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Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Observed: 15.7 ft at 6:00AM Oct 17, 2021Observed: 15.71 ft at 6:15AM Oct 17, 2021Observed: 15.74 ft at 6:30AM Oct 17, 2021Highest Observation: 15.75 ft at 6:45AM Oct 17, 2021Highest Observation: 15.75 ft at 7:00AM Oct 17, 2021Observed: 15.69 ft at 7:15AM Oct 17, 2021Observed: 15.64 ft at 7:30AM Oct 17, 2021Observed: 15.73 ft at 7:45AM Oct 17, 2021Observed: 15.68 ft at 8:15AM Oct 17, 2021Observed: 15.66 ft at 8:30AM Oct 17, 2021Observed: 15.63 ft at 8:45AM Oct 17, 2021Observed: 15.68 ft at 9:00AM Oct 17, 2021Observed: 15.69 ft at 9:15AM Oct 17, 2021Observed: 15.66 ft at 9:30AM Oct 17, 2021Observed: 15.66 ft at 9:45AM Oct 17, 2021Observed: 15.66 ft at 10:00AM Oct 17, 2021Observed: 15.65 ft at 10:15AM Oct 17, 2021Observed: 15.65 ft at 10:30AM Oct 17, 2021Observed: 15.64 ft at 10:45AM Oct 17, 2021Observed: 15.63 ft at 11:00AM Oct 17, 2021Observed: 15.63 ft at 11:15AM Oct 17, 2021Observed: 15.57 ft at 11:30AM Oct 17, 2021Observed: 15.62 ft at 11:45AM Oct 17, 2021Observed: 15.58 ft at 12:00PM Oct 17, 2021Observed: 15.6 ft at 12:15PM Oct 17, 2021Observed: 15.59 ft at 12:30PM Oct 17, 2021Observed: 15.58 ft at 12:45PM Oct 17, 2021Observed: 15.57 ft at 1:00PM Oct 17, 2021Observed: 15.58 ft at 1:15PM Oct 17, 2021Observed: 15.57 ft at 1:30PM Oct 17, 2021Observed: 15.56 ft at 1:45PM Oct 17, 2021Observed: 15.57 ft at 2:00PM Oct 17, 2021Observed: 15.55 ft at 2:15PM Oct 17, 2021Observed: 15.56 ft at 2:30PM Oct 17, 2021Observed: 15.54 ft at 2:45PM Oct 17, 2021Observed: 15.54 ft at 3:00PM Oct 17, 2021Observed: 15.54 ft at 3:15PM Oct 17, 2021Observed: 15.52 ft at 3:30PM Oct 17, 2021Observed: 15.52 ft at 3:45PM Oct 17, 2021Observed: 15.52 ft at 4:00PM Oct 17, 2021Observed: 15.48 ft at 4:15PM Oct 17, 2021Observed: 15.5 ft at 4:30PM Oct 17, 2021Observed: 15.48 ft at 4:45PM Oct 17, 2021Observed: 15.47 ft at 5:00PM Oct 17, 2021Observed: 15.45 ft at 5:15PM Oct 17, 2021Observed: 15.45 ft at 5:30PM Oct 17, 2021Observed: 15.46 ft at 5:45PM Oct 17, 2021Observed: 15.45 ft at 6:00PM Oct 17, 2021Observed: 15.44 ft at 6:15PM Oct 17, 2021Observed: 15.43 ft at 6:30PM Oct 17, 2021Observed: 15.42 ft at 6:45PM Oct 17, 2021Observed: 15.42 ft at 7:00PM Oct 17, 2021Observed: 15.42 ft at 7:15PM Oct 17, 2021Observed: 15.41 ft at 7:30PM Oct 17, 2021Observed: 15.41 ft at 7:45PM Oct 17, 2021Observed: 15.41 ft at 8:00PM Oct 17, 2021Observed: 15.41 ft at 8:15PM Oct 17, 2021Observed: 15.4 ft at 8:30PM Oct 17, 2021Observed: 15.41 ft at 8:45PM Oct 17, 2021Observed: 15.4 ft at 9:00PM Oct 17, 2021Observed: 15.4 ft at 9:15PM Oct 17, 2021Observed: 15.39 ft at 9:30PM Oct 17, 2021Observed: 15.39 ft at 9:45PM Oct 17, 2021Observed: 15.4 ft at 10:00PM Oct 17, 2021Observed: 15.39 ft at 10:15PM Oct 17, 2021Observed: 15.39 ft at 10:30PM Oct 17, 2021Observed: 15.39 ft at 10:45PM Oct 17, 2021Observed: 15.39 ft at 11:00PM Oct 17, 2021Observed: 15.38 ft at 11:15PM Oct 17, 2021Observed: 15.38 ft at 11:30PM Oct 17, 2021Observed: 15.38 ft at 11:45PM Oct 17, 2021Observed: 15.38 ft at 12:00AM Oct 18, 2021Observed: 15.38 ft at 12:15AM Oct 18, 2021Observed: 15.38 ft at 12:30AM Oct 18, 2021Observed: 15.38 ft at 12:45AM Oct 18, 2021Observed: 15.38 ft at 1:00AM Oct 18, 2021Observed: 15.37 ft at 1:15AM Oct 18, 2021Observed: 15.37 ft at 1:30AM Oct 18, 2021Observed: 15.36 ft at 1:45AM Oct 18, 2021Observed: 15.37 ft at 2:00AM Oct 18, 2021Observed: 15.37 ft at 2:15AM Oct 18, 2021Observed: 15.36 ft at 2:30AM Oct 18, 2021Observed: 15.36 ft at 2:45AM Oct 18, 2021Observed: 15.36 ft at 3:00AM Oct 18, 2021Observed: 15.35 ft at 3:15AM Oct 18, 2021Observed: 15.35 ft at 3:30AM Oct 18, 2021Observed: 15.35 ft at 3:45AM Oct 18, 2021Observed: 15.34 ft at 4:00AM Oct 18, 