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Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Highest Observation: 19.52 ft at 4:00AM May 15, 2022Observed: 19.51 ft at 4:15AM May 15, 2022Observed: 19.51 ft at 4:30AM May 15, 2022Observed: 19.5 ft at 4:45AM May 15, 2022Observed: 19.51 ft at 5:00AM May 15, 2022Observed: 19.5 ft at 5:15AM May 15, 2022Observed: 19.5 ft at 5:30AM May 15, 2022Observed: 19.49 ft at 5:45AM May 15, 2022Observed: 19.49 ft at 6:00AM May 15, 2022Observed: 19.48 ft at 6:15AM May 15, 2022Observed: 19.47 ft at 6:30AM May 15, 2022Observed: 19.45 ft at 6:45AM May 15, 2022Observed: 19.46 ft at 7:00AM May 15, 2022Observed: 19.45 ft at 7:15AM May 15, 2022Observed: 19.45 ft at 7:30AM May 15, 2022Observed: 19.44 ft at 7:45AM May 15, 2022Observed: 19.42 ft at 8:00AM May 15, 2022Observed: 19.42 ft at 8:15AM May 15, 2022Observed: 19.38 ft at 8:30AM May 15, 2022Observed: 19.4 ft at 8:45AM May 15, 2022Observed: 19.41 ft at 9:00AM May 15, 2022Observed: 19.41 ft at 9:15AM May 15, 2022Observed: 19.4 ft at 9:30AM May 15, 2022Observed: 19.41 ft at 9:45AM May 15, 2022Observed: 19.38 ft at 10:00AM May 15, 2022Observed: 19.38 ft at 10:15AM May 15, 2022Observed: 19.38 ft at 10:30AM May 15, 2022Observed: 19.38 ft at 10:45AM May 15, 2022Observed: 19.37 ft at 11:00AM May 15, 2022Observed: 19.37 ft at 11:15AM May 15, 2022Observed: 19.37 ft at 11:30AM May 15, 2022Observed: 19.34 ft at 11:45AM May 15, 2022Observed: 19.35 ft at 12:00PM May 15, 2022Observed: 19.35 ft at 12:15PM May 15, 2022Observed: 19.33 ft at 12:30PM May 15, 2022Observed: 19.33 ft at 12:45PM May 15, 2022Observed: 19.33 ft at 1:00PM May 15, 2022Observed: 19.34 ft at 1:15PM May 15, 2022Observed: 19.34 ft at 1:30PM May 15, 2022Observed: 19.34 ft at 1:45PM May 15, 2022Observed: 19.34 ft at 2:00PM May 15, 2022Observed: 19.33 ft at 2:15PM May 15, 2022Observed: 19.33 ft at 2:30PM May 15, 2022Observed: 19.33 ft at 2:45PM May 15, 2022Observed: 19.33 ft at 3:00PM May 15, 2022Observed: 19.33 ft at 3:15PM May 15, 2022Observed: 19.32 ft at 3:30PM May 15, 2022Observed: 19.32 ft at 3:45PM May 15, 2022Observed: 19.31 ft at 4:00PM May 15, 2022Observed: 19.3 ft at 4:15PM May 15, 2022Observed: 19.28 ft at 4:30PM May 15, 2022Observed: 19.28 ft at 4:45PM May 15, 2022Observed: 19.28 ft at 5:00PM May 15, 2022Observed: 19.31 ft at 5:15PM May 15, 2022Observed: 19.28 ft at 5:30PM May 15, 2022Observed: 19.26 ft at 5:45PM May 15, 2022Observed: 19.28 ft at 6:00PM May 15, 2022Observed: 19.26 ft at 6:15PM May 15, 2022Observed: 19.26 ft at 6:30PM May 15, 2022Observed: 19.25 ft at 