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Hydrograph River at a Glance Download
Big Sioux River at Akron Stage (ft)Flow (cfs)Highest Observation: 8.65 ft at 7:15PM Jul 19, 2014Highest Observation: 8.65 ft at 7:30PM Jul 19, 2014Observed: 8.64 ft at 7:45PM Jul 19, 2014Observed: 8.63 ft at 8:00PM Jul 19, 2014Observed: 8.62 ft at 8:15PM Jul 19, 2014Observed: 8.62 ft at 8:30PM Jul 19, 2014Observed: 8.61 ft at 8:45PM Jul 19, 2014Observed: 8.61 ft at 9:00PM Jul 19, 2014Observed: 8.59 ft at 9:15PM Jul 19, 2014Observed: 8.59 ft at 9:30PM Jul 19, 2014Observed: 8.58 ft at 9:45PM Jul 19, 2014Observed: 8.57 ft at 10:00PM Jul 19, 2014Observed: 8.57 ft at 10:15PM Jul 19, 2014Observed: 8.56 ft at 10:30PM Jul 19, 2014Observed: 8.56 ft at 10:45PM Jul 19, 2014Observed: 8.56 ft at 11:00PM Jul 19, 2014Observed: 8.54 ft at 11:15PM Jul 19, 2014Observed: 8.54 ft at 11:30PM Jul 19, 2014Observed: 8.54 ft at 11:45PM Jul 19, 2014Observed: 8.53 ft at 12:00AM Jul 20, 2014Observed: 8.53 ft at 12:15AM Jul 20, 2014Observed: 8.52 ft at 12:30AM Jul 20, 2014Observed: 8.51 ft at 12:45AM Jul 20, 2014Observed: 8.51 ft at 1:00AM Jul 20, 2014Observed: 8.5 ft at 1:15AM Jul 20, 2014Observed: 8.5 ft at 1:30AM Jul 20, 2014Observed: 8.49 ft at 1:45AM Jul 20, 2014Observed: 8.49 ft at 2:00AM Jul 20, 2014Observed: 8.49 ft at 2:15AM Jul 20, 2014Observed: 8.48 ft at 2:30AM Jul 20, 2014Observed: 8.48 ft at 2:45AM Jul 20, 2014Observed: 8.47 ft at 3:00AM Jul 20, 2014Observed: 8.47 ft at 3:15AM Jul 20, 2014Observed: 8.47 ft at 3:30AM Jul 20, 2014Observed: 8.46 ft at 3:45AM Jul 20, 2014Observed: 8.46 ft at 4:00AM Jul 20, 2014Observed: 8.46 ft at 4:15AM Jul 20, 2014Observed: 8.45 ft at 4:30AM Jul 20, 2014Observed: 8.45 ft at 4:45AM Jul 20, 2014Observed: 8.45 ft at 5:00AM Jul 20, 2014Observed: 8.45 ft at 5:15AM Jul 20, 2014Observed: 8.45 ft at 5:30AM Jul 20, 2014Observed: 8.45 ft at 5:45AM Jul 20, 2014Observed: 8.44 ft at 6:00AM Jul 20, 2014Observed: 8.44 ft at 6:15AM Jul 20, 2014Observed: 8.44 ft at 6:30AM Jul 20, 2014Observed: 8.44 ft at 6:45AM Jul 20, 2014Observed: 8.44 ft at 7:00AM Jul 20, 2014Observed: 8.44 ft at 7:15AM Jul 20, 2014Observed: 8.44 ft at 7:30AM Jul 20, 2014Observed: 8.44 ft at 7:45AM Jul 20, 2014Observed: 8.43 ft at 8:00AM Jul 20, 2014Observed: 8.43 ft at 8:15AM Jul 20, 2014Observed: 8.44 ft at 8:30AM Jul 20, 2014Observed: 8.44 ft at 8:45AM Jul 20, 2014Observed: 8.44 ft at 9:00AM Jul 20, 2014Observed: 8.44 ft at 9:15AM Jul 20, 2014Observed: 8.44 ft at 9:30AM Jul 20, 2014Observed: 8.44 ft at 9:45AM Jul 20, 2014Observed: 8.44 ft at 10:00AM Jul 20, 2014Observed: 8.44 ft at 10:15AM Jul 20, 2014Observed: 