 30, 2016Observed: 16.88 ft at 2:15AM Apr 30, 2016Observed: 16.88 ft at 2:30AM Apr 30, 2016Observed: 16.9 ft at 2:45AM Apr 30, 2016Observed: 16.91 ft at 3:00AM Apr 30, 2016Observed: 16.91 ft at 3:15AM Apr 30, 2016Observed: 16.91 ft at 3:30AM Apr 30, 2016Observed: 16.92 ft at 3:45AM Apr 30, 2016Observed: 16.93 ft at 4:00AM Apr 30, 2016Observed: 16.95 ft at 4:15AM Apr 30, 2016Observed: 16.95 ft at 4:30AM Apr 30, 2016Observed: 16.96 ft at 4:45AM Apr 30, 2016Observed: 16.98 ft at 5:00AM Apr 30, 2016Observed: 16.99 ft at 5:15AM Apr 30, 2016Observed: 16.99 ft at 5:30AM Apr 30, 2016Observed: 17 ft at 5:45AM Apr 30, 2016Observed: 17.01 ft at 6:00AM Apr 30, 2016Observed: 17.02 ft at 6:15AM Apr 30, 2016Observed: 17.02 ft at 6:30AM Apr 30, 2016Observed: 17.03 ft at 6:45AM Apr 30, 2016Observed: 17.04 ft at 7:00AM Apr 30, 2016Observed: 17.06 ft at 7:15AM Apr 30, 2016Observed: 17.06 ft at 7:30AM Apr 30, 2016Observed: 17.08 ft at 7:45AM Apr 30, 2016Observed: 17.09 ft at 8:00AM Apr 30, 2016Observed: 17.1 ft at 8:15AM Apr 30, 2016Observed: 17.1 ft at 8:30AM Apr 30, 2016Observed: 17.1 ft at 8:31AM Apr 30, 2016Observed: 17.11 ft at 8:45AM Apr 30, 2016Observed: 17.11 ft at 8:46AM Apr 30, 2016Observed: 17.13 ft at 9:00AM Apr 30, 2016Observed: 17.13 ft at 9:01AM Apr 30, 2016Observed: 17.14 ft at 9:15AM Apr 30, 2016Observed: 17.16 ft at 9:30AM Apr 30, 2016Observed: 17.18 ft at 9:45AM Apr 30, 2016Observed: 17.18 ft at 10:00AM Apr 30, 2016Observed: 17.2 ft at 10:15AM Apr 30, 2016Observed: 17.21 ft at 10:30AM Apr 30, 2016Observed: 17.23 ft at 10:45AM Apr 30, 2016Observed: 17.24 ft at 11:00AM Apr 30, 2016Observed: 17.26 ft at 11:15AM Apr 30, 2016Observed: 17.27 ft at 11:30AM Apr 30, 2016Observed: 17.26 ft at 11:45AM Apr 30, 2016Observed: 17.29 ft at 12:00PM Apr 30, 2016Observed: 17.3 ft at 12:15PM Apr 30, 2016Observed: 17.32 ft at 12:30PM Apr 30, 2016Observed: 17.33 ft at 12:45PM Apr 30, 2016Observed: 17.34 ft at 1:00PM Apr 30, 2016Observed: 17.35 ft at 1:15PM Apr 30, 2016Observed: 17.37 ft at 1:30PM Apr 30, 2016Observed: 17.38 ft at 1:45PM Apr 30, 2016Observed: 17.38 ft at 2:00PM Apr 30, 2016Observed: 17.39 ft at 2:15PM Apr 30, 2016Observed: 17.4 ft at 2:30PM Apr 30, 2016Observed: 17.4 ft at 2:45PM Apr 30, 2016Observed: 17.42 ft at 3:00PM Apr 30, 2016Observed: 17.43 ft at 3:15PM Apr 30, 2016Observed: 17.44 ft at 3:30PM Apr 30, 2016Observed: 17.44 ft at 3:45PM Apr 30, 2016Observed: 17.46 ft at 4:00PM Apr 30, 2016Observed: 17.46 ft at 4:15PM Apr 30, 2016Observed: 17.47 ft at 4:30PM Apr 30, 2016Observed: 17.47 ft at 4:31PM Apr 30, 2016Observed: 17.48 ft at 4:45PM Apr 30, 2016Observed: 17.48 ft at 4:46PM Apr 