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Hydrograph River at a Glance Download
Big Sioux River at Akron Stage (ft)Flow (cfs)Observed: 12.41 ft at 5:30PM Aug 18, 2019Observed: 12.4 ft at 5:45PM Aug 18, 2019Observed: 12.4 ft at 6:00PM Aug 18, 2019Observed: 12.4 ft at 6:15PM Aug 18, 2019Observed: 12.39 ft at 6:30PM Aug 18, 2019Observed: 12.39 ft at 6:45PM Aug 18, 2019Observed: 12.4 ft at 7:00PM Aug 18, 2019Observed: 12.4 ft at 7:01PM Aug 18, 2019Observed: 12.39 ft at 7:15PM Aug 18, 2019Observed: 12.39 ft at 7:16PM Aug 18, 2019Observed: 12.39 ft at 7:30PM Aug 18, 2019Observed: 12.39 ft at 7:31PM Aug 18, 2019Observed: 12.38 ft at 7:45PM Aug 18, 2019Observed: 12.37 ft at 8:00PM Aug 18, 2019Observed: 12.37 ft at 8:15PM Aug 18, 2019Observed: 12.36 ft at 8:30PM Aug 18, 2019Observed: 12.36 ft at 8:45PM Aug 18, 2019Observed: 12.36 ft at 9:00PM Aug 18, 2019Observed: 12.35 ft at 9:15PM Aug 18, 2019Observed: 12.36 ft at 9:30PM Aug 18, 2019Observed: 12.35 ft at 9:45PM Aug 18, 2019Observed: 12.35 ft at 10:00PM Aug 18, 2019Observed: 12.34 ft at 10:15PM Aug 18, 2019Observed: 12.34 ft at 10:30PM Aug 18, 2019Observed: 12.34 ft at 10:45PM Aug 18, 2019Observed: 12.35 ft at 11:00PM Aug 18, 2019Observed: 12.35 ft at 11:15PM Aug 18, 2019Observed: 12.35 ft at 11:30PM Aug 18, 2019Observed: 12.34 ft at 11:45PM Aug 18, 2019Observed: 12.34 ft at 12:00AM Aug 19, 2019Observed: 12.35 ft at 12:15AM Aug 19, 2019Observed: 12.35 ft at 12:30AM Aug 19, 2019Observed: 12.34 ft at 12:45AM Aug 19, 2019Observed: 12.35 ft at 1:00AM Aug 19, 2019Observed: 12.34 ft at 1:15AM Aug 19, 2019Observed: 12.34 ft at 1:30AM Aug 19, 2019Observed: 12.34 ft at 1:45AM Aug 19, 2019Observed: 12.34 ft at 2:00AM Aug 19, 2019Observed: 12.34 ft at 2:15AM Aug 19, 2019Observed: 12.34 ft at 2:30AM Aug 19, 2019Observed: 12.34 ft at 2:45AM Aug 19, 2019Observed: 12.33 ft at 3:00AM Aug 19, 2019Observed: 12.33 ft at 3:01AM Aug 19, 2019Observed: 12.33 ft at 3:15AM Aug 19, 2019Observed: 12.33 ft at 3:16AM Aug 19, 2019Observed: 12.32 ft at 3:30AM Aug 19, 2019Observed: 12.32 ft at 3:31AM Aug 19, 2019Observed: 12.33 ft at 3:45AM Aug 19, 2019Observed: 12.33 ft at 4:00AM Aug 19, 2019Observed: 12.33 ft at 4:15AM Aug 19, 2019Observed: 12.33 ft at 4:30AM Aug 19, 2019Observed: 12.33 ft at 4:45AM Aug 19, 2019Observed: 12.33 ft at 5:00AM Aug 19, 2019Observed: 12.33 ft at 5:15AM Aug 19, 2019Observed: 12.33 ft at 5:30AM Aug 19, 2019Observed: 12.34 ft at 5:45AM Aug 19, 2019Observed: 12.33 ft at 6:00AM Aug 19, 2019Observed: 12.34 ft at 6:15AM Aug 19, 2019Observed: 12.34 ft at 6:30AM Aug 19, 2019Observed: 12.34 ft at 6:45AM Aug 19, 2019Observed: 12.34 ft at 7:00AM Aug 19, 2019Observed: 12.34 ft at 7:15AM Aug 19, 2019Observed: 12.35 ft at 7:30AM Aug 19, 2019Observed: 12.35 ft at 7:45AM Aug 19, 2019Observed: 12.35 ft at 8:00AM Aug 19, 2019Observed: 12.36 ft at 8:15AM Aug 19, 2019Observed: 12.36 ft at 8:30AM Aug 19, 2019Observed: 12.36 ft at 8:45AM Aug 19, 2019Observed: 12.36 ft at 9:00AM Aug 19, 2019Observed: 12.37 ft at 9:15AM Aug 19, 2019Observed: 12.37 ft at 9:30AM Aug 19, 2019Observed: 12.35 ft at 9:45AM Aug 19, 2019Observed: 12.36 ft at 10:00AM Aug 19, 2019Observed: 12.36 ft at 10:15AM Aug 19, 2019Observed: 12.36 ft at 10:30AM Aug 19, 2019Observed: 12.37 ft at 10:45AM Aug 19, 2019Observed: 12.36 ft at 11:00AM Aug 19, 2019Observed: 12.36 ft at 11:01AM Aug 19, 2019Observed: 12.38 ft at 11:15AM Aug 19, 2019Observed: 12.38 ft at 11:16AM Aug 19, 2019Observed: 12.38 ft at 11:30AM Aug 19, 2019Observed: 12.38 ft at 11:31AM Aug 19, 2019Observed: 12.38 ft at 11:45AM Aug 19, 2019Observed: 12.4 ft at 12:00PM Aug 19, 2019Observed: 12.39 ft at 12:15PM Aug 19, 2019Observed: 12.42 ft at 12:30PM Aug 19, 2019Observed: 12.39 ft at 12:45PM Aug 19, 2019Observed: 12.43 ft at 1:00PM Aug 19, 2019Observed: 12.45 ft at 1:15PM Aug 19, 2019Observed: 