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Hydrograph River at a Glance Download
Big Sioux River near Brookings Stage (ft)Flow (cfs)Highest Observation: 9.32 ft at 4:30PM Oct 07, 2019Observed: 9.31 ft at 4:45PM Oct 07, 2019Observed: 9.31 ft at 5:00PM Oct 07, 2019Observed: 9.31 ft at 5:15PM Oct 07, 2019Observed: 9.31 ft at 5:30PM Oct 07, 2019Observed: 9.3 ft at 5:45PM Oct 07, 2019Observed: 9.29 ft at 6:00PM Oct 07, 2019Highest Observation: 9.32 ft at 6:15PM Oct 07, 2019Observed: 9.27 ft at 6:30PM Oct 07, 2019Observed: 9.29 ft at 6:45PM Oct 07, 2019Observed: 9.29 ft at 7:00PM Oct 07, 2019Observed: 9.27 ft at 7:15PM Oct 07, 2019Observed: 9.27 ft at 7:30PM Oct 07, 2019Observed: 9.28 ft at 7:45PM Oct 07, 2019Observed: 9.28 ft at 8:00PM Oct 07, 2019Observed: 9.28 ft at 8:15PM Oct 07, 2019Observed: 9.29 ft at 8:30PM Oct 07, 2019Observed: 9.3 ft at 8:45PM Oct 07, 2019Observed: 9.31 ft at 9:00PM Oct 07, 2019Observed: 9.3 ft at 9:15PM Oct 07, 2019Observed: 9.27 ft at 9:30PM Oct 07, 2019Observed: 9.3 ft at 10:00PM Oct 07, 2019Observed: 9.3 ft at 10:15PM Oct 07, 2019Observed: 9.28 ft at 10:30PM Oct 07, 2019Observed: 9.26 ft at 10:45PM Oct 07, 2019Observed: 9.29 ft at 11:00PM Oct 07, 2019Observed: 9.26 ft at 11:15PM Oct 07, 2019Observed: 9.28 ft at 11:30PM Oct 07, 2019Observed: 9.3 ft at 11:45PM Oct 07, 2019Observed: 9.27 ft at 12:00AM Oct 08, 2019Observed: 9.29 ft at 12:15AM Oct 08, 2019Observed: 9.3 ft at 12:30AM Oct 08, 2019Observed: 9.27 ft at 12:45AM Oct 08, 2019Observed: 9.29 ft at 1:00AM Oct 08, 2019Observed: 9.27 ft at 1:15AM Oct 08, 2019Observed: 9.27 ft at 1:30AM Oct 08, 2019Observed: 9.27 ft at 1:45AM Oct 08, 2019Observed: 9.28 ft at 2:00AM Oct 08, 2019Observed: 9.27 ft at 2:15AM Oct 08, 2019Observed: 9.28 ft at 2:30AM Oct 08, 2019Observed: 9.25 ft at 2:45AM Oct 08, 2019Observed: 9.26 ft at 3:00AM Oct 08, 2019Observed: 9.28 ft at 3:15AM Oct 08, 2019Observed: 9.28 ft at 3:30AM Oct 08, 2019Observed: 9.26 ft at 3:45AM Oct 08, 2019Observed: 9.26 ft at 4:00AM Oct 08, 2019Observed: 9.29 ft at 4:15AM Oct 08, 2019Observed: 9.25 ft at 4:30AM Oct 08, 2019Observed: 9.26 ft at 4:45AM Oct 08, 2019Observed: 9.27 ft at 5:00AM Oct 08, 2019Observed: 9.28 ft at 5:15AM Oct 08, 2019Observed: 9.28 ft at 5:16AM Oct 08, 2019Observed: 9.28 ft at 5:30AM Oct 08, 2019Observed: 9.28 ft at 5:31AM Oct 08, 2019Observed: 9.25 ft at 5:45AM Oct 08, 2019Observed: 9.25 ft at 5:46AM Oct 08, 2019Observed: 9.26 ft at 6:00AM Oct 08, 2019Observed: 9.27 ft at 6:15AM Oct 08, 2019Observed: 9.25 ft at 6:30AM Oct 08, 2019Observed: 9.27 ft at 6:45AM Oct 08, 2019Observed: 9.27 ft at 7:00AM Oct 08, 2019Observed: 9.26 ft at 7:15AM Oct 08, 2019Observed: 9.27 ft at 7:30AM Oct 08, 2019Observed: 9.26 ft at 7:45AM Oct 08, 2019Observed: 9.26 ft at 8:00AM Oct 08, 2019Observed: 9.27 ft at 8:15AM Oct 08, 2019Observed: 9.26 ft at 8:30AM Oct 08, 2019Observed: 9.25 ft at 9:00AM Oct 08, 2019Observed: 9.26 ft at 9:15AM Oct 08, 2019Observed: 9.23 ft at 9:30AM Oct 08, 2019Observed: 9.24 ft at 9:45AM Oct 08, 2019Observed: 9.26 ft at 10:00AM Oct 08, 2019Observed: 9.27 ft at 10:15AM Oct 08, 2019Observed: 9.23 ft at 10:30AM Oct 08, 2019Observed: 9.25 ft at 10:45AM Oct 08, 2019Observed: 9.26 ft at 11:00AM Oct 08, 2019Observed: 9.25 ft at 11:15AM Oct 08, 2019Observed: 9.24 ft at 11:30AM Oct 08, 2019Observed: 9.23 ft at 11:45AM Oct 08, 2019Observed: 9.26 ft at 12:15PM Oct 08, 2019Observed: 9.24 ft at 12:30PM Oct 08, 2019Observed: 9.24 ft at 12:45PM Oct 08, 2019Observed: 9.24 ft at 1:00PM Oct 08, 2019Observed: 9.26 ft at 1:15PM Oct 08, 2019Observed: 9.26 ft at 1:16PM Oct 08, 2019Observed: 9.22 ft at 1:30PM