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Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Observed: 18.45 ft at 8:15PM Jun 16, 2018Observed: 18.44 ft at 8:45PM Jun 16, 2018Observed: 18.46 ft at 9:00PM Jun 16, 2018Observed: 18.44 ft at 9:15PM Jun 16, 2018Observed: 18.46 ft at 9:30PM Jun 16, 2018Observed: 18.41 ft at 9:45PM Jun 16, 2018Observed: 18.43 ft at 10:00PM Jun 16, 2018Observed: 18.43 ft at 10:15PM Jun 16, 2018Observed: 18.42 ft at 10:30PM Jun 16, 2018Observed: 18.42 ft at 10:45PM Jun 16, 2018Observed: 18.4 ft at 11:00PM Jun 16, 2018Observed: 18.4 ft at 11:15PM Jun 16, 2018Observed: 18.4 ft at 11:30PM Jun 16, 2018Observed: 18.39 ft at 11:45PM Jun 16, 2018Observed: 18.39 ft at 12:00AM Jun 17, 2018Observed: 18.38 ft at 12:15AM Jun 17, 2018Observed: 18.37 ft at 12:30AM Jun 17, 2018Observed: 18.37 ft at 12:45AM Jun 17, 2018Observed: 18.37 ft at 1:00AM Jun 17, 2018Observed: 18.36 ft at 1:15AM Jun 17, 2018Observed: 18.38 ft at 2:00AM Jun 17, 2018Observed: 18.35 ft at 2:15AM Jun 17, 2018Observed: 18.36 ft at 2:30AM Jun 17, 2018Observed: 18.36 ft at 2:45AM Jun 17, 2018Observed: 18.36 ft at 3:00AM Jun 17, 2018Observed: 18.36 ft at 3:15AM Jun 17, 2018Observed: 18.35 ft at 3:30AM Jun 17, 2018Observed: 18.35 ft at 3:45AM Jun 17, 2018Observed: 18.34 ft at 4:00AM Jun 17, 2018Observed: 18.34 ft at 4:15AM Jun 17, 2018Observed: 18.34 ft at 4:30AM Jun 17, 2018Observed: 18.33 ft at 4:45AM Jun 17, 2018Observed: 18.33 ft at 5:00AM Jun 17, 2018Observed: 18.33 ft at 5:15AM Jun 17, 2018Observed: 18.32 ft at 5:30AM Jun 17, 2018Observed: 18.33 ft at 5:45AM Jun 17, 2018Observed: 18.33 ft at 6:00AM Jun 17, 2018Observed: 18.32 ft at 6:15AM Jun 17, 2018Observed: 18.31 ft at 6:30AM Jun 17, 2018Observed: 18.31 ft at 6:45AM Jun 17, 2018Observed: 18.3 ft at 7:00AM Jun 17, 2018Observed: 18.3 ft at 7:15AM Jun 17, 2018Observed: 18.3 ft at 7:30AM Jun 17, 2018Observed: 18.29 ft at 7:45AM Jun 17, 2018Observed: 18.3 ft at 8:00AM Jun 17, 2018Observed: 18.29 ft at 8:15AM Jun 17, 2018Observed: 18.28 ft at 8:30AM Jun 17, 2018Observed: 18.29 ft at 8:45AM Jun 17, 2018Observed: 18.28 ft at 9:00AM Jun 17, 2018Observed: 18.28 ft at 9:15AM Jun 17, 2018Observed: 18.27 ft at 9:30AM Jun 17, 2018Observed: 18.27 ft at 9:45AM Jun 17, 2018Observed: 18.25 ft at 11:00AM Jun 17, 2018Observed: 18.24 ft at 11:15AM Jun 17, 2018Observed: 18.23 ft at 11:30AM Jun 17, 2018Observed: 18.25 ft at 11:45AM Jun 17, 2018Observed: 18.24 ft at 12:00PM Jun 17, 2018Observed: 18.25 ft at 12:15PM Jun 17, 2018Observed: 18.25 ft at 12:30PM Jun 17, 2018Observed: 18.25 ft at 12:45PM Jun 17, 2018Observed: 18.23 ft at 1:00PM Jun 17, 2018Observed: 18.24 ft at 1:15PM Jun 17, 2018Observed: 18.22 ft at 1:30PM Jun 17, 2018Observed: 18.21 ft at 1:45PM Jun 17, 2018Observed: 18.21 ft at 2:00PM Jun 17, 2018Observed: 18.21 ft at 2:15PM Jun 17, 2018Observed: 18.22 ft at 2:30PM Jun 17, 2018Observed: 18.22 ft at 2:45PM Jun 17, 2018Observed: 18.22 ft at 3:00PM Jun 17, 2018Observed: 18.22 ft at 3:15PM Jun 17, 2018Observed: 18.19 ft at 3:30PM Jun 17, 2018Observed: 18.18 ft at 3:45PM Jun 17, 2018Observed: 18.18 ft at 4:30PM Jun 17, 2018Observed: 18.17 ft at 4:45PM Jun 17, 2018Observed: 18.17 ft at 5:00PM Jun 17, 2018Observed: 18.17 ft at 5:15PM Jun 17, 2018Observed: 18.17 ft at 5:30PM Jun 17, 2018Observed: 18.16 ft at 5:45PM Jun 17, 2018Observed: 18.15 ft at 6:00PM Jun 17, 2018Observed: 18.15 ft at 6:45PM Jun 17, 2018Observed: 18.13 ft at 7:00PM Jun 17, 2018Observed: 18.16 ft at 