12.42 ft at 1:30PM Aug 19, 2019Observed: 12.42 ft at 1:45PM Aug 19, 2019Observed: 12.45 ft at 2:00PM Aug 19, 2019Observed: 12.45 ft at 2:15PM Aug 19, 2019Observed: 12.44 ft at 2:30PM Aug 19, 2019Observed: 12.44 ft at 2:45PM Aug 19, 2019Observed: 12.45 ft at 3:00PM Aug 19, 2019Observed: 12.48 ft at 3:15PM Aug 19, 2019Observed: 12.46 ft at 3:30PM Aug 19, 2019Observed: 12.48 ft at 3:45PM Aug 19, 2019Observed: 12.47 ft at 4:00PM Aug 19, 2019Observed: 12.45 ft at 4:15PM Aug 19, 2019Observed: 12.46 ft at 4:30PM Aug 19, 2019Observed: 12.45 ft at 4:45PM Aug 19, 2019Observed: 12.46 ft at 5:00PM Aug 19, 2019Observed: 12.46 ft at 5:15PM Aug 19, 2019Observed: 12.5 ft at 5:30PM Aug 19, 2019Observed: 12.49 ft at 5:45PM Aug 19, 2019Observed: 12.5 ft at 6:00PM Aug 19, 2019Observed: 12.5 ft at 6:15PM Aug 19, 2019Observed: 12.5 ft at 6:30PM Aug 19, 2019Observed: 12.5 ft at 6:45PM Aug 19, 2019Observed: 12.5 ft at 7:00PM Aug 19, 2019Observed: 12.5 ft at 7:01PM Aug 19, 2019Observed: 12.51 ft at 7:15PM Aug 19, 2019Observed: 12.51 ft at 7:16PM Aug 19, 2019Observed: 12.5 ft at 7:30PM Aug 19, 2019Observed: 12.5 ft at 7:31PM Aug 19, 2019Observed: 12.5 ft at 7:45PM Aug 19, 2019Observed: 12.5 ft at 8:00PM Aug 19, 2019Observed: 12.5 ft at 8:15PM Aug 19, 2019Observed: 12.5 ft at 8:30PM Aug 19, 2019Observed: 12.49 ft at 8:45PM Aug 19, 2019Observed: 12.49 ft at 9:00PM Aug 19, 2019Observed: 12.49 ft at 9:15PM Aug 19, 2019Observed: 12.49 ft at 9:30PM Aug 19, 2019Observed: 12.49 ft at 9:45PM Aug 19, 2019Observed: 12.49 ft at 10:00PM Aug 19, 2019Observed: 12.49 ft at 10:15PM Aug 19, 2019Observed: 12.49 ft at 10:30PM Aug 19, 2019Observed: 12.48 ft at 10:45PM Aug 19, 2019Observed: 12.48 ft at 11:00PM Aug 19, 2019Observed: 12.48 ft at 11:15PM Aug 19, 2019Observed: 12.47 ft at 11:30PM Aug 19, 2019Observed: 12.46 ft at 11:45PM Aug 19, 2019Observed: 12.45 ft at 12:00AM Aug 20, 2019Observed: 12.42 ft at 12:15AM Aug 20, 2019Observed: 12.43 ft at 12:30AM Aug 20, 2019Observed: 12.41 ft at 12:45AM Aug 20, 2019Observed: 12.42 ft at 1:00AM Aug 20, 2019Observed: 12.42 ft at 1:15AM Aug 20, 2019Observed: 12.44 ft at 1:30AM Aug 20, 2019Observed: 12.42 ft at 1:45AM Aug 20, 2019Observed: 12.42 ft at 2:00AM Aug 20, 2019Observed: 12.42 ft at 2:15AM Aug 20, 2019Observed: 12.43 ft at 2:30AM Aug 20, 2019Observed: 12.42 ft at 2:45AM Aug 20, 2019Observed: 12.42 ft at 3:00AM Aug 20, 2019Observed: 12.41 ft at 3:15AM Aug 20, 2019Observed: 12.36 ft at 3:30AM Aug 20, 2019Observed: 12.38 ft at 3:45AM Aug 20, 2019Observed: 12.37 ft at 4:00AM Aug 20, 2019Observed: 12.36 ft at 4:15AM Aug 20, 2019Observed: 12.38 ft at 4:30AM Aug 20, 2019Observed: 12.37 ft at 4:45AM Aug 20, 2019Observed: 12.35 ft at 5:00AM Aug 20, 2019Observed: 12.36 ft at 5:15AM Aug 20, 2019Observed: 12.37 ft at 5:30AM Aug 20, 2019Observed: 12.38 ft at 5:45AM Aug 20, 2019Observed: 12.36 ft at 6:00AM Aug 20, 2019Observed: 12.37 ft at 6:15AM Aug 20, 2019Observed: 12.37 ft at 6:30AM Aug 20, 2019Observed: 12.36 ft at 6:45AM Aug 20, 2019Observed: 12.36 ft at 7:00AM Aug 20, 2019Observed: 12.35 ft at 7:15AM Aug 20, 2019Observed: 12.34 ft at 7:30AM Aug 20, 2019Observed: 12.35 ft at 7:45AM Aug 20, 2019Observed: 12.35 ft at 8:00AM Aug 20, 2019Observed: 12.34 ft at 8:15AM Aug 20, 2019Observed: 12.34 ft at 8:30AM Aug 20, 2019Observed: 12.34 ft at 8:45AM Aug 20, 2019Observed: 12.33 ft at 9:00AM Aug 20, 2019Observed: 12.33 ft at 9:15AM Aug 20, 2019Observed: 12.33 ft at 9:30AM Aug 20, 2019Observed: 12.31 ft at 9:45AM Aug 20, 2019Observed: 12.32 ft at 10:00AM Aug 20, 2019Observed: 12.32 ft at 10:15AM Aug 20, 2019Observed: 12.32 ft at 10:30AM Aug 20, 2019Observed: 12.31 ft at 10:45AM Aug 20, 2019Observed: 12.31 ft at 11:00AM Aug 20, 2019Observed: 12.28 ft at 11:15AM Aug 20, 2019Observed: 12.31 ft at 11:30AM Aug 20, 2019Observed: 12.31 ft at 11:45AM Aug 20, 2019Observed: 