8.44 ft at 10:30AM Jul 20, 2014Observed: 8.44 ft at 10:45AM Jul 20, 2014Observed: 8.44 ft at 11:00AM Jul 20, 2014Observed: 8.44 ft at 11:15AM Jul 20, 2014Observed: 8.43 ft at 11:30AM Jul 20, 2014Observed: 8.43 ft at 11:45AM Jul 20, 2014Observed: 8.44 ft at 12:00PM Jul 20, 2014Observed: 8.43 ft at 12:15PM Jul 20, 2014Observed: 8.43 ft at 12:30PM Jul 20, 2014Observed: 8.43 ft at 12:45PM Jul 20, 2014Observed: 8.43 ft at 1:00PM Jul 20, 2014Observed: 8.43 ft at 1:15PM Jul 20, 2014Observed: 8.43 ft at 1:30PM Jul 20, 2014Observed: 8.43 ft at 1:45PM Jul 20, 2014Observed: 8.43 ft at 2:00PM Jul 20, 2014Observed: 8.43 ft at 2:15PM Jul 20, 2014Observed: 8.43 ft at 2:30PM Jul 20, 2014Observed: 8.43 ft at 2:45PM Jul 20, 2014Observed: 8.43 ft at 3:00PM Jul 20, 2014Observed: 8.43 ft at 3:15PM Jul 20, 2014Observed: 8.42 ft at 3:30PM Jul 20, 2014Observed: 8.43 ft at 3:45PM Jul 20, 2014Observed: 8.43 ft at 4:00PM Jul 20, 2014Observed: 8.42 ft at 4:15PM Jul 20, 2014Observed: 8.43 ft at 4:30PM Jul 20, 2014Observed: 8.42 ft at 4:45PM Jul 20, 2014Observed: 8.42 ft at 5:00PM Jul 20, 2014Observed: 8.42 ft at 5:15PM Jul 20, 2014Observed: 8.42 ft at 5:16PM Jul 20, 2014Observed: 8.42 ft at 5:30PM Jul 20, 2014Observed: 8.42 ft at 5:31PM Jul 20, 2014Observed: 8.42 ft at 5:45PM Jul 20, 2014Observed: 8.42 ft at 5:46PM Jul 20, 2014Observed: 8.42 ft at 6:00PM Jul 20, 2014Observed: 8.41 ft at 6:15PM Jul 20, 2014Observed: 8.41 ft at 6:30PM Jul 20, 2014Observed: 8.41 ft at 6:45PM Jul 20, 2014Observed: 8.41 ft at 7:00PM Jul 20, 2014Observed: 8.41 ft at 7:15PM Jul 20, 2014Observed: 8.41 ft at 7:30PM Jul 20, 2014Observed: 8.41 ft at 7:45PM Jul 20, 2014Observed: 8.41 ft at 8:00PM Jul 20, 2014Observed: 8.4 ft at 8:15PM Jul 20, 2014Observed: 8.4 ft at 8:30PM Jul 20, 2014Observed: 8.4 ft at 8:45PM Jul 20, 2014Observed: 8.4 ft at 9:00PM Jul 20, 2014Observed: 8.4 ft at 9:15PM Jul 20, 2014Observed: 8.39 ft at 9:30PM Jul 20, 2014Observed: 8.4 ft at 9:45PM Jul 20, 2014Observed: 8.4 ft at 10:00PM Jul 20, 2014Observed: 8.4 ft at 10:15PM Jul 20, 2014Observed: 8.4 ft at 10:30PM Jul 20, 2014Observed: 8.4 ft at 10:45PM Jul 20, 2014Observed: 8.4 ft at 11:00PM Jul 20, 2014Observed: 8.39 ft at 11:15PM Jul 20, 2014Observed: 8.39 ft at 11:30PM Jul 20, 2014Observed: 8.39 ft at 11:45PM Jul 20, 2014Observed: 8.39 ft at 12:00AM Jul 21, 2014Observed: 8.39 ft at 12:15AM Jul 21, 2014Observed: 8.38 ft at 12:30AM Jul 21, 2014Observed: 8.38 ft at 12:45AM Jul 21, 2014Observed: 8.38 ft at 1:00AM Jul 21, 2014Observed: 8.38 ft at 1:15AM Jul 21, 2014Observed: 8.38 ft at 1:16AM Jul 21, 2014Observed: 8.37 ft at 1:30AM Jul 21, 2014Observed: 8.37 