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Hydrograph River at a Glance Download
Big Sioux River near Brookings Stage (ft)Flow (cfs)Observed: 4.23 ft at 7:30PM Mar 11, 2019Observed: 4.23 ft at 7:45PM Mar 11, 2019Observed: 4.23 ft at 8:00PM Mar 11, 2019Observed: 4.23 ft at 8:15PM Mar 11, 2019Observed: 4.24 ft at 8:30PM Mar 11, 2019Observed: 4.23 ft at 8:45PM Mar 11, 2019Observed: 4.24 ft at 9:00PM Mar 11, 2019Observed: 4.23 ft at 9:15PM Mar 11, 2019Observed: 4.24 ft at 9:30PM Mar 11, 2019Observed: 4.24 ft at 9:45PM Mar 11, 2019Observed: 4.24 ft at 10:00PM Mar 11, 2019Observed: 4.24 ft at 10:15PM Mar 11, 2019Observed: 4.25 ft at 10:30PM Mar 11, 2019Observed: 4.24 ft at 10:45PM Mar 11, 2019Observed: 4.25 ft at 11:00PM Mar 11, 2019Observed: 4.24 ft at 11:15PM Mar 11, 2019Observed: 4.24 ft at 11:30PM Mar 11, 2019Observed: 4.24 ft at 11:45PM Mar 11, 2019Observed: 4.25 ft at 12:00AM Mar 12, 2019Observed: 4.25 ft at 12:15AM Mar 12, 2019Observed: 4.25 ft at 12:30AM Mar 12, 2019Observed: 4.25 ft at 12:45AM Mar 12, 2019Observed: 4.25 ft at 1:00AM Mar 12, 2019Observed: 4.24 ft at 1:15AM Mar 12, 2019Observed: 4.24 ft at 1:30AM Mar 12, 2019Observed: 4.25 ft at 1:45AM Mar 12, 2019Observed: 4.25 ft at 2:00AM Mar 12, 2019Observed: 4.24 ft at 2:15AM Mar 12, 2019Observed: 4.25 ft at 2:30AM Mar 12, 2019Observed: 4.25 ft at 2:31AM Mar 12, 2019Observed: 4.25 ft at 2:45AM Mar 12, 2019Observed: 4.25 ft at 2:46AM Mar 12, 2019Observed: 4.25 ft at 3:00AM Mar 12, 2019Observed: 4.25 ft at 3:01AM Mar 12, 2019Observed: 4.25 ft at 3:15AM Mar 12, 2019Observed: 4.25 ft at 3:30AM Mar 12, 2019Observed: 4.25 ft at 3:45AM Mar 12, 2019Observed: 4.25 ft at 4:00AM Mar 12, 2019Observed: 4.25 ft at 4:15AM Mar 12, 2019Observed: 4.25 ft at 4:30AM Mar 12, 2019Observed: 4.25 ft at 4:45AM Mar 12, 2019Observed: 4.25 ft at 5:00AM Mar 12, 2019Observed: 4.25 ft at 5:15AM Mar 12, 2019Observed: 4.25 ft at 5:30AM Mar 12, 2019Observed: 4.25 ft at 5:45AM Mar 12, 2019Observed: 4.25 ft at 6:00AM Mar 12, 2019Observed: 4.25 ft at 6:15AM Mar 12, 2019Observed: 4.24 ft at 6:30AM Mar 12, 2019Observed: 4.25 ft at 6:45AM Mar 12, 2019Observed: 4.25 ft at 7:00AM Mar 12, 2019Observed: 4.24 ft at 7:15AM Mar 12, 2019Observed: 4.25 ft at 7:30AM Mar 12, 2019Observed: 4.25 ft at 7:45AM Mar 12, 2019Observed: 4.25 ft at 8:00AM Mar 12, 2019Observed: 4.24 ft at 8:15AM Mar 12, 2019Observed: 4.24 ft at 8:30AM Mar 12, 2019Observed: 4.24 ft at 8:45AM Mar 12, 2019Observed: 4.24 ft at 9:00AM Mar 12, 2019Observed: 4.25 ft at 9:15AM Mar 12, 2019Observed: 4.25 ft at 9:30AM Mar 12, 2019Observed: 4.24 ft at 9:45AM Mar 12, 2019Observed: 4.25 ft at 10:00AM Mar 12, 2019Observed: 4.24 ft at 10:15AM Mar 12, 2019Observed: 4.24 ft at 10:30AM Mar 12, 2019Observed: 4.24 ft at 10:31AM Mar 12, 2019Observed: 4.24 ft at 10:45AM Mar 12, 2019Observed: 4.24 ft at 10:46AM Mar 12, 2019Observed: 4.24 ft at 11:00AM Mar 12, 2019Observed: 4.24 ft at 11:01AM Mar 12, 2019Observed: 4.24 ft at 11:15AM Mar 12, 2019Observed: 4.24 ft at 11:30AM Mar 12, 2019Observed: 4.24 ft at 11:45AM Mar 12, 2019Observed: 4.24 ft at 12:00PM Mar 12, 2019Observed: 4.24 ft at 12:15PM Mar 12, 2019Observed: 4.23 ft at 12:30PM Mar 12, 2019Observed: 4.23 ft at 12:45PM Mar 12, 2019Observed: 4.24 ft at 1:00PM Mar 12, 2019Observed: 4.23 ft at 1:15PM Mar 12, 2019Observed: 4.24 ft at 1:30PM Mar 12, 2019Observed: 4.24 ft at 1:45PM Mar 12, 2019Observed: 4.23 ft at 2:00PM Mar 12, 2019Observed: 4.24 ft at 2:15PM Mar 12, 2019Observed: 4.24 ft at 2:30PM Mar 12, 2019Observed: 4.23 ft at 2:45PM Mar 12, 2019Observed: 4.23 ft at 3:00PM Mar 12, 2019Observed: 4.24 ft at 3:15PM Mar 12, 2019Observed: 4.24 ft at 3:30PM Mar 12, 2019Observed: 4.24 ft at 3:45PM Mar 12, 2019Observed: 4.23 ft at 4:00PM Mar 12, 2019Observed: 4.23 ft at 4:15PM Mar 12, 2019Observed: 4.23 ft at 4:30PM Mar 12, 2019Observed: 4.24 ft