Oct 08, 2019Observed: 9.22 ft at 1:31PM Oct 08, 2019Observed: 9.23 ft at 1:45PM Oct 08, 2019Observed: 9.23 ft at 1:46PM Oct 08, 2019Observed: 9.23 ft at 2:00PM Oct 08, 2019Observed: 9.23 ft at 2:15PM Oct 08, 2019Observed: 9.21 ft at 2:30PM Oct 08, 2019Observed: 9.22 ft at 2:45PM Oct 08, 2019Observed: 9.2 ft at 3:00PM Oct 08, 2019Observed: 9.22 ft at 3:15PM Oct 08, 2019Observed: 9.22 ft at 3:30PM Oct 08, 2019Observed: 9.23 ft at 3:45PM Oct 08, 2019Observed: 9.23 ft at 4:00PM Oct 08, 2019Observed: 9.23 ft at 4:15PM Oct 08, 2019Observed: 9.22 ft at 4:30PM Oct 08, 2019Observed: 9.23 ft at 4:45PM Oct 08, 2019Observed: 9.22 ft at 5:00PM Oct 08, 2019Observed: 9.21 ft at 5:15PM Oct 08, 2019Observed: 9.2 ft at 5:30PM Oct 08, 2019Observed: 9.21 ft at 5:45PM Oct 08, 2019Observed: 9.18 ft at 6:00PM Oct 08, 2019Observed: 9.19 ft at 6:15PM Oct 08, 2019Observed: 9.18 ft at 6:30PM Oct 08, 2019Observed: 9.19 ft at 6:45PM Oct 08, 2019Observed: 9.16 ft at 7:00PM Oct 08, 2019Observed: 9.2 ft at 7:15PM Oct 08, 2019Observed: 9.2 ft at 7:30PM Oct 08, 2019Observed: 9.15 ft at 7:45PM Oct 08, 2019Observed: 9.18 ft at 8:00PM Oct 08, 2019Observed: 9.18 ft at 8:15PM Oct 08, 2019Observed: 9.15 ft at 8:30PM Oct 08, 2019Observed: 9.17 ft at 8:45PM Oct 08, 2019Observed: 9.19 ft at 9:00PM Oct 08, 2019Observed: 9.16 ft at 9:15PM Oct 08, 2019Observed: 9.19 ft at 9:30PM Oct 08, 2019Observed: 9.18 ft at 9:45PM Oct 08, 2019Observed: 9.17 ft at 10:00PM Oct 08, 2019Observed: 9.18 ft at 10:15PM Oct 08, 2019Observed: 9.16 ft at 10:30PM Oct 08, 2019Observed: 9.15 ft at 10:45PM Oct 08, 2019Observed: 9.16 ft at 11:00PM Oct 08, 2019Observed: 9.16 ft at 11:15PM Oct 08, 2019Observed: 9.16 ft at 11:30PM Oct 08, 2019Observed: 9.19 ft at 11:45PM Oct 08, 2019Observed: 9.15 ft at 12:00AM Oct 09, 2019Observed: 9.18 ft at 12:15AM Oct 09, 2019Observed: 9.17 ft at 12:30AM Oct 09, 2019Observed: 9.18 ft at 12:45AM Oct 09, 2019Observed: 9.17 ft at 1:00AM Oct 09, 2019Observed: 9.16 ft at 1:15AM Oct 09, 2019Observed: 9.17 ft at 1:30AM Oct 09, 2019Observed: 9.14 ft at 2:00AM Oct 09, 2019Observed: 9.15 ft at 2:15AM Oct 09, 2019Observed: 9.16 ft at 2:30AM Oct 09, 2019Observed: 9.16 ft at 2:45AM Oct 09, 2019Observed: 9.14 ft at 3:15AM Oct 09, 2019Observed: 9.15 ft at 3:30AM Oct 09, 2019Observed: 9.15 ft at 3:45AM Oct 09, 2019Observed: 9.14 ft at 4:00AM Oct 09, 2019Observed: 9.15 ft at 4:15AM Oct 09, 2019Observed: 9.14 ft at 4:45AM Oct 09, 2019Observed: 9.14 ft at 5:00AM Oct 09, 2019Observed: 9.13 ft at 5:15AM Oct 09, 2019Observed: 9.13 ft at 5:16AM Oct 09, 2019Observed: 9.14 ft at 5:30AM Oct 09, 2019Observed: 9.14 ft at 5:31AM Oct 09, 2019Observed: 9.15 ft at 5:45AM Oct 09, 2019Observed: 9.15 ft at 5:46AM Oct 09, 2019Observed: 9.11 ft at 6:00AM Oct 09, 2019Observed: 9.15 ft at 6:15AM Oct 09, 2019Observed: 9.13 ft at 6:30AM Oct 09, 2019Observed: 9.12 ft at 6:45AM Oct 09, 2019Observed: 9.11 ft at 7:00AM Oct 09, 2019Observed: 9.11 ft at 7:15AM Oct 09, 2019Observed: 9.1 ft at 7:30AM Oct 09, 2019Observed: 9.13 ft at 7:45AM Oct 09, 2019Observed: 9.11 ft at 8:00AM Oct 09, 2019Observed: 9.12 ft at 8:15AM Oct 09, 2019Observed: 9.07 ft at 8:30AM Oct 09, 2019Observed: 9.1 ft at 8:45AM Oct 09, 2019Observed: 9.1 ft at 9:00AM Oct 09, 2019Observed: 9.09 ft at 9:15AM Oct 09, 2019Observed: 9.09 ft at 9:30AM Oct 09, 2019Observed: 9.11 ft at 9:45AM Oct 09, 2019Observed: 9.07 ft at 10:00AM Oct 09, 2019Observed: 9.09 ft at 10:15AM Oct 09, 2019Observed: 9.09 ft at 10:30AM Oct 09, 2019Observed: 9.08 ft at 10:45AM Oct 09, 2019Observed: 9.07 ft at 11:00AM Oct 09, 2019Observed: 9.08 ft at 11:15AM Oct 09, 2019Observed: 9.07 ft at 11:30AM