ft at 1:31AM Jul 21, 2014Observed: 8.37 ft at 1:45AM Jul 21, 2014Observed: 8.37 ft at 1:46AM Jul 21, 2014Observed: 8.37 ft at 2:00AM Jul 21, 2014Observed: 8.37 ft at 2:15AM Jul 21, 2014Observed: 8.37 ft at 2:30AM Jul 21, 2014Observed: 8.36 ft at 2:45AM Jul 21, 2014Observed: 8.36 ft at 3:00AM Jul 21, 2014Observed: 8.36 ft at 3:15AM Jul 21, 2014Observed: 8.36 ft at 3:30AM Jul 21, 2014Observed: 8.36 ft at 3:45AM Jul 21, 2014Observed: 8.36 ft at 4:00AM Jul 21, 2014Observed: 8.35 ft at 4:15AM Jul 21, 2014Observed: 8.35 ft at 4:30AM Jul 21, 2014Observed: 8.35 ft at 4:45AM Jul 21, 2014Observed: 8.35 ft at 5:00AM Jul 21, 2014Observed: 8.35 ft at 5:15AM Jul 21, 2014Observed: 8.35 ft at 5:30AM Jul 21, 2014Observed: 8.35 ft at 5:45AM Jul 21, 2014Observed: 8.35 ft at 6:00AM Jul 21, 2014Observed: 8.35 ft at 6:15AM Jul 21, 2014Observed: 8.35 ft at 6:30AM Jul 21, 2014Observed: 8.34 ft at 6:45AM Jul 21, 2014Observed: 8.34 ft at 7:00AM Jul 21, 2014Observed: 8.34 ft at 7:15AM Jul 21, 2014Observed: 8.34 ft at 7:30AM Jul 21, 2014Observed: 8.34 ft at 7:45AM Jul 21, 2014Observed: 8.34 ft at 8:00AM Jul 21, 2014Observed: 8.34 ft at 8:15AM Jul 21, 2014Observed: 8.34 ft at 8:30AM Jul 21, 2014Observed: 8.33 ft at 8:45AM Jul 21, 2014Observed: 8.33 ft at 9:00AM Jul 21, 2014Observed: 8.33 ft at 9:15AM Jul 21, 2014Observed: 8.33 ft at 9:30AM Jul 21, 2014Observed: 8.33 ft at 9:45AM Jul 21, 2014Observed: 8.33 ft at 10:00AM Jul 21, 2014Observed: 8.33 ft at 10:15AM Jul 21, 2014Observed: 8.33 ft at 10:30AM Jul 21, 2014Observed: 8.33 ft at 10:45AM Jul 21, 2014Observed: 8.33 ft at 11:00AM Jul 21, 2014Observed: 8.32 ft at 11:15AM Jul 21, 2014Observed: 8.32 ft at 11:30AM Jul 21, 2014Observed: 8.32 ft at 11:45AM Jul 21, 2014Observed: 8.32 ft at 12:00PM Jul 21, 2014Observed: 8.32 ft at 12:15PM Jul 21, 2014Observed: 8.31 ft at 12:30PM Jul 21, 2014Observed: 8.31 ft at 12:45PM Jul 21, 2014Observed: 8.31 ft at 1:00PM Jul 21, 2014Observed: 8.31 ft at 1:15PM Jul 21, 2014Observed: 8.31 ft at 1:30PM Jul 21, 2014Observed: 8.3 ft at 1:45PM Jul 21, 2014Observed: 8.31 ft at 2:00PM Jul 21, 2014Observed: 8.3 ft at 2:15PM Jul 21, 2014Observed: 8.3 ft at 2:30PM Jul 21, 2014Observed: 8.3 ft at 2:45PM Jul 21, 2014Observed: 8.3 ft at 3:00PM Jul 21, 2014Observed: 8.29 ft at 3:15PM Jul 21, 2014Observed: 8.29 ft at 3:30PM Jul 21, 2014Observed: 8.29 ft at 3:45PM Jul 21, 2014Observed: 8.29 ft at 4:00PM Jul 21, 2014Observed: 8.28 ft at 4:15PM Jul 21, 2014Observed: 8.29 ft at 4:30PM Jul 21, 2014Observed: 8.29 ft at 4:45PM Jul 21, 2014Observed: 8.29 ft at 5:00PM Jul 21, 2014Observed: 8.28 ft at 5:15PM Jul 21, 2014Observed: 8.28 ft at 