12.31 ft at 12:00PM Aug 20, 2019Observed: 12.31 ft at 12:15PM Aug 20, 2019Observed: 12.3 ft at 12:30PM Aug 20, 2019Observed: 12.3 ft at 12:45PM Aug 20, 2019Observed: 12.29 ft at 1:00PM Aug 20, 2019Observed: 12.3 ft at 1:15PM Aug 20, 2019Observed: 12.29 ft at 1:30PM Aug 20, 2019Observed: 12.29 ft at 1:45PM Aug 20, 2019Observed: 12.29 ft at 2:00PM Aug 20, 2019Observed: 12.29 ft at 2:15PM Aug 20, 2019Observed: 12.29 ft at 2:30PM Aug 20, 2019Observed: 12.29 ft at 2:45PM Aug 20, 2019Observed: 12.29 ft at 3:00PM Aug 20, 2019Observed: 12.29 ft at 3:15PM Aug 20, 2019Observed: 12.26 ft at 3:30PM Aug 20, 2019Observed: 12.28 ft at 3:45PM Aug 20, 2019Observed: 12.28 ft at 4:00PM Aug 20, 2019Observed: 12.28 ft at 4:15PM Aug 20, 2019Observed: 12.28 ft at 4:30PM Aug 20, 2019Observed: 12.26 ft at 4:45PM Aug 20, 2019Observed: 12.28 ft at 5:00PM Aug 20, 2019Observed: 12.28 ft at 5:15PM Aug 20, 2019Observed: 12.28 ft at 5:30PM Aug 20, 2019Observed: 12.28 ft at 5:45PM Aug 20, 2019Observed: 12.28 ft at 6:00PM Aug 20, 2019Observed: 12.27 ft at 6:15PM Aug 20, 2019Observed: 12.28 ft at 6:30PM Aug 20, 2019Observed: 12.28 ft at 6:45PM Aug 20, 2019Observed: 12.28 ft at 7:00PM Aug 20, 2019Observed: 12.28 ft at 7:15PM Aug 20, 2019Observed: 12.28 ft at 7:16PM Aug 20, 2019Observed: 12.28 ft at 7:30PM Aug 20, 2019Observed: 12.28 ft at 7:31PM Aug 20, 2019Observed: 12.28 ft at 7:45PM Aug 20, 2019Observed: 12.28 ft at 7:46PM Aug 20, 2019Observed: 12.29 ft at 8:00PM Aug 20, 2019Observed: 12.28 ft at 8:15PM Aug 20, 2019Observed: 12.26 ft at 8:30PM Aug 20, 2019Observed: 12.28 ft at 8:45PM Aug 20, 2019Observed: 12.28 ft at 9:00PM Aug 20, 2019Observed: 12.28 ft at 9:15PM Aug 20, 2019Observed: 12.28 ft at 9:30PM Aug 20, 2019Observed: 12.29 ft at 9:45PM Aug 20, 2019Observed: 12.29 ft at 10:00PM Aug 20, 2019Observed: 12.29 ft at 10:15PM Aug 20, 2019Observed: 12.27 ft at 10:30PM Aug 20, 2019Observed: 12.26 ft at 10:45PM Aug 20, 2019Observed: 12.27 ft at 11:00PM Aug 20, 2019Observed: 12.28 ft at 11:15PM Aug 20, 2019Observed: 12.27 ft at 11:30PM Aug 20, 2019Observed: 12.29 ft at 11:45PM Aug 20, 2019Observed: 12.28 ft at 12:00AM Aug 21, 2019Observed: 12.27 ft at 12:15AM Aug 21, 2019Observed: 12.27 ft at 12:30AM Aug 21, 2019Observed: 12.27 ft at 12:45AM Aug 21, 2019Observed: 12.27 ft at 1:00AM Aug 21, 2019Observed: 12.29 ft at 1:15AM Aug 21, 2019Observed: 12.3 ft at 1:30AM Aug 21, 2019Observed: 12.28 ft at 1:45AM Aug 21, 2019Observed: 12.31 ft at 2:00AM Aug 21, 2019Observed: 12.31 ft at 2:15AM Aug 21, 2019Observed: 12.32 ft at 2:30AM Aug 21, 2019Observed: 12.32 ft at 2:45AM Aug 21, 2019Observed: 12.32 ft at 3:00AM Aug 21, 2019Observed: 12.32 ft at 3:15AM Aug 21, 2019Observed: 12.32 ft at 3:16AM Aug 21, 2019Observed: 12.32 ft at 3:30AM Aug 21, 2019Observed: 12.32 ft at 3:31AM Aug 21, 2019Observed: 12.32 ft at 3:45AM Aug 21, 2019Observed: 12.32 ft at 3:46AM Aug 21, 2019Observed: 12.32 ft at 4:00AM Aug 21, 2019Observed: 12.33 ft at 4:15AM Aug 21, 2019Observed: 12.34 ft at 4:30AM Aug 21, 2019Observed: 12.34 ft at 4:45AM Aug 21, 2019Observed: 12.34 ft at 5:00AM Aug 21, 2019Observed: 12.35 ft at 5:15AM Aug 21, 2019Observed: 12.34 ft at 5:30AM Aug 21, 2019Observed: 12.35 ft at 5:45AM Aug 21, 2019Observed: 12.36 ft at 6:00AM Aug 21, 2019Observed: 12.35 ft at 6:15AM Aug 21, 2019Observed: 12.36 ft at 6:30AM Aug 21, 2019Observed: 12.37 ft at 6:45AM Aug 21, 2019Observed: 12.37 ft at 7:00AM Aug 21, 2019Observed: 12.37 ft at 7:15AM Aug 21, 2019Observed: 12.37 ft at 7:30AM Aug 21, 2019Observed: 12.38 ft at 7:45AM Aug 21, 2019Observed: 12.39 ft at 8:00AM Aug 21, 2019Observed: 12.39 ft at 8:15AM Aug 21, 2019Observed: 12.39 ft at 8:30AM Aug 21, 2019Observed: 12.4 ft at 8:45AM Aug 21, 2019Observed: 12.39 ft at 9:00AM Aug 21, 2019Observed: 12.39 ft at 9:15AM Aug 21, 2019Observed: 12.4 ft at 9:30AM Aug 21, 