2021Observed: 15.34 ft at 4:15AM Oct 18, 2021Observed: 15.34 ft at 4:30AM Oct 18, 2021Observed: 15.33 ft at 4:45AM Oct 18, 2021Observed: 15.33 ft at 5:00AM Oct 18, 2021Observed: 15.33 ft at 5:15AM Oct 18, 2021Observed: 15.32 ft at 5:30AM Oct 18, 2021Observed: 15.32 ft at 5:45AM Oct 18, 2021Observed: 15.32 ft at 6:00AM Oct 18, 2021Observed: 15.32 ft at 6:15AM Oct 18, 2021Observed: 15.32 ft at 6:30AM Oct 18, 2021Observed: 15.32 ft at 6:45AM Oct 18, 2021Observed: 15.32 ft at 7:00AM Oct 18, 2021Observed: 15.32 ft at 7:15AM Oct 18, 2021Observed: 15.31 ft at 7:30AM Oct 18, 2021Observed: 15.32 ft at 7:45AM Oct 18, 2021Observed: 15.24 ft at 8:00AM Oct 18, 2021Observed: 15.31 ft at 8:15AM Oct 18, 2021Observed: 15.3 ft at 8:30AM Oct 18, 2021Observed: 15.3 ft at 8:45AM Oct 18, 2021Observed: 15.3 ft at 9:00AM Oct 18, 2021Observed: 15.3 ft at 9:15AM Oct 18, 2021Observed: 15.3 ft at 9:30AM Oct 18, 2021Observed: 15.3 ft at 9:45AM Oct 18, 2021Observed: 15.29 ft at 10:00AM Oct 18, 2021Observed: 15.31 ft at 10:15AM Oct 18, 2021Observed: 15.25 ft at 10:30AM Oct 18, 2021Observed: 15.31 ft at 10:45AM Oct 18, 2021Observed: 15.26 ft at 12:00PM Oct 18, 2021Observed: 15.29 ft at 12:15PM Oct 18, 2021Observed: 15.26 ft at 12:30PM Oct 18, 2021Observed: 15.3 ft at 12:45PM Oct 18, 2021Observed: 15.34 ft at 1:00PM Oct 18, 2021Observed: 15.27 ft at 1:15PM Oct 18, 2021Observed: 15.23 ft at 1:30PM Oct 18, 2021Observed: 15.24 ft at 1:45PM Oct 18, 2021Observed: 15.26 ft at 2:00PM Oct 18, 2021Observed: 15.25 ft at 2:15PM Oct 18, 2021Observed: 15.3 ft at 2:30PM Oct 18, 2021Observed: 15.24 ft at 2:45PM Oct 18, 2021Observed: 15.25 ft at 3:00PM Oct 18, 2021Observed: 15.23 ft at 3:15PM Oct 18, 2021Observed: 15.24 ft at 3:30PM Oct 18, 2021Observed: 15.24 ft at 3:45PM Oct 18, 2021Observed: 15.24 ft at 4:00PM Oct 18, 2021Observed: 15.23 ft at 4:15PM Oct 18, 2021Observed: 15.25 ft at 4:30PM Oct 18, 2021Observed: 15.23 ft at 4:45PM Oct 18, 2021Observed: 15.21 ft at 5:00PM Oct 18, 2021Observed: 15.23 ft at 5:15PM Oct 18, 2021Observed: 15.23 ft at 5:30PM Oct 18, 2021Observed: 15.24 ft at 5:45PM Oct 18, 2021Observed: 15.25 ft at 6:00PM Oct 18, 2021Observed: 15.25 ft at 6:15PM Oct 18, 2021Observed: 15.25 ft at 6:30PM Oct 18, 2021Observed: 15.25 ft at 6:45PM Oct 18, 2021Observed: 15.25 ft at 7:00PM Oct 18, 2021Observed: 15.25 ft at 7:15PM Oct 18, 2021Observed: 15.25 ft at 7:30PM Oct 18, 2021Observed: 15.31 ft at 7:45PM Oct 18, 2021Observed: 15.27 ft at 8:00PM Oct 18, 2021Observed: 15.25 ft at 8:15PM Oct 18, 2021Observed: 15.25 ft at 8:30PM Oct 18, 2021Observed: 15.25 ft at 8:45PM Oct 18, 2021Observed: 15.24 ft at 9:00PM Oct 18, 2021Observed: 15.24 ft at 9:15PM Oct 18, 2021Observed: 15.23 ft at 9:30PM Oct 18, 2021Observed: 15.24 ft at 9:45PM Oct 18, 2021Observed: 15.23 ft at 10:00PM Oct 18, 2021Observed: 15.24 ft at 10:15PM Oct 18, 2021Observed: 15.23 ft at 10:30PM Oct 18, 2021Observed: 15.24 ft at 10:45PM Oct 18, 2021Observed: 15.24 ft at 11:00PM Oct 18, 2021Observed: 15.24 ft at 11:15PM Oct 18, 2021Observed: 15.24 ft at 11:30PM Oct 18, 2021Observed: 15.24 ft at 11:45PM Oct 18, 2021Observed: 15.24 ft at 12:00AM Oct 19, 2021Observed: 15.24 ft at 12:15AM Oct 19, 2021Observed: 15.24 ft at 12:30AM Oct 19, 2021Observed: 15.24 ft at 12:45AM Oct 19, 2021Observed: 15.24 ft at 1:00AM Oct 19, 2021Observed: 15.24 ft at 1:15AM Oct 19, 2021Observed: 15.24 ft at 1:30AM Oct 19, 2021Observed: 15.24 ft at 1:45AM Oct 19, 2021Observed: 15.25 ft at 2:00AM Oct 19, 2021Observed: 15.26 ft at 2:15AM Oct 19, 2021Observed: 15.26 ft at 2:30AM Oct 19, 2021Observed: 15.24 ft at 2:45AM Oct 19, 2021Observed: 15.26 ft at 3:00AM Oct 19, 2021Observed: 15.25 ft at 3:15AM Oct 19, 2021Observed: 15.25 ft at 3:30AM Oct 19, 2021Observed: 15.25 ft at 3:45AM Oct 19, 2021Observed: 