5:30PM Jul 21, 2014Observed: 8.28 ft at 5:31PM Jul 21, 2014Observed: 8.28 ft at 5:45PM Jul 21, 2014Observed: 8.28 ft at 5:46PM Jul 21, 2014Observed: 8.28 ft at 6:00PM Jul 21, 2014Observed: 8.28 ft at 6:01PM Jul 21, 2014Observed: 8.28 ft at 6:15PM Jul 21, 2014Observed: 8.28 ft at 6:30PM Jul 21, 2014Observed: 8.27 ft at 6:45PM Jul 21, 2014Observed: 8.27 ft at 7:00PM Jul 21, 2014Observed: 8.27 ft at 7:15PM Jul 21, 2014Observed: 8.27 ft at 7:30PM Jul 21, 2014Observed: 8.27 ft at 7:45PM Jul 21, 2014Observed: 8.26 ft at 8:00PM Jul 21, 2014Observed: 8.26 ft at 8:15PM Jul 21, 2014Observed: 8.26 ft at 8:30PM Jul 21, 2014Observed: 8.26 ft at 8:45PM Jul 21, 2014Observed: 8.26 ft at 9:00PM Jul 21, 2014Observed: 8.25 ft at 9:15PM Jul 21, 2014Observed: 8.25 ft at 9:30PM Jul 21, 2014Observed: 8.25 ft at 9:45PM Jul 21, 2014Observed: 8.25 ft at 10:00PM Jul 21, 2014Observed: 8.25 ft at 10:15PM Jul 21, 2014Observed: 8.24 ft at 10:30PM Jul 21, 2014Observed: 8.24 ft at 10:45PM Jul 21, 2014Observed: 8.25 ft at 11:00PM Jul 21, 2014Observed: 8.24 ft at 11:15PM Jul 21, 2014Observed: 8.24 ft at 11:30PM Jul 21, 2014Observed: 8.24 ft at 11:45PM Jul 21, 2014Observed: 8.24 ft at 12:00AM Jul 22, 2014Observed: 8.23 ft at 12:15AM Jul 22, 2014Observed: 8.23 ft at 12:30AM Jul 22, 2014Observed: 8.23 ft at 12:45AM Jul 22, 2014Observed: 8.23 ft at 1:00AM Jul 22, 2014Observed: 8.23 ft at 1:15AM Jul 22, 2014Observed: 8.23 ft at 1:30AM Jul 22, 2014Observed: 8.23 ft at 1:31AM Jul 22, 2014Observed: 8.23 ft at 1:45AM Jul 22, 2014Observed: 8.23 ft at 1:46AM Jul 22, 2014Observed: 8.22 ft at 2:00AM Jul 22, 2014Observed: 8.22 ft at 2:01AM Jul 22, 2014Observed: 8.22 ft at 2:15AM Jul 22, 2014Observed: 8.22 ft at 2:30AM Jul 22, 2014Observed: 8.22 ft at 2:45AM Jul 22, 2014Observed: 8.22 ft at 3:00AM Jul 22, 2014Observed: 8.21 ft at 3:15AM Jul 22, 2014Observed: 8.21 ft at 3:30AM Jul 22, 2014Observed: 8.21 ft at 3:45AM Jul 22, 2014Observed: 8.21 ft at 4:00AM Jul 22, 2014Observed: 8.21 ft at 4:15AM Jul 22, 2014Observed: 8.21 ft at 4:30AM Jul 22, 2014Observed: 8.21 ft at 4:45AM Jul 22, 2014Observed: 8.21 ft at 5:00AM Jul 22, 2014Observed: 8.21 ft at 5:15AM Jul 22, 2014Observed: 8.21 ft at 5:30AM Jul 22, 2014Observed: 8.21 ft at 5:45AM Jul 22, 2014Observed: 8.2 ft at 6:00AM Jul 22, 2014Observed: 8.2 ft at 6:15AM Jul 22, 2014Observed: 8.2 ft at 6:30AM Jul 22, 2014Observed: 8.2 ft at 6:45AM Jul 22, 2014Observed: 8.2 ft at 7:00AM Jul 22, 2014Observed: 8.2 ft at 7:15AM Jul 22, 2014Observed: 8.19 ft at 7:30AM Jul 22, 2014Observed: 8.19 ft at 7:45AM Jul 22, 2014Observed: 8.2 ft at 8:00AM Jul 22, 2014Observed: 8.19 ft at 8:15AM Jul 22, 