2019Observed: 12.39 ft at 9:45AM Aug 21, 2019Observed: 12.41 ft at 10:00AM Aug 21, 2019Observed: 12.42 ft at 10:15AM Aug 21, 2019Observed: 12.41 ft at 10:30AM Aug 21, 2019Observed: 12.42 ft at 10:45AM Aug 21, 2019Observed: 12.42 ft at 11:00AM Aug 21, 2019Observed: 12.44 ft at 11:15AM Aug 21, 2019Observed: 12.45 ft at 11:30AM Aug 21, 2019Observed: 12.44 ft at 11:45AM Aug 21, 2019Observed: 12.45 ft at 12:00PM Aug 21, 2019Observed: 12.46 ft at 12:15PM Aug 21, 2019Observed: 12.46 ft at 12:30PM Aug 21, 2019Observed: 12.47 ft at 12:45PM Aug 21, 2019Observed: 12.47 ft at 1:00PM Aug 21, 2019Observed: 12.48 ft at 1:15PM Aug 21, 2019Observed: 12.47 ft at 1:30PM Aug 21, 2019Observed: 12.48 ft at 1:45PM Aug 21, 2019Observed: 12.48 ft at 2:00PM Aug 21, 2019Observed: 12.48 ft at 2:15PM Aug 21, 2019Observed: 12.49 ft at 2:30PM Aug 21, 2019Observed: 12.49 ft at 2:45PM Aug 21, 2019Observed: 12.5 ft at 3:00PM Aug 21, 2019Observed: 12.5 ft at 3:15PM Aug 21, 2019Observed: 12.51 ft at 3:30PM Aug 21, 2019Observed: 12.51 ft at 3:45PM Aug 21, 2019Observed: 12.51 ft at 4:00PM Aug 21, 2019Observed: 12.51 ft at 4:15PM Aug 21, 2019Observed: 12.52 ft at 4:30PM Aug 21, 2019Observed: 12.52 ft at 4:45PM Aug 21, 2019Observed: 12.53 ft at 5:00PM Aug 21, 2019Observed: 12.52 ft at 5:15PM Aug 21, 2019Observed: 12.54 ft at 5:30PM Aug 21, 2019Observed: 12.54 ft at 5:45PM Aug 21, 2019Observed: 12.54 ft at 6:00PM Aug 21, 2019Observed: 12.54 ft at 6:15PM Aug 21, 2019Observed: 12.55 ft at 6:30PM Aug 21, 2019Observed: 12.56 ft at 6:45PM Aug 21, 2019Observed: 12.56 ft at 7:00PM Aug 21, 2019Observed: 12.56 ft at 7:15PM Aug 21, 2019Observed: 12.57 ft at 7:30PM Aug 21, 2019Observed: 12.57 ft at 7:45PM Aug 21, 2019Observed: 12.58 ft at 8:00PM Aug 21, 2019Observed: 12.58 ft at 8:15PM Aug 21, 2019Observed: 12.59 ft at 8:30PM Aug 21, 2019Observed: 12.59 ft at 8:45PM Aug 21, 2019Observed: 12.59 ft at 9:00PM Aug 21, 2019Observed: 12.6 ft at 9:15PM Aug 21, 2019Observed: 12.6 ft at 9:30PM Aug 21, 2019Observed: 12.61 ft at 9:45PM Aug 21, 2019Observed: 12.61 ft at 10:00PM Aug 21, 2019Observed: 12.62 ft at 10:15PM Aug 21, 2019Observed: 12.62 ft at 10:30PM Aug 21, 2019Observed: 12.62 ft at 10:45PM Aug 21, 2019Observed: 12.63 ft at 11:00PM Aug 21, 2019Observed: 12.64 ft at 11:15PM Aug 21, 2019Observed: 12.64 ft at 11:30PM Aug 21, 2019Observed: 12.64 ft at 11:45PM Aug 21, 2019Observed: 12.64 ft at 12:00AM Aug 22, 2019Observed: 12.64 ft at 12:15AM Aug 22, 2019Observed: 12.65 ft at 12:30AM Aug 22, 2019Observed: 12.65 ft at 12:45AM Aug 22, 2019Observed: 12.66 ft at 1:00AM Aug 22, 2019Observed: 12.66 ft at 1:15AM Aug 22, 2019Observed: 12.66 ft at 1:30AM Aug 22, 2019Observed: 12.67 ft at 1:45AM Aug 22, 2019Observed: 12.67 ft at 2:00AM Aug 22, 2019Observed: 12.68 ft at 2:15AM Aug 22, 2019Observed: 12.68 ft at 2:30AM Aug 22, 2019Observed: 12.69 ft at 2:45AM Aug 22, 2019Observed: 12.7 ft at 3:00AM Aug 22, 2019Observed: 12.7 ft at 3:15AM Aug 22, 2019Observed: 12.7 ft at 3:16AM Aug 22, 2019Observed: 12.7 ft at 3:30AM Aug 22, 2019Observed: 12.7 ft at 3:31AM Aug 22, 2019Observed: 12.7 ft at 3:45AM Aug 22, 2019Observed: 12.7 ft at 3:46AM Aug 22, 2019Observed: 12.7 ft at 4:00AM Aug 22, 2019Observed: 12.71 ft at 4:15AM Aug 22, 2019Observed: 12.72 ft at 4:30AM Aug 22, 2019Observed: 12.72 ft at 4:45AM Aug 22, 2019Observed: 12.72 ft at 5:00AM Aug 22, 2019Observed: 12.73 ft at 5:15AM Aug 22, 2019Observed: 12.73 ft at 5:30AM Aug 22, 2019Observed: 12.73 ft at 5:45AM Aug 22, 2019Observed: 12.74 ft at 6:00AM Aug 22, 2019Observed: 12.74 ft at 6:15AM Aug 22, 2019Observed: 12.74 ft at 6:30AM Aug 22, 2019Observed: 12.74 ft at 6:45AM Aug 22, 2019Observed: 12.75 ft at 7:00AM Aug 22, 2019Observed: 12.75 ft at 7:15AM Aug 22, 2019Observed: 12.75 ft at 7:30AM Aug 22, 2019Observed: 12.74 ft at 7:45AM Aug 22, 2019Observed: 12.76 ft at 8:00AM