at 4:45PM Mar 12, 2019Observed: 4.24 ft at 5:00PM Mar 12, 2019Observed: 4.24 ft at 5:15PM Mar 12, 2019Observed: 4.24 ft at 5:30PM Mar 12, 2019Observed: 4.24 ft at 5:45PM Mar 12, 2019Observed: 4.24 ft at 6:00PM Mar 12, 2019Observed: 4.24 ft at 6:15PM Mar 12, 2019Observed: 4.25 ft at 6:30PM Mar 12, 2019Observed: 4.19 ft at 6:31PM Mar 12, 2019Observed: 4.24 ft at 6:45PM Mar 12, 2019Observed: 4.24 ft at 6:46PM Mar 12, 2019Observed: 4.24 ft at 7:00PM Mar 12, 2019Observed: 4.24 ft at 7:01PM Mar 12, 2019Observed: 4.25 ft at 7:15PM Mar 12, 2019Observed: 4.24 ft at 7:30PM Mar 12, 2019Observed: 4.25 ft at 7:45PM Mar 12, 2019Observed: 4.24 ft at 8:00PM Mar 12, 2019Observed: 4.24 ft at 8:15PM Mar 12, 2019Observed: 4.25 ft at 8:30PM Mar 12, 2019Observed: 4.24 ft at 8:45PM Mar 12, 2019Observed: 4.24 ft at 9:00PM Mar 12, 2019Observed: 4.25 ft at 9:15PM Mar 12, 2019Observed: 4.25 ft at 9:30PM Mar 12, 2019Observed: 4.25 ft at 9:45PM Mar 12, 2019Observed: 4.25 ft at 10:00PM Mar 12, 2019Observed: 4.25 ft at 10:15PM Mar 12, 2019Observed: 4.25 ft at 10:30PM Mar 12, 2019Observed: 4.26 ft at 10:45PM Mar 12, 2019Observed: 4.26 ft at 11:00PM Mar 12, 2019Observed: 4.25 ft at 11:15PM Mar 12, 2019Observed: 4.26 ft at 11:30PM Mar 12, 2019Observed: 4.26 ft at 11:45PM Mar 12, 2019Observed: 4.26 ft at 12:00AM Mar 13, 2019Observed: 4.26 ft at 12:15AM Mar 13, 2019Observed: 4.26 ft at 12:30AM Mar 13, 2019Observed: 4.26 ft at 12:45AM Mar 13, 2019Observed: 4.26 ft at 1:00AM Mar 13, 2019Observed: 4.26 ft at 1:15AM Mar 13, 2019Observed: 4.26 ft at 1:30AM Mar 13, 2019Observed: 4.26 ft at 1:45AM Mar 13, 2019Observed: 4.26 ft at 2:00AM Mar 13, 2019Observed: 4.27 ft at 2:15AM Mar 13, 2019Observed: 4.27 ft at 2:30AM Mar 13, 2019Observed: 4.27 ft at 2:45AM Mar 13, 2019Observed: 4.27 ft at 3:00AM Mar 13, 2019Observed: 4.27 ft at 3:15AM Mar 13, 2019Observed: 4.27 ft at 3:30AM Mar 13, 2019Observed: 4.26 ft at 3:45AM Mar 13, 2019Observed: 4.26 ft at 4:00AM Mar 13, 2019Observed: 4.27 ft at 4:15AM Mar 13, 2019Observed: 4.27 ft at 4:30AM Mar 13, 2019Observed: 4.27 ft at 4:45AM Mar 13, 2019Observed: 4.27 ft at 5:00AM Mar 13, 2019Observed: 4.27 ft at 5:15AM Mar 13, 2019Observed: 4.27 ft at 5:30AM Mar 13, 2019Observed: 4.27 ft at 5:45AM Mar 13, 2019Observed: 4.27 ft at 6:00AM Mar 13, 2019Observed: 4.27 ft at 6:15AM Mar 13, 2019Observed: 4.28 ft at 6:30AM Mar 13, 2019Observed: 4.27 ft at 6:45AM Mar 13, 2019Observed: 4.27 ft at 7:00AM Mar 13, 2019Observed: 4.27 ft at 7:15AM Mar 13, 2019Observed: 4.27 ft at 7:30AM Mar 13, 2019Observed: 4.27 ft at 7:45AM Mar 13, 2019Observed: 4.27 ft at 8:15AM Mar 13, 2019Observed: 4.27 ft at 8:30AM Mar 13, 2019Observed: 4.27 ft at 8:45AM Mar 13, 2019Observed: 4.27 ft at 9:00AM Mar 13, 2019Observed: 4.28 ft at 9:15AM Mar 13, 2019Observed: 4.27 ft at 9:30AM Mar 13, 2019Observed: 4.27 ft at 9:45AM Mar 13, 2019Observed: 4.29 ft at 10:00AM Mar 13, 2019Observed: 4.29 ft at 10:15AM Mar 13, 2019Observed: 4.29 ft at 10:30AM Mar 13, 2019Observed: 4.29 ft at 10:45AM Mar 13, 2019Observed: 4.29 ft at 11:00AM Mar 13, 2019Observed: 4.29 ft at 11:15AM Mar 13, 2019Observed: 4.3 ft at 11:30AM Mar 13, 2019Observed: 4.3 ft at 11:45AM Mar 13, 2019Observed: 4.31 ft at 12:00PM Mar 13, 2019Observed: 4.32 ft at 12:15PM Mar 13, 2019Observed: 4.32 ft at 12:30PM Mar 13, 2019Observed: 4.34 ft at 12:45PM Mar 13, 2019Observed: 4.35 ft at 1:00PM Mar 13, 2019Observed: 4.36 ft at 1:15PM Mar 13, 2019Observed: 4.37 ft at 1:30PM Mar 13, 2019Observed: 4.39 ft at 1:45PM Mar 13, 2019Observed: 4.39 ft at 2:00PM Mar 13, 2019Observed: 4.4 ft at 2:15PM Mar 13, 2019Observed: 4.4 ft at 2:30PM Mar 13, 2019Observed: 4.42 ft at 2:45PM Mar 13, 2019Observed: 4.43 ft at 3:00PM Mar 13, 2019Observed: 4.43 ft at 3:15PM Mar 13, 2019Observed: 4.45 ft at 3:30PM Mar 13, 2019Observed: 4.45 ft at 3:31PM Mar 13, 2019Observed: 4.46 ft at 