2014Observed: 8.19 ft at 8:30AM Jul 22, 2014Observed: 8.19 ft at 8:45AM Jul 22, 2014Observed: 8.19 ft at 9:00AM Jul 22, 2014Observed: 8.18 ft at 9:15AM Jul 22, 2014Observed: 8.18 ft at 9:30AM Jul 22, 2014Observed: 8.18 ft at 9:31AM Jul 22, 2014Observed: 8.18 ft at 9:45AM Jul 22, 2014Observed: 8.18 ft at 9:46AM Jul 22, 2014Observed: 8.18 ft at 10:00AM Jul 22, 2014Observed: 8.18 ft at 10:01AM Jul 22, 2014Observed: 8.18 ft at 10:15AM Jul 22, 2014Observed: 8.18 ft at 10:30AM Jul 22, 2014Observed: 8.17 ft at 10:45AM Jul 22, 2014Observed: 8.17 ft at 11:00AM Jul 22, 2014Observed: 8.18 ft at 11:15AM Jul 22, 2014Observed: 8.17 ft at 11:30AM Jul 22, 2014Observed: 8.16 ft at 11:45AM Jul 22, 2014Observed: 8.16 ft at 12:00PM Jul 22, 2014Observed: 8.16 ft at 12:15PM Jul 22, 2014Observed: 8.16 ft at 12:30PM Jul 22, 2014Observed: 8.16 ft at 12:45PM Jul 22, 2014Observed: 8.16 ft at 1:00PM Jul 22, 2014Observed: 8.16 ft at 1:15PM Jul 22, 2014Observed: 8.16 ft at 1:30PM Jul 22, 2014Observed: 8.16 ft at 1:45PM Jul 22, 2014Observed: 8.16 ft at 2:00PM Jul 22, 2014Observed: 8.15 ft at 2:15PM Jul 22, 2014Observed: 8.15 ft at 2:30PM Jul 22, 2014Observed: 8.15 ft at 2:45PM Jul 22, 2014Observed: 8.15 ft at 3:00PM Jul 22, 2014Observed: 8.15 ft at 3:15PM Jul 22, 2014Observed: 8.14 ft at 3:30PM Jul 22, 2014Observed: 8.14 ft at 3:45PM Jul 22, 2014Observed: 8.14 ft at 4:00PM Jul 22, 2014Observed: 8.14 ft at 4:15PM Jul 22, 2014Observed: 8.14 ft at 4:30PM Jul 22, 2014Observed: 8.14 ft at 4:45PM Jul 22, 2014Observed: 8.14 ft at 5:00PM Jul 22, 2014Observed: 8.13 ft at 5:15PM Jul 22, 2014Observed: 8.14 ft at 5:30PM Jul 22, 2014Observed: 8.14 ft at 5:31PM Jul 22, 2014Observed: 8.13 ft at 5:45PM Jul 22, 2014Observed: 8.13 ft at 5:46PM Jul 22, 2014Observed: 8.13 ft at 6:00PM Jul 22, 2014Observed: 8.13 ft at 6:01PM Jul 22, 2014Observed: 8.13 ft at 6:15PM Jul 22, 2014Observed: 8.12 ft at 6:30PM Jul 22, 2014Observed: 8.12 ft at 6:45PM Jul 22, 2014Observed: 8.12 ft at 7:00PM Jul 22, 2014Observed: 8.12 ft at 7:15PM Jul 22, 2014Observed: 8.12 ft at 7:30PM Jul 22, 2014Observed: 8.12 ft at 7:45PM Jul 22, 2014Observed: 8.12 ft at 8:00PM Jul 22, 2014Observed: 8.12 ft at 8:15PM Jul 22, 2014Observed: 8.11 ft at 8:30PM Jul 22, 2014Observed: 8.11 ft at 8:45PM Jul 22, 2014Observed: 8.11 ft at 9:00PM Jul 22, 2014Observed: 8.11 ft at 9:15PM Jul 22, 2014Observed: 8.11 ft at 9:30PM Jul 22, 2014Observed: 8.08 ft at 9:45PM Jul 22, 2014Observed: 8.08 ft at 10:00PM Jul 22, 2014Observed: 8.08 ft at 10:15PM Jul 22, 2014Observed: 8.07 ft at 10:30PM Jul 22, 2014Observed: 8.07 ft at 10:45PM Jul 22, 2014Observed: 8.07 ft at 11:00PM Jul 22, 