6:45PM May 15, 2022Observed: 19.24 ft at 7:00PM May 15, 2022Observed: 19.22 ft at 7:15PM May 15, 2022Observed: 19.23 ft at 7:30PM May 15, 2022Observed: 19.23 ft at 7:45PM May 15, 2022Observed: 19.24 ft at 8:00PM May 15, 2022Observed: 19.22 ft at 8:15PM May 15, 2022Observed: 19.23 ft at 8:30PM May 15, 2022Observed: 19.18 ft at 8:45PM May 15, 2022Observed: 19.17 ft at 9:00PM May 15, 2022Observed: 19.17 ft at 9:15PM May 15, 2022Observed: 19.16 ft at 9:30PM May 15, 2022Observed: 19.17 ft at 9:45PM May 15, 2022Observed: 19.17 ft at 10:00PM May 15, 2022Observed: 19.17 ft at 10:15PM May 15, 2022Observed: 19.16 ft at 10:30PM May 15, 2022Observed: 19.16 ft at 10:45PM May 15, 2022Observed: 19.16 ft at 11:00PM May 15, 2022Observed: 19.16 ft at 11:15PM May 15, 2022Observed: 19.17 ft at 11:30PM May 15, 2022Observed: 19.15 ft at 11:45PM May 15, 2022Observed: 19.15 ft at 12:00AM May 16, 2022Observed: 19.15 ft at 12:15AM May 16, 2022Observed: 19.15 ft at 12:30AM May 16, 2022Observed: 19.14 ft at 12:45AM May 16, 2022Observed: 19.14 ft at 1:00AM May 16, 2022Observed: 19.15 ft at 1:15AM May 16, 2022Observed: 19.14 ft at 1:30AM May 16, 2022Observed: 19.14 ft at 1:45AM May 16, 2022Observed: 19.14 ft at 2:00AM May 16, 2022Observed: 19.14 ft at 2:15AM May 16, 2022Observed: 19.13 ft at 2:30AM May 16, 2022Observed: 19.13 ft at 2:45AM May 16, 2022Observed: 19.14 ft at 3:00AM May 16, 2022Observed: 19.12 ft at 3:15AM May 16, 2022Observed: 19.12 ft at 3:30AM May 16, 2022Observed: 19.12 ft at 3:45AM May 16, 2022Observed: 19.11 ft at 4:00AM May 16, 2022Observed: 19.12 ft at 4:15AM May 16, 2022Observed: 19.12 ft at 4:30AM May 16, 2022Observed: 19.11 ft at 4:45AM May 16, 2022Observed: 19.11 ft at 5:00AM May 16, 2022Observed: 19.11 ft at 5:15AM May 16, 2022Observed: 19.09 ft at 5:30AM May 16, 2022Observed: 19.1 ft at 5:45AM May 16, 2022Observed: 19.1 ft at 6:00AM May 16, 2022Observed: 19.1 ft at 6:15AM May 16, 2022Observed: 19.09 ft at 6:30AM May 16, 2022Observed: 19.09 ft at 6:45AM May 16, 2022Observed: 19.08 ft at 7:00AM May 16, 2022Observed: 19.08 ft at 7:15AM May 16, 2022Observed: 19.08 ft at 7:30AM May 16, 2022Observed: 19.09 ft at 7:45AM May 16, 2022Observed: 19.1 ft at 8:00AM May 16, 2022Observed: 19.06 ft at 8:15AM May 16, 2022Observed: 19.05 ft at 8:30AM May 16, 2022Observed: 19.05 ft at 8:45AM May 16, 2022Observed: 19.03 ft at 9:00AM May 16, 2022Observed: 19.03 ft at 9:15AM May 16, 2022Observed: 19.06 ft at 9:30AM May 16, 2022Observed: 19.02 ft at 9:45AM May 16, 2022Observed: 19.02 ft at 11:00AM May 16, 2022Observed: 18.99 ft at 11:15AM May 