3:45PM Mar 13, 2019Observed: 4.46 ft at 3:46PM Mar 13, 2019Observed: 4.47 ft at 4:00PM Mar 13, 2019Observed: 4.47 ft at 4:01PM Mar 13, 2019Observed: 4.47 ft at 4:15PM Mar 13, 2019Observed: 4.51 ft at 4:30PM Mar 13, 2019Observed: 4.5 ft at 4:45PM Mar 13, 2019Observed: 4.51 ft at 5:00PM Mar 13, 2019Observed: 4.52 ft at 5:15PM Mar 13, 2019Observed: 4.53 ft at 5:30PM Mar 13, 2019Observed: 4.53 ft at 5:45PM Mar 13, 2019Observed: 4.53 ft at 6:00PM Mar 13, 2019Observed: 4.54 ft at 6:15PM Mar 13, 2019Observed: 4.54 ft at 6:30PM Mar 13, 2019Observed: 4.54 ft at 6:45PM Mar 13, 2019Observed: 4.55 ft at 7:00PM Mar 13, 2019Observed: 4.54 ft at 7:15PM Mar 13, 2019Observed: 4.55 ft at 7:30PM Mar 13, 2019Observed: 4.56 ft at 7:45PM Mar 13, 2019Observed: 4.56 ft at 8:00PM Mar 13, 2019Observed: 4.56 ft at 8:15PM Mar 13, 2019Observed: 4.56 ft at 8:30PM Mar 13, 2019Observed: 4.57 ft at 8:45PM Mar 13, 2019Observed: 4.58 ft at 9:00PM Mar 13, 2019Observed: 4.58 ft at 9:15PM Mar 13, 2019Observed: 4.58 ft at 9:30PM Mar 13, 2019Observed: 4.59 ft at 9:45PM Mar 13, 2019Observed: 4.6 ft at 10:00PM Mar 13, 2019Observed: 4.59 ft at 10:15PM Mar 13, 2019Observed: 4.61 ft at 10:30PM Mar 13, 2019Observed: 4.61 ft at 10:45PM Mar 13, 2019Observed: 4.61 ft at 11:00PM Mar 13, 2019Observed: 4.62 ft at 11:15PM Mar 13, 2019Observed: 4.62 ft at 11:30PM Mar 13, 2019Observed: 4.62 ft at 11:31PM Mar 13, 2019Observed: 4.62 ft at 11:45PM Mar 13, 2019Observed: 4.62 ft at 11:46PM Mar 13, 2019Observed: 4.63 ft at 12:00AM Mar 14, 2019Observed: 4.63 ft at 12:01AM Mar 14, 2019Observed: 4.64 ft at 12:15AM Mar 14, 2019Observed: 4.64 ft at 12:30AM Mar 14, 2019Observed: 4.65 ft at 12:45AM Mar 14, 2019Observed: 4.64 ft at 1:00AM Mar 14, 2019Observed: 4.65 ft at 1:15AM Mar 14, 2019Observed: 4.67 ft at 1:30AM Mar 14, 2019Observed: 4.66 ft at 1:45AM Mar 14, 2019Observed: 4.66 ft at 2:00AM Mar 14, 2019Observed: 4.67 ft at 2:15AM Mar 14, 2019Observed: 4.68 ft at 2:30AM Mar 14, 2019Observed: 4.68 ft at 2:45AM Mar 14, 2019Observed: 4.69 ft at 3:00AM Mar 14, 2019Observed: 4.69 ft at 3:15AM Mar 14, 2019Observed: 4.71 ft at 3:30AM Mar 14, 2019Observed: 4.71 ft at 3:45AM Mar 14, 2019Observed: 4.72 ft at 4:00AM Mar 14, 2019Observed: 4.73 ft at 4:15AM Mar 14, 2019Observed: 4.74 ft at 4:30AM Mar 14, 2019Observed: 4.75 ft at 4:45AM Mar 14, 2019Observed: 4.77 ft at 5:00AM Mar 14, 2019Observed: 4.77 ft at 5:15AM Mar 14, 2019Observed: 4.79 ft at 5:30AM Mar 14, 2019Observed: 4.8 ft at 5:45AM Mar 14, 2019Observed: 4.81 ft at 6:00AM Mar 14, 2019Observed: 4.82 ft at 6:15AM Mar 14, 2019Observed: 4.84 ft at 6:30AM Mar 14, 2019Observed: 4.84 ft at 6:45AM Mar 14, 2019Observed: 4.85 ft at 7:00AM Mar 14, 2019Observed: 4.85 ft at 7:15AM Mar 14, 2019Observed: 4.88 ft at 7:30AM Mar 14, 2019Observed: 4.88 ft at 7:45AM Mar 14, 2019Observed: 4.88 ft at 8:00AM Mar 14, 2019Observed: 4.89 ft at 8:15AM Mar 14, 2019Observed: 4.89 ft at 8:30AM Mar 14, 2019Observed: 4.9 ft at 8:45AM Mar 14, 2019Observed: 4.9 ft at 9:00AM Mar 14, 2019Observed: 4.91 ft at 9:15AM Mar 14, 2019Observed: 4.91 ft at 9:30AM Mar 14, 2019Observed: 4.92 ft at 9:45AM Mar 14, 2019Observed: 4.93 ft at 10:00AM Mar 14, 2019Observed: 4.93 ft at 10:15AM Mar 14, 2019Observed: 4.94 ft at 10:30AM Mar 14, 2019Observed: 4.95 ft at 10:45AM Mar 14, 2019Observed: 4.94 ft at 11:00AM Mar 14, 2019Observed: 4.95 ft at 11:15AM Mar 14, 2019Observed: 4.96 ft at 11:30AM Mar 14, 2019Observed: 4.96 ft at 11:45AM Mar 14, 2019Observed: 4.97 ft at 12:00PM Mar 14, 2019Observed: 4.98 ft at 12:15PM Mar 14, 2019Observed: 4.98 ft at 12:30PM Mar 14, 2019Observed: 5 ft at 12:45PM Mar 14, 2019Observed: 4.99 ft at 1:00PM Mar 14, 2019Observed: 4.99 ft at 1:15PM Mar 14, 2019Observed: 5.01 ft at 1:30PM Mar 14, 2019Observed: 5.02 ft at 1:45PM Mar 14, 2019Observed: 5.01 ft at 2:00PM Mar 14, 2019Observed: 5.03 ft at 2:15PM