7:15PM Jun 17, 2018Observed: 18.15 ft at 7:30PM Jun 17, 2018Observed: 18.11 ft at 7:45PM Jun 17, 2018Observed: 18.12 ft at 8:00PM Jun 17, 2018Observed: 18.12 ft at 8:15PM Jun 17, 2018Observed: 18.11 ft at 8:30PM Jun 17, 2018Observed: 18.11 ft at 9:15PM Jun 17, 2018Observed: 18.11 ft at 9:30PM Jun 17, 2018Observed: 18.1 ft at 10:00PM Jun 17, 2018Observed: 18.09 ft at 10:15PM Jun 17, 2018Observed: 18.1 ft at 10:30PM Jun 17, 2018Observed: 18.1 ft at 10:45PM Jun 17, 2018Observed: 18.09 ft at 11:00PM Jun 17, 2018Observed: 18.09 ft at 11:15PM Jun 17, 2018Observed: 18.09 ft at 11:30PM Jun 17, 2018Observed: 18.09 ft at 12:00AM Jun 18, 2018Observed: 18.07 ft at 12:15AM Jun 18, 2018Observed: 18.08 ft at 12:30AM Jun 18, 2018Observed: 18.07 ft at 12:45AM Jun 18, 2018Observed: 18.07 ft at 1:00AM Jun 18, 2018Observed: 18.05 ft at 1:15AM Jun 18, 2018Observed: 18.05 ft at 1:30AM Jun 18, 2018Observed: 18.05 ft at 1:45AM Jun 18, 2018Observed: 18.06 ft at 2:00AM Jun 18, 2018Observed: 18.06 ft at 2:15AM Jun 18, 2018Observed: 18.04 ft at 2:30AM Jun 18, 2018Observed: 18.03 ft at 2:45AM Jun 18, 2018Observed: 18.05 ft at 3:00AM Jun 18, 2018Observed: 18.04 ft at 3:15AM Jun 18, 2018Observed: 18.04 ft at 3:30AM Jun 18, 2018Observed: 18.03 ft at 3:45AM Jun 18, 2018Observed: 18.03 ft at 4:00AM Jun 18, 2018Observed: 18.03 ft at 4:15AM Jun 18, 2018Observed: 18.02 ft at 4:30AM Jun 18, 2018Observed: 18.02 ft at 4:45AM Jun 18, 2018Observed: 18.02 ft at 5:00AM Jun 18, 2018Observed: 18.01 ft at 5:15AM Jun 18, 2018Observed: 18.02 ft at 5:30AM Jun 18, 2018Observed: 18.02 ft at 5:45AM Jun 18, 2018Observed: 18.01 ft at 6:00AM Jun 18, 2018Observed: 18.01 ft at 6:15AM Jun 18, 2018Observed: 18 ft at 6:30AM Jun 18, 2018Observed: 18 ft at 6:45AM Jun 18, 2018Observed: 17.99 ft at 7:00AM Jun 18, 2018Observed: 17.98 ft at 7:15AM Jun 18, 2018Observed: 18 ft at 7:30AM Jun 18, 2018Observed: 17.99 ft at 7:45AM Jun 18, 2018Observed: 17.99 ft at 8:00AM Jun 18, 2018Observed: 17.99 ft at 8:15AM Jun 18, 2018Observed: 17.97 ft at 8:30AM Jun 18, 2018Observed: 17.98 ft at 8:45AM Jun 18, 2018Observed: 17.98 ft at 9:00AM Jun 18, 2018Observed: 17.97 ft at 9:15AM Jun 18, 2018Observed: 17.97 ft at 9:30AM Jun 18, 2018Observed: 17.98 ft at 9:45AM Jun 18, 2018Observed: 17.97 ft at 10:00AM Jun 18, 2018Observed: 17.96 ft at 10:15AM Jun 18, 2018Observed: 17.96 ft at 10:30AM Jun 18, 2018Observed: 17.95 ft at 10:45AM Jun 18, 2018Observed: 17.95 ft at 11:00AM Jun 18, 2018Observed: 17.93 ft at 11:30AM Jun 18, 2018Observed: 17.93 ft at 12:00PM Jun 18, 2018Observed: 17.92 ft at 12:15PM Jun 18, 2018Observed: 17.92 ft at 12:30PM Jun 18, 2018Observed: 17.9 ft at 12:45PM Jun 18, 2018Observed: 17.92 ft at 1:00PM Jun 18, 2018Observed: 17.9 ft at 1:15PM Jun 18, 2018Observed: 17.9 ft at 1:30PM Jun 18, 2018Observed: 17.9 ft at 1:45PM Jun 18, 2018Observed: 17.88 ft at 2:00PM Jun 18, 2018Observed: 17.89 ft at 2:15PM Jun 18, 2018Observed: 17.87 ft at 2:30PM Jun 18, 2018Observed: 17.87 ft at 3:00PM Jun 18, 2018Observed: 17.88 ft at 3:15PM Jun 18, 2018Observed: 17.87 ft at 3:30PM Jun 18, 2018Observed: 17.89 ft at 3:45PM Jun 18, 2018Observed: 17.88 ft at 4:00PM Jun 18, 2018Observed: 17.9 ft at 4:15PM Jun 18, 2018Observed: 17.89 ft at 4:30PM Jun 18, 2018Observed: 17.86 ft at 4:45PM Jun 18, 2018Observed: 17.85 ft at 5:00PM Jun 18, 2018Observed: 17.87 ft at 5:15PM Jun 18, 2018Observed: 17.86 ft at 5:30PM Jun 18, 2018Observed: 17.83 ft at 5:45PM Jun 18, 2018Observed: 17.83 ft at 6:00PM Jun 18, 