Oct 09, 2019Observed: 8.83 ft at 11:45AM Oct 09, 2019Observed: 8.8 ft at 12:00PM Oct 09, 2019Observed: 8.81 ft at 12:15PM Oct 09, 2019Observed: 8.81 ft at 12:30PM Oct 09, 2019Observed: 8.82 ft at 12:45PM Oct 09, 2019Observed: 8.82 ft at 1:00PM Oct 09, 2019Observed: 8.81 ft at 1:15PM Oct 09, 2019Observed: 8.77 ft at 1:30PM Oct 09, 2019Observed: 8.77 ft at 1:45PM Oct 09, 2019Observed: 8.8 ft at 2:00PM Oct 09, 2019Observed: 8.78 ft at 2:15PM Oct 09, 2019Observed: 8.82 ft at 2:30PM Oct 09, 2019Observed: 8.76 ft at 2:45PM Oct 09, 2019Observed: 8.8 ft at 3:00PM Oct 09, 2019Observed: 8.79 ft at 3:15PM Oct 09, 2019Observed: 8.79 ft at 3:30PM Oct 09, 2019Observed: 8.76 ft at 3:45PM Oct 09, 2019Observed: 8.75 ft at 4:00PM Oct 09, 2019Observed: 8.74 ft at 4:15PM Oct 09, 2019Observed: 8.76 ft at 4:30PM Oct 09, 2019Observed: 8.78 ft at 4:45PM Oct 09, 2019Observed: 8.76 ft at 5:00PM Oct 09, 2019Observed: 8.77 ft at 5:15PM Oct 09, 2019Observed: 8.78 ft at 5:30PM Oct 09, 2019Observed: 8.78 ft at 5:45PM Oct 09, 2019Observed: 8.74 ft at 6:00PM Oct 09, 2019Observed: 8.76 ft at 6:15PM Oct 09, 2019Observed: 8.77 ft at 6:30PM Oct 09, 2019Observed: 8.75 ft at 6:45PM Oct 09, 2019Observed: 8.74 ft at 7:00PM Oct 09, 2019Observed: 8.78 ft at 7:15PM Oct 09, 2019Observed: 8.76 ft at 7:30PM Oct 09, 2019Observed: 8.74 ft at 7:45PM Oct 09, 2019Observed: 8.71 ft at 8:00PM Oct 09, 2019Observed: 8.75 ft at 8:15PM Oct 09, 2019Observed: 8.74 ft at 8:30PM Oct 09, 2019Observed: 8.72 ft at 8:45PM Oct 09, 2019Observed: 8.69 ft at 9:00PM Oct 09, 2019Observed: 8.7 ft at 9:15PM Oct 09, 2019Observed: 8.68 ft at 9:30PM Oct 09, 2019Observed: 8.71 ft at 9:45PM Oct 09, 2019Observed: 8.69 ft at 10:00PM Oct 09, 2019Observed: 8.71 ft at 10:15PM Oct 09, 2019Observed: 8.71 ft at 10:30PM Oct 09, 2019Observed: 8.69 ft at 10:45PM Oct 09, 2019Observed: 8.73 ft at 11:00PM Oct 09, 2019Observed: 8.68 ft at 11:15PM Oct 09, 2019Observed: 8.69 ft at 11:30PM Oct 09, 2019Observed: 8.72 ft at 11:45PM Oct 09, 2019Observed: 8.71 ft at 12:00AM Oct 10, 2019Observed: 8.71 ft at 12:15AM Oct 10, 2019Observed: 8.71 ft at 12:30AM Oct 10, 2019Observed: 8.72 ft at 12:45AM Oct 10, 2019Observed: 8.71 ft at 1:00AM Oct 10, 2019Observed: 8.71 ft at 1:15AM Oct 10, 2019Observed: 8.69 ft at 1:30AM Oct 10, 2019Observed: 8.72 ft at 1:45AM Oct 10, 2019Observed: 8.71 ft at 2:00AM Oct 10, 2019Observed: 8.71 ft at 2:15AM Oct 10, 2019Observed: 8.72 ft at 2:30AM Oct 10, 2019Observed: 8.71 ft at 2:45AM Oct 10, 2019Observed: 8.69 ft at 3:00AM Oct 10, 2019Observed: 8.69 ft at 3:15AM Oct 10, 2019Observed: 8.67 ft at 3:30AM Oct 10, 2019Observed: 8.7 ft at 3:45AM Oct 10, 2019Observed: 8.66 ft at 4:00AM Oct 10, 2019Observed: 8.7 ft at 4:15AM Oct 10, 2019Observed: 8.67 ft at 4:30AM Oct 10, 2019Observed: 8.69 ft at 4:45AM Oct 10, 2019Observed: 8.68 ft at 5:00AM Oct 10, 2019Observed: 8.68 ft at 5:15AM Oct 10, 2019Observed: 8.67 ft at 5:30AM Oct 10, 2019Observed: 8.68 ft at 5:45AM Oct 10, 2019Observed: 8.68 ft at 6:00AM Oct 10, 2019Observed: 8.67 ft at 6:15AM Oct 10, 2019Observed: 8.66 ft at 6:30AM Oct 10, 2019Observed: 8.65 ft at 6:45AM Oct 10, 2019Observed: 8.67 ft at 7:00AM Oct 10, 2019Observed: 8.62 ft at 7:15AM Oct 10, 2019Observed: 8.63 ft at 7:30AM Oct 10, 2019Observed: 8.66 ft at 7:45AM Oct 10, 2019Observed: 8.65 ft at 8:00AM Oct 10, 2019Observed: 8.65 ft at 8:15AM Oct 10, 2019Observed: 8.65 ft at 8:30AM Oct 10, 2019Observed: 8.64 ft at 8:45AM Oct 10, 2019Observed: 8.65 ft at 9:00AM Oct 10, 2019Observed: 8.63 ft at 9:15AM Oct 10, 2019Observed: 8.63 ft at 9:30AM Oct 10, 2019Observed: 8.64 ft at 9:45AM Oct 10, 2019Observed: 8.63 ft at 10:00AM