15.24 ft at 4:00AM Oct 19, 2021Observed: 15.26 ft at 4:15AM Oct 19, 2021Observed: 15.26 ft at 4:30AM Oct 19, 2021Observed: 15.26 ft at 4:45AM Oct 19, 2021Observed: 15.26 ft at 5:00AM Oct 19, 2021Observed: 15.26 ft at 5:15AM Oct 19, 2021Observed: 15.27 ft at 5:30AM Oct 19, 2021Observed: 15.27 ft at 5:45AM Oct 19, 2021Observed: 15.27 ft at 6:00AM Oct 19, 2021Observed: 15.28 ft at 6:15AM Oct 19, 2021Observed: 15.28 ft at 6:30AM Oct 19, 2021Observed: 15.28 ft at 6:45AM Oct 19, 2021Observed: 15.28 ft at 7:00AM Oct 19, 2021Observed: 15.28 ft at 7:15AM Oct 19, 2021Observed: 15.28 ft at 7:30AM Oct 19, 2021Observed: 15.28 ft at 7:45AM Oct 19, 2021Observed: 15.28 ft at 8:00AM Oct 19, 2021Observed: 15.29 ft at 8:15AM Oct 19, 2021Observed: 15.29 ft at 8:30AM Oct 19, 2021Observed: 15.27 ft at 8:45AM Oct 19, 2021Observed: 15.29 ft at 9:00AM Oct 19, 2021Observed: 15.3 ft at 9:15AM Oct 19, 2021Observed: 15.25 ft at 9:30AM Oct 19, 2021Observed: 15.28 ft at 9:45AM Oct 19, 2021Observed: 15.25 ft at 10:00AM Oct 19, 2021Observed: 15.29 ft at 10:15AM Oct 19, 2021Observed: 15.27 ft at 10:30AM Oct 19, 2021Observed: 15.28 ft at 10:45AM Oct 19, 2021Observed: 15.29 ft at 11:00AM Oct 19, 2021Observed: 15.3 ft at 11:15AM Oct 19, 2021Observed: 15.3 ft at 11:30AM Oct 19, 2021Observed: 15.31 ft at 11:45AM Oct 19, 2021Observed: 15.27 ft at 1:00PM Oct 19, 2021Observed: 15.27 ft at 1:15PM Oct 19, 2021Observed: 15.27 ft at 1:30PM Oct 19, 2021Observed: 15.28 ft at 1:45PM Oct 19, 2021Observed: 15.27 ft at 2:00PM Oct 19, 2021Observed: 15.35 ft at 2:15PM Oct 19, 2021Observed: 15.3 ft at 2:30PM Oct 19, 2021Observed: 15.28 ft at 2:45PM Oct 19, 2021Observed: 15.3 ft at 3:00PM Oct 19, 2021Observed: 15.29 ft at 3:15PM Oct 19, 2021Observed: 15.3 ft at 3:30PM Oct 19, 2021Observed: 15.29 ft at 3:45PM Oct 19, 2021Observed: 15.31 ft at 4:00PM Oct 19, 2021Observed: 15.28 ft at 4:15PM Oct 19, 2021Observed: 15.3 ft at 4:30PM Oct 19, 2021Observed: 15.29 ft at 4:45PM Oct 19, 2021Observed: 15.31 ft at 5:00PM Oct 19, 2021Observed: 15.32 ft at 5:15PM Oct 19, 2021Observed: 15.3 ft at 5:30PM Oct 19, 2021Observed: 15.33 ft at 5:45PM Oct 19, 2021Observed: 15.32 ft at 6:00PM Oct 19, 2021Observed: 15.33 ft at 6:15PM Oct 19, 2021Observed: 15.36 ft at 6:30PM Oct 19, 2021Observed: 15.36 ft at 6:45PM Oct 19, 2021Observed: 15.37 ft at 7:00PM Oct 19, 2021Observed: 15.34 ft at 7:15PM Oct 19, 2021Observed: 15.32 ft at 7:30PM Oct 19, 2021Observed: 15.36 ft at 7:45PM Oct 19, 2021Observed: 15.33 ft at 8:00PM Oct 19, 2021Observed: 15.32 ft at 8:15PM Oct 19, 2021Observed: 15.35 ft at 8:30PM Oct 19, 2021Observed: 15.33 ft at 8:45PM Oct 19, 2021Observed: 15.35 ft at 9:00PM Oct 19, 2021Observed: 15.31 ft at 9:15PM Oct 19, 2021Observed: 15.27 ft at 9:30PM Oct 19, 2021Observed: 15.29 ft at 9:45PM Oct 19, 2021Observed: 15.29 ft at 10:00PM Oct 19, 2021Observed: 15.3 ft at 10:15PM Oct 19, 2021Observed: 15.3 ft at 10:30PM Oct 19, 2021Observed: 15.31 ft at 10:45PM Oct 19, 2021Observed: 15.3 ft at 11:00PM Oct 19, 2021Observed: 15.28 ft at 11:15PM Oct 19, 2021Observed: 15.29 ft at 11:30PM Oct 19, 2021Observed: 15.28 ft at 11:45PM Oct 19, 2021Observed: 15.28 ft at 12:00AM Oct 20, 2021Observed: 15.27 ft at 12:15AM Oct 20, 2021Observed: 15.27 ft at 12:30AM Oct 20, 2021Observed: 15.28 ft at 12:45AM Oct 20, 2021Observed: 15.27 ft at 1:00AM Oct 20, 2021Observed: 15.27 ft at 1:15AM Oct 20, 2021Observed: 15.27 ft at 1:30AM Oct 20, 2021Observed: 15.28 ft at 1:45AM Oct 20, 2021Observed: 15.29 ft at 2:00AM Oct 20, 2021Observed: 15.32 ft at 2:15AM Oct 20, 2021Observed: 15.33 ft at 2:30AM Oct 20, 2021Observed: 15.39 ft at 2:45AM Oct 20, 2021Observed: 15.25 ft at 3:00AM Oct 20, 2021Observed: 15.29 ft at 3:15AM Oct 20, 2021Observed: 15.28 ft at 3:30AM Oct 20, 2021Observed: 15.28 ft at 