16, 2022Observed: 18.98 ft at 11:30AM May 16, 2022Observed: 18.97 ft at 11:45AM May 16, 2022Observed: 18.96 ft at 12:00PM May 16, 2022Observed: 18.96 ft at 12:15PM May 16, 2022Observed: 18.97 ft at 12:30PM May 16, 2022Observed: 18.96 ft at 12:45PM May 16, 2022Observed: 18.94 ft at 1:00PM May 16, 2022Observed: 18.95 ft at 1:15PM May 16, 2022Observed: 18.93 ft at 1:30PM May 16, 2022Observed: 18.91 ft at 1:45PM May 16, 2022Observed: 18.89 ft at 2:00PM May 16, 2022Observed: 18.9 ft at 2:15PM May 16, 2022Observed: 18.9 ft at 2:30PM May 16, 2022Observed: 18.92 ft at 2:45PM May 16, 2022Observed: 18.88 ft at 3:00PM May 16, 2022Observed: 18.88 ft at 3:15PM May 16, 2022Observed: 18.88 ft at 3:30PM May 16, 2022Observed: 18.87 ft at 3:45PM May 16, 2022Observed: 18.87 ft at 4:00PM May 16, 2022Observed: 18.84 ft at 4:15PM May 16, 2022Observed: 18.88 ft at 4:30PM May 16, 2022Observed: 18.87 ft at 4:45PM May 16, 2022Observed: 18.87 ft at 5:00PM May 16, 2022Observed: 18.86 ft at 5:15PM May 16, 2022Observed: 18.84 ft at 5:30PM May 16, 2022Observed: 18.84 ft at 5:45PM May 16, 2022Observed: 18.84 ft at 6:00PM May 16, 2022Observed: 18.84 ft at 6:15PM May 16, 2022Observed: 18.83 ft at 6:30PM May 16, 2022Observed: 18.81 ft at 6:45PM May 16, 2022Observed: 18.83 ft at 7:00PM May 16, 2022Observed: 18.8 ft at 7:15PM May 16, 2022Observed: 18.78 ft at 7:30PM May 16, 2022Observed: 18.8 ft at 7:45PM May 16, 2022Observed: 18.77 ft at 8:00PM May 16, 2022Observed: 18.76 ft at 8:15PM May 16, 2022Observed: 18.76 ft at 8:30PM May 16, 2022Observed: 18.75 ft at 8:45PM May 16, 2022Observed: 18.75 ft at 9:00PM May 16, 2022Observed: 18.76 ft at 9:15PM May 16, 2022Observed: 18.75 ft at 9:30PM May 16, 2022Observed: 18.75 ft at 9:45PM May 16, 2022Observed: 18.76 ft at 10:00PM May 16, 2022Observed: 18.75 ft at 10:15PM May 16, 2022Observed: 18.75 ft at 10:30PM May 16, 2022Observed: 18.75 ft at 10:45PM May 16, 2022Observed: 18.73 ft at 11:00PM May 16, 2022Observed: 18.74 ft at 11:15PM May 16, 2022Observed: 18.72 ft at 11:30PM May 16, 2022Observed: 18.73 ft at 11:45PM May 16, 2022Observed: 18.74 ft at 12:00AM May 17, 2022Observed: 18.73 ft at 12:15AM May 17, 2022Observed: 18.72 ft at 12:30AM May 17, 2022Observed: 18.73 ft at 12:45AM May 17, 2022Observed: 18.71 ft at 1:00AM May 17, 2022Observed: 18.72 ft at 1:15AM May 17, 2022Observed: 18.71 ft at 1:30AM May 17, 2022Observed: 18.71 ft at 1:45AM May 17, 2022Observed: 18.71 ft at 2:00AM May 17, 2022Observed: 18.71 ft at 2:15AM May 17, 2022Observed: 18.7 ft at 2:30AM May 17, 2022Observed: 18.69 ft at 2:45AM May 17, 