Oct 10, 2019Observed: 8.62 ft at 10:15AM Oct 10, 2019Observed: 8.65 ft at 10:30AM Oct 10, 2019Observed: 8.59 ft at 10:45AM Oct 10, 2019Observed: 8.59 ft at 11:00AM Oct 10, 2019Observed: 8.61 ft at 11:15AM Oct 10, 2019Observed: 8.61 ft at 11:30AM Oct 10, 2019Observed: 8.61 ft at 11:45AM Oct 10, 2019Observed: 8.59 ft at 12:00PM Oct 10, 2019Observed: 8.63 ft at 12:15PM Oct 10, 2019Observed: 8.59 ft at 12:30PM Oct 10, 2019Observed: 8.6 ft at 12:45PM Oct 10, 2019Observed: 8.59 ft at 1:00PM Oct 10, 2019Observed: 8.63 ft at 1:30PM Oct 10, 2019Observed: 8.6 ft at 1:45PM Oct 10, 2019Observed: 8.6 ft at 2:00PM Oct 10, 2019Observed: 8.59 ft at 2:15PM Oct 10, 2019Observed: 8.62 ft at 2:30PM Oct 10, 2019Observed: 8.61 ft at 2:45PM Oct 10, 2019Observed: 8.59 ft at 3:00PM Oct 10, 2019Observed: 8.58 ft at 3:15PM Oct 10, 2019Observed: 8.59 ft at 3:30PM Oct 10, 2019Observed: 8.59 ft at 3:45PM Oct 10, 2019Observed: 8.61 ft at 4:00PM Oct 10, 2019Observed: 8.59 ft at 4:15PM Oct 10, 2019Observed: 8.6 ft at 4:30PM Oct 10, 2019Observed: 8.6 ft at 4:45PM Oct 10, 2019Observed: 8.6 ft at 5:00PM Oct 10, 2019Observed: 8.6 ft at 5:15PM Oct 10, 2019Observed: 8.62 ft at 5:30PM Oct 10, 2019Observed: 8.6 ft at 5:45PM Oct 10, 2019Observed: 8.59 ft at 6:00PM Oct 10, 2019Observed: 8.61 ft at 6:15PM Oct 10, 2019Observed: 8.59 ft at 6:30PM Oct 10, 2019Observed: 8.58 ft at 6:45PM Oct 10, 2019Observed: 8.58 ft at 7:00PM Oct 10, 2019Observed: 8.6 ft at 7:15PM Oct 10, 2019Observed: 8.6 ft at 7:16PM Oct 10, 2019Observed: 8.57 ft at 7:30PM Oct 10, 2019Observed: 8.57 ft at 7:31PM Oct 10, 2019Observed: 8.58 ft at 7:45PM Oct 10, 2019Observed: 8.58 ft at 7:46PM Oct 10, 2019Observed: 8.61 ft at 8:00PM Oct 10, 2019Observed: 8.59 ft at 8:15PM Oct 10, 2019Observed: 8.61 ft at 8:30PM Oct 10, 2019Observed: 8.6 ft at 8:45PM Oct 10, 2019Observed: 8.61 ft at 9:00PM Oct 10, 2019Observed: 8.59 ft at 9:15PM Oct 10, 2019Observed: 8.59 ft at 9:30PM Oct 10, 2019Observed: 8.58 ft at 9:45PM Oct 10, 2019Observed: 8.57 ft at 10:00PM Oct 10, 2019Observed: 8.58 ft at 10:15PM Oct 10, 2019Observed: 8.59 ft at 10:30PM Oct 10, 2019Observed: 8.59 ft at 10:45PM Oct 10, 2019Observed: 8.62 ft at 11:00PM Oct 10, 2019Observed: 8.64 ft at 11:15PM Oct 10, 2019Observed: 8.63 ft at 11:30PM Oct 10, 2019Observed: 8.64 ft at 11:45PM Oct 10, 2019Observed: 8.58 ft at 12:00AM Oct 11, 2019Observed: 8.61 ft at 12:15AM Oct 11, 2019Observed: 8.62 ft at 12:30AM Oct 11, 2019Observed: 8.61 ft at 1:00AM Oct 11, 2019Observed: 8.64 ft at 1:15AM Oct 11, 2019Observed: 8.61 ft at 1:30AM Oct 11, 2019Observed: 8.61 ft at 1:45AM Oct 11, 2019Observed: 8.65 ft at 2:00AM Oct 11, 2019Observed: 8.65 ft at 2:15AM Oct 11, 2019Observed: 8.58 ft at 2:30AM Oct 11, 2019Observed: 8.63 ft at 2:45AM Oct 11, 2019Observed: 8.64 ft at 3:15AM Oct 11, 2019Observed: 8.64 ft at 3:16AM Oct 11, 2019Observed: 8.62 ft at 3:30AM Oct 11, 2019Observed: 8.62 ft at 3:31AM Oct 11, 2019Observed: 8.61 ft at 3:45AM Oct 11, 2019Observed: 8.61 ft at 3:46AM Oct 11, 2019Observed: 8.59 ft at 4:00AM Oct 11, 2019Observed: 8.61 ft at 4:15AM Oct 11, 2019Observed: 8.62 ft at 4:30AM Oct 11, 2019Observed: 8.61 ft at 4:45AM Oct 11, 2019Observed: 8.61 ft at 5:00AM Oct 11, 2019Observed: 8.62 ft at 5:15AM Oct 11, 2019Observed: 8.59 ft at 5:30AM Oct 11, 2019Observed: 8.62 ft at 5:45AM Oct 11, 2019Observed: 8.6 ft at 6:00AM Oct 11, 2019Observed: 8.62 ft at 6:15AM Oct 11, 2019Observed: 8.62 ft at 6:30AM Oct 11, 2019Observed: 8.62 ft at 6:45AM Oct 11, 2019Observed: 8.63 ft at 7:00AM Oct 11, 2019Observed: 8.61 ft at 7:15AM Oct 11, 2019Observed: 8.62 ft at 7:30AM Oct 11, 2019Observed: 8.64 ft at 7:45AM