3:45AM Oct 20, 2021Observed: 15.27 ft at 4:00AM Oct 20, 2021Observed: 15.27 ft at 4:15AM Oct 20, 2021Observed: 15.27 ft at 4:30AM Oct 20, 2021Observed: 15.26 ft at 4:45AM Oct 20, 2021Observed: 15.27 ft at 5:00AM Oct 20, 2021Observed: 15.28 ft at 5:15AM Oct 20, 2021Observed: 15.29 ft at 5:30AM Oct 20, 2021Observed: 15.27 ft at 5:45AM Oct 20, 2021Observed: 15.25 ft at 6:00AM Oct 20, 2021Observed: 15.25 ft at 6:15AM Oct 20, 2021Observed: 15.26 ft at 6:30AM Oct 20, 2021Observed: 15.26 ft at 6:45AM Oct 20, 2021Observed: 15.26 ft at 7:00AM Oct 20, 2021Observed: 15.26 ft at 7:15AM Oct 20, 2021Observed: 15.25 ft at 7:30AM Oct 20, 2021Observed: 15.25 ft at 7:45AM Oct 20, 2021Observed: 15.23 ft at 8:00AM Oct 20, 2021Observed: 15.24 ft at 8:15AM Oct 20, 2021Observed: 15.22 ft at 8:30AM Oct 20, 2021Observed: 15.23 ft at 8:45AM Oct 20, 2021Observed: 15.23 ft at 9:00AM Oct 20, 2021Observed: 15.22 ft at 9:15AM Oct 20, 2021Observed: 15.22 ft at 9:30AM Oct 20, 2021Observed: 15.22 ft at 9:45AM Oct 20, 2021Observed: 15.21 ft at 10:00AM Oct 20, 2021Observed: 15.21 ft at 10:15AM Oct 20, 2021Observed: 15.2 ft at 10:30AM Oct 20, 2021Observed: 15.23 ft at 10:45AM Oct 20, 2021Observed: 15.22 ft at 11:00AM Oct 20, 2021Observed: 15.18 ft at 11:15AM Oct 20, 2021Observed: 15.22 ft at 11:30AM Oct 20, 2021Observed: 15.24 ft at 11:45AM Oct 20, 2021Observed: 15.19 ft at 12:00PM Oct 20, 2021Observed: 15.2 ft at 12:15PM Oct 20, 2021Observed: 15.2 ft at 12:30PM Oct 20, 2021Observed: 15.22 ft at 12:45PM Oct 20, 2021Observed: 15.22 ft at 1:00PM Oct 20, 2021Observed: 15.21 ft at 1:15PM Oct 20, 2021Observed: 15.2 ft at 1:30PM Oct 20, 2021Observed: 15.18 ft at 1:45PM Oct 20, 2021Observed: 15.17 ft at 2:00PM Oct 20, 2021Observed: 15.2 ft at 2:15PM Oct 20, 2021Observed: 15.2 ft at 2:30PM Oct 20, 2021Observed: 15.16 ft at 2:45PM Oct 20, 2021Observed: 15.25 ft at 7:00PM Oct 20, 2021Observed: 15.28 ft at 7:15PM Oct 20, 2021Observed: 15.25 ft at 7:30PM Oct 20, 2021Observed: 15.25 ft at 7:45PM Oct 20, 2021Observed: 15.25 ft at 8:00PM Oct 20, 2021Observed: 15.24 ft at 8:15PM Oct 20, 2021Observed: 15.24 ft at 8:30PM Oct 20, 2021Observed: 15.24 ft at 8:45PM Oct 20, 2021Observed: 15.23 ft at 9:00PM Oct 20, 2021Observed: 15.21 ft at 9:15PM Oct 20, 2021Observed: 15.21 ft at 9:30PM Oct 20, 2021Observed: 15.19 ft at 9:45PM Oct 20, 2021Observed: 15.25 ft at 10:00PM Oct 20, 2021Observed: 15.21 ft at 10:15PM Oct 20, 2021Observed: 15.2 ft at 10:30PM Oct 20, 2021Observed: 15.21 ft at 10:45PM Oct 20, 2021Observed: 15.21 ft at 11:00PM Oct 20, 2021Observed: 15.19 ft at 11:15PM Oct 20, 2021Observed: 15.23 ft at 11:30PM Oct 20, 2021Observed: 15.27 ft at 11:45PM Oct 20, 2021Observed: 15.29 ft at 12:00AM Oct 21, 2021Observed: 15.29 ft at 12:15AM Oct 21, 2021Observed: 15.29 ft at 12:30AM Oct 21, 2021Observed: 15.3 ft at 12:45AM Oct 21, 2021Observed: 15.2 ft at 1:00AM Oct 21, 2021Observed: 15.24 ft at 1:15AM Oct 21, 2021Observed: 15.26 ft at 1:30AM Oct 21, 2021Observed: 15.25 ft at 1:45AM Oct 21, 2021Observed: 15.25 ft at 2:00AM Oct 21, 2021Observed: 15.23 ft at 2:15AM Oct 21, 2021Observed: 15.21 ft at 2:30AM Oct 21, 2021Observed: 15.23 ft at 2:45AM Oct 21, 2021Observed: 15.22 ft at 3:00AM Oct 21, 2021Observed: 15.21 ft at 3:15AM Oct 21, 2021Observed: 15.23 ft at 3:30AM Oct 21, 2021Observed: 15.22 ft at 3:45AM Oct 21, 2021Observed: 15.22 ft at 4:00AM Oct 21, 2021Observed: 15.21 ft at 4:15AM Oct 21, 2021Observed: 15.17 ft at 4:30AM Oct 21, 2021Observed: 15.19 ft at 4:45AM Oct 21, 2021Observed: 15.18 ft at 5:00AM Oct 21, 2021Observed: 15.21 ft at 5:15AM Oct 21, 2021Observed: 15.19 ft at 5:30AM Oct 21, 2021Observed: 15.18 ft at 5:45AM Oct 21, 2021Observed: 15.19 ft at 6:00AM Oct 21, 2021Observed: 15.19 ft at 6:15AM Oct 21, 2021Observed: 15.19 ft at 6:30AM