Mar 14, 2019Observed: 5.03 ft at 2:30PM Mar 14, 2019Observed: 5.05 ft at 2:45PM Mar 14, 2019Observed: 5.05 ft at 3:00PM Mar 14, 2019Observed: 5.06 ft at 3:15PM Mar 14, 2019Observed: 5.06 ft at 3:30PM Mar 14, 2019Observed: 5.07 ft at 3:45PM Mar 14, 2019Observed: 5.07 ft at 3:46PM Mar 14, 2019Observed: 5.07 ft at 4:00PM Mar 14, 2019Observed: 5.07 ft at 4:01PM Mar 14, 2019Observed: 5.08 ft at 4:15PM Mar 14, 2019Observed: 5.08 ft at 4:16PM Mar 14, 2019Observed: 5.07 ft at 4:30PM Mar 14, 2019Observed: 5.1 ft at 4:45PM Mar 14, 2019Observed: 5.11 ft at 5:00PM Mar 14, 2019Observed: 5.11 ft at 5:15PM Mar 14, 2019Observed: 5.11 ft at 5:30PM Mar 14, 2019Observed: 5.13 ft at 5:45PM Mar 14, 2019Observed: 5.14 ft at 6:00PM Mar 14, 2019Observed: 5.15 ft at 6:15PM Mar 14, 2019Observed: 5.16 ft at 6:30PM Mar 14, 2019Observed: 5.15 ft at 6:45PM Mar 14, 2019Observed: 5.16 ft at 7:00PM Mar 14, 2019Observed: 5.17 ft at 7:15PM Mar 14, 2019Observed: 5.18 ft at 7:30PM Mar 14, 2019Observed: 5.18 ft at 7:45PM Mar 14, 2019Observed: 5.18 ft at 8:00PM Mar 14, 2019Observed: 5.2 ft at 8:15PM Mar 14, 2019Observed: 5.19 ft at 8:30PM Mar 14, 2019Observed: 5.2 ft at 8:45PM Mar 14, 2019Observed: 5.19 ft at 9:00PM Mar 14, 2019Observed: 5.22 ft at 9:15PM Mar 14, 2019Observed: 5.21 ft at 9:30PM Mar 14, 2019Observed: 5.21 ft at 9:45PM Mar 14, 2019Observed: 5.22 ft at 10:00PM Mar 14, 2019Observed: 5.23 ft at 10:15PM Mar 14, 2019Observed: 5.22 ft at 10:30PM Mar 14, 2019Observed: 5.22 ft at 10:45PM Mar 14, 2019Observed: 5.22 ft at 11:00PM Mar 14, 2019Observed: 5.23 ft at 11:15PM Mar 14, 2019Observed: 5.23 ft at 11:30PM Mar 14, 2019Observed: 5.23 ft at 11:45PM Mar 14, 2019Observed: 5.23 ft at 11:46PM Mar 14, 2019Observed: 5.22 ft at 12:00AM Mar 15, 2019Observed: 5.22 ft at 12:01AM Mar 15, 2019Observed: 5.23 ft at 12:15AM Mar 15, 2019Observed: 5.23 ft at 12:16AM Mar 15, 2019Observed: 5.24 ft at 12:30AM Mar 15, 2019Observed: 5.23 ft at 12:45AM Mar 15, 2019Observed: 5.23 ft at 1:00AM Mar 15, 2019Observed: 5.23 ft at 1:15AM Mar 15, 2019Observed: 5.22 ft at 1:30AM Mar 15, 2019Observed: 5.23 ft at 1:45AM Mar 15, 2019Observed: 5.24 ft at 2:00AM Mar 15, 2019Observed: 5.22 ft at 2:15AM Mar 15, 2019Observed: 5.23 ft at 2:30AM Mar 15, 2019Observed: 5.22 ft at 2:45AM Mar 15, 2019Observed: 5.22 ft at 3:00AM Mar 15, 2019Observed: 5.22 ft at 3:15AM Mar 15, 2019Observed: 5.21 ft at 3:30AM Mar 15, 2019Observed: 5.22 ft at 3:45AM Mar 15, 2019Observed: 5.21 ft at 4:00AM Mar 15, 2019Observed: 5.21 ft at 4:15AM Mar 15, 2019Observed: 5.21 ft at 4:30AM Mar 15, 2019Observed: 5.21 ft at 4:45AM Mar 15, 2019Observed: 5.2 ft at 5:00AM Mar 15, 2019Observed: 5.21 ft at 5:15AM Mar 15, 2019Observed: 5.21 ft at 5:30AM Mar 15, 2019Observed: 5.2 ft at 5:45AM Mar 15, 2019Observed: 5.21 ft at 6:00AM Mar 15, 2019Observed: 5.2 ft at 6:15AM Mar 15, 2019Observed: 5.2 ft at 6:30AM Mar 15, 2019Observed: 5.2 ft at 6:45AM Mar 15, 2019Observed: 5.2 ft at 7:00AM Mar 15, 2019Observed: 5.19 ft at 7:15AM Mar 15, 2019Observed: 5.19 ft at 7:30AM Mar 15, 2019Observed: 5.19 ft at 7:45AM Mar 15, 2019Observed: 5.19 ft at 7:46AM Mar 15, 2019Observed: 5.18 ft at 8:00AM Mar 15, 2019Observed: 5.18 ft at 8:01AM Mar 15, 2019Observed: 5.18 ft at 8:15AM Mar 15, 2019Observed: 5.18 ft at 8:16AM Mar 15, 2019Observed: 5.17 ft at 8:30AM Mar 15, 2019Observed: 5.17 ft at 8:45AM Mar 15, 2019Observed: 5.18 ft at 9:00AM Mar 15, 2019Observed: 5.18 ft at 9:15AM Mar 15, 2019Observed: 5.17 ft at 9:30AM Mar 15, 2019Observed: 5.16 ft at 9:45AM Mar 15, 2019Observed: 5.17 ft at 10:00AM Mar 15, 2019Observed: 5.16 ft at 10:15AM Mar 15, 2019Observed: 5.16 ft at 10:30AM Mar 15, 2019Observed: 5.15 ft at 10:45AM Mar 15, 2019Observed: 5.16 ft at 11:00AM Mar 15, 2019Observed: 5.16 ft at 11:15AM Mar 15, 2019Observed: 5.16 ft at 11:30AM Mar 15, 2019Observed: 5.15 ft at 11:45AM Mar 15, 