30, 2016Observed: 17.49 ft at 5:00PM Apr 30, 2016Observed: 17.49 ft at 5:01PM Apr 30, 2016Observed: 17.49 ft at 5:15PM Apr 30, 2016Observed: 17.51 ft at 5:30PM Apr 30, 2016Observed: 17.51 ft at 5:45PM Apr 30, 2016Observed: 17.52 ft at 6:00PM Apr 30, 2016Observed: 17.52 ft at 6:15PM Apr 30, 2016Observed: 17.54 ft at 6:30PM Apr 30, 2016Observed: 17.55 ft at 6:45PM Apr 30, 2016Observed: 17.54 ft at 7:00PM Apr 30, 2016Observed: 17.55 ft at 7:15PM Apr 30, 2016Observed: 17.56 ft at 7:30PM Apr 30, 2016Observed: 17.57 ft at 7:45PM Apr 30, 2016Observed: 17.57 ft at 8:00PM Apr 30, 2016Observed: 17.58 ft at 8:15PM Apr 30, 2016Observed: 17.59 ft at 8:30PM Apr 30, 2016Observed: 17.59 ft at 8:45PM Apr 30, 2016Observed: 17.61 ft at 9:00PM Apr 30, 2016Observed: 17.62 ft at 9:15PM Apr 30, 2016Observed: 17.62 ft at 9:30PM Apr 30, 2016Observed: 17.62 ft at 9:45PM Apr 30, 2016Observed: 17.63 ft at 10:00PM Apr 30, 2016Observed: 17.62 ft at 10:15PM Apr 30, 2016Observed: 17.65 ft at 10:30PM Apr 30, 2016Observed: 17.65 ft at 10:45PM Apr 30, 2016Observed: 17.65 ft at 11:00PM Apr 30, 2016Observed: 17.66 ft at 11:15PM Apr 30, 2016Observed: 17.66 ft at 11:30PM Apr 30, 2016Observed: 17.67 ft at 11:45PM Apr 30, 2016Observed: 17.67 ft at 12:00AM May 01, 2016Observed: 17.66 ft at 12:15AM May 01, 2016Observed: 17.67 ft at 12:30AM May 01, 2016Observed: 17.67 ft at 12:31AM May 01, 2016Observed: 17.68 ft at 12:45AM May 01, 2016Observed: 17.68 ft at 12:46AM May 01, 2016Observed: 17.69 ft at 1:00AM May 01, 2016Observed: 17.69 ft at 1:01AM May 01, 2016Observed: 17.68 ft at 1:15AM May 01, 2016Observed: 17.69 ft at 1:30AM May 01, 2016Observed: 17.69 ft at 1:45AM May 01, 2016Observed: 17.69 ft at 2:00AM May 01, 2016Observed: 17.7 ft at 2:15AM May 01, 2016Observed: 17.7 ft at 2:30AM May 01, 2016Observed: 17.7 ft at 2:45AM May 01, 2016Observed: 17.7 ft at 3:00AM May 01, 2016Observed: 17.7 ft at 3:15AM May 01, 2016Observed: 17.71 ft at 3:30AM May 01, 2016Observed: 17.71 ft at 3:45AM May 01, 2016Observed: 17.71 ft at 4:00AM May 01, 2016Observed: 17.71 ft at 4:15AM May 01, 2016Observed: 17.71 ft at 4:30AM May 01, 2016Observed: 17.7 ft at 4:45AM May 01, 2016Observed: 17.71 ft at 5:00AM May 01, 2016Observed: 17.71 ft at 5:15AM May 01, 2016Observed: 17.71 ft at 5:30AM May 01, 2016Observed: 17.71 ft at 5:45AM May 01, 2016Observed: 17.71 ft at 6:00AM May 01, 2016Observed: 17.71 ft at 6:15AM May 01, 2016Observed: 17.71 ft at 6:30AM May 01, 2016Observed: 17.72 ft at 6:45AM May 01, 2016Observed: 17.71 ft at 7:00AM May 01, 2016Observed: 17.71 ft at 7:15AM May 01, 2016Observed: 17.72 ft at 7:30AM May 01, 2016Observed: 17.71 ft at 7:45AM