2018Observed: 17.86 ft at 6:15PM Jun 18, 2018Observed: 17.83 ft at 6:30PM Jun 18, 2018Observed: 17.85 ft at 6:45PM Jun 18, 2018Observed: 17.84 ft at 7:00PM Jun 18, 2018Observed: 17.83 ft at 7:15PM Jun 18, 2018Observed: 17.85 ft at 7:30PM Jun 18, 2018Observed: 17.85 ft at 7:45PM Jun 18, 2018Observed: 17.86 ft at 8:00PM Jun 18, 2018Observed: 17.82 ft at 8:15PM Jun 18, 2018Observed: 17.84 ft at 8:30PM Jun 18, 2018Observed: 17.83 ft at 8:45PM Jun 18, 2018Observed: 17.83 ft at 9:00PM Jun 18, 2018Observed: 17.83 ft at 9:15PM Jun 18, 2018Observed: 17.82 ft at 9:30PM Jun 18, 2018Observed: 17.83 ft at 9:45PM Jun 18, 2018Observed: 17.81 ft at 10:00PM Jun 18, 2018Observed: 17.81 ft at 10:15PM Jun 18, 2018Observed: 17.82 ft at 10:30PM Jun 18, 2018Observed: 17.81 ft at 10:45PM Jun 18, 2018Observed: 17.82 ft at 11:00PM Jun 18, 2018Observed: 17.82 ft at 11:15PM Jun 18, 2018Observed: 17.82 ft at 11:30PM Jun 18, 2018Observed: 17.8 ft at 11:45PM Jun 18, 2018Observed: 17.76 ft at 12:15AM Jun 19, 2018Observed: 17.74 ft at 1:00AM Jun 19, 2018Observed: 17.74 ft at 1:15AM Jun 19, 2018Observed: 17.74 ft at 1:30AM Jun 19, 2018Observed: 17.73 ft at 1:45AM Jun 19, 2018Observed: 17.73 ft at 2:30AM Jun 19, 2018Observed: 17.72 ft at 2:45AM Jun 19, 2018Observed: 17.73 ft at 3:00AM Jun 19, 2018Observed: 17.7 ft at 3:30AM Jun 19, 2018Observed: 17.7 ft at 3:45AM Jun 19, 2018Observed: 17.68 ft at 4:00AM Jun 19, 2018Observed: 17.68 ft at 4:15AM Jun 19, 2018Observed: 17.68 ft at 4:30AM Jun 19, 2018Observed: 17.68 ft at 4:45AM Jun 19, 2018Observed: 17.68 ft at 5:00AM Jun 19, 2018Observed: 17.67 ft at 5:15AM Jun 19, 2018Observed: 17.65 ft at 5:30AM Jun 19, 2018Observed: 17.64 ft at 5:45AM Jun 19, 2018Observed: 17.63 ft at 6:00AM Jun 19, 2018Observed: 17.63 ft at 6:15AM Jun 19, 2018Observed: 17.62 ft at 6:30AM Jun 19, 2018Observed: 17.62 ft at 6:45AM Jun 19, 2018Observed: 17.63 ft at 7:00AM Jun 19, 2018Observed: 17.62 ft at 7:15AM Jun 19, 2018Observed: 17.61 ft at 7:30AM Jun 19, 2018Observed: 17.61 ft at 7:45AM Jun 19, 2018Observed: 17.6 ft at 8:00AM Jun 19, 2018Observed: 17.61 ft at 8:15AM Jun 19, 2018Observed: 17.62 ft at 8:30AM Jun 19, 2018Observed: 17.58 ft at 8:45AM Jun 19, 2018Observed: 17.59 ft at 9:00AM Jun 19, 2018Observed: 17.59 ft at 9:15AM Jun 19, 2018Observed: 17.57 ft at 9:30AM Jun 19, 2018Observed: 17.56 ft at 9:45AM Jun 19, 2018Observed: 17.57 ft at 10:00AM Jun 19, 2018Observed: 17.55 ft at 10:15AM Jun 19, 2018Observed: 17.55 ft at 10:30AM Jun 19, 2018Observed: 17.54 ft at 10:45AM Jun 19, 2018Observed: 17.55 ft at 11:00AM Jun 19, 2018Observed: 17.55 ft at 11:15AM Jun 19, 2018Observed: 17.53 ft at 11:30AM Jun 19, 2018Observed: 17.51 ft at 11:45AM Jun 19, 2018Observed: 17.52 ft at 12:00PM Jun 19, 2018Observed: 17.52 ft at 12:15PM Jun 19, 2018Observed: 17.52 ft at 12:45PM Jun 19, 2018Observed: 17.49 ft at 1:00PM Jun 19, 2018Observed: 17.48 ft at 1:15PM Jun 19, 2018Observed: 17.48 ft at 1:45PM Jun 19, 2018Observed: 17.47 ft at 2:45PM Jun 19, 2018Observed: 17.47 ft at 3:00PM Jun 19, 2018Observed: 17.45 ft at 3:15PM Jun 19, 2018Observed: 17.47 ft at 3:30PM Jun 19, 2018Observed: 17.49 ft at 4:00PM Jun 19, 2018Observed: 17.48 ft at 4:15PM Jun 19, 2018Observed: 17.5 ft at 4:30PM Jun 19, 2018Observed: 17.47 ft at 6:00PM Jun 19, 2018Observed: 17.48 ft at 6:15PM Jun 19, 2018Observed: 17.51 ft at 6:30PM Jun 19, 2018Observed: 17.51 ft at 6:45PM Jun 19, 2018Observed: 17.49 ft at 7:00PM Jun 19, 2018Observed: 17.5 ft at 7:15PM Jun 19, 2018Observed: 