2019Observed: 5.15 ft at 12:00PM Mar 15, 2019Observed: 5.15 ft at 12:15PM Mar 15, 2019Observed: 5.16 ft at 12:30PM Mar 15, 2019Observed: 5.16 ft at 12:45PM Mar 15, 2019Observed: 5.16 ft at 1:00PM Mar 15, 2019Observed: 5.16 ft at 1:15PM Mar 15, 2019Observed: 5.17 ft at 1:30PM Mar 15, 2019Observed: 5.16 ft at 1:45PM Mar 15, 2019Observed: 5.17 ft at 2:00PM Mar 15, 2019Observed: 5.17 ft at 2:15PM Mar 15, 2019Observed: 5.18 ft at 2:30PM Mar 15, 2019Observed: 5.17 ft at 2:45PM Mar 15, 2019Observed: 5.19 ft at 3:00PM Mar 15, 2019Observed: 5.19 ft at 3:15PM Mar 15, 2019Observed: 5.19 ft at 3:30PM Mar 15, 2019Observed: 5.2 ft at 3:45PM Mar 15, 2019Observed: 5.21 ft at 4:00PM Mar 15, 2019Observed: 5.21 ft at 4:15PM Mar 15, 2019Observed: 5.22 ft at 4:30PM Mar 15, 2019Observed: 5.22 ft at 4:45PM Mar 15, 2019Observed: 5.23 ft at 5:00PM Mar 15, 2019Observed: 5.23 ft at 5:15PM Mar 15, 2019Observed: 5.24 ft at 5:30PM Mar 15, 2019Observed: 5.25 ft at 5:45PM Mar 15, 2019Observed: 5.25 ft at 6:00PM Mar 15, 2019Observed: 5.26 ft at 6:15PM Mar 15, 2019Observed: 5.27 ft at 6:30PM Mar 15, 2019Observed: 5.27 ft at 6:45PM Mar 15, 2019Observed: 5.28 ft at 7:00PM Mar 15, 2019Observed: 5.29 ft at 7:15PM Mar 15, 2019Observed: 5.3 ft at 7:30PM Mar 15, 2019Observed: 5.31 ft at 7:45PM Mar 15, 2019Observed: 5.31 ft at 8:00PM Mar 15, 2019Observed: 5.31 ft at 8:15PM Mar 15, 2019Observed: 5.32 ft at 8:30PM Mar 15, 2019Observed: 5.33 ft at 8:45PM Mar 15, 2019Observed: 5.33 ft at 9:00PM Mar 15, 2019Observed: 5.34 ft at 9:15PM Mar 15, 2019Observed: 5.34 ft at 9:30PM Mar 15, 2019Observed: 5.35 ft at 9:45PM Mar 15, 2019Observed: 5.35 ft at 10:00PM Mar 15, 2019Observed: 5.35 ft at 10:15PM Mar 15, 2019Observed: 5.37 ft at 10:30PM Mar 15, 2019Observed: 5.38 ft at 10:45PM Mar 15, 2019Observed: 5.38 ft at 11:00PM Mar 15, 2019Observed: 5.37 ft at 11:15PM Mar 15, 2019Observed: 5.39 ft at 11:30PM Mar 15, 2019Observed: 5.39 ft at 11:45PM Mar 15, 2019Observed: 5.39 ft at 11:46PM Mar 15, 2019Observed: 5.39 ft at 12:00AM Mar 16, 2019Observed: 5.39 ft at 12:01AM Mar 16, 2019Observed: 5.39 ft at 12:15AM Mar 16, 2019Observed: 5.39 ft at 12:16AM Mar 16, 2019Observed: 5.4 ft at 12:30AM Mar 16, 2019Observed: 5.41 ft at 12:45AM Mar 16, 2019Observed: 5.4 ft at 1:00AM Mar 16, 2019Observed: 5.41 ft at 1:15AM Mar 16, 2019Observed: 5.41 ft at 1:30AM Mar 16, 2019Observed: 5.41 ft at 1:45AM Mar 16, 2019Observed: 5.42 ft at 2:00AM Mar 16, 2019Observed: 5.42 ft at 2:15AM Mar 16, 2019Observed: 5.43 ft at 2:30AM Mar 16, 2019Observed: 5.42 ft at 2:45AM Mar 16, 2019Observed: 5.43 ft at 3:00AM Mar 16, 2019Observed: 5.43 ft at 3:15AM Mar 16, 2019Observed: 5.43 ft at 3:30AM Mar 16, 2019Observed: 5.43 ft at 3:45AM Mar 16, 2019Observed: 5.43 ft at 4:00AM Mar 16, 2019Observed: 5.43 ft at 4:15AM Mar 16, 2019Observed: 5.44 ft at 4:30AM Mar 16, 2019Observed: 5.44 ft at 4:45AM Mar 16, 2019Observed: 5.45 ft at 5:00AM Mar 16, 2019Observed: 5.44 ft at 5:15AM Mar 16, 2019Observed: 5.45 ft at 5:30AM Mar 16, 2019Observed: 5.45 ft at 5:45AM Mar 16, 2019Observed: 5.44 ft at 6:00AM Mar 16, 2019Observed: 5.46 ft at 6:15AM Mar 16, 2019Observed: 5.46 ft at 6:30AM Mar 16, 2019Observed: 5.45 ft at 6:45AM Mar 16, 2019Observed: 5.45 ft at 7:00AM Mar 16, 2019Observed: 5.46 ft at 7:15AM Mar 16, 2019Observed: 5.46 ft at 7:30AM Mar 16, 2019Observed: 5.47 ft at 7:45AM Mar 16, 2019Observed: 5.47 ft at 7:46AM Mar 16, 2019Observed: 5.47 ft at 8:00AM Mar 16, 2019Observed: 5.47 ft at 8:01AM Mar 16, 2019Observed: 5.46 ft at 8:15AM Mar 16, 2019Observed: 5.46 ft at 8:16AM Mar 16, 2019Observed: 5.46 ft at 8:30AM Mar 16, 2019Observed: 5.47 ft at 8:45AM Mar 16, 2019Observed: 5.47 ft at 9:00AM Mar 16, 2019Observed: 5.47 ft at 9:15AM Mar 16, 2019Observed: 5.47 ft at 9:30AM Mar 16, 2019Observed: 5.47 ft at 9:45AM Mar 16, 2019Observed: 5.47 ft at 10:00AM Mar 16, 2019Observed: 