May 01, 2016Observed: 17.71 ft at 8:00AM May 01, 2016Observed: 17.71 ft at 8:15AM May 01, 2016Observed: 17.7 ft at 8:30AM May 01, 2016Observed: 17.71 ft at 8:45AM May 01, 2016Observed: 17.71 ft at 9:00AM May 01, 2016Observed: 17.71 ft at 9:15AM May 01, 2016Observed: 17.71 ft at 9:30AM May 01, 2016Observed: 17.7 ft at 9:45AM May 01, 2016Observed: 17.7 ft at 10:00AM May 01, 2016Observed: 17.71 ft at 10:15AM May 01, 2016Observed: 17.71 ft at 10:30AM May 01, 2016Observed: 17.7 ft at 10:45AM May 01, 2016Observed: 17.71 ft at 11:00AM May 01, 2016Observed: 17.7 ft at 11:15AM May 01, 2016Observed: 17.7 ft at 11:30AM May 01, 2016Observed: 17.69 ft at 11:45AM May 01, 2016Observed: 17.7 ft at 12:00PM May 01, 2016Observed: 17.69 ft at 12:15PM May 01, 2016Observed: 17.69 ft at 12:30PM May 01, 2016Observed: 17.7 ft at 12:45PM May 01, 2016Observed: 17.69 ft at 1:00PM May 01, 2016Observed: 17.69 ft at 1:15PM May 01, 2016Observed: 17.69 ft at 1:30PM May 01, 2016Observed: 17.69 ft at 1:45PM May 01, 2016Observed: 17.69 ft at 2:00PM May 01, 2016Observed: 17.68 ft at 2:15PM May 01, 2016Observed: 17.68 ft at 2:30PM May 01, 2016Observed: 17.68 ft at 2:45PM May 01, 2016Observed: 17.68 ft at 3:00PM May 01, 2016Observed: 17.67 ft at 3:15PM May 01, 2016Observed: 17.68 ft at 3:30PM May 01, 2016Observed: 17.67 ft at 3:45PM May 01, 2016Observed: 17.67 ft at 4:00PM May 01, 2016Observed: 17.67 ft at 4:15PM May 01, 2016Observed: 17.67 ft at 4:30PM May 01, 2016Observed: 17.67 ft at 4:31PM May 01, 2016Observed: 17.67 ft at 4:45PM May 01, 2016Observed: 17.67 ft at 4:46PM May 01, 2016Observed: 17.67 ft at 5:00PM May 01, 2016Observed: 17.67 ft at 5:01PM May 01, 2016Observed: 17.66 ft at 5:15PM May 01, 2016Observed: 17.66 ft at 5:30PM May 01, 2016Observed: 17.66 ft at 5:45PM May 01, 2016Observed: 17.66 ft at 6:00PM May 01, 2016Observed: 17.66 ft at 6:15PM May 01, 2016Observed: 17.66 ft at 6:30PM May 01, 2016Observed: 17.66 ft at 6:45PM May 01, 2016Observed: 17.66 ft at 7:00PM May 01, 2016Observed: 17.66 ft at 7:15PM May 01, 2016Observed: 17.66 ft at 7:30PM May 01, 2016Observed: 17.65 ft at 7:45PM May 01, 2016Observed: 17.66 ft at 8:00PM May 01, 2016Observed: 17.65 ft at 8:15PM May 01, 2016Observed: 17.65 ft at 8:30PM May 01, 2016Observed: 17.66 ft at 8:45PM May 01, 2016Observed: 17.65 ft at 9:00PM May 01, 2016Observed: 17.65 ft at 9:15PM May 01, 2016Observed: 17.65 ft at 9:30PM May 01, 2016Observed: 17.66 ft at 9:45PM May 01, 2016Observed: 17.65 ft at 10:00PM May 01, 2016Observed: 17.66 ft at 10:15PM May 01, 2016Observed: 17.65 ft at 10:30PM May 01, 2016Observed: 17.65 ft at 10:45PM May 01, 2016Observed: 17.66 ft at 