17.49 ft at 7:30PM Jun 19, 2018Observed: 17.48 ft at 7:45PM Jun 19, 2018Observed: 17.48 ft at 8:00PM Jun 19, 2018Observed: 17.48 ft at 8:15PM Jun 19, 2018Observed: 17.48 ft at 8:30PM Jun 19, 2018Observed: 17.47 ft at 8:45PM Jun 19, 2018Observed: 17.49 ft at 9:00PM Jun 19, 2018Observed: 17.47 ft at 9:15PM Jun 19, 2018Observed: 17.45 ft at 9:30PM Jun 19, 2018Observed: 17.46 ft at 9:45PM Jun 19, 2018Observed: 17.45 ft at 10:00PM Jun 19, 2018Observed: 17.45 ft at 10:15PM Jun 19, 2018Observed: 17.44 ft at 10:30PM Jun 19, 2018Observed: 17.44 ft at 10:45PM Jun 19, 2018Observed: 17.44 ft at 11:00PM Jun 19, 2018Observed: 17.45 ft at 11:15PM Jun 19, 2018Observed: 17.45 ft at 11:30PM Jun 19, 2018Observed: 17.43 ft at 11:45PM Jun 19, 2018Observed: 17.44 ft at 12:00AM Jun 20, 2018Observed: 17.44 ft at 12:15AM Jun 20, 2018Observed: 17.44 ft at 12:30AM Jun 20, 2018Observed: 17.44 ft at 12:45AM Jun 20, 2018Observed: 17.45 ft at 1:15AM Jun 20, 2018Observed: 17.46 ft at 1:30AM Jun 20, 2018Observed: 17.45 ft at 1:45AM Jun 20, 2018Observed: 17.42 ft at 2:00AM Jun 20, 2018Observed: 17.41 ft at 2:15AM Jun 20, 2018Observed: 17.42 ft at 2:30AM Jun 20, 2018Observed: 17.42 ft at 2:45AM Jun 20, 2018Observed: 17.4 ft at 3:00AM Jun 20, 2018Observed: 17.43 ft at 3:30AM Jun 20, 2018Observed: 17.41 ft at 3:45AM Jun 20, 2018Observed: 17.38 ft at 4:00AM Jun 20, 2018Observed: 17.41 ft at 4:15AM Jun 20, 2018Observed: 17.37 ft at 4:30AM Jun 20, 2018Observed: 17.37 ft at 4:45AM Jun 20, 2018Observed: 17.37 ft at 5:00AM Jun 20, 2018Observed: 17.36 ft at 5:15AM Jun 20, 2018Observed: 17.37 ft at 5:30AM Jun 20, 2018Observed: 17.36 ft at 5:45AM Jun 20, 2018Observed: 17.34 ft at 6:00AM Jun 20, 2018Observed: 17.33 ft at 6:15AM Jun 20, 2018Observed: 17.34 ft at 6:30AM Jun 20, 2018Observed: 17.36 ft at 6:45AM Jun 20, 2018Observed: 17.36 ft at 7:00AM Jun 20, 2018Observed: 17.34 ft at 7:15AM Jun 20, 2018Observed: 17.35 ft at 7:30AM Jun 20, 2018Observed: 17.34 ft at 7:45AM Jun 20, 2018Observed: 17.34 ft at 8:00AM Jun 20, 2018Observed: 17.33 ft at 8:15AM Jun 20, 2018Observed: 17.34 ft at 8:30AM Jun 20, 2018Observed: 17.34 ft at 8:45AM Jun 20, 2018Observed: 17.33 ft at 9:00AM Jun 20, 2018Observed: 17.33 ft at 9:15AM Jun 20, 2018Observed: 17.34 ft at 9:30AM Jun 20, 2018Observed: 17.34 ft at 9:45AM Jun 20, 2018Observed: 17.35 ft at 10:00AM Jun 20, 2018Observed: 17.33 ft at 10:15AM Jun 20, 2018Observed: 17.32 ft at 10:30AM Jun 20, 2018Observed: 17.3 ft at 10:45AM Jun 20, 2018Observed: 17.33 ft at 11:00AM Jun 20, 2018Observed: 17.32 ft at 11:15AM Jun 20, 2018Observed: 17.31 ft at 11:30AM Jun 20, 2018Observed: 17.31 ft at 11:45AM Jun 20, 2018Observed: 17.32 ft at 12:00PM Jun 20, 2018Observed: 17.31 ft at 12:15PM Jun 20, 2018Observed: 17.31 ft at 12:30PM Jun 20, 2018Observed: 17.31 ft at 12:45PM Jun 20, 2018Observed: 17.29 ft at 1:00PM Jun 20, 2018Observed: 17.26 ft at 1:15PM Jun 20, 2018Observed: 17.29 ft at 1:30PM Jun 20, 2018Observed: 17.28 ft at 1:45PM Jun 20, 2018Observed: 17.29 ft at 2:00PM Jun 20, 2018Observed: 17.27 ft at 2:30PM Jun 20, 2018Observed: 17.25 ft at 2:45PM Jun 20, 2018Observed: 17.26 ft at 3:00PM Jun 20, 2018Observed: 17.24 ft at 3:15PM Jun 20, 2018Observed: 17.25 ft at 3:30PM Jun 20, 2018Observed: 17.23 ft at 3:45PM Jun 20, 2018Observed: 17.23 ft at 4:00PM Jun 20, 2018Observed: 17.24 ft at 4:15PM Jun 20, 2018Observed: 17.22 ft at 4:30PM Jun 20, 2018Observed: 17.24 ft at 4:45PM Jun 20, 2018Observed: 17.22 ft at 5:00PM Jun 20, 2018Observed: 