5.48 ft at 10:15AM Mar 16, 2019Observed: 5.48 ft at 10:30AM Mar 16, 2019Observed: 5.49 ft at 10:45AM Mar 16, 2019Observed: 5.5 ft at 11:00AM Mar 16, 2019Observed: 5.5 ft at 11:15AM Mar 16, 2019Observed: 5.5 ft at 11:30AM Mar 16, 2019Observed: 5.51 ft at 11:45AM Mar 16, 2019Observed: 5.51 ft at 12:00PM Mar 16, 2019Observed: 5.52 ft at 12:15PM Mar 16, 2019Observed: 5.52 ft at 12:30PM Mar 16, 2019Observed: 5.53 ft at 12:45PM Mar 16, 2019Observed: 5.54 ft at 1:00PM Mar 16, 2019Observed: 5.54 ft at 1:15PM Mar 16, 2019Observed: 5.56 ft at 1:30PM Mar 16, 2019Observed: 5.56 ft at 1:45PM Mar 16, 2019Observed: 5.56 ft at 2:00PM Mar 16, 2019Observed: 5.57 ft at 2:15PM Mar 16, 2019Observed: 5.57 ft at 2:30PM Mar 16, 2019Observed: 5.57 ft at 2:45PM Mar 16, 2019Observed: 5.59 ft at 3:00PM Mar 16, 2019Observed: 5.59 ft at 3:15PM Mar 16, 2019Observed: 5.59 ft at 3:30PM Mar 16, 2019Observed: 5.6 ft at 3:45PM Mar 16, 2019Observed: 5.61 ft at 4:00PM Mar 16, 2019Observed: 5.62 ft at 4:15PM Mar 16, 2019Observed: 5.62 ft at 4:30PM Mar 16, 2019Observed: 5.64 ft at 4:45PM Mar 16, 2019Observed: 5.64 ft at 5:00PM Mar 16, 2019Observed: 5.66 ft at 5:15PM Mar 16, 2019Observed: 5.66 ft at 5:30PM Mar 16, 2019Observed: 5.67 ft at 5:45PM Mar 16, 2019Observed: 5.67 ft at 6:00PM Mar 16, 2019Observed: 5.68 ft at 6:15PM Mar 16, 2019Observed: 5.68 ft at 6:30PM Mar 16, 2019Observed: 5.69 ft at 6:45PM Mar 16, 2019Observed: 5.7 ft at 7:00PM Mar 16, 2019Observed: 5.71 ft at 7:15PM Mar 16, 2019Observed: 5.72 ft at 7:30PM Mar 16, 2019Observed: 5.74 ft at 7:45PM Mar 16, 2019Observed: 5.76 ft at 8:00PM Mar 16, 2019Observed: 5.77 ft at 8:15PM Mar 16, 2019Observed: 5.77 ft at 8:30PM Mar 16, 2019Observed: 5.77 ft at 8:45PM Mar 16, 2019Observed: 5.79 ft at 9:00PM Mar 16, 2019Observed: 5.8 ft at 9:15PM Mar 16, 2019Observed: 5.8 ft at 9:30PM Mar 16, 2019Observed: 5.81 ft at 9:45PM Mar 16, 2019Observed: 5.81 ft at 10:00PM Mar 16, 2019Observed: 5.82 ft at 10:15PM Mar 16, 2019Observed: 5.83 ft at 10:30PM Mar 16, 2019Observed: 5.83 ft at 10:45PM Mar 16, 2019Observed: 5.84 ft at 11:00PM Mar 16, 2019Observed: 5.84 ft at 11:15PM Mar 16, 2019Observed: 5.85 ft at 11:30PM Mar 16, 2019Observed: 5.85 ft at 11:45PM Mar 16, 2019Observed: 5.85 ft at 12:00AM Mar 17, 2019Observed: 5.85 ft at 12:15AM Mar 17, 2019Observed: 5.86 ft at 12:30AM Mar 17, 2019Observed: 5.86 ft at 12:45AM Mar 17, 2019Observed: 5.87 ft at 1:00AM Mar 17, 2019Observed: 5.88 ft at 1:15AM Mar 17, 2019Observed: 5.89 ft at 1:30AM Mar 17, 2019Observed: 5.9 ft at 1:45AM Mar 17, 2019Observed: 5.89 ft at 2:00AM Mar 17, 2019Observed: 5.91 ft at 2:15AM Mar 17, 2019Observed: 5.91 ft at 2:30AM Mar 17, 2019Observed: 5.92 ft at 2:45AM Mar 17, 2019Observed: 5.92 ft at 3:00AM Mar 17, 2019Observed: 5.91 ft at 3:15AM Mar 17, 2019Observed: 5.93 ft at 3:30AM Mar 17, 2019Observed: 5.93 ft at 3:45AM Mar 17, 2019Observed: 5.95 ft at 4:00AM Mar 17, 2019Observed: 5.94 ft at 4:15AM Mar 17, 2019Observed: 5.95 ft at 4:30AM Mar 17, 2019Observed: 5.94 ft at 4:45AM Mar 17, 2019Observed: 5.98 ft at 5:00AM Mar 17, 2019Observed: 5.97 ft at 5:15AM Mar 17, 2019Observed: 5.98 ft at 5:30AM Mar 17, 2019Observed: 5.99 ft at 5:45AM Mar 17, 2019Observed: 5.99 ft at 6:00AM Mar 17, 2019Observed: 6 ft at 6:15AM Mar 17, 2019Observed: 6.02 ft at 6:30AM Mar 17, 2019Observed: 6.01 ft at 6:45AM Mar 17, 2019Observed: 6.03 ft at 7:00AM Mar 17, 2019Observed: 6.04 ft at 7:15AM Mar 17, 2019Observed: 6.04 ft at 7:30AM Mar 17, 2019Observed: 6.04 ft at 7:45AM Mar 17, 2019Observed: 6.05 ft at 8:00AM Mar 17, 2019Observed: 6.06 ft at 8:15AM Mar 17, 2019Observed: 6.07 ft at 8:30AM Mar 17, 2019Observed: 6.08 ft at 8:45AM Mar 17, 2019Observed: 6.08 ft at 9:00AM Mar 17, 2019Observed: 6.1 ft at 9:15AM Mar 17, 2019Observed: 6.1 ft at 9:30AM Mar 17, 2019Observed: 6.09 ft at 9:45AM Mar 17, 2019Observed: 6.12 ft at 10:00AM