11:00PM May 01, 2016Observed: 17.66 ft at 11:15PM May 01, 2016Observed: 17.66 ft at 11:30PM May 01, 2016Observed: 17.67 ft at 11:45PM May 01, 2016Observed: 17.66 ft at 12:00AM May 02, 2016Observed: 17.67 ft at 12:15AM May 02, 2016Observed: 17.67 ft at 12:30AM May 02, 2016Observed: 17.67 ft at 12:45AM May 02, 2016Observed: 17.67 ft at 1:00AM May 02, 2016Observed: 17.67 ft at 1:15AM May 02, 2016Observed: 17.67 ft at 1:30AM May 02, 2016Observed: 17.68 ft at 1:45AM May 02, 2016Observed: 17.68 ft at 2:00AM May 02, 2016Observed: 17.69 ft at 2:15AM May 02, 2016Observed: 17.68 ft at 2:30AM May 02, 2016Observed: 17.69 ft at 2:45AM May 02, 2016Observed: 17.69 ft at 3:00AM May 02, 2016Observed: 17.69 ft at 3:15AM May 02, 2016Observed: 17.69 ft at 3:30AM May 02, 2016Observed: 17.7 ft at 3:45AM May 02, 2016Observed: 17.7 ft at 4:00AM May 02, 2016Observed: 17.7 ft at 4:15AM May 02, 2016Observed: 17.7 ft at 4:30AM May 02, 2016Observed: 17.7 ft at 4:45AM May 02, 2016Observed: 17.71 ft at 5:00AM May 02, 2016Observed: 17.7 ft at 5:15AM May 02, 2016Observed: 17.71 ft at 5:30AM May 02, 2016Observed: 17.71 ft at 5:45AM May 02, 2016Observed: 17.71 ft at 6:00AM May 02, 2016Observed: 17.72 ft at 6:15AM May 02, 2016Observed: 17.72 ft at 6:30AM May 02, 2016Observed: 17.72 ft at 6:45AM May 02, 2016Observed: 17.73 ft at 7:00AM May 02, 2016Observed: 17.73 ft at 7:15AM May 02, 2016Observed: 17.74 ft at 7:30AM May 02, 2016Observed: 17.74 ft at 7:45AM May 02, 2016Observed: 17.74 ft at 8:00AM May 02, 2016Observed: 17.74 ft at 8:15AM May 02, 2016Observed: 17.75 ft at 8:30AM May 02, 2016Observed: 17.75 ft at 8:31AM May 02, 2016Observed: 17.75 ft at 8:45AM May 02, 2016Observed: 17.75 ft at 8:46AM May 02, 2016Observed: 17.75 ft at 9:00AM May 02, 2016Observed: 17.75 ft at 9:01AM May 02, 2016Observed: 17.76 ft at 9:15AM May 02, 2016Observed: 17.76 ft at 9:30AM May 02, 2016Observed: 17.77 ft at 9:45AM May 02, 2016Observed: 17.77 ft at 10:00AM May 02, 2016Observed: 17.76 ft at 10:15AM May 02, 2016Observed: 17.77 ft at 10:30AM May 02, 2016Observed: 17.78 ft at 10:45AM May 02, 2016Observed: 17.79 ft at 11:00AM May 02, 2016Observed: 17.79 ft at 11:15AM May 02, 2016Observed: 17.79 ft at 11:30AM May 02, 2016Observed: 17.79 ft at 11:45AM May 02, 2016Observed: 17.79 ft at 12:00PM May 02, 2016Observed: 17.8 ft at 12:15PM May 02, 2016Observed: 17.8 ft at 12:30PM May 02, 2016Observed: 17.81 ft at 12:45PM May 02, 2016Observed: 17.81 ft at 1:00PM May 02, 2016Observed: 17.81 ft at 1:15PM May 02, 2016Observed: 17.81 ft at 1:30PM May 02, 2016Observed: 17.82 ft at 1:45PM May 02, 2016Observed: 17.82 ft at 2:00PM May 02, 2016Observed: 17.82 