Oct 11, 2019Observed: 8.63 ft at 8:00AM Oct 11, 2019Observed: 8.63 ft at 8:15AM Oct 11, 2019Observed: 8.6 ft at 8:30AM Oct 11, 2019Observed: 8.61 ft at 9:00AM Oct 11, 2019Observed: 8.64 ft at 9:15AM Oct 11, 2019Observed: 8.63 ft at 9:30AM Oct 11, 2019Observed: 8.61 ft at 9:45AM Oct 11, 2019Observed: 8.61 ft at 10:00AM Oct 11, 2019Observed: 8.64 ft at 10:15AM Oct 11, 2019Observed: 8.62 ft at 10:30AM Oct 11, 2019Observed: 8.59 ft at 10:45AM Oct 11, 2019Observed: 8.61 ft at 11:00AM Oct 11, 2019Observed: 8.59 ft at 11:15AM Oct 11, 2019Observed: 8.62 ft at 11:30AM Oct 11, 2019Observed: 8.65 ft at 11:45AM Oct 11, 2019Observed: 8.6 ft at 12:00PM Oct 11, 2019Observed: 8.58 ft at 12:15PM Oct 11, 2019Observed: 8.58 ft at 12:30PM Oct 11, 2019Observed: 8.62 ft at 12:45PM Oct 11, 2019Observed: 8.63 ft at 1:00PM Oct 11, 2019Observed: 8.63 ft at 1:15PM Oct 11, 2019Observed: 8.63 ft at 1:30PM Oct 11, 2019Observed: 8.62 ft at 1:45PM Oct 11, 2019Observed: 8.6 ft at 2:00PM Oct 11, 2019Observed: 8.61 ft at 2:15PM Oct 11, 2019Observed: 8.63 ft at 2:30PM Oct 11, 2019Observed: 8.64 ft at 2:45PM Oct 11, 2019Observed: 8.62 ft at 3:00PM Oct 11, 2019Observed: 8.61 ft at 3:30PM Oct 11, 2019Observed: 8.62 ft at 3:45PM Oct 11, 2019Observed: 8.61 ft at 4:15PM Oct 11, 2019Observed: 8.62 ft at 4:30PM Oct 11, 2019Observed: 8.63 ft at 4:45PM Oct 11, 2019Observed: 8.59 ft at 5:00PM Oct 11, 2019Observed: 8.63 ft at 5:15PM Oct 11, 2019Observed: 8.59 ft at 5:30PM Oct 11, 2019Observed: 8.63 ft at 5:45PM Oct 11, 2019Observed: 8.65 ft at 6:00PM Oct 11, 2019Observed: 8.63 ft at 6:15PM Oct 11, 2019Observed: 8.6 ft at 6:30PM Oct 11, 2019Observed: 8.61 ft at 6:45PM Oct 11, 2019Observed: 8.65 ft at 7:00PM Oct 11, 2019Observed: 8.59 ft at 7:15PM Oct 11, 2019Observed: 8.59 ft at 7:16PM Oct 11, 2019Observed: 8.64 ft at 7:30PM Oct 11, 2019Observed: 8.64 ft at 7:31PM Oct 11, 2019Observed: 8.59 ft at 7:45PM Oct 11, 2019Observed: 8.59 ft at 7:46PM Oct 11, 2019Observed: 8.66 ft at 8:00PM Oct 11, 2019Observed: 8.66 ft at 8:30PM Oct 11, 2019Observed: 8.62 ft at 8:45PM Oct 11, 2019Observed: 8.61 ft at 9:00PM Oct 11, 2019Observed: 8.66 ft at 9:15PM Oct 11, 2019Observed: 8.6 ft at 9:30PM Oct 11, 2019Observed: 8.61 ft at 9:45PM Oct 11, 2019Observed: 8.67 ft at 10:00PM Oct 11, 2019Observed: 8.68 ft at 10:15PM Oct 11, 2019Observed: 8.67 ft at 10:30PM Oct 11, 2019Observed: 8.69 ft at 10:45PM Oct 11, 2019Observed: 8.65 ft at 11:00PM Oct 11, 2019Observed: 8.64 ft at 11:15PM Oct 11, 2019Observed: 8.65 ft at 11:30PM Oct 11, 2019Observed: 8.67 ft at 11:45PM Oct 11, 2019Observed: 8.64 ft at 12:00AM Oct 12, 2019Observed: 8.62 ft at 12:15AM Oct 12, 2019Observed: 8.68 ft at 12:30AM Oct 12, 2019Observed: 8.61 ft at 12:45AM Oct 12, 2019Observed: 8.66 ft at 1:00AM Oct 12, 2019Observed: 8.6 ft at 1:15AM Oct 12, 2019Observed: 8.69 ft at 1:30AM Oct 12, 2019Observed: 8.7 ft at 1:45AM Oct 12, 2019Observed: 8.67 ft at 2:00AM Oct 12, 2019Observed: 8.67 ft at 2:15AM Oct 12, 2019Observed: 8.62 ft at 2:30AM Oct 12, 2019Observed: 8.71 ft at 2:45AM Oct 12, 2019Observed: 8.69 ft at 3:00AM Oct 12, 2019Observed: 8.61 ft at 3:15AM Oct 12, 2019Observed: 8.61 ft at 3:16AM Oct 12, 2019Observed: 8.65 ft at 3:30AM Oct 12, 2019Observed: 8.65 ft at 3:31AM Oct 12, 2019Observed: 8.71 ft at 3:45AM Oct 12, 2019Observed: 8.71 ft at 3:46AM Oct 12, 2019Observed: 8.63 ft at 4:00AM Oct 12, 2019Observed: 8.71 ft at 4:15AM Oct 12, 2019Observed: 8.65 ft at 4:30AM Oct 12, 2019Observed: 8.69 ft at 4:45AM Oct 12, 2019Observed: 8.69 ft at 5:15AM Oct 12, 2019Observed: 8.67 ft at 5:30AM Oct 12, 2019Observed: 8.7 ft at 5:45AM Oct 12, 2019Observed: 8.64 ft