Oct 21, 2021Observed: 15.22 ft at 6:45AM Oct 21, 2021Observed: 15.21 ft at 7:00AM Oct 21, 2021Observed: 15.21 ft at 7:15AM Oct 21, 2021Observed: 15.18 ft at 7:30AM Oct 21, 2021Observed: 15.17 ft at 7:45AM Oct 21, 2021Observed: 15.17 ft at 8:00AM Oct 21, 2021Observed: 15.16 ft at 8:15AM Oct 21, 2021Observed: 15.17 ft at 8:30AM Oct 21, 2021Observed: 15.15 ft at 8:45AM Oct 21, 2021Observed: 15.16 ft at 9:00AM Oct 21, 2021Observed: 15.15 ft at 9:15AM Oct 21, 2021Observed: 15.16 ft at 9:30AM Oct 21, 2021Observed: 15.12 ft at 9:45AM Oct 21, 2021Observed: 15.15 ft at 10:00AM Oct 21, 2021Observed: 15.15 ft at 10:15AM Oct 21, 2021Observed: 15.14 ft at 10:30AM Oct 21, 2021Observed: 15.16 ft at 10:45AM Oct 21, 2021Observed: 15.18 ft at 11:00AM Oct 21, 2021Observed: 15.14 ft at 11:15AM Oct 21, 2021Observed: 15.18 ft at 11:30AM Oct 21, 2021Observed: 15.17 ft at 11:45AM Oct 21, 2021Observed: 15.12 ft at 12:00PM Oct 21, 2021Observed: 15.15 ft at 12:15PM Oct 21, 2021Observed: 15.14 ft at 12:30PM Oct 21, 2021Observed: 15.16 ft at 12:45PM Oct 21, 2021Observed: 15.17 ft at 1:00PM Oct 21, 2021Observed: 15.16 ft at 1:15PM Oct 21, 2021Observed: 15.15 ft at 1:30PM Oct 21, 2021Observed: 15.13 ft at 1:45PM Oct 21, 2021Observed: 15.15 ft at 2:00PM Oct 21, 2021Observed: 15.12 ft at 2:15PM Oct 21, 2021Observed: 15.14 ft at 2:30PM Oct 21, 2021Observed: 15.1 ft at 2:45PM Oct 21, 2021Observed: 15.11 ft at 3:00PM Oct 21, 2021Observed: 15.12 ft at 3:15PM Oct 21, 2021Observed: 15.14 ft at 3:30PM Oct 21, 2021Observed: 15.14 ft at 3:45PM Oct 21, 2021Observed: 15.14 ft at 4:00PM Oct 21, 2021Observed: 15.16 ft at 4:15PM Oct 21, 2021Observed: 15.18 ft at 4:30PM Oct 21, 2021Observed: 15.16 ft at 4:45PM Oct 21, 2021Observed: 15.15 ft at 5:00PM Oct 21, 2021Observed: 15.14 ft at 5:15PM Oct 21, 2021Observed: 15.14 ft at 5:30PM Oct 21, 2021Observed: 15.16 ft at 5:45PM Oct 21, 2021Observed: 15.16 ft at 6:00PM Oct 21, 2021Observed: 15.17 ft at 6:15PM Oct 21, 2021Observed: 15.16 ft at 6:30PM Oct 21, 2021Observed: 15.13 ft at 6:45PM Oct 21, 2021Observed: 15.15 ft at 7:15PM Oct 21, 2021Observed: 15.2 ft at 7:30PM Oct 21, 2021Observed: 15.17 ft at 7:45PM Oct 21, 2021Observed: 15.17 ft at 8:00PM Oct 21, 2021Observed: 15.18 ft at 8:15PM Oct 21, 2021Observed: 15.15 ft at 8:30PM Oct 21, 2021Observed: 15.15 ft at 8:45PM Oct 21, 2021Observed: 15.16 ft at 9:00PM Oct 21, 2021Observed: 15.17 ft at 9:15PM Oct 21, 2021Observed: 15.16 ft at 9:30PM Oct 21, 2021Observed: 15.18 ft at 9:45PM Oct 21, 2021Observed: 15.18 ft at 10:00PM Oct 21, 2021Observed: 15.18 ft at 10:15PM Oct 21, 2021Observed: 15.17 ft at 10:30PM Oct 21, 2021Observed: 15.19 ft at 10:45PM Oct 21, 2021Observed: 15.18 ft at 11:00PM Oct 21, 2021Observed: 15.2 ft at 11:15PM Oct 21, 2021Observed: 15.2 ft at 11:30PM Oct 21, 2021Observed: 15.18 ft at 11:45PM Oct 21, 2021Observed: 15.19 ft at 12:00AM Oct 22, 2021Observed: 15.19 ft at 12:15AM Oct 22, 2021Observed: 15.19 ft at 12:30AM Oct 22, 2021Observed: 15.18 ft at 12:45AM Oct 22, 2021Observed: 15.17 ft at 1:00AM Oct 22, 2021Observed: 15.17 ft at 1:15AM Oct 22, 2021Observed: 15.18 ft at 1:30AM Oct 22, 2021Observed: 15.21 ft at 1:45AM Oct 22, 2021Observed: 15.2 ft at 2:00AM Oct 22, 2021Observed: 15.17 ft at 2:15AM Oct 22, 2021Observed: 15.17 ft at 2:30AM Oct 22, 2021Observed: 15.16 ft at 2:45AM Oct 22, 2021Observed: 15.15 ft at 3:00AM Oct 22, 2021Observed: 15.15 ft at 3:15AM Oct 22, 2021Observed: 15.14 ft at 3:30AM Oct 22, 2021Observed: 15.14 ft at 3:45AM Oct 22, 2021Observed: 15.13 ft at 4:00AM Oct 22, 2021Observed: 15.12 ft at 4:15AM Oct 22, 2021Observed: 15.12 ft at 4:30AM Oct 22, 2021Observed: 15.12 ft at 4:45AM Oct 22, 2021Observed: 15.12 ft at 5:00AM Oct 22, 2021Observed: 15.11 ft at 5:15AM Oct 22, 2021Observed: 15.11 ft at 5:30AM Oct 