2014Observed: 8.07 ft at 11:15PM Jul 22, 2014Observed: 8.07 ft at 11:30PM Jul 22, 2014Observed: 8.07 ft at 11:45PM Jul 22, 2014Observed: 8.06 ft at 12:00AM Jul 23, 2014Observed: 8.06 ft at 12:15AM Jul 23, 2014Observed: 8.06 ft at 12:30AM Jul 23, 2014Observed: 8.06 ft at 12:45AM Jul 23, 2014Observed: 8.06 ft at 1:00AM Jul 23, 2014Observed: 8.06 ft at 1:15AM Jul 23, 2014Observed: 8.05 ft at 1:30AM Jul 23, 2014Observed: 8.05 ft at 1:45AM Jul 23, 2014Observed: 8.05 ft at 2:00AM Jul 23, 2014Observed: 8.04 ft at 2:15AM Jul 23, 2014Observed: 8.04 ft at 2:30AM Jul 23, 2014Observed: 8.04 ft at 2:45AM Jul 23, 2014Observed: 8.04 ft at 3:00AM Jul 23, 2014Observed: 8.04 ft at 3:15AM Jul 23, 2014Observed: 8.04 ft at 3:30AM Jul 23, 2014Observed: 8.03 ft at 3:45AM Jul 23, 2014Observed: 8.04 ft at 4:00AM Jul 23, 2014Observed: 8.03 ft at 4:15AM Jul 23, 2014Observed: 8.03 ft at 4:30AM Jul 23, 2014Observed: 8.02 ft at 4:45AM Jul 23, 2014Observed: 8.03 ft at 5:00AM Jul 23, 2014Observed: 8.02 ft at 5:15AM Jul 23, 2014Observed: 8.02 ft at 5:30AM Jul 23, 2014Observed: 8.02 ft at 5:45AM Jul 23, 2014Observed: 8.01 ft at 6:00AM Jul 23, 2014Observed: 8.01 ft at 6:15AM Jul 23, 2014Observed: 8.01 ft at 6:30AM Jul 23, 2014Observed: 8.01 ft at 6:45AM Jul 23, 2014Observed: 8.01 ft at 7:00AM Jul 23, 2014Observed: 8 ft at 7:15AM Jul 23, 2014Observed: 8 ft at 7:30AM Jul 23, 2014Observed: 8 ft at 7:45AM Jul 23, 2014Observed: 8 ft at 8:00AM Jul 23, 2014Observed: 8 ft at 8:15AM Jul 23, 2014Observed: 8 ft at 8:30AM Jul 23, 2014Observed: 8 ft at 8:45AM Jul 23, 2014Observed: 8 ft at 9:00AM Jul 23, 2014Observed: 7.99 ft at 9:15AM Jul 23, 2014Observed: 7.99 ft at 9:30AM Jul 23, 2014Observed: 7.99 ft at 9:31AM Jul 23, 2014Observed: 7.99 ft at 9:45AM Jul 23, 2014Observed: 7.99 ft at 9:46AM Jul 23, 2014Observed: 7.99 ft at 10:00AM Jul 23, 2014Observed: 7.99 ft at 10:01AM Jul 23, 2014Observed: 7.99 ft at 10:15AM Jul 23, 2014Observed: 7.99 ft at 10:30AM Jul 23, 2014Observed: 7.99 ft at 10:45AM Jul 23, 2014Observed: 7.99 ft at 11:00AM Jul 23, 2014Observed: 7.98 ft at 11:15AM Jul 23, 2014Observed: 7.98 ft at 11:30AM Jul 23, 2014Observed: 7.98 ft at 11:45AM Jul 23, 2014Observed: 7.98 ft at 12:00PM Jul 23, 2014Observed: 7.98 ft at 12:15PM Jul 23, 2014Observed: 7.98 ft at 12:30PM Jul 23, 2014Observed: 7.98 ft at 12:45PM Jul 23, 2014Observed: 7.98 ft at 1:00PM Jul 23, 2014Observed: 7.97 ft at 1:15PM Jul 23, 2014Observed: 7.97 ft at 1:30PM Jul 23, 2014Observed: 7.97 ft at 1:45PM Jul 23, 2014Observed: 7.97 ft at 2:00PM Jul 23, 2014Observed: 7.96 ft at 2:15PM Jul 23, 2014Observed: 7.96 ft at 2:30PM Jul 23, 2014Observed: 7.96 ft