Aug 22, 2019Observed: 12.76 ft at 8:15AM Aug 22, 2019Observed: 12.76 ft at 8:30AM Aug 22, 2019Observed: 12.77 ft at 8:45AM Aug 22, 2019Observed: 12.77 ft at 9:00AM Aug 22, 2019Observed: 12.77 ft at 9:15AM Aug 22, 2019Observed: 12.78 ft at 9:30AM Aug 22, 2019Observed: 12.76 ft at 9:45AM Aug 22, 2019Observed: 12.79 ft at 10:00AM Aug 22, 2019Observed: 12.77 ft at 10:15AM Aug 22, 2019Observed: 12.78 ft at 10:30AM Aug 22, 2019Observed: 12.78 ft at 10:45AM Aug 22, 2019Observed: 12.8 ft at 11:00AM Aug 22, 2019Observed: 12.8 ft at 11:15AM Aug 22, 2019Observed: 12.8 ft at 11:16AM Aug 22, 2019Observed: 12.8 ft at 11:30AM Aug 22, 2019Observed: 12.8 ft at 11:31AM Aug 22, 2019Observed: 12.8 ft at 11:45AM Aug 22, 2019Observed: 12.8 ft at 11:46AM Aug 22, 2019Observed: 12.81 ft at 12:00PM Aug 22, 2019Observed: 12.82 ft at 12:15PM Aug 22, 2019Observed: 12.82 ft at 12:30PM Aug 22, 2019Observed: 12.81 ft at 12:45PM Aug 22, 2019Observed: 12.82 ft at 1:00PM Aug 22, 2019Observed: 12.82 ft at 1:15PM Aug 22, 2019Observed: 12.83 ft at 1:30PM Aug 22, 2019Observed: 12.8 ft at 1:45PM Aug 22, 2019Observed: 12.83 ft at 2:00PM Aug 22, 2019Observed: 12.84 ft at 2:15PM Aug 22, 2019Observed: 12.84 ft at 2:30PM Aug 22, 2019Observed: 12.81 ft at 2:45PM Aug 22, 2019Observed: 12.83 ft at 3:00PM Aug 22, 2019Observed: 12.81 ft at 3:15PM Aug 22, 2019Observed: 12.82 ft at 3:30PM Aug 22, 2019Observed: 12.84 ft at 3:45PM Aug 22, 2019Observed: 12.83 ft at 4:00PM Aug 22, 2019Observed: 12.83 ft at 4:15PM Aug 22, 2019Observed: 12.86 ft at 4:30PM Aug 22, 2019Observed: 12.86 ft at 4:45PM Aug 22, 2019Observed: 12.86 ft at 5:00PM Aug 22, 2019Observed: 12.87 ft at 5:15PM Aug 22, 2019Observed: 12.87 ft at 5:30PM Aug 22, 2019Observed: 12.88 ft at 5:45PM Aug 22, 2019Observed: 12.88 ft at 6:00PM Aug 22, 2019Observed: 12.86 ft at 6:15PM Aug 22, 2019Observed: 12.87 ft at 6:30PM Aug 22, 2019Observed: 12.88 ft at 6:45PM Aug 22, 2019Observed: 12.89 ft at 7:00PM Aug 22, 2019Observed: 12.89 ft at 7:15PM Aug 22, 2019Observed: 12.89 ft at 7:30PM Aug 22, 2019Observed: 12.9 ft at 7:45PM Aug 22, 2019Observed: 12.89 ft at 8:00PM Aug 22, 2019Observed: 12.9 ft at 8:15PM Aug 22, 2019Observed: 12.9 ft at 8:30PM Aug 22, 2019Observed: 12.91 ft at 8:45PM Aug 22, 2019Observed: 12.9 ft at 9:00PM Aug 22, 2019Observed: 12.89 ft at 9:15PM Aug 22, 2019Observed: 12.92 ft at 9:30PM Aug 22, 2019Observed: 12.92 ft at 9:45PM Aug 22, 2019Observed: 12.92 ft at 10:00PM Aug 22, 2019Observed: 12.92 ft at 10:15PM Aug 22, 2019Observed: 12.93 ft at 10:30PM Aug 22, 2019Observed: 12.94 ft at 10:45PM Aug 22, 2019Observed: 12.93 ft at 11:00PM Aug 22, 2019Observed: 12.94 ft at 11:15PM Aug 22, 2019Observed: 12.94 ft at 11:30PM Aug 22, 2019Observed: 12.95 ft at 11:45PM Aug 22, 2019Observed: 12.94 ft at 12:00AM Aug 23, 2019Observed: 12.95 ft at 12:15AM Aug 23, 2019Observed: 12.95 ft at 12:30AM Aug 23, 2019Observed: 12.96 ft at 12:45AM Aug 23, 2019Observed: 12.96 ft at 1:00AM Aug 23, 2019Observed: 12.96 ft at 1:15AM Aug 23, 2019Observed: 12.97 ft at 1:30AM Aug 23, 2019Observed: 12.97 ft at 1:45AM Aug 23, 2019Observed: 12.97 ft at 2:00AM Aug 23, 2019Observed: 12.97 ft at 2:15AM Aug 23, 2019Observed: 12.97 ft at 2:30AM Aug 23, 2019Observed: 12.98 ft at 2:45AM Aug 23, 2019Observed: 12.99 ft at 3:00AM Aug 23, 2019Observed: 12.98 ft at 3:15AM Aug 23, 2019Observed: 12.98 ft at 3:16AM Aug 23, 2019Observed: 12.99 ft at 3:30AM Aug 23, 2019Observed: 12.99 ft at 3:31AM Aug 23, 2019Observed: 12.99 ft at 3:45AM Aug 23, 2019Observed: 12.99 ft at 3:46AM Aug 23, 2019Observed: 13 ft at 4:00AM Aug 23, 2019Observed: 13 ft at 4:15AM Aug 23, 2019Observed: 13 ft at 4:30AM Aug 23, 2019Observed: 13 ft at 4:45AM Aug 23, 2019Observed: 13 ft at 5:00AM Aug 23, 2019Observed: 13.01 ft at 5:15AM Aug 23, 2019Observed: 13.01 ft at 5:30AM Aug 23, 2019Observed: 13.02 ft at 5:45AM