2022Observed: 18.7 ft at 3:00AM May 17, 2022Observed: 18.71 ft at 3:15AM May 17, 2022Observed: 18.68 ft at 3:30AM May 17, 2022Observed: 18.68 ft at 3:45AM May 17, 2022Observed: 18.68 ft at 4:00AM May 17, 2022Observed: 18.67 ft at 4:15AM May 17, 2022Observed: 18.68 ft at 4:30AM May 17, 2022Observed: 18.67 ft at 4:45AM May 17, 2022Observed: 18.66 ft at 5:00AM May 17, 2022Observed: 18.66 ft at 5:15AM May 17, 2022Observed: 18.64 ft at 5:30AM May 17, 2022Observed: 18.64 ft at 5:45AM May 17, 2022Observed: 18.63 ft at 6:00AM May 17, 2022Observed: 18.63 ft at 6:15AM May 17, 2022Observed: 18.63 ft at 6:30AM May 17, 2022Observed: 18.63 ft at 6:45AM May 17, 2022Observed: 18.62 ft at 7:00AM May 17, 2022Observed: 18.63 ft at 7:15AM May 17, 2022Observed: 18.61 ft at 7:30AM May 17, 2022Observed: 18.61 ft at 7:45AM May 17, 2022Observed: 18.6 ft at 8:00AM May 17, 2022Observed: 18.59 ft at 8:15AM May 17, 2022Observed: 18.59 ft at 8:30AM May 17, 2022Observed: 18.58 ft at 8:45AM May 17, 2022Observed: 18.58 ft at 9:00AM May 17, 2022Observed: 18.58 ft at 9:15AM May 17, 2022Observed: 18.57 ft at 9:30AM May 17, 2022Observed: 18.54 ft at 9:45AM May 17, 2022Observed: 18.54 ft at 10:15AM May 17, 2022Observed: 18.53 ft at 10:30AM May 17, 2022Observed: 18.54 ft at 10:45AM May 17, 2022Observed: 18.53 ft at 11:00AM May 17, 2022Observed: 18.53 ft at 11:15AM May 17, 2022Observed: 18.52 ft at 11:30AM May 17, 2022Observed: 18.52 ft at 11:45AM May 17, 2022Observed: 18.5 ft at 12:00PM May 17, 2022Observed: 18.51 ft at 12:15PM May 17, 2022Observed: 18.49 ft at 12:30PM May 17, 2022Observed: 18.49 ft at 12:45PM May 17, 2022Observed: 18.46 ft at 1:00PM May 17, 2022Observed: 18.47 ft at 1:15PM May 17, 2022Observed: 18.45 ft at 1:30PM May 17, 2022Observed: 18.45 ft at 1:45PM May 17, 2022Observed: 18.45 ft at 2:00PM May 17, 2022Observed: 18.45 ft at 2:15PM May 17, 2022Observed: 18.44 ft at 2:30PM May 17, 2022Observed: 18.43 ft at 2:45PM May 17, 2022Observed: 18.43 ft at 3:00PM May 17, 2022Observed: 18.43 ft at 3:15PM May 17, 2022Observed: 18.42 ft at 3:30PM May 17, 2022Observed: 18.41 ft at 3:45PM May 17, 2022Observed: 18.39 ft at 4:00PM May 17, 2022Observed: 18.38 ft at 4:15PM May 17, 2022Observed: 18.37 ft at 4:30PM May 17, 2022Observed: 18.39 ft at 4:45PM May 17, 2022Observed: 18.33 ft at 5:15PM May 17, 2022Observed: 18.33 ft at 5:30PM May 17, 2022Observed: 18.33 ft at 5:45PM May 17, 2022Observed: 18.28 ft at 6:00PM May 17, 2022Observed: 18.31 ft at 6:15PM May 17, 2022Observed: 18.32 ft at 6:30PM May 17, 2022Observed: 18.3 ft at 6:45PM May 17, 2022Observed: 18.29 