22, 2021Observed: 15.11 ft at 5:45AM Oct 22, 2021Observed: 15.1 ft at 6:00AM Oct 22, 2021Observed: 15.1 ft at 6:15AM Oct 22, 2021Observed: 15.09 ft at 6:30AM Oct 22, 2021Observed: 15.09 ft at 6:45AM Oct 22, 2021Observed: 15.09 ft at 7:00AM Oct 22, 2021Observed: 15.09 ft at 7:15AM Oct 22, 2021Observed: 15.08 ft at 7:30AM Oct 22, 2021Observed: 15.07 ft at 7:45AM Oct 22, 2021Observed: 15.07 ft at 8:00AM Oct 22, 2021Observed: 15.06 ft at 8:15AM Oct 22, 2021Observed: 15.06 ft at 8:30AM Oct 22, 2021Observed: 15.06 ft at 8:45AM Oct 22, 2021Observed: 15.05 ft at 9:00AM Oct 22, 2021Observed: 15.04 ft at 9:15AM Oct 22, 2021Observed: 15.04 ft at 9:30AM Oct 22, 2021Observed: 14.93 ft at 9:45AM Oct 22, 2021Observed: 15.04 ft at 10:00AM Oct 22, 2021Observed: 15.05 ft at 10:15AM Oct 22, 2021Observed: 15 ft at 10:30AM Oct 22, 2021Observed: 15.03 ft at 10:45AM Oct 22, 2021Observed: 15.01 ft at 11:00AM Oct 22, 2021Observed: 15 ft at 11:15AM Oct 22, 2021Observed: 15.03 ft at 11:30AM Oct 22, 2021Observed: 15.02 ft at 11:45AM Oct 22, 2021Observed: 15 ft at 12:00PM Oct 22, 2021Observed: 14.97 ft at 12:15PM Oct 22, 2021Observed: 14.98 ft at 12:30PM Oct 22, 2021Observed: 15 ft at 12:45PM Oct 22, 2021Observed: 14.98 ft at 1:00PM Oct 22, 2021Observed: 14.99 ft at 1:15PM Oct 22, 2021Observed: 14.97 ft at 1:30PM Oct 22, 2021Observed: 14.99 ft at 1:45PM Oct 22, 2021Observed: 14.95 ft at 2:00PM Oct 22, 2021Observed: 15.01 ft at 2:15PM Oct 22, 2021Observed: 14.99 ft at 2:30PM Oct 22, 2021Observed: 14.96 ft at 2:45PM Oct 22, 2021Observed: 14.95 ft at 3:00PM Oct 22, 2021Observed: 14.93 ft at 3:15PM Oct 22, 2021Observed: 14.91 ft at 3:30PM Oct 22, 2021Observed: 14.91 ft at 3:45PM Oct 22, 2021Observed: 14.93 ft at 4:00PM Oct 22, 2021Observed: 14.91 ft at 4:15PM Oct 22, 2021Observed: 14.88 ft at 4:30PM Oct 22, 2021Observed: 14.89 ft at 4:45PM Oct 22, 2021Observed: 14.9 ft at 5:00PM Oct 22, 2021Observed: 14.9 ft at 5:15PM Oct 22, 2021Observed: 14.91 ft at 5:30PM Oct 22, 2021Observed: 14.91 ft at 5:45PM Oct 22, 2021Observed: 14.9 ft at 6:00PM Oct 22, 2021Observed: 14.89 ft at 6:15PM Oct 22, 2021Observed: 14.88 ft at 6:30PM Oct 22, 2021Observed: 14.88 ft at 6:45PM Oct 22, 2021Observed: 14.9 ft at 7:00PM Oct 22, 2021Observed: 14.9 ft at 7:15PM Oct 22, 2021Observed: 14.88 ft at 7:30PM Oct 22, 2021Observed: 14.91 ft at 7:45PM Oct 22, 2021Observed: 14.88 ft at 8:00PM Oct 22, 2021Observed: 14.9 ft at 8:15PM Oct 22, 2021Observed: 14.91 ft at 8:30PM Oct 22, 2021Observed: 14.88 ft at 8:45PM Oct 22, 2021Observed: 14.89 ft at 9:00PM Oct 22, 2021Observed: 14.88 ft at 9:15PM Oct 22, 2021Observed: 14.91 ft at 9:30PM Oct 22, 2021Observed: 14.92 ft at 9:45PM Oct 22, 2021Observed: 14.93 ft at 10:00PM Oct 22, 2021Observed: 14.94 ft at 10:15PM Oct 22, 2021Observed: 14.94 ft at 10:30PM Oct 22, 2021Observed: 14.92 ft at 10:45PM Oct 22, 2021Observed: 14.94 ft at 11:00PM Oct 22, 2021Observed: 14.95 ft at 11:15PM Oct 22, 2021Observed: 14.9 ft at 11:30PM Oct 22, 2021Observed: 14.92 ft at 11:45PM Oct 22, 2021Observed: 14.9 ft at 12:00AM Oct 23, 2021Observed: 14.9 ft at 12:15AM Oct 23, 2021Observed: 14.9 ft at 12:30AM Oct 23, 2021Observed: 14.92 ft at 12:45AM Oct 23, 2021Observed: 14.86 ft at 1:00AM Oct 23, 2021Observed: 14.91 ft at 1:15AM Oct 23, 2021Observed: 14.88 ft at 1:30AM Oct 23, 2021Observed: 14.88 ft at 1:45AM Oct 23, 2021Observed: 14.88 ft at 2:00AM Oct 23, 2021Observed: 14.89 ft at 2:15AM Oct 23, 2021Observed: 14.89 ft at 2:30AM Oct 23, 2021Observed: 14.89 ft at 2:45AM Oct 23, 2021Observed: 14.88 ft at 3:00AM Oct 23, 2021Observed: 14.87 ft at 3:15AM Oct 23, 2021Observed: 14.87 ft at 3:30AM Oct 23, 2021Observed: 14.87 ft at 3:45AM Oct 23, 2021Observed: 14.88 ft at 4:00AM Oct 23, 2021Observed: 14.87 ft at 4:15AM Oct 23, 2021Observed: 14.87 