at 2:45PM Jul 23, 2014Observed: 7.96 ft at 3:00PM Jul 23, 2014Observed: 7.96 ft at 3:15PM Jul 23, 2014Observed: 7.96 ft at 3:30PM Jul 23, 2014Observed: 7.96 ft at 3:45PM Jul 23, 2014Observed: 7.95 ft at 4:00PM Jul 23, 2014Observed: 7.95 ft at 4:15PM Jul 23, 2014Observed: 7.95 ft at 4:30PM Jul 23, 2014Observed: 7.94 ft at 4:45PM Jul 23, 2014Observed: 7.94 ft at 5:00PM Jul 23, 2014Observed: 7.94 ft at 5:15PM Jul 23, 2014Observed: 7.94 ft at 5:30PM Jul 23, 2014Observed: 7.93 ft at 5:45PM Jul 23, 2014Observed: 7.94 ft at 6:00PM Jul 23, 2014Observed: 7.93 ft at 6:15PM Jul 23, 2014Observed: 7.93 ft at 6:30PM Jul 23, 2014Observed: 7.93 ft at 6:45PM Jul 23, 2014Observed: 7.93 ft at 7:00PM Jul 23, 2014Observed: 7.93 ft at 7:15PM Jul 23, 2014Observed: 7.92 ft at 7:30PM Jul 23, 2014Observed: 7.92 ft at 7:45PM Jul 23, 2014Observed: 7.92 ft at 8:00PM Jul 23, 2014Observed: 7.92 ft at 8:15PM Jul 23, 2014Observed: 7.91 ft at 8:30PM Jul 23, 2014Observed: 7.91 ft at 8:45PM Jul 23, 2014Observed: 7.91 ft at 9:00PM Jul 23, 2014Observed: 7.91 ft at 9:15PM Jul 23, 2014Observed: 7.91 ft at 9:30PM Jul 23, 2014Observed: 7.9 ft at 9:45PM Jul 23, 2014Observed: 7.9 ft at 10:00PM Jul 23, 2014Observed: 7.9 ft at 10:15PM Jul 23, 2014Observed: 7.9 ft at 10:30PM Jul 23, 2014Observed: 7.89 ft at 10:45PM Jul 23, 2014Observed: 7.89 ft at 11:00PM Jul 23, 2014Observed: 7.9 ft at 11:15PM Jul 23, 2014Observed: 7.89 ft at 11:30PM Jul 23, 2014Observed: 7.89 ft at 11:45PM Jul 23, 2014Observed: 7.89 ft at 12:00AM Jul 24, 2014Observed: 7.89 ft at 12:15AM Jul 24, 2014Observed: 7.89 ft at 12:30AM Jul 24, 2014Observed: 7.88 ft at 12:45AM Jul 24, 2014Observed: 7.88 ft at 1:00AM Jul 24, 2014Observed: 7.88 ft at 1:15AM Jul 24, 2014Observed: 7.87 ft at 1:30AM Jul 24, 2014Observed: 7.88 ft at 1:45AM Jul 24, 2014Observed: 7.87 ft at 2:00AM Jul 24, 2014Observed: 7.87 ft at 2:15AM Jul 24, 2014Observed: 7.87 ft at 2:30AM Jul 24, 2014Observed: 7.86 ft at 2:45AM Jul 24, 2014Observed: 7.86 ft at 3:00AM Jul 24, 2014Observed: 7.86 ft at 3:15AM Jul 24, 2014Observed: 7.86 ft at 3:30AM Jul 24, 2014Observed: 7.86 ft at 3:45AM Jul 24, 2014Observed: 7.85 ft at 4:00AM Jul 24, 2014Observed: 7.85 ft at 4:15AM Jul 24, 2014Observed: 7.85 ft at 4:30AM Jul 24, 2014Observed: 7.85 ft at 4:45AM Jul 24, 2014Observed: 7.85 ft at 5:00AM Jul 24, 2014Observed: 7.85 ft at 5:15AM Jul 24, 2014Observed: 7.84 ft at 5:30AM Jul 24, 2014Observed: 7.84 ft at 5:45AM Jul 24, 2014Observed: 7.84 ft at 6:00AM Jul 24, 2014Observed: 7.83 ft at 6:15AM Jul 24, 2014Observed: 7.83 ft at 6:30AM Jul 24, 2014Observed: 7.83 ft at 6:45AM Jul 24, 2014Observed: 7.83 ft at 7:00AM