at 6:00AM Oct 12, 2019Observed: 8.7 ft at 6:15AM Oct 12, 2019Observed: 8.63 ft at 6:30AM Oct 12, 2019Observed: 8.69 ft at 6:45AM Oct 12, 2019Observed: 8.67 ft at 7:00AM Oct 12, 2019Observed: 8.69 ft at 7:15AM Oct 12, 2019Observed: 8.68 ft at 7:30AM Oct 12, 2019Observed: 8.7 ft at 7:45AM Oct 12, 2019Observed: 8.69 ft at 8:00AM Oct 12, 2019Observed: 8.68 ft at 8:30AM Oct 12, 2019Observed: 8.69 ft at 8:45AM Oct 12, 2019Observed: 8.69 ft at 9:00AM Oct 12, 2019Observed: 8.68 ft at 9:15AM Oct 12, 2019Observed: 8.65 ft at 9:30AM Oct 12, 2019Observed: 8.65 ft at 9:45AM Oct 12, 2019Observed: 8.71 ft at 10:00AM Oct 12, 2019Observed: 8.66 ft at 10:15AM Oct 12, 2019Observed: 8.67 ft at 10:30AM Oct 12, 2019Observed: 8.71 ft at 10:45AM Oct 12, 2019Observed: 8.65 ft at 11:00AM Oct 12, 2019Observed: 8.69 ft at 11:15AM Oct 12, 2019Observed: 8.69 ft at 11:16AM Oct 12, 2019Observed: 8.67 ft at 11:30AM Oct 12, 2019Observed: 8.67 ft at 11:31AM Oct 12, 2019Observed: 8.66 ft at 11:45AM Oct 12, 2019Observed: 8.66 ft at 11:46AM Oct 12, 2019Observed: 8.71 ft at 12:00PM Oct 12, 2019Observed: 8.7 ft at 12:15PM Oct 12, 2019Observed: 8.72 ft at 12:30PM Oct 12, 2019Observed: 8.7 ft at 12:45PM Oct 12, 2019Observed: 8.72 ft at 1:00PM Oct 12, 2019Observed: 8.69 ft at 1:15PM Oct 12, 2019Observed: 8.71 ft at 1:45PM Oct 12, 2019Observed: 8.71 ft at 2:00PM Oct 12, 2019Observed: 8.67 ft at 2:15PM Oct 12, 2019Observed: 8.73 ft at 2:45PM Oct 12, 2019Observed: 8.7 ft at 3:00PM Oct 12, 2019Observed: 8.72 ft at 3:15PM Oct 12, 2019Observed: 8.73 ft at 3:45PM Oct 12, 2019Observed: 8.67 ft at 4:00PM Oct 12, 2019Observed: 8.72 ft at 4:15PM Oct 12, 2019Observed: 8.73 ft at 4:30PM Oct 12, 2019Observed: 8.69 ft at 4:45PM Oct 12, 2019Observed: 8.73 ft at 5:00PM Oct 12, 2019Observed: 8.67 ft at 5:45PM Oct 12, 2019Observed: 8.67 ft at 6:00PM Oct 12, 2019Observed: 8.74 ft at 6:30PM Oct 12, 2019Observed: 8.73 ft at 6:45PM Oct 12, 2019Observed: 8.74 ft at 7:00PM Oct 12, 2019Observed: 8.69 ft at 7:15PM Oct 12, 2019Observed: 8.69 ft at 7:16PM Oct 12, 2019Observed: 8.75 ft at 7:30PM Oct 12, 2019Observed: 8.75 ft at 7:31PM Oct 12, 2019Observed: 8.7 ft at 7:45PM Oct 12, 2019Observed: 8.7 ft at 7:46PM Oct 12, 2019Observed: 8.74 ft at 8:00PM Oct 12, 2019Observed: 8.7 ft at 8:15PM Oct 12, 2019Observed: 8.73 ft at 8:30PM Oct 12, 2019Observed: 8.72 ft at 8:45PM Oct 12, 2019Observed: 8.75 ft at 9:00PM Oct 12, 2019Observed: 8.71 ft at 9:15PM Oct 12, 2019Observed: 8.77 ft at 9:30PM Oct 12, 2019Observed: 8.73 ft at 9:45PM Oct 12, 2019Observed: 8.73 ft at 10:00PM Oct 12, 2019Observed: 8.75 ft at 10:15PM Oct 12, 2019Observed: 8.73 ft at 10:30PM Oct 12, 2019Observed: 8.77 ft at 11:15PM Oct 12, 2019Observed: 8.76 ft at 11:30PM Oct 12, 2019Observed: 8.75 ft at 11:45PM Oct 12, 2019Observed: 8.75 ft at 12:00AM Oct 13, 2019Observed: 8.72 ft at 12:15AM Oct 13, 2019Observed: 8.74 ft at 12:30AM Oct 13, 2019Observed: 8.73 ft at 12:45AM Oct 13, 2019Observed: 8.76 ft at 1:00AM Oct 13, 2019Observed: 8.75 ft at 1:15AM Oct 13, 2019Observed: 8.73 ft at 1:30AM Oct 13, 2019Observed: 8.74 ft at 1:45AM Oct 13, 2019Observed: 8.78 ft at 2:00AM Oct 13, 2019Observed: 8.78 ft at 2:15AM Oct 13, 2019Observed: 8.77 ft at 2:30AM Oct 13, 2019Observed: 8.76 ft at 2:45AM Oct 13, 2019Observed: 8.77 ft at 3:00AM Oct 13, 2019Observed: 8.71 ft at 3:15AM Oct 13, 2019Observed: 8.76 ft at 3:30AM Oct 13, 2019Observed: 8.76 ft at 3:31AM Oct 13, 2019Observed: 8.73 ft at 3:45AM Oct 13, 2019Observed: 8.73 ft at 3:46AM Oct 13, 2019Observed: 8.76 ft at 4:00AM Oct 13, 2019Observed: 8.76 ft at 4:01AM Oct 13, 2019Observed: 8.73 ft at 4:15AM Oct 13, 2019Observed: 