Aug 23, 2019Observed: 13.01 ft at 6:00AM Aug 23, 2019Observed: 13.01 ft at 6:15AM Aug 23, 2019Observed: 13.02 ft at 6:30AM Aug 23, 2019Observed: 13.02 ft at 6:45AM Aug 23, 2019Observed: 13.03 ft at 7:00AM Aug 23, 2019Observed: 13.03 ft at 7:15AM Aug 23, 2019Observed: 13.04 ft at 7:30AM Aug 23, 2019Observed: 13.03 ft at 7:45AM Aug 23, 2019Observed: 13.04 ft at 8:00AM Aug 23, 2019Observed: 13.04 ft at 8:15AM Aug 23, 2019Observed: 13.04 ft at 8:30AM Aug 23, 2019Observed: 13.05 ft at 8:45AM Aug 23, 2019Observed: 13.03 ft at 9:00AM Aug 23, 2019Observed: 13.04 ft at 9:15AM Aug 23, 2019Observed: 13.05 ft at 9:30AM Aug 23, 2019Observed: 13.05 ft at 9:45AM Aug 23, 2019Observed: 13.05 ft at 10:00AM Aug 23, 2019Observed: 13.04 ft at 10:15AM Aug 23, 2019Observed: 13.03 ft at 10:30AM Aug 23, 2019Observed: 13.04 ft at 10:45AM Aug 23, 2019Observed: 13.07 ft at 11:00AM Aug 23, 2019Observed: 13.04 ft at 11:15AM Aug 23, 2019Observed: 13.04 ft at 11:16AM Aug 23, 2019Observed: 13.06 ft at 11:30AM Aug 23, 2019Observed: 13.06 ft at 11:31AM Aug 23, 2019Observed: 13.06 ft at 11:45AM Aug 23, 2019Observed: 13.06 ft at 11:46AM Aug 23, 2019Observed: 13.05 ft at 12:00PM Aug 23, 2019Observed: 13.05 ft at 12:15PM Aug 23, 2019Observed: 13.05 ft at 12:30PM Aug 23, 2019Observed: 13.06 ft at 12:45PM Aug 23, 2019Observed: 13.06 ft at 1:00PM Aug 23, 2019Observed: 13.06 ft at 1:15PM Aug 23, 2019Observed: 13.07 ft at 1:30PM Aug 23, 2019Observed: 13.06 ft at 1:45PM Aug 23, 2019Observed: 13.08 ft at 2:00PM Aug 23, 2019Observed: 13.09 ft at 2:15PM Aug 23, 2019Observed: 13.09 ft at 2:30PM Aug 23, 2019Observed: 13.11 ft at 2:45PM Aug 23, 2019Observed: 13.1 ft at 3:00PM Aug 23, 2019Observed: 13.11 ft at 3:15PM Aug 23, 2019Observed: 13.08 ft at 3:30PM Aug 23, 2019Observed: 13.11 ft at 3:45PM Aug 23, 2019Observed: 13.1 ft at 4:00PM Aug 23, 2019Observed: 13.08 ft at 4:15PM Aug 23, 2019Observed: 13.11 ft at 4:30PM Aug 23, 2019Observed: 13.12 ft at 4:45PM Aug 23, 2019Observed: 13.12 ft at 5:00PM Aug 23, 2019Observed: 13.12 ft at 5:15PM Aug 23, 2019Observed: 13.12 ft at 5:30PM Aug 23, 2019Observed: 13.11 ft at 5:45PM Aug 23, 2019Observed: 13.13 ft at 6:00PM Aug 23, 2019Observed: 13.13 ft at 6:15PM Aug 23, 2019Observed: 13.14 ft at 6:30PM Aug 23, 2019Observed: 13.14 ft at 6:45PM Aug 23, 2019Observed: 13.14 ft at 7:00PM Aug 23, 2019Observed: 13.15 ft at 7:15PM Aug 23, 2019Observed: 13.14 ft at 7:30PM Aug 23, 2019Observed: 13.16 ft at 7:45PM Aug 23, 2019Observed: 13.15 ft at 8:00PM Aug 23, 2019Observed: 13.15 ft at 8:15PM Aug 23, 2019Observed: 13.15 ft at 8:30PM Aug 23, 2019Observed: 13.15 ft at 8:45PM Aug 23, 2019Observed: 13.16 ft at 9:00PM Aug 23, 2019Observed: 13.16 ft at 9:15PM Aug 23, 2019Observed: 13.17 ft at 9:30PM Aug 23, 2019Observed: 13.16 ft at 9:45PM Aug 23, 2019Observed: 13.17 ft at 10:00PM Aug 23, 2019Observed: 13.16 ft at 10:15PM Aug 23, 2019Observed: 13.17 ft at 10:30PM Aug 23, 2019Observed: 13.17 ft at 10:45PM Aug 23, 2019Observed: 13.17 ft at 11:00PM Aug 23, 2019Observed: 13.17 ft at 11:15PM Aug 23, 2019Observed: 13.15 ft at 11:30PM Aug 23, 2019Observed: 13.17 ft at 11:45PM Aug 23, 2019Observed: 13.17 ft at 12:00AM Aug 24, 2019Observed: 13.16 ft at 12:15AM Aug 24, 2019Observed: 13.18 ft at 12:30AM Aug 24, 2019Observed: 13.17 ft at 12:45AM Aug 24, 2019Observed: 13.17 ft at 1:00AM Aug 24, 2019Observed: 13.16 ft at 1:15AM Aug 24, 2019Observed: 13.16 ft at 1:30AM Aug 24, 2019Observed: 13.18 ft at 1:45AM Aug 24, 2019Observed: 13.19 ft at 2:00AM Aug 24, 2019Observed: 13.19 ft at 2:15AM Aug 24, 2019Observed: 13.2 ft at 2:30AM Aug 24, 2019Observed: 13.2 ft at 2:45AM Aug 24, 2019Observed: 13.19 ft at 3:00AM Aug 24, 2019Observed: 13.19 ft at 3:15AM Aug 24, 2019Observed: 13.19 ft at 3:30AM Aug 24, 2019Observed: 13.19 ft at 3:45AM Aug 24, 2019Highest Observation: 13.21 ft at 4:00AM Aug 24, 