Jul 24, 2014Observed: 7.83 ft at 7:15AM Jul 24, 2014Observed: 7.82 ft at 7:30AM Jul 24, 2014Observed: 7.82 ft at 7:45AM Jul 24, 2014Observed: 7.83 ft at 8:00AM Jul 24, 2014Observed: 7.82 ft at 8:15AM Jul 24, 2014Observed: 7.81 ft at 8:30AM Jul 24, 2014Observed: 7.82 ft at 8:45AM Jul 24, 2014Observed: 7.82 ft at 9:00AM Jul 24, 2014Observed: 7.81 ft at 9:15AM Jul 24, 2014Observed: 7.82 ft at 9:30AM Jul 24, 2014Observed: 7.81 ft at 9:45AM Jul 24, 2014Observed: 7.81 ft at 9:46AM Jul 24, 2014Observed: 7.81 ft at 10:00AM Jul 24, 2014Observed: 7.81 ft at 10:01AM Jul 24, 2014Observed: 7.82 ft at 10:15AM Jul 24, 2014Observed: 7.82 ft at 10:16AM Jul 24, 2014Observed: 7.8 ft at 10:30AM Jul 24, 2014Observed: 7.8 ft at 10:45AM Jul 24, 2014Observed: 7.81 ft at 11:00AM Jul 24, 2014Observed: 7.8 ft at 11:15AM Jul 24, 2014Observed: 7.8 ft at 11:30AM Jul 24, 2014Observed: 7.8 ft at 11:45AM Jul 24, 2014Observed: 7.8 ft at 12:00PM Jul 24, 2014Observed: 7.8 ft at 12:15PM Jul 24, 2014Observed: 7.79 ft at 12:30PM Jul 24, 2014Observed: 7.79 ft at 12:45PM Jul 24, 2014Observed: 7.78 ft at 1:00PM Jul 24, 2014Observed: 7.78 ft at 1:15PM Jul 24, 2014Observed: 7.78 ft at 1:30PM Jul 24, 2014Observed: 7.78 ft at 1:45PM Jul 24, 2014Observed: 7.77 ft at 2:00PM Jul 24, 2014Observed: 7.77 ft at 2:15PM Jul 24, 2014Observed: 7.77 ft at 2:30PM Jul 24, 2014Observed: 7.78 ft at 2:45PM Jul 24, 2014Observed: 7.77 ft at 3:00PM Jul 24, 2014Observed: 7.78 ft at 3:15PM Jul 24, 2014Observed: 7.77 ft at 3:30PM Jul 24, 2014Observed: 7.76 ft at 3:45PM Jul 24, 2014Observed: 7.76 ft at 4:00PM Jul 24, 2014Observed: 7.76 ft at 4:15PM Jul 24, 2014Observed: 7.75 ft at 4:30PM Jul 24, 2014Observed: 7.75 ft at 4:45PM Jul 24, 2014Observed: 7.75 ft at 5:00PM Jul 24, 2014Observed: 7.75 ft at 5:15PM Jul 24, 2014Observed: 7.75 ft at 5:30PM Jul 24, 2014Observed: 7.76 ft at 5:45PM Jul 24, 2014Observed: 7.75 ft at 6:00PM Jul 24, 2014Observed: 7.75 ft at 6:15PM Jul 24, 2014USGS--Water Resources of the United StatesAKRI4(plotting HGIRG) Graph Created (7:03PM Jul 24, 2014)ObservedLatest observed value: 7.75 ft at 6:15 PM CDT 24-Jul-2014. 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 - at Sioux City
Flood Categories (in feet)
Major Flood Stage:20
Moderate Flood Stage:18
Flood Stage:16
Action Stage:14

Historical Crests
(1) 25.59 ft on 06/18/2014 (P)
(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
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
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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: 16-Jul-2014 2:07 AM
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