8.76 ft at 4:30AM Oct 13, 2019Observed: 8.71 ft at 4:45AM Oct 13, 2019Observed: 8.78 ft at 5:00AM Oct 13, 2019Observed: 8.76 ft at 5:15AM Oct 13, 2019Observed: 8.77 ft at 5:30AM Oct 13, 2019Observed: 8.76 ft at 5:45AM Oct 13, 2019Observed: 8.76 ft at 6:00AM Oct 13, 2019Observed: 8.78 ft at 6:15AM Oct 13, 2019Observed: 8.77 ft at 6:30AM Oct 13, 2019Observed: 8.75 ft at 6:45AM Oct 13, 2019Observed: 8.78 ft at 7:00AM Oct 13, 2019Observed: 8.76 ft at 7:15AM Oct 13, 2019Observed: 8.75 ft at 7:30AM Oct 13, 2019Observed: 8.75 ft at 7:45AM Oct 13, 2019Observed: 8.75 ft at 8:00AM Oct 13, 2019Observed: 8.73 ft at 8:45AM Oct 13, 2019Observed: 8.75 ft at 9:15AM Oct 13, 2019Observed: 8.77 ft at 9:30AM Oct 13, 2019Observed: 8.75 ft at 9:45AM Oct 13, 2019Observed: 8.79 ft at 10:00AM Oct 13, 2019Observed: 8.78 ft at 10:15AM Oct 13, 2019Observed: 8.79 ft at 10:30AM Oct 13, 2019Observed: 8.79 ft at 10:45AM Oct 13, 2019Observed: 8.75 ft at 11:00AM Oct 13, 2019Observed: 8.74 ft at 11:15AM Oct 13, 2019Observed: 8.77 ft at 11:30AM Oct 13, 2019Observed: 8.75 ft at 11:45AM Oct 13, 2019Observed: 8.76 ft at 12:00PM Oct 13, 2019Observed: 8.76 ft at 12:15PM Oct 13, 2019Observed: 8.73 ft at 12:30PM Oct 13, 2019Observed: 8.79 ft at 12:45PM Oct 13, 2019Observed: 8.73 ft at 1:00PM Oct 13, 2019Observed: 8.76 ft at 1:15PM Oct 13, 2019Observed: 8.72 ft at 1:30PM Oct 13, 2019Observed: 8.72 ft at 1:45PM Oct 13, 2019Observed: 8.78 ft at 2:00PM Oct 13, 2019Observed: 8.75 ft at 2:30PM Oct 13, 2019Observed: 8.75 ft at 2:45PM Oct 13, 2019Observed: 8.72 ft at 3:15PM Oct 13, 2019Observed: 8.77 ft at 3:30PM Oct 13, 2019Observed: 8.75 ft at 3:45PM Oct 13, 2019Observed: 8.79 ft at 4:00PM Oct 13, 2019Observed: 8.76 ft at 4:15PM Oct 13, 2019Observed: 8.74 ft at 4:30PM Oct 13, 2019Observed: 8.75 ft at 4:45PM Oct 13, 2019Observed: 8.77 ft at 5:00PM Oct 13, 2019Observed: 8.76 ft at 5:15PM Oct 13, 2019Observed: 8.77 ft at 5:30PM Oct 13, 2019Observed: 8.76 ft at 5:45PM Oct 13, 2019Observed: 8.72 ft at 6:00PM Oct 13, 2019Observed: 8.75 ft at 6:15PM Oct 13, 2019Observed: 8.78 ft at 6:30PM Oct 13, 2019Observed: 8.76 ft at 6:45PM Oct 13, 2019Observed: 8.75 ft at 7:00PM Oct 13, 2019Observed: 8.77 ft at 7:15PM Oct 13, 2019Observed: 8.79 ft at 7:30PM Oct 13, 2019Observed: 8.79 ft at 7:31PM Oct 13, 2019Observed: 8.76 ft at 7:45PM Oct 13, 2019Observed: 8.76 ft at 7:46PM Oct 13, 2019Observed: 8.79 ft at 8:00PM Oct 13, 2019Observed: 8.79 ft at 8:01PM Oct 13, 2019Observed: 8.79 ft at 8:15PM Oct 13, 2019Observed: 8.76 ft at 8:30PM Oct 13, 2019Observed: 8.78 ft at 8:45PM Oct 13, 2019Observed: 8.78 ft at 9:00PM Oct 13, 2019Observed: 8.72 ft at 9:15PM Oct 13, 2019Observed: 8.76 ft at 9:45PM Oct 13, 2019Observed: 8.79 ft at 10:00PM Oct 13, 2019Observed: 8.81 ft at 10:15PM Oct 13, 2019Observed: 8.76 ft at 10:30PM Oct 13, 2019Observed: 8.75 ft at 10:45PM Oct 13, 2019Observed: 8.77 ft at 11:00PM Oct 13, 2019Observed: 8.8 ft at 11:15PM Oct 13, 2019Observed: 8.75 ft at 11:30PM Oct 13, 2019Observed: 8.74 ft at 11:45PM Oct 13, 2019Observed: 8.77 ft at 12:00AM Oct 14, 2019Observed: 8.81 ft at 12:15AM Oct 14, 2019Observed: 8.81 ft at 12:30AM Oct 14, 2019Observed: 8.72 ft at 12:45AM Oct 14, 2019Observed: 8.8 ft at 1:00AM Oct 14, 2019Observed: 8.74 ft at 1:30AM Oct 14, 2019Observed: 8.8 ft at 1:45AM Oct 14, 2019Observed: 8.79 ft at 2:15AM Oct 14, 2019Observed: 8.8 ft at 2:30AM Oct 14, 2019Observed: 8.79 ft at 2:45AM Oct 14, 2019Observed: 8.77 ft at 3:00AM Oct 14, 2019Observed: 8.8 ft at 3:15AM Oct 14, 2019Observed: 8.79 ft at 3:30AM Oct 14, 2019Observed: 8.79 ft at 3:31AM Oct 14, 2019Observed: 8.76 ft at 3:45AM Oct 14, 2019Observed: 