ft at 4:30AM Oct 23, 2021Observed: 14.86 ft at 4:45AM Oct 23, 2021Observed: 14.87 ft at 5:00AM Oct 23, 2021Observed: 14.86 ft at 5:15AM Oct 23, 2021Observed: 14.85 ft at 5:30AM Oct 23, 2021Observed: 14.84 ft at 5:45AM Oct 23, 2021Observed: 14.83 ft at 6:00AM Oct 23, 2021Observed: 14.83 ft at 6:15AM Oct 23, 2021Observed: 14.82 ft at 6:30AM Oct 23, 2021Observed: 14.82 ft at 6:45AM Oct 23, 2021Observed: 14.81 ft at 7:00AM Oct 23, 2021Observed: 14.81 ft at 7:15AM Oct 23, 2021Observed: 14.81 ft at 7:30AM Oct 23, 2021Observed: 14.8 ft at 7:45AM Oct 23, 2021Observed: 14.81 ft at 8:00AM Oct 23, 2021Observed: 14.79 ft at 8:15AM Oct 23, 2021Observed: 14.78 ft at 8:30AM Oct 23, 2021Observed: 14.77 ft at 8:45AM Oct 23, 2021Observed: 14.75 ft at 9:00AM Oct 23, 2021Observed: 14.73 ft at 9:15AM Oct 23, 2021Observed: 14.72 ft at 9:30AM Oct 23, 2021Observed: 14.75 ft at 9:45AM Oct 23, 2021Observed: 14.71 ft at 10:00AM Oct 23, 2021Observed: 14.7 ft at 10:15AM Oct 23, 2021Observed: 14.69 ft at 10:30AM Oct 23, 2021Observed: 14.7 ft at 10:45AM Oct 23, 2021Observed: 14.66 ft at 11:00AM Oct 23, 2021Observed: 14.67 ft at 11:15AM Oct 23, 2021Observed: 14.7 ft at 11:30AM Oct 23, 2021Observed: 14.7 ft at 11:45AM Oct 23, 2021Observed: 14.7 ft at 12:00PM Oct 23, 2021Observed: 14.7 ft at 12:15PM Oct 23, 2021Observed: 14.68 ft at 12:30PM Oct 23, 2021Observed: 14.68 ft at 12:45PM Oct 23, 2021Observed: 14.69 ft at 1:00PM Oct 23, 2021Observed: 14.69 ft at 1:15PM Oct 23, 2021Observed: 14.73 ft at 1:30PM Oct 23, 2021Observed: 14.69 ft at 1:45PM Oct 23, 2021Observed: 14.71 ft at 2:00PM Oct 23, 2021Observed: 14.7 ft at 2:15PM Oct 23, 2021Observed: 14.7 ft at 2:30PM Oct 23, 2021Observed: 14.71 ft at 2:45PM Oct 23, 2021Observed: 14.71 ft at 3:00PM Oct 23, 2021Observed: 14.72 ft at 3:15PM Oct 23, 2021Observed: 14.72 ft at 3:30PM Oct 23, 2021Observed: 14.73 ft at 3:45PM Oct 23, 2021Observed: 14.59 ft at 4:00PM Oct 23, 2021Observed: 14.71 ft at 4:15PM Oct 23, 2021Observed: 14.7 ft at 4:30PM Oct 23, 2021Observed: 14.71 ft at 4:45PM Oct 23, 2021Observed: 14.7 ft at 5:00PM Oct 23, 2021Observed: 14.71 ft at 5:15PM Oct 23, 2021Observed: 14.7 ft at 5:30PM Oct 23, 2021Observed: 14.72 ft at 5:45PM Oct 23, 2021Observed: 14.71 ft at 6:00PM Oct 23, 2021Observed: 14.68 ft at 6:15PM Oct 23, 2021Observed: 14.71 ft at 6:30PM Oct 23, 2021Observed: 14.7 ft at 6:45PM Oct 23, 2021Observed: 14.7 ft at 7:00PM Oct 23, 2021Observed: 14.71 ft at 7:15PM Oct 23, 2021Observed: 14.7 ft at 7:30PM Oct 23, 2021Observed: 14.68 ft at 7:45PM Oct 23, 2021Observed: 14.67 ft at 8:00PM Oct 23, 2021Observed: 14.69 ft at 8:15PM Oct 23, 2021Observed: 14.7 ft at 8:30PM Oct 23, 2021Observed: 14.71 ft at 8:45PM Oct 23, 2021Observed: 14.71 ft at 9:00PM Oct 23, 2021Observed: 14.67 ft at 9:15PM Oct 23, 2021Observed: 14.7 ft at 9:30PM Oct 23, 2021Observed: 14.71 ft at 9:45PM Oct 23, 2021Observed: 14.71 ft at 10:00PM Oct 23, 2021Observed: 14.71 ft at 10:15PM Oct 23, 2021Observed: 14.71 ft at 10:30PM Oct 23, 2021Observed: 14.71 ft at 10:45PM Oct 23, 2021Observed: 14.71 ft at 11:00PM Oct 23, 2021Observed: 14.71 ft at 11:15PM Oct 23, 2021Observed: 14.71 ft at 11:30PM Oct 23, 2021Observed: 14.71 ft at 11:45PM Oct 23, 2021Observed: 14.69 ft at 12:00AM Oct 24, 2021Observed: 14.68 ft at 12:15AM Oct 24, 2021Observed: 14.68 ft at 12:30AM Oct 24, 2021Observed: 14.69 ft at 12:45AM Oct 24, 2021Observed: 14.7 ft at 1:00AM Oct 24, 2021Observed: 14.69 ft at 1:15AM Oct 24, 2021Observed: 14.69 ft at 1:30AM Oct 24, 2021Observed: 14.69 ft at 1:45AM Oct 24, 2021Observed: 14.68 ft at 2:00AM Oct 24, 2021Observed: 14.68 ft at 2:15AM Oct 24, 2021Observed: 14.69 ft at 2:30AM Oct 24, 2021Observed: 14.68 ft at 2:45AM Oct 24, 2021Observed: 14.68 ft at 3:00AM Oct 24, 2021Observed: 14.67 ft at 3:15AM