2019Observed: 13.2 ft at 4:15AM Aug 24, 2019Observed: 13.19 ft at 4:30AM Aug 24, 2019Observed: 13.2 ft at 4:45AM Aug 24, 2019Observed: 13.2 ft at 5:00AM Aug 24, 2019Observed: 13.18 ft at 5:15AM Aug 24, 2019Observed: 13.2 ft at 5:30AM Aug 24, 2019Highest Observation: 13.21 ft at 5:45AM Aug 24, 2019Highest Observation: 13.21 ft at 6:00AM Aug 24, 2019Observed: 13.18 ft at 6:15AM Aug 24, 2019Observed: 13.2 ft at 6:30AM Aug 24, 2019Observed: 13.19 ft at 6:45AM Aug 24, 2019Observed: 13.2 ft at 7:00AM Aug 24, 2019Highest Observation: 13.21 ft at 7:15AM Aug 24, 2019Highest Observation: 13.21 ft at 7:30AM Aug 24, 2019Highest Observation: 13.21 ft at 7:45AM Aug 24, 2019Observed: 13.2 ft at 8:00AM Aug 24, 2019Observed: 13.19 ft at 8:15AM Aug 24, 2019Observed: 13.18 ft at 8:30AM Aug 24, 2019Observed: 13.18 ft at 8:45AM Aug 24, 2019Observed: 13.2 ft at 9:00AM Aug 24, 2019Observed: 13.2 ft at 9:15AM Aug 24, 2019Observed: 13.2 ft at 9:30AM Aug 24, 2019Observed: 13.19 ft at 9:45AM Aug 24, 2019Observed: 13.19 ft at 10:00AM Aug 24, 2019Observed: 13.19 ft at 10:15AM Aug 24, 2019Observed: 13.18 ft at 10:30AM Aug 24, 2019Observed: 13.18 ft at 10:45AM Aug 24, 2019Observed: 13.19 ft at 11:00AM Aug 24, 2019Observed: 13.18 ft at 11:15AM Aug 24, 2019Observed: 13.19 ft at 11:30AM Aug 24, 2019Observed: 13.2 ft at 11:45AM Aug 24, 2019Observed: 13.18 ft at 12:00PM Aug 24, 2019Observed: 13.17 ft at 12:15PM Aug 24, 2019Observed: 13.18 ft at 12:30PM Aug 24, 2019Observed: 13.17 ft at 12:45PM Aug 24, 2019Observed: 13.19 ft at 1:00PM Aug 24, 2019Observed: 13.19 ft at 1:15PM Aug 24, 2019Observed: 13.19 ft at 1:30PM Aug 24, 2019Observed: 13.17 ft at 1:45PM Aug 24, 2019Observed: 13.19 ft at 2:00PM Aug 24, 2019Observed: 13.16 ft at 2:15PM Aug 24, 2019Observed: 13.17 ft at 2:30PM Aug 24, 2019Observed: 13.18 ft at 2:45PM Aug 24, 2019Observed: 13.17 ft at 3:00PM Aug 24, 2019Observed: 13.19 ft at 3:15PM Aug 24, 2019Observed: 13.17 ft at 3:30PM Aug 24, 2019Observed: 13.17 ft at 3:45PM Aug 24, 2019Observed: 13.19 ft at 4:00PM Aug 24, 2019Observed: 13.18 ft at 4:15PM Aug 24, 2019Observed: 13.19 ft at 4:30PM Aug 24, 2019Observed: 13.2 ft at 4:45PM Aug 24, 2019Observed: 13.18 ft at 5:00PM Aug 24, 2019Observed: 13.19 ft at 5:15PM Aug 24, 2019Observed: 13.19 ft at 5:30PM Aug 24, 2019Observed: 13.19 ft at 5:45PM Aug 24, 2019Observed: 13.2 ft at 6:00PM Aug 24, 2019Observed: 13.19 ft at 6:15PM Aug 24, 2019Observed: 13.18 ft at 6:30PM Aug 24, 2019Observed: 13.2 ft at 6:45PM Aug 24, 2019Observed: 13.15 ft at 7:00PM Aug 24, 2019Observed: 13.19 ft at 7:15PM Aug 24, 2019Observed: 13.18 ft at 7:30PM Aug 24, 2019Observed: 13.19 ft at 7:45PM Aug 24, 2019Observed: 13.19 ft at 8:00PM Aug 24, 2019Observed: 13.18 ft at 8:15PM Aug 24, 2019Observed: 13.18 ft at 8:30PM Aug 24, 2019Observed: 13.18 ft at 8:45PM Aug 24, 2019Observed: 13.15 ft at 9:00PM Aug 24, 2019Observed: 13.16 ft at 9:15PM Aug 24, 2019Observed: 13.17 ft at 9:30PM Aug 24, 2019Observed: 13.17 ft at 9:45PM Aug 24, 2019Observed: 13.17 ft at 10:00PM Aug 24, 2019Observed: 13.17 ft at 10:15PM Aug 24, 2019Observed: 13.17 ft at 10:30PM Aug 24, 2019Observed: 13.17 ft at 10:45PM Aug 24, 2019Observed: 13.17 ft at 11:00PM Aug 24, 2019Observed: 13.16 ft at 11:15PM Aug 24, 2019Observed: 13.16 ft at 11:30PM Aug 24, 2019Observed: 13.16 ft at 11:45PM Aug 24, 2019Observed: 13.13 ft at 12:00AM Aug 25, 2019Observed: 13.14 ft at 12:15AM Aug 25, 2019Observed: 13.15 ft at 12:30AM Aug 25, 2019Observed: 13.12 ft at 12:45AM Aug 25, 2019Observed: 13.14 ft at 1:00AM Aug 25, 2019Observed: 13.15 ft at 1:15AM Aug 25, 2019Observed: 13.13 ft at 1:30AM Aug 25, 2019Observed: 13.14 ft at 1:45AM Aug 25, 2019Observed: 13.12 ft at 2:00AM Aug 25, 2019Observed: 13.11 ft at 2:15AM Aug 25, 2019Observed: 13.13 ft at 2:30AM Aug 25, 2019Observed: 13.12 ft at 2:45AM Aug 25, 2019Observed: 13.11 