ft at 7:00PM May 17, 2022Observed: 18.28 ft at 7:15PM May 17, 2022Observed: 18.27 ft at 7:30PM May 17, 2022Observed: 18.26 ft at 7:45PM May 17, 2022Observed: 18.25 ft at 8:00PM May 17, 2022Observed: 18.24 ft at 8:15PM May 17, 2022Observed: 18.25 ft at 8:30PM May 17, 2022Observed: 18.24 ft at 8:45PM May 17, 2022Observed: 18.23 ft at 9:00PM May 17, 2022Observed: 18.21 ft at 9:15PM May 17, 2022Observed: 18.2 ft at 9:30PM May 17, 2022Observed: 18.22 ft at 9:45PM May 17, 2022Observed: 18.2 ft at 10:00PM May 17, 2022Observed: 18.21 ft at 10:15PM May 17, 2022Observed: 18.21 ft at 10:30PM May 17, 2022Observed: 18.2 ft at 10:45PM May 17, 2022Observed: 18.2 ft at 11:00PM May 17, 2022Observed: 18.2 ft at 11:15PM May 17, 2022Observed: 18.2 ft at 11:30PM May 17, 2022Observed: 18.19 ft at 11:45PM May 17, 2022Observed: 18.21 ft at 12:00AM May 18, 2022Observed: 18.19 ft at 12:15AM May 18, 2022Observed: 18.2 ft at 12:30AM May 18, 2022Observed: 18.21 ft at 12:45AM May 18, 2022Observed: 18.19 ft at 1:00AM May 18, 2022Observed: 18.17 ft at 1:15AM May 18, 2022Observed: 18.19 ft at 1:30AM May 18, 2022Observed: 18.16 ft at 1:45AM May 18, 2022Observed: 18.12 ft at 2:00AM May 18, 2022Observed: 18.14 ft at 2:15AM May 18, 2022Observed: 18.15 ft at 2:30AM May 18, 2022Observed: 18.14 ft at 2:45AM May 18, 2022Observed: 18.14 ft at 3:00AM May 18, 2022Observed: 18.13 ft at 3:15AM May 18, 2022Observed: 18.1 ft at 3:30AM May 18, 2022Observed: 18.1 ft at 3:45AM May 18, 2022Observed: 18.1 ft at 4:00AM May 18, 2022Observed: 18.09 ft at 4:15AM May 18, 2022Observed: 18.09 ft at 4:30AM May 18, 2022Observed: 18.1 ft at 4:45AM May 18, 2022Observed: 18.09 ft at 5:00AM May 18, 2022Observed: 18.08 ft at 5:15AM May 18, 2022Observed: 18.07 ft at 5:30AM May 18, 2022Observed: 18.08 ft at 5:45AM May 18, 2022Observed: 18.07 ft at 6:00AM May 18, 2022Observed: 18.07 ft at 6:15AM May 18, 2022Observed: 18.06 ft at 6:30AM May 18, 2022Observed: 18.05 ft at 6:45AM May 18, 2022Observed: 18.05 ft at 7:00AM May 18, 2022Observed: 18.04 ft at 7:15AM May 18, 2022Observed: 18.08 ft at 7:30AM May 18, 2022Observed: 18.03 ft at 7:45AM May 18, 2022Observed: 18.03 ft at 8:00AM May 18, 2022Observed: 18.04 ft at 8:15AM May 18, 2022Observed: 18.02 ft at 8:30AM May 18, 2022Observed: 18.02 ft at 8:45AM May 18, 2022Observed: 18.02 ft at 9:00AM May 18, 2022Observed: 18.02 ft at 9:15AM May 18, 2022Observed: 18 ft at 9:30AM May 18, 2022Observed: 17.98 ft at 9:45AM May 18, 2022Observed: 17.98 ft at 10:00AM May 18, 2022Observed: 17.97 ft at 10:15AM May 18, 2022Observed: 17.97 ft at 10:30AM May 