17.23 ft at 5:15PM Jun 20, 2018Observed: 17.21 ft at 5:30PM Jun 20, 2018Observed: 17.23 ft at 5:45PM Jun 20, 2018Observed: 17.21 ft at 6:00PM Jun 20, 2018Observed: 17.2 ft at 6:15PM Jun 20, 2018Observed: 17.21 ft at 6:30PM Jun 20, 2018Observed: 17.22 ft at 6:45PM Jun 20, 2018Observed: 17.21 ft at 7:00PM Jun 20, 2018Observed: 17.22 ft at 7:15PM Jun 20, 2018Observed: 17.23 ft at 7:30PM Jun 20, 2018Observed: 17.22 ft at 7:45PM Jun 20, 2018Observed: 17.22 ft at 8:00PM Jun 20, 2018Observed: 17.2 ft at 8:15PM Jun 20, 2018Observed: 17.21 ft at 8:30PM Jun 20, 2018Observed: 17.25 ft at 9:15PM Jun 20, 2018Observed: 17.23 ft at 9:30PM Jun 20, 2018Observed: 17.24 ft at 9:45PM Jun 20, 2018Observed: 17.23 ft at 10:00PM Jun 20, 2018Observed: 17.25 ft at 10:15PM Jun 20, 2018Observed: 17.27 ft at 10:30PM Jun 20, 2018Observed: 17.28 ft at 10:45PM Jun 20, 2018Observed: 17.29 ft at 11:00PM Jun 20, 2018Observed: 17.29 ft at 11:15PM Jun 20, 2018Observed: 17.29 ft at 11:30PM Jun 20, 2018Observed: 17.29 ft at 11:45PM Jun 20, 2018Observed: 17.3 ft at 12:00AM Jun 21, 2018Observed: 17.31 ft at 12:15AM Jun 21, 2018Observed: 17.32 ft at 12:30AM Jun 21, 2018Observed: 17.33 ft at 12:45AM Jun 21, 2018Observed: 17.33 ft at 1:15AM Jun 21, 2018Observed: 17.31 ft at 1:30AM Jun 21, 2018Observed: 17.29 ft at 1:45AM Jun 21, 2018Observed: 17.33 ft at 2:00AM Jun 21, 2018Observed: 17.32 ft at 2:15AM Jun 21, 2018Observed: 17.32 ft at 2:45AM Jun 21, 2018Observed: 17.31 ft at 3:00AM Jun 21, 2018Observed: 17.32 ft at 3:15AM Jun 21, 2018Observed: 17.32 ft at 3:30AM Jun 21, 2018Observed: 17.33 ft at 3:45AM Jun 21, 2018Observed: 17.34 ft at 4:00AM Jun 21, 2018Observed: 17.33 ft at 4:15AM Jun 21, 2018Observed: 17.34 ft at 4:30AM Jun 21, 2018Observed: 17.33 ft at 4:45AM Jun 21, 2018Observed: 17.33 ft at 5:00AM Jun 21, 2018Observed: 17.33 ft at 5:15AM Jun 21, 2018Observed: 17.34 ft at 5:30AM Jun 21, 2018Observed: 17.34 ft at 5:45AM Jun 21, 2018Observed: 17.34 ft at 6:00AM Jun 21, 2018Observed: 17.34 ft at 6:15AM Jun 21, 2018Observed: 17.35 ft at 6:30AM Jun 21, 2018Observed: 17.34 ft at 6:45AM Jun 21, 2018Observed: 17.34 ft at 7:00AM Jun 21, 2018Observed: 17.34 ft at 7:15AM Jun 21, 2018Observed: 17.35 ft at 7:30AM Jun 21, 2018Observed: 17.35 ft at 7:45AM Jun 21, 2018Observed: 17.35 ft at 8:00AM Jun 21, 2018Observed: 17.35 ft at 8:15AM Jun 21, 2018Observed: 17.35 ft at 8:30AM Jun 21, 2018Observed: 17.36 ft at 8:45AM Jun 21, 2018Observed: 17.36 ft at 9:00AM Jun 21, 2018Observed: 17.35 ft at 9:15AM Jun 21, 2018Observed: 17.36 ft at 9:30AM Jun 21, 2018Observed: 17.37 ft at 9:45AM Jun 21, 2018Observed: 17.38 ft at 10:00AM Jun 21, 2018Observed: 17.38 ft at 10:15AM Jun 21, 2018Observed: 17.38 ft at 10:45AM Jun 21, 2018Observed: 17.37 ft at 11:00AM Jun 21, 2018Observed: 17.39 ft at 11:15AM Jun 21, 2018Observed: 17.39 ft at 11:30AM Jun 21, 2018Observed: 17.4 ft at 11:45AM Jun 21, 2018Observed: 17.4 ft at 12:00PM Jun 21, 2018Observed: 17.41 ft at 12:15PM Jun 21, 2018Observed: 17.4 ft at 12:30PM Jun 21, 2018Observed: 17.41 ft at 12:45PM Jun 21, 2018Observed: 17.41 ft at 1:00PM Jun 21, 2018Observed: 17.41 ft at 1:15PM Jun 21, 2018Observed: 17.42 ft at 1:30PM Jun 21, 2018Observed: 17.42 ft at 1:45PM Jun 21, 2018Observed: 17.42 ft at 2:00PM Jun 21, 2018Observed: 17.42 ft at 2:15PM Jun 21, 2018Observed: 17.43 ft at 2:30PM Jun 21, 2018Observed: 17.44 ft at 2:45PM Jun 21, 2018Observed: 17.43 ft at 3:00PM Jun 21, 2018Observed: 17.43 ft at 3:15PM Jun 21, 2018Observed: 