ft at 2:15PM May 02, 2016Observed: 17.82 ft at 2:30PM May 02, 2016Observed: 17.84 ft at 2:45PM May 02, 2016Observed: 17.84 ft at 3:00PM May 02, 2016Observed: 17.83 ft at 3:15PM May 02, 2016Observed: 17.84 ft at 3:30PM May 02, 2016Observed: 17.85 ft at 3:45PM May 02, 2016Observed: 17.85 ft at 4:00PM May 02, 2016Observed: 17.85 ft at 4:15PM May 02, 2016Observed: 17.85 ft at 4:30PM May 02, 2016Observed: 17.85 ft at 4:31PM May 02, 2016Observed: 17.86 ft at 4:45PM May 02, 2016Observed: 17.86 ft at 4:46PM May 02, 2016Observed: 17.86 ft at 5:00PM May 02, 2016Observed: 17.86 ft at 5:01PM May 02, 2016Observed: 17.87 ft at 5:15PM May 02, 2016Observed: 17.87 ft at 5:30PM May 02, 2016Observed: 17.88 ft at 5:45PM May 02, 2016Observed: 17.88 ft at 6:00PM May 02, 2016Observed: 17.88 ft at 6:15PM May 02, 2016Observed: 17.88 ft at 6:30PM May 02, 2016Observed: 17.9 ft at 6:45PM May 02, 2016Observed: 17.89 ft at 7:00PM May 02, 2016Observed: 17.9 ft at 7:15PM May 02, 2016Observed: 17.89 ft at 7:30PM May 02, 2016Observed: 17.91 ft at 7:45PM May 02, 2016Observed: 17.91 ft at 8:00PM May 02, 2016Observed: 17.91 ft at 8:15PM May 02, 2016Observed: 17.92 ft at 8:30PM May 02, 2016Observed: 17.92 ft at 8:45PM May 02, 2016Observed: 17.92 ft at 9:00PM May 02, 2016Observed: 17.93 ft at 9:15PM May 02, 2016Observed: 17.93 ft at 9:30PM May 02, 2016Observed: 17.94 ft at 9:45PM May 02, 2016Observed: 17.94 ft at 10:00PM May 02, 2016Observed: 17.95 ft at 10:15PM May 02, 2016Observed: 17.95 ft at 10:30PM May 02, 2016Observed: 17.96 ft at 10:45PM May 02, 2016Observed: 17.96 ft at 11:00PM May 02, 2016Observed: 17.97 ft at 11:15PM May 02, 2016Observed: 17.97 ft at 11:30PM May 02, 2016Observed: 17.97 ft at 11:45PM May 02, 2016Observed: 17.98 ft at 12:00AM May 03, 2016Observed: 17.98 ft at 12:15AM May 03, 2016Observed: 17.99 ft at 12:30AM May 03, 2016Observed: 17.99 ft at 12:31AM May 03, 2016Observed: 17.99 ft at 12:45AM May 03, 2016Observed: 17.99 ft at 12:46AM May 03, 2016Observed: 17.99 ft at 1:00AM May 03, 2016Observed: 17.99 ft at 1:01AM May 03, 2016Observed: 18 ft at 1:15AM May 03, 2016Observed: 18.01 ft at 1:30AM May 03, 2016Observed: 18.02 ft at 1:45AM May 03, 2016Observed: 18.02 ft at 2:00AM May 03, 2016Observed: 18.03 ft at 2:15AM May 03, 2016Observed: 18.03 ft at 2:30AM May 03, 2016Observed: 18.04 ft at 2:45AM May 03, 2016Observed: 18.03 ft at 3:00AM May 03, 2016Observed: 18.05 ft at 3:15AM May 03, 2016Observed: 18.05 ft at 3:30AM May 03, 2016Observed: 18.07 ft at 3:45AM May 03, 2016Observed: 18.05 ft at 4:00AM May 03, 2016Observed: 18.06 ft at 4:15AM May 03, 2016Observed: 18.07 ft at 4:30AM May 03, 2016Observed: 