Oct 24, 2021Observed: 14.65 ft at 3:30AM Oct 24, 2021Observed: 14.66 ft at 3:45AM Oct 24, 2021Observed: 14.63 ft at 4:00AM Oct 24, 2021Observed: 14.63 ft at 4:15AM Oct 24, 2021Observed: 14.63 ft at 4:30AM Oct 24, 2021Observed: 14.63 ft at 4:45AM Oct 24, 2021Forecast: 14.7 ft 7:00AM Oct 24, 2021Forecast: 14.6 ft 1:00PM Oct 24, 2021Forecast: 14.6 ft 7:00PM Oct 24, 2021Forecast: 14.6 ft 1:00AM Oct 25, 2021Forecast: 14.7 ft 7:00AM Oct 25, 2021Forecast: 15 ft 1:00PM Oct 25, 2021Forecast: 15.3 ft 7:00PM Oct 25, 2021Forecast: 15.9 ft 1:00AM Oct 26, 2021Forecast: 16.4 ft 7:00AM Oct 26, 2021Forecast: 17.1 ft 1:00PM Oct 26, 2021Forecast: 17.8 ft 7:00PM Oct 26, 2021Forecast: 18.5 ft 1:00AM Oct 27, 2021Forecast: 19.1 ft 7:00AM Oct 27, 2021Forecast: 19.6 ft 1:00PM Oct 27, 2021Forecast: 20.1 ft 7:00PM Oct 27, 2021Forecast: 20.4 ft 1:00AM Oct 28, 2021Forecast: 20.7 ft 7:00AM Oct 28, 2021Highest Forecast: 20.8 ft 1:00PM Oct 28, 2021Highest Forecast: 20.8 ft 7:00PM Oct 28, 2021Highest Forecast: 20.8 ft 1:00AM Oct 29, 2021Forecast: 20.7 ft 7:00AM Oct 29, 2021Forecast: 20.7 ft 1:00PM Oct 29, 2021Forecast: 20.6 ft 7:00PM Oct 29, 2021Forecast: 20.5 ft 1:00AM Oct 30, 2021Forecast: 20.5 ft 7:00AM Oct 30, 2021Forecast: 20.4 ft 1:00PM Oct 30, 2021Forecast: 20.3 ft 7:00PM Oct 30, 2021USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (5:52AM Oct 24, 2021)ObservedForecast (issued 8:40PM Oct 23)Latest observed value: 14.63 ft at 4:45 AM CDT 24-Oct-2021. Flood Stage is 23 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
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: Forecasts for the Illinois River near Henry are issued routinely year-round.

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Upstream Gauge - near La Salle Upstream Gauge Downstream Gauge Downstream Gauge - at Chillicothe
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 24
Flood Stage: 23
Action Stage: 22
Low Stage (in feet): -9999

Historic Crests
(1) 32.94 ft on 04/22/2013
(2) 32.67 ft on 03/22/1979
(3) 32.20 ft on 05/23/1943
(4) 32.02 ft on 03/07/1985
(5) 31.62 ft on 05/21/2020 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.18 ft on 07/03/2021 (P)
(2) 31.62 ft on 05/21/2020 (P)
(3) 25.25 ft on 05/03/2020 (P)
(4) 22.57 ft on 01/18/2020 (P)
(5) 24.10 ft on 11/03/2019 (P)
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.
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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
32.5 Illinois Route 18 in Marshall County is closed. Parts of Illinois Route 17 between Sparland and Lacon are closed.
32 Water begins flooding parts of Illinois Route 18 between Henry and Illinois Route 26. Parts of Illinois Route 17 begin to flood.
30.5 The Marina building, Waterworks Park, and grain loading facility in Henry are flooded.
29.6 A few homes begin to flood in Henry.
28.5 Hennepin levee overtopped.
28 Flooding begins to affect buildings east of Illinois Route 29 in Sparland.
23 Water begins to affect the marina in Henry along with minor flooding of land adjacent to the river.
Photos
(1) Looking Downstream (Stage: 15.45 ft)
(2) Looking Upstream (Stage: 15.45 ft)
(3) Gauge House
About This Location Collapse

Latitude: 41.107222° N, Longitude: 89.356111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 23 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 29 425.88 ft 448.88 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
USGS Streamflow Duration Hydrograph
How low could the river get?
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Hydrologic Resources Additional Resources
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
Lincoln Weather Forecast Office
1362 State Route 10
Lincoln, IL 62656
(217) 732-3089
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