17.45 ft at 3:30PM Jun 21, 2018Observed: 17.43 ft at 3:45PM Jun 21, 2018Observed: 17.47 ft at 4:00PM Jun 21, 2018Observed: 17.47 ft at 4:15PM Jun 21, 2018Observed: 17.44 ft at 4:30PM Jun 21, 2018Observed: 17.44 ft at 4:45PM Jun 21, 2018Observed: 17.45 ft at 5:00PM Jun 21, 2018Observed: 17.5 ft at 5:15PM Jun 21, 2018Observed: 17.48 ft at 5:30PM Jun 21, 2018Observed: 17.53 ft at 5:45PM Jun 21, 2018Observed: 17.51 ft at 6:00PM Jun 21, 2018Observed: 17.5 ft at 6:15PM Jun 21, 2018Observed: 17.52 ft at 6:30PM Jun 21, 2018Observed: 17.51 ft at 6:45PM Jun 21, 2018Observed: 17.51 ft at 7:00PM Jun 21, 2018Observed: 17.53 ft at 7:15PM Jun 21, 2018Observed: 17.55 ft at 7:30PM Jun 21, 2018Observed: 17.54 ft at 7:45PM Jun 21, 2018Observed: 17.54 ft at 8:00PM Jun 21, 2018Observed: 17.55 ft at 8:15PM Jun 21, 2018Observed: 17.54 ft at 8:30PM Jun 21, 2018Observed: 17.54 ft at 8:45PM Jun 21, 2018Observed: 17.56 ft at 9:00PM Jun 21, 2018Observed: 17.57 ft at 9:15PM Jun 21, 2018Observed: 17.58 ft at 9:30PM Jun 21, 2018Observed: 17.59 ft at 9:45PM Jun 21, 2018Observed: 17.6 ft at 10:00PM Jun 21, 2018Observed: 17.62 ft at 10:15PM Jun 21, 2018Observed: 17.61 ft at 10:30PM Jun 21, 2018Observed: 17.63 ft at 10:45PM Jun 21, 2018Observed: 17.64 ft at 11:00PM Jun 21, 2018Observed: 17.66 ft at 11:15PM Jun 21, 2018Observed: 17.67 ft at 11:30PM Jun 21, 2018Observed: 17.7 ft at 11:45PM Jun 21, 2018Observed: 17.69 ft at 12:00AM Jun 22, 2018Observed: 17.69 ft at 12:15AM Jun 22, 2018Observed: 17.7 ft at 12:30AM Jun 22, 2018Observed: 17.69 ft at 12:45AM Jun 22, 2018Observed: 17.72 ft at 1:00AM Jun 22, 2018Observed: 17.74 ft at 1:15AM Jun 22, 2018Observed: 17.79 ft at 1:30AM Jun 22, 2018Observed: 17.76 ft at 1:45AM Jun 22, 2018Observed: 17.76 ft at 2:00AM Jun 22, 2018Observed: 17.77 ft at 2:15AM Jun 22, 2018Observed: 17.77 ft at 2:30AM Jun 22, 2018Observed: 17.79 ft at 2:45AM Jun 22, 2018Observed: 17.8 ft at 3:00AM Jun 22, 2018Observed: 17.82 ft at 3:15AM Jun 22, 2018Observed: 17.83 ft at 3:30AM Jun 22, 2018Observed: 17.84 ft at 3:45AM Jun 22, 2018Observed: 17.85 ft at 4:00AM Jun 22, 2018Observed: 17.85 ft at 4:15AM Jun 22, 2018Observed: 17.86 ft at 4:30AM Jun 22, 2018Observed: 17.87 ft at 4:45AM Jun 22, 2018Observed: 17.89 ft at 5:00AM Jun 22, 2018Observed: 17.9 ft at 5:15AM Jun 22, 2018Observed: 17.91 ft at 5:30AM Jun 22, 2018Observed: 17.93 ft at 5:45AM Jun 22, 2018Observed: 17.93 ft at 6:00AM Jun 22, 2018Observed: 17.94 ft at 6:15AM Jun 22, 2018Observed: 17.95 ft at 6:30AM Jun 22, 2018Observed: 17.97 ft at 6:45AM Jun 22, 2018Observed: 17.97 ft at 7:00AM Jun 22, 2018Observed: 17.99 ft at 7:15AM Jun 22, 2018Observed: 18.01 ft at 7:30AM Jun 22, 2018Observed: 18.03 ft at 7:45AM Jun 22, 2018Observed: 18.02 ft at 8:00AM Jun 22, 2018Observed: 18.05 ft at 8:15AM Jun 22, 2018Observed: 18.06 ft at 8:30AM Jun 22, 2018Observed: 18.09 ft at 8:45AM Jun 22, 2018Observed: 18.1 ft at 9:00AM Jun 22, 2018Observed: 18.12 ft at 9:15AM Jun 22, 2018Observed: 18.12 ft at 9:30AM Jun 22, 2018Observed: 18.15 ft at 9:45AM Jun 22, 2018Observed: 18.17 ft at 10:00AM Jun 22, 2018Observed: 18.18 ft at 10:15AM Jun 22, 2018Observed: 18.2 ft at 10:30AM Jun 22, 2018Observed: 18.21 ft at 10:45AM Jun 22, 2018Observed: 18.25 ft at 11:00AM Jun 22, 2018Observed: 18.28 ft at 11:15AM Jun 22, 2018Observed: 18.27 ft at 11:30AM Jun 22, 2018Observed: 18.28 ft at 11:45AM Jun 22, 2018Observed: 18.3 ft at 12:00PM Jun 22, 2018Observed: 18.32 ft at 12:15PM Jun 22, 2018Observed: 18.34 ft