18.08 ft at 4:45AM May 03, 2016Observed: 18.08 ft at 5:00AM May 03, 2016Observed: 18.08 ft at 5:15AM May 03, 2016Observed: 18.08 ft at 5:30AM May 03, 2016Observed: 18.09 ft at 5:45AM May 03, 2016Observed: 18.09 ft at 6:00AM May 03, 2016Observed: 18.1 ft at 6:15AM May 03, 2016Observed: 18.1 ft at 6:30AM May 03, 2016Observed: 18.1 ft at 6:45AM May 03, 2016Observed: 18.11 ft at 7:00AM May 03, 2016Observed: 18.12 ft at 7:15AM May 03, 2016Observed: 18.11 ft at 7:30AM May 03, 2016Observed: 18.11 ft at 7:45AM May 03, 2016Observed: 18.13 ft at 8:00AM May 03, 2016Observed: 18.11 ft at 8:15AM May 03, 2016Observed: 18.12 ft at 8:30AM May 03, 2016Observed: 18.12 ft at 8:31AM May 03, 2016Observed: 18.13 ft at 8:45AM May 03, 2016Observed: 18.13 ft at 8:46AM May 03, 2016Observed: 18.12 ft at 9:00AM May 03, 2016Observed: 18.12 ft at 9:01AM May 03, 2016Observed: 18.13 ft at 9:15AM May 03, 2016Observed: 18.13 ft at 9:30AM May 03, 2016Observed: 18.13 ft at 9:45AM May 03, 2016Observed: 18.12 ft at 10:00AM May 03, 2016Observed: 18.13 ft at 10:15AM May 03, 2016Observed: 18.14 ft at 10:30AM May 03, 2016Observed: 18.15 ft at 10:45AM May 03, 2016Observed: 18.16 ft at 11:00AM May 03, 2016Observed: 18.15 ft at 11:15AM May 03, 2016Observed: 18.15 ft at 11:30AM May 03, 2016Observed: 18.16 ft at 11:45AM May 03, 2016Observed: 18.15 ft at 12:00PM May 03, 2016Observed: 18.16 ft at 12:15PM May 03, 2016Observed: 18.15 ft at 12:30PM May 03, 2016Observed: 18.16 ft at 12:45PM May 03, 2016Observed: 18.16 ft at 1:00PM May 03, 2016Observed: 18.16 ft at 1:15PM May 03, 2016Observed: 18.17 ft at 1:30PM May 03, 2016Observed: 18.16 ft at 1:45PM May 03, 2016Observed: 18.16 ft at 2:00PM May 03, 2016Observed: 18.16 ft at 2:15PM May 03, 2016Observed: 18.18 ft at 2:30PM May 03, 2016Observed: 18.18 ft at 2:45PM May 03, 2016Observed: 18.18 ft at 3:00PM May 03, 2016Observed: 18.17 ft at 3:15PM May 03, 2016Observed: 18.19 ft at 3:30PM May 03, 2016Observed: 18.19 ft at 3:45PM May 03, 2016Highest Observation: 18.2 ft at 4:00PM May 03, 2016Observed: 18.19 ft at 4:15PM May 03, 2016Observed: 18.19 ft at 4:30PM May 03, 2016Observed: 18.19 ft at 4:45PM May 03, 2016Observed: 18.19 ft at 5:00PM May 03, 2016Observed: 18.19 ft at 5:15PM May 03, 2016Observed: 18.19 ft at 5:30PM May 03, 2016Highest Observation: 18.2 ft at 5:45PM May 03, 2016Observed: 18.19 ft at 6:00PM May 03, 2016Highest Observation: 18.2 ft at 6:15PM May 03, 2016Highest Observation: 18.2 ft at 6:30PM May 03, 2016Highest Observation: 18.2 ft at 6:45PM May 03, 2016Highest Observation: 18.2 ft at 7:00PM May 03, 2016Highest Observation: 18.2 ft at 7:15PM May 03, 2016Observed: 18.19 