Mar 17, 2019Observed: 6.12 ft at 10:15AM Mar 17, 2019Observed: 6.13 ft at 10:30AM Mar 17, 2019Observed: 6.14 ft at 10:45AM Mar 17, 2019Observed: 6.15 ft at 11:00AM Mar 17, 2019Observed: 6.17 ft at 11:15AM Mar 17, 2019Observed: 6.19 ft at 11:30AM Mar 17, 2019Observed: 6.19 ft at 11:45AM Mar 17, 2019Observed: 6.21 ft at 12:00PM Mar 17, 2019Observed: 6.23 ft at 12:15PM Mar 17, 2019Observed: 6.25 ft at 12:30PM Mar 17, 2019Observed: 6.25 ft at 12:45PM Mar 17, 2019Observed: 6.27 ft at 1:00PM Mar 17, 2019Observed: 6.27 ft at 1:15PM Mar 17, 2019Observed: 6.29 ft at 1:30PM Mar 17, 2019Observed: 6.29 ft at 1:45PM Mar 17, 2019Observed: 6.31 ft at 2:00PM Mar 17, 2019Observed: 6.33 ft at 2:15PM Mar 17, 2019Observed: 6.35 ft at 2:30PM Mar 17, 2019Observed: 6.36 ft at 2:45PM Mar 17, 2019Observed: 6.37 ft at 3:00PM Mar 17, 2019Observed: 6.39 ft at 3:15PM Mar 17, 2019Observed: 6.4 ft at 3:30PM Mar 17, 2019Observed: 6.41 ft at 3:45PM Mar 17, 2019Observed: 6.43 ft at 4:00PM Mar 17, 2019Observed: 6.46 ft at 4:15PM Mar 17, 2019Observed: 6.47 ft at 4:30PM Mar 17, 2019Observed: 6.49 ft at 4:45PM Mar 17, 2019Observed: 6.5 ft at 5:00PM Mar 17, 2019Observed: 6.52 ft at 5:15PM Mar 17, 2019Observed: 6.54 ft at 5:30PM Mar 17, 2019Observed: 6.56 ft at 5:45PM Mar 17, 2019Observed: 6.57 ft at 6:00PM Mar 17, 2019Observed: 6.59 ft at 6:15PM Mar 17, 2019Observed: 6.6 ft at 6:30PM Mar 17, 2019Observed: 6.6 ft at 6:45PM Mar 17, 2019Observed: 6.63 ft at 7:00PM Mar 17, 2019Observed: 6.64 ft at 7:15PM Mar 17, 2019Observed: 6.66 ft at 7:30PM Mar 17, 2019Observed: 6.68 ft at 7:45PM Mar 17, 2019Observed: 6.69 ft at 8:00PM Mar 17, 2019Observed: 6.69 ft at 8:15PM Mar 17, 2019Observed: 6.72 ft at 8:30PM Mar 17, 2019Observed: 6.71 ft at 8:45PM Mar 17, 2019Observed: 6.74 ft at 9:00PM Mar 17, 2019Observed: 6.75 ft at 9:15PM Mar 17, 2019Observed: 6.77 ft at 9:30PM Mar 17, 2019Observed: 6.76 ft at 9:45PM Mar 17, 2019Observed: 6.79 ft at 10:00PM Mar 17, 2019Observed: 6.81 ft at 10:15PM Mar 17, 2019Observed: 6.81 ft at 10:30PM Mar 17, 2019Observed: 6.83 ft at 10:45PM Mar 17, 2019Observed: 6.83 ft at 11:00PM Mar 17, 2019Observed: 6.84 ft at 11:15PM Mar 17, 2019Observed: 6.85 ft at 11:30PM Mar 17, 2019Observed: 6.85 ft at 11:45PM Mar 17, 2019Observed: 6.88 ft at 12:00AM Mar 18, 2019Observed: 6.89 ft at 12:15AM Mar 18, 2019Observed: 6.89 ft at 12:30AM Mar 18, 2019Observed: 6.9 ft at 12:45AM Mar 18, 2019Observed: 6.93 ft at 1:00AM Mar 18, 2019Observed: 6.93 ft at 1:15AM Mar 18, 2019Observed: 6.96 ft at 1:30AM Mar 18, 2019Observed: 6.94 ft at 1:45AM Mar 18, 2019Observed: 6.96 ft at 2:00AM Mar 18, 2019Observed: 6.99 ft at 2:15AM Mar 18, 2019Observed: 7 ft at 2:30AM Mar 18, 2019Observed: 6.99 ft at 2:45AM Mar 18, 2019Observed: 7.01 ft at 3:00AM Mar 18, 2019Observed: 7.01 ft at 3:15AM Mar 18, 2019Observed: 7.02 ft at 3:30AM Mar 18, 2019Observed: 7.04 ft at 3:45AM Mar 18, 2019Observed: 7.05 ft at 4:00AM Mar 18, 2019Observed: 7.06 ft at 4:15AM Mar 18, 2019Observed: 7.07 ft at 4:30AM Mar 18, 2019Observed: 7.08 ft at 4:45AM Mar 18, 2019Observed: 7.09 ft at 5:00AM Mar 18, 2019Observed: 7.09 ft at 5:15AM Mar 18, 2019Observed: 7.09 ft at 5:30AM Mar 18, 2019Observed: 7.11 ft at 5:45AM Mar 18, 2019Observed: 7.11 ft at 6:00AM Mar 18, 2019Observed: 7.13 ft at 6:15AM Mar 18, 2019Observed: 7.13 ft at 6:30AM Mar 18, 2019Observed: 7.14 ft at 6:45AM Mar 18, 2019Observed: 7.15 ft at 7:00AM Mar 18, 2019Observed: 7.15 ft at 7:15AM Mar 18, 2019Observed: 7.17 ft at 7:30AM Mar 18, 2019Observed: 7.17 ft at 7:45AM Mar 18, 2019Observed: 7.18 ft at 8:00AM Mar 18, 2019Observed: 7.18 ft at 8:01AM Mar 18, 2019Observed: 7.19 ft at 8:15AM Mar 18, 2019Observed: 7.19 ft at 8:16AM Mar 18, 2019Observed: 7.19 ft at 8:30AM Mar 18, 2019Observed: 7.19 ft at 8:31AM Mar 18, 2019Observed: 7.21 ft at 8:45AM Mar 18, 2019Observed: 7.23 ft at 9:00AM Mar 18, 