8.76 ft at 3:46AM Oct 14, 2019Observed: 8.79 ft at 4:00AM Oct 14, 2019Observed: 8.79 ft at 4:01AM Oct 14, 2019Observed: 8.76 ft at 4:15AM Oct 14, 2019Observed: 8.78 ft at 4:30AM Oct 14, 2019Observed: 8.79 ft at 4:45AM Oct 14, 2019Observed: 8.81 ft at 5:00AM Oct 14, 2019Observed: 8.76 ft at 5:15AM Oct 14, 2019Observed: 8.82 ft at 5:30AM Oct 14, 2019Observed: 8.83 ft at 5:45AM Oct 14, 2019Observed: 8.77 ft at 6:00AM Oct 14, 2019Observed: 8.8 ft at 6:15AM Oct 14, 2019Observed: 8.83 ft at 6:30AM Oct 14, 2019Observed: 8.75 ft at 6:45AM Oct 14, 2019Observed: 8.8 ft at 7:00AM Oct 14, 2019Observed: 8.82 ft at 7:15AM Oct 14, 2019Observed: 8.84 ft at 7:30AM Oct 14, 2019Observed: 8.82 ft at 7:45AM Oct 14, 2019Observed: 8.76 ft at 8:00AM Oct 14, 2019Observed: 8.76 ft at 8:15AM Oct 14, 2019Observed: 8.82 ft at 8:30AM Oct 14, 2019Observed: 8.83 ft at 8:45AM Oct 14, 2019Observed: 8.82 ft at 9:00AM Oct 14, 2019Observed: 8.8 ft at 9:15AM Oct 14, 2019Observed: 8.77 ft at 9:30AM Oct 14, 2019Observed: 8.8 ft at 9:45AM Oct 14, 2019Observed: 8.83 ft at 10:00AM Oct 14, 2019Observed: 8.82 ft at 10:15AM Oct 14, 2019Observed: 8.79 ft at 10:30AM Oct 14, 2019Observed: 8.84 ft at 10:45AM Oct 14, 2019Observed: 8.81 ft at 11:00AM Oct 14, 2019Observed: 8.84 ft at 11:15AM Oct 14, 2019Observed: 8.84 ft at 11:30AM Oct 14, 2019Observed: 8.84 ft at 11:31AM Oct 14, 2019Observed: 8.84 ft at 11:45AM Oct 14, 2019Observed: 8.84 ft at 11:46AM Oct 14, 2019Observed: 8.79 ft at 12:00PM Oct 14, 2019Observed: 8.79 ft at 12:01PM Oct 14, 2019Observed: 8.83 ft at 12:15PM Oct 14, 2019Observed: 8.84 ft at 12:30PM Oct 14, 2019Observed: 8.79 ft at 12:45PM Oct 14, 2019Observed: 8.82 ft at 1:00PM Oct 14, 2019Observed: 8.82 ft at 1:15PM Oct 14, 2019Observed: 8.82 ft at 1:30PM Oct 14, 2019Observed: 8.83 ft at 1:45PM Oct 14, 2019Observed: 8.81 ft at 2:00PM Oct 14, 2019Observed: 8.85 ft at 2:15PM Oct 14, 2019Observed: 8.85 ft at 2:30PM Oct 14, 2019Observed: 8.85 ft at 2:45PM Oct 14, 2019Observed: 8.86 ft at 3:00PM Oct 14, 2019Observed: 8.75 ft at 3:15PM Oct 14, 2019Observed: 8.84 ft at 3:30PM Oct 14, 2019Observed: 8.86 ft at 3:45PM Oct 14, 2019Forecast: 8.8 ft 7:00PM Oct 14, 2019Forecast: 8.9 ft 1:00AM Oct 15, 2019Forecast: 8.9 ft 7:00AM Oct 15, 2019Forecast: 8.9 ft 1:00PM Oct 15, 2019Forecast: 9 ft 7:00PM Oct 15, 2019Forecast: 9 ft 1:00AM Oct 16, 2019Forecast: 9.1 ft 7:00AM Oct 16, 2019Forecast: 9.1 ft 1:00PM Oct 16, 2019Forecast: 9.2 ft 7:00PM Oct 16, 2019Forecast: 9.3 ft 1:00AM Oct 17, 2019Forecast: 9.3 ft 7:00AM Oct 17, 2019Forecast: 9.3 ft 1:00PM Oct 17, 2019Forecast: 9.4 ft 7:00PM Oct 17, 2019Forecast: 9.4 ft 1:00AM Oct 18, 2019Highest Forecast: 9.5 ft 7:00AM Oct 18, 2019Highest Forecast: 9.5 ft 1:00PM Oct 18, 2019Forecast: 9.4 ft 7:00PM Oct 18, 2019Forecast: 9.4 ft 1:00AM Oct 19, 2019Forecast: 9.4 ft 7:00AM Oct 19, 2019USGS--Water Resources of the United StatesBRKS2(plotting HGIRG) Graph Created (4:18PM Oct 14, 2019)ObservedForecast (issued 10:13AM Oct 14)Latest observed value: 8.86 ft at 3:45 PM CDT 14-Oct-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: 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: 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 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) 13.11 ft on 03/22/2019 (P)
(2) 12.30 ft on 04/24/2018
(3) 7.40 ft on 05/25/2017
(4) 5.53 ft on 06/19/2016
(5) 6.54 ft on 08/22/2015
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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Gauge LocationGauge Map Marker
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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