at 12:30PM Jun 22, 2018Observed: 18.36 ft at 12:45PM Jun 22, 2018Observed: 18.37 ft at 1:00PM Jun 22, 2018Observed: 18.39 ft at 1:15PM Jun 22, 2018Observed: 18.4 ft at 1:30PM Jun 22, 2018Observed: 18.42 ft at 1:45PM Jun 22, 2018Observed: 18.45 ft at 2:00PM Jun 22, 2018Observed: 18.47 ft at 2:15PM Jun 22, 2018Observed: 18.48 ft at 2:30PM Jun 22, 2018Observed: 18.52 ft at 2:45PM Jun 22, 2018Observed: 18.53 ft at 3:00PM Jun 22, 2018Observed: 18.55 ft at 3:15PM Jun 22, 2018Observed: 18.58 ft at 3:30PM Jun 22, 2018Observed: 18.6 ft at 3:45PM Jun 22, 2018Observed: 18.62 ft at 4:00PM Jun 22, 2018Observed: 18.62 ft at 4:15PM Jun 22, 2018Observed: 18.64 ft at 4:30PM Jun 22, 2018Observed: 18.66 ft at 4:45PM Jun 22, 2018Observed: 18.68 ft at 5:00PM Jun 22, 2018Observed: 18.7 ft at 5:15PM Jun 22, 2018Observed: 18.72 ft at 5:30PM Jun 22, 2018Observed: 18.74 ft at 5:45PM Jun 22, 2018Observed: 18.75 ft at 6:00PM Jun 22, 2018Observed: 18.77 ft at 6:15PM Jun 22, 2018Observed: 18.8 ft at 6:30PM Jun 22, 2018Observed: 18.82 ft at 6:45PM Jun 22, 2018Observed: 18.83 ft at 7:00PM Jun 22, 2018Observed: 18.86 ft at 7:15PM Jun 22, 2018Observed: 18.88 ft at 7:30PM Jun 22, 2018Observed: 18.92 ft at 7:45PM Jun 22, 2018Observed: 18.9 ft at 8:00PM Jun 22, 2018Observed: 18.91 ft at 8:15PM Jun 22, 2018Observed: 18.94 ft at 8:30PM Jun 22, 2018Observed: 18.95 ft at 8:45PM Jun 22, 2018Observed: 18.99 ft at 9:00PM Jun 22, 2018Observed: 19.03 ft at 9:15PM Jun 22, 2018Observed: 18.99 ft at 9:30PM Jun 22, 2018Observed: 19.06 ft at 10:00PM Jun 22, 2018Observed: 19.07 ft at 10:15PM Jun 22, 2018Observed: 19.06 ft at 10:30PM Jun 22, 2018Observed: 19.09 ft at 10:45PM Jun 22, 2018Observed: 19.14 ft at 11:00PM Jun 22, 2018Observed: 19.14 ft at 11:30PM Jun 22, 2018Observed: 19.19 ft at 11:45PM Jun 22, 2018Observed: 19.2 ft at 12:00AM Jun 23, 2018Observed: 19.21 ft at 12:15AM Jun 23, 2018Observed: 19.22 ft at 12:30AM Jun 23, 2018Observed: 19.23 ft at 12:45AM Jun 23, 2018Observed: 19.27 ft at 1:00AM Jun 23, 2018Observed: 19.28 ft at 1:15AM Jun 23, 2018Observed: 19.3 ft at 1:30AM Jun 23, 2018Observed: 19.32 ft at 1:45AM Jun 23, 2018Observed: 19.33 ft at 2:00AM Jun 23, 2018Observed: 19.35 ft at 2:15AM Jun 23, 2018Observed: 19.37 ft at 2:30AM Jun 23, 2018Observed: 19.39 ft at 2:45AM Jun 23, 2018Observed: 19.41 ft at 3:00AM Jun 23, 2018Observed: 19.42 ft at 3:15AM Jun 23, 2018Observed: 19.44 ft at 3:30AM Jun 23, 2018Observed: 19.46 ft at 3:45AM Jun 23, 2018Observed: 19.5 ft at 4:00AM Jun 23, 2018Observed: 19.5 ft at 4:15AM Jun 23, 2018Observed: 19.52 ft at 4:30AM Jun 23, 2018Observed: 19.55 ft at 4:45AM Jun 23, 2018Observed: 19.56 ft at 5:00AM Jun 23, 2018Observed: 19.59 ft at 5:15AM Jun 23, 2018Observed: 19.62 ft at 5:30AM Jun 23, 2018Observed: 19.64 ft at 5:45AM Jun 23, 2018Observed: 19.65 ft at 6:00AM Jun 23, 2018Observed: 19.68 ft at 6:15AM Jun 23, 2018Observed: 19.69 ft at 6:30AM Jun 23, 2018Observed: 19.72 ft at 6:45AM Jun 23, 2018Observed: 19.73 ft at 7:00AM Jun 23, 2018Observed: 19.75 ft at 7:15AM Jun 23, 2018Observed: 19.78 ft at 7:30AM Jun 23, 2018Observed: 19.81 ft at 7:45AM Jun 23, 2018Observed: 19.81 ft at 8:00AM Jun 23, 2018Observed: 19.83 ft at 8:15AM Jun 23, 2018Observed: 19.84 ft at 8:30AM Jun 23, 2018Observed: 19.86 ft at 8:45AM Jun 23, 2018Observed: 19.88 ft at 9:00AM Jun 23, 2018Observed: 19.89 ft at 9:15AM Jun 23, 2018Observed: 19.92 ft at 9:30AM Jun 23, 2018Observed: 19.94 ft at 9:45AM Jun 23, 2018Observed: 19.95 ft at 10:00AM Jun 