ft at 7:30PM May 03, 2016Observed: 18.19 ft at 7:45PM May 03, 2016Observed: 18.19 ft at 8:00PM May 03, 2016Observed: 18.19 ft at 8:15PM May 03, 2016Observed: 18.19 ft at 8:30PM May 03, 2016Observed: 18.19 ft at 8:45PM May 03, 2016Highest Observation: 18.2 ft at 9:00PM May 03, 2016Observed: 18.19 ft at 9:15PM May 03, 2016Observed: 18.19 ft at 9:30PM May 03, 2016Observed: 18.19 ft at 9:45PM May 03, 2016Observed: 18.18 ft at 10:00PM May 03, 2016Observed: 18.19 ft at 10:15PM May 03, 2016Observed: 18.18 ft at 10:30PM May 03, 2016Observed: 18.17 ft at 10:45PM May 03, 2016Observed: 18.18 ft at 11:00PM May 03, 2016Observed: 18.18 ft at 11:15PM May 03, 2016Observed: 18.18 ft at 11:30PM May 03, 2016Observed: 18.17 ft at 11:45PM May 03, 2016Observed: 18.18 ft at 12:00AM May 04, 2016Observed: 18.17 ft at 12:15AM May 04, 2016Observed: 18.17 ft at 12:30AM May 04, 2016Observed: 18.16 ft at 12:45AM May 04, 2016Observed: 18.16 ft at 12:46AM May 04, 2016Observed: 18.17 ft at 1:00AM May 04, 2016Observed: 18.17 ft at 1:01AM May 04, 2016Observed: 18.15 ft at 1:15AM May 04, 2016Observed: 18.15 ft at 1:16AM May 04, 2016Observed: 18.16 ft at 1:30AM May 04, 2016Observed: 18.15 ft at 1:45AM May 04, 2016Observed: 18.15 ft at 2:00AM May 04, 2016Observed: 18.14 ft at 2:15AM May 04, 2016Observed: 18.14 ft at 2:30AM May 04, 2016Observed: 18.13 ft at 2:45AM May 04, 2016Observed: 18.13 ft at 3:00AM May 04, 2016Observed: 18.13 ft at 3:15AM May 04, 2016Observed: 18.12 ft at 3:30AM May 04, 2016Observed: 18.11 ft at 3:45AM May 04, 2016Observed: 18.12 ft at 4:00AM May 04, 2016Observed: 18.1 ft at 4:15AM May 04, 2016Observed: 18.1 ft at 4:30AM May 04, 2016Observed: 18.09 ft at 4:45AM May 04, 2016Observed: 18.09 ft at 5:00AM May 04, 2016Observed: 18.09 ft at 5:15AM May 04, 2016Observed: 18.07 ft at 5:30AM May 04, 2016Observed: 18.07 ft at 5:45AM May 04, 2016Observed: 18.07 ft at 6:00AM May 04, 2016Observed: 18.06 ft at 6:15AM May 04, 2016Observed: 18.05 ft at 6:30AM May 04, 2016Observed: 18.04 ft at 6:45AM May 04, 2016Observed: 18.03 ft at 7:00AM May 04, 2016Observed: 18.02 ft at 7:15AM May 04, 2016Observed: 18.02 ft at 7:30AM May 04, 2016Observed: 18.01 ft at 7:45AM May 04, 2016Observed: 18.01 ft at 8:00AM May 04, 2016Observed: 18 ft at 8:15AM May 04, 2016Observed: 17.98 ft at 8:30AM May 04, 2016Observed: 17.98 ft at 8:45AM May 04, 2016Observed: 17.98 ft at 8:46AM May 04, 2016Observed: 17.97 ft at 9:00AM May 04, 2016Observed: 17.97 ft at 9:01AM May 04, 2016Observed: 17.96 ft at 9:15AM May 04, 2016Observed: 17.96 ft at 9:16AM May 04, 2016Observed: 17.95 ft at 9:30AM May 04, 2016Observed: 17.94 ft at 9:45AM May 04, 