2019Observed: 7.24 ft at 9:15AM Mar 18, 2019Observed: 7.23 ft at 9:30AM Mar 18, 2019Observed: 7.25 ft at 9:45AM Mar 18, 2019Observed: 7.26 ft at 10:00AM Mar 18, 2019Observed: 7.27 ft at 10:15AM Mar 18, 2019Observed: 7.27 ft at 10:30AM Mar 18, 2019Observed: 7.29 ft at 10:45AM Mar 18, 2019Observed: 7.31 ft at 11:00AM Mar 18, 2019Observed: 7.32 ft at 11:15AM Mar 18, 2019Observed: 7.34 ft at 11:30AM Mar 18, 2019Observed: 7.36 ft at 11:45AM Mar 18, 2019Observed: 7.37 ft at 12:00PM Mar 18, 2019Observed: 7.38 ft at 12:15PM Mar 18, 2019Observed: 7.42 ft at 12:30PM Mar 18, 2019Observed: 7.46 ft at 12:45PM Mar 18, 2019Observed: 7.49 ft at 1:00PM Mar 18, 2019Observed: 7.51 ft at 1:15PM Mar 18, 2019Observed: 7.53 ft at 1:30PM Mar 18, 2019Observed: 7.57 ft at 1:45PM Mar 18, 2019Observed: 7.59 ft at 2:00PM Mar 18, 2019Observed: 7.6 ft at 2:15PM Mar 18, 2019Observed: 7.63 ft at 2:30PM Mar 18, 2019Observed: 7.66 ft at 2:45PM Mar 18, 2019Observed: 7.66 ft at 3:00PM Mar 18, 2019Observed: 7.69 ft at 3:15PM Mar 18, 2019Observed: 7.71 ft at 3:30PM Mar 18, 2019Observed: 7.73 ft at 3:45PM Mar 18, 2019Observed: 7.74 ft at 4:00PM Mar 18, 2019Observed: 7.74 ft at 4:01PM Mar 18, 2019Observed: 7.76 ft at 4:15PM Mar 18, 2019Observed: 7.76 ft at 4:16PM Mar 18, 2019Observed: 7.78 ft at 4:30PM Mar 18, 2019Observed: 7.78 ft at 4:31PM Mar 18, 2019Observed: 7.81 ft at 4:45PM Mar 18, 2019Observed: 7.82 ft at 5:00PM Mar 18, 2019Observed: 7.84 ft at 5:15PM Mar 18, 2019Observed: 7.86 ft at 5:30PM Mar 18, 2019Observed: 7.88 ft at 5:45PM Mar 18, 2019Observed: 7.88 ft at 6:00PM Mar 18, 2019Observed: 7.93 ft at 6:15PM Mar 18, 2019Observed: 7.93 ft at 6:30PM Mar 18, 2019Highest Observation: 7.94 ft at 6:45PM Mar 18, 2019USGS--Water Resources of the United StatesBRKS2(plotting HGIRG) Graph Created (7:18PM Mar 18, 2019)ObservedLatest observed value: 7.94 ft at 6:45 PM CDT 18-Mar-2019. Flood Stage is 9 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Big Sioux River near Brookings are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Medary Upstream Gauge Downstream Gauge Downstream Gauge - above Flandreau
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 10.5
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 14.77 ft on 04/09/1969
(2) 13.70 ft on 06/22/1984
(3) 13.66 ft on 09/25/2010
(4) 13.50 ft on 07/04/1993
(5) 13.33 ft on 03/24/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.30 ft on 04/24/2018
(2) 7.40 ft on 05/25/2017
(3) 5.53 ft on 06/19/2016
(4) 6.54 ft on 08/22/2015
(5) 7.66 ft on 06/10/2014
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
16 The bridges on 473rd Avenue and 475th Avenue are overtopped.
14 The water reaches the bottom of the bridges on 473rd Avenue and 475th Avenue.
13 The bridge 1 mile south of Medary on 471st Avenue is overtopped.
12 475th Avenue and 222nd Street being to flood.
11.7 473rd Avenue at 221st Street begins to flood.
11 Some farm outbuildings begin to flood.
10.3 473rd Avenue north of the gauge begins to flood.
10 Flooding begins to affect agricultural lands along the right bank of the river.
9 Significant amounts of pasture and farm lands begin flooding on the left bank of the river. The road south of the Brookings water treatment plant is flooded, as is 217th Street between 468th and 469th Avenues.
8 There is some minor overflow of the lowest banks along this stretch of the river.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 44.180278° N, Longitude: 96.749167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 1551.91 ft 1560.91 ft  

Current/Historical Observations:

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How low could the river get?
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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: 1-Mar-2019 12:34 AM
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