23, 2018Observed: 19.97 ft at 10:15AM Jun 23, 2018Observed: 19.99 ft at 10:30AM Jun 23, 2018Observed: 19.99 ft at 10:45AM Jun 23, 2018Observed: 20.03 ft at 11:00AM Jun 23, 2018Observed: 20.05 ft at 11:15AM Jun 23, 2018Observed: 20.07 ft at 11:30AM Jun 23, 2018Observed: 20.08 ft at 11:45AM Jun 23, 2018Observed: 20.1 ft at 12:00PM Jun 23, 2018Observed: 20.11 ft at 12:15PM Jun 23, 2018Observed: 20.15 ft at 12:30PM Jun 23, 2018Observed: 20.18 ft at 12:45PM Jun 23, 2018Observed: 20.17 ft at 1:00PM Jun 23, 2018Observed: 20.22 ft at 1:15PM Jun 23, 2018Observed: 20.22 ft at 1:30PM Jun 23, 2018Observed: 20.24 ft at 1:45PM Jun 23, 2018Observed: 20.18 ft at 2:00PM Jun 23, 2018Observed: 20.27 ft at 2:15PM Jun 23, 2018Observed: 20.29 ft at 2:30PM Jun 23, 2018Observed: 20.32 ft at 2:45PM Jun 23, 2018Observed: 20.32 ft at 3:00PM Jun 23, 2018Observed: 20.35 ft at 3:15PM Jun 23, 2018Observed: 20.37 ft at 3:30PM Jun 23, 2018Observed: 20.39 ft at 3:45PM Jun 23, 2018Observed: 20.39 ft at 4:00PM Jun 23, 2018Observed: 20.41 ft at 4:15PM Jun 23, 2018Observed: 20.43 ft at 4:30PM Jun 23, 2018Observed: 20.45 ft at 4:45PM Jun 23, 2018Observed: 20.46 ft at 5:00PM Jun 23, 2018Observed: 20.5 ft at 5:15PM Jun 23, 2018Observed: 20.5 ft at 5:30PM Jun 23, 2018Observed: 20.52 ft at 5:45PM Jun 23, 2018Observed: 20.54 ft at 6:00PM Jun 23, 2018Observed: 20.54 ft at 6:15PM Jun 23, 2018Observed: 20.56 ft at 6:30PM Jun 23, 2018Highest Observation: 20.57 ft at 6:45PM Jun 23, 2018Forecast: 21.4 ft 1:00AM Jun 24, 2018Forecast: 21.9 ft 7:00AM Jun 24, 2018Forecast: 22.3 ft 1:00PM Jun 24, 2018Forecast: 22.6 ft 7:00PM Jun 24, 2018Forecast: 22.9 ft 1:00AM Jun 25, 2018Forecast: 23.1 ft 7:00AM Jun 25, 2018Forecast: 23.3 ft 1:00PM Jun 25, 2018Forecast: 23.4 ft 7:00PM Jun 25, 2018Highest Forecast: 23.5 ft 1:00AM Jun 26, 2018Highest Forecast: 23.5 ft 7:00AM Jun 26, 2018Highest Forecast: 23.5 ft 1:00PM Jun 26, 2018Highest Forecast: 23.5 ft 7:00PM Jun 26, 2018Forecast: 23.4 ft 1:00AM Jun 27, 2018Forecast: 23.3 ft 7:00AM Jun 27, 2018Forecast: 23.1 ft 1:00PM Jun 27, 2018Forecast: 23 ft 7:00PM Jun 27, 2018Forecast: 22.9 ft 1:00AM Jun 28, 2018Forecast: 22.7 ft 7:00AM Jun 28, 2018Forecast: 22.6 ft 1:00PM Jun 28, 2018Forecast: 22.4 ft 7:00PM Jun 28, 2018Forecast: 22.3 ft 1:00AM Jun 29, 2018Forecast: 22.2 ft 7:00AM Jun 29, 2018Forecast: 22 ft 1:00PM Jun 29, 2018Forecast: 21.9 ft 7:00PM Jun 29, 2018Forecast: 21.7 ft 1:00AM Jun 30, 2018Forecast: 21.6 ft 7:00AM Jun 30, 2018USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (8:06PM Jun 23, 2018)ObservedForecast (issued 10:25AM Jun 23)Latest observed value: 20.57 ft at 6:45 PM CDT 23-Jun-2018. Flood Stage is 23 ft
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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 24 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) 32.87 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) 31.52 ft on 03/13/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 29.12 ft on 02/26/2018 (P)
(2) 26.95 ft on 05/04/2017 (P)
(3) 25.06 ft on 04/09/2017 (P)
(4) 29.78 ft on 01/02/2016
(5) 30.35 ft on 06/30/2015
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:15
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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 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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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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