2016Observed: 17.94 ft at 10:00AM May 04, 2016Observed: 17.92 ft at 10:15AM May 04, 2016Observed: 17.91 ft at 10:30AM May 04, 2016Observed: 17.91 ft at 10:45AM May 04, 2016Observed: 17.91 ft at 11:00AM May 04, 2016Observed: 17.89 ft at 11:15AM May 04, 2016Observed: 17.88 ft at 11:30AM May 04, 2016Observed: 17.87 ft at 11:45AM May 04, 2016Observed: 17.85 ft at 12:00PM May 04, 2016Observed: 17.85 ft at 12:15PM May 04, 2016Observed: 17.84 ft at 12:30PM May 04, 2016Observed: 17.83 ft at 12:45PM May 04, 2016Observed: 17.82 ft at 1:00PM May 04, 2016Observed: 17.82 ft at 1:15PM May 04, 2016Observed: 17.79 ft at 1:30PM May 04, 2016Observed: 17.79 ft at 1:45PM May 04, 2016Observed: 17.78 ft at 2:00PM May 04, 2016Observed: 17.77 ft at 2:15PM May 04, 2016Observed: 17.75 ft at 2:30PM May 04, 2016Observed: 17.74 ft at 2:45PM May 04, 2016Observed: 17.73 ft at 3:00PM May 04, 2016Observed: 17.72 ft at 3:15PM May 04, 2016Observed: 17.71 ft at 3:30PM May 04, 2016Observed: 17.7 ft at 3:45PM May 04, 2016Observed: 17.69 ft at 4:00PM May 04, 2016Observed: 17.67 ft at 4:15PM May 04, 2016Observed: 17.66 ft at 4:30PM May 04, 2016Observed: 17.65 ft at 4:45PM May 04, 2016Observed: 17.65 ft at 4:46PM May 04, 2016Observed: 17.64 ft at 5:00PM May 04, 2016Observed: 17.64 ft at 5:01PM May 04, 2016Observed: 17.62 ft at 5:15PM May 04, 2016Observed: 17.62 ft at 5:16PM May 04, 2016Observed: 17.61 ft at 5:30PM May 04, 2016Observed: 17.6 ft at 5:45PM May 04, 2016Observed: 17.58 ft at 6:00PM May 04, 2016Observed: 17.57 ft at 6:15PM May 04, 2016Observed: 17.56 ft at 6:30PM May 04, 2016Observed: 17.55 ft at 6:45PM May 04, 2016Observed: 17.54 ft at 7:00PM May 04, 2016Highest Forecast: 16.7 ft 1:00AM May 05, 2016Forecast: 16.2 ft 7:00AM May 05, 2016Forecast: 15.7 ft 1:00PM May 05, 2016Forecast: 15.3 ft 7:00PM May 05, 2016Forecast: 14.9 ft 1:00AM May 06, 2016Forecast: 14.7 ft 7:00AM May 06, 2016Forecast: 14.4 ft 1:00PM May 06, 2016Forecast: 14.2 ft 7:00PM May 06, 2016Forecast: 14 ft 1:00AM May 07, 2016Forecast: 13.8 ft 7:00AM May 07, 2016Forecast: 13.6 ft 1:00PM May 07, 2016Forecast: 13.5 ft 7:00PM May 07, 2016Forecast: 13.4 ft 1:00AM May 08, 2016Forecast: 13.3 ft 7:00AM May 08, 2016Forecast: 13.1 ft 1:00PM May 08, 2016Forecast: 13 ft 7:00PM May 08, 2016Forecast: 12.9 ft 1:00AM May 09, 2016Forecast: 12.7 ft 7:00AM May 09, 2016USGS--Water Resources of the United StatesAKRI4(plotting HGIRG) Graph Created (7:47PM May 4, 2016)ObservedForecast (issued 4:52PM May 4)Latest observed value: 17.54 ft at 7:00 PM CDT 4-May-2016. 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 1:56 AM
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