ft at 3:00AM Aug 25, 2019Observed: 13.12 ft at 3:15AM Aug 25, 2019Observed: 13.11 ft at 3:30AM Aug 25, 2019Observed: 13.11 ft at 3:31AM Aug 25, 2019Observed: 13.1 ft at 3:45AM Aug 25, 2019Observed: 13.1 ft at 3:46AM Aug 25, 2019Observed: 13.09 ft at 4:00AM Aug 25, 2019Observed: 13.09 ft at 4:01AM Aug 25, 2019Observed: 13.1 ft at 4:15AM Aug 25, 2019Observed: 13.11 ft at 4:30AM Aug 25, 2019Observed: 13.11 ft at 4:45AM Aug 25, 2019Observed: 13.1 ft at 5:00AM Aug 25, 2019Observed: 13.09 ft at 5:15AM Aug 25, 2019Observed: 13.09 ft at 5:30AM Aug 25, 2019Observed: 13.09 ft at 5:45AM Aug 25, 2019Observed: 13.1 ft at 6:00AM Aug 25, 2019Observed: 13.09 ft at 6:15AM Aug 25, 2019Observed: 13.08 ft at 6:30AM Aug 25, 2019Observed: 13.08 ft at 6:45AM Aug 25, 2019Observed: 13.09 ft at 7:00AM Aug 25, 2019Observed: 13.07 ft at 7:15AM Aug 25, 2019Observed: 13.08 ft at 7:30AM Aug 25, 2019Observed: 13.07 ft at 7:45AM Aug 25, 2019Observed: 13.06 ft at 8:00AM Aug 25, 2019Observed: 13.06 ft at 8:15AM Aug 25, 2019Observed: 13.08 ft at 8:30AM Aug 25, 2019Observed: 13.07 ft at 8:45AM Aug 25, 2019Observed: 13.05 ft at 9:00AM Aug 25, 2019Observed: 13.08 ft at 9:15AM Aug 25, 2019Observed: 13.05 ft at 9:30AM Aug 25, 2019Observed: 13.04 ft at 9:45AM Aug 25, 2019Observed: 13.03 ft at 10:00AM Aug 25, 2019Observed: 13.04 ft at 10:15AM Aug 25, 2019Observed: 13.03 ft at 10:30AM Aug 25, 2019Observed: 13.03 ft at 10:45AM Aug 25, 2019Observed: 13.04 ft at 11:00AM Aug 25, 2019Observed: 13.02 ft at 11:15AM Aug 25, 2019Observed: 13.03 ft at 11:30AM Aug 25, 2019Observed: 13.03 ft at 11:31AM Aug 25, 2019Observed: 13.02 ft at 11:45AM Aug 25, 2019Observed: 13.02 ft at 11:46AM Aug 25, 2019Observed: 13.02 ft at 12:00PM Aug 25, 2019Observed: 13.02 ft at 12:01PM Aug 25, 2019Observed: 13.02 ft at 12:15PM Aug 25, 2019Observed: 13.01 ft at 12:30PM Aug 25, 2019Observed: 13.04 ft at 12:45PM Aug 25, 2019Observed: 13.01 ft at 1:00PM Aug 25, 2019Observed: 13.01 ft at 1:15PM Aug 25, 2019Observed: 13 ft at 1:30PM Aug 25, 2019Observed: 13 ft at 1:45PM Aug 25, 2019Observed: 12.99 ft at 2:00PM Aug 25, 2019Observed: 13 ft at 2:15PM Aug 25, 2019Observed: 13 ft at 2:30PM Aug 25, 2019Observed: 12.99 ft at 2:45PM Aug 25, 2019Observed: 12.99 ft at 3:00PM Aug 25, 2019Observed: 12.99 ft at 3:15PM Aug 25, 2019Observed: 13.01 ft at 3:30PM Aug 25, 2019Observed: 12.98 ft at 3:45PM Aug 25, 2019Observed: 13 ft at 4:00PM Aug 25, 2019Observed: 13.01 ft at 4:15PM Aug 25, 2019Observed: 12.98 ft at 4:30PM Aug 25, 2019Observed: 12.98 ft at 4:45PM Aug 25, 2019Observed: 12.96 ft at 5:00PM Aug 25, 2019USGS--Water Resources of the United StatesAKRI4(plotting HGIRG) Graph Created (5:18PM Aug 25, 2019)ObservedLatest observed value: 12.96 ft at 5:00 PM CDT 25-Aug-2019. Flood Stage is 16 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Flow values shown may be different than other data sources. All observations are preliminary data.

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 - above Hawarden Upstream Gauge Downstream Gauge Downstream Gauge - near Richland
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 18
Flood Stage: 16
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 25.59 ft on 06/18/2014
(2) 23.82 ft on 03/16/2019 (P)
(3) 23.50 ft on 06/23/2018
(4) 23.38 ft on 04/26/2001
(5) 23.05 ft on 05/10/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.82 ft on 03/16/2019 (P)
(2) 23.50 ft on 06/23/2018
(3) 16.11 ft on 05/23/2017
(4) 18.20 ft on 05/03/2016
(5) 13.71 ft on 07/09/2015
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 1118.9 ft 1134.9 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
How low could the river get?
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Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 1-Mar-2019 12:34 AM
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