18, 2022Observed: 17.98 ft at 10:45AM May 18, 2022Observed: 17.97 ft at 11:00AM May 18, 2022Observed: 17.95 ft at 11:15AM May 18, 2022Observed: 17.97 ft at 11:30AM May 18, 2022Observed: 17.95 ft at 11:45AM May 18, 2022Observed: 17.94 ft at 12:00PM May 18, 2022Observed: 17.94 ft at 12:15PM May 18, 2022Observed: 17.94 ft at 12:30PM May 18, 2022Observed: 17.92 ft at 12:45PM May 18, 2022Observed: 17.93 ft at 1:00PM May 18, 2022Observed: 17.93 ft at 1:15PM May 18, 2022Observed: 17.91 ft at 1:30PM May 18, 2022Observed: 17.96 ft at 1:45PM May 18, 2022Observed: 17.94 ft at 2:00PM May 18, 2022Observed: 17.89 ft at 2:15PM May 18, 2022Observed: 17.9 ft at 2:30PM May 18, 2022Observed: 17.94 ft at 2:45PM May 18, 2022Observed: 17.94 ft at 3:00PM May 18, 2022Observed: 17.91 ft at 3:15PM May 18, 2022Observed: 17.91 ft at 3:30PM May 18, 2022Observed: 17.87 ft at 3:45PM May 18, 2022Observed: 17.88 ft at 4:00PM May 18, 2022Observed: 17.88 ft at 4:15PM May 18, 2022Observed: 17.88 ft at 4:30PM May 18, 2022Observed: 17.88 ft at 4:45PM May 18, 2022Observed: 17.87 ft at 5:00PM May 18, 2022Observed: 17.89 ft at 5:15PM May 18, 2022Observed: 17.88 ft at 5:30PM May 18, 2022Observed: 17.87 ft at 5:45PM May 18, 2022Observed: 17.87 ft at 6:00PM May 18, 2022Observed: 17.87 ft at 6:15PM May 18, 2022Observed: 17.88 ft at 6:30PM May 18, 2022Observed: 17.88 ft at 6:45PM May 18, 2022Observed: 17.88 ft at 7:00PM May 18, 2022Observed: 17.86 ft at 7:15PM May 18, 2022Observed: 17.86 ft at 7:30PM May 18, 2022Observed: 17.85 ft at 7:45PM May 18, 2022Observed: 17.85 ft at 8:00PM May 18, 2022Observed: 17.85 ft at 8:15PM May 18, 2022Observed: 17.85 ft at 8:30PM May 18, 2022Observed: 17.83 ft at 8:45PM May 18, 2022Observed: 17.82 ft at 9:00PM May 18, 2022Observed: 17.82 ft at 9:15PM May 18, 2022Observed: 17.8 ft at 9:30PM May 18, 2022Observed: 17.83 ft at 9:45PM May 18, 2022Observed: 17.83 ft at 10:00PM May 18, 2022Observed: 17.82 ft at 10:15PM May 18, 2022Observed: 17.8 ft at 10:30PM May 18, 2022Observed: 17.81 ft at 10:45PM May 18, 2022Observed: 17.81 ft at 11:00PM May 18, 2022Observed: 17.82 ft at 11:15PM May 18, 2022Observed: 17.8 ft at 11:30PM May 18, 2022Observed: 17.79 ft at 11:45PM May 18, 2022Observed: 17.8 ft at 12:00AM May 19, 2022Observed: 17.78 ft at 12:15AM May 19, 2022Observed: 17.8 ft at 12:30AM May 19, 2022Observed: 17.8 ft at 12:45AM May 19, 2022Observed: 17.78 ft at 1:00AM May 19, 2022Observed: 17.77 ft at 1:15AM May 19, 2022Observed: 17.78 ft at 1:30AM May 19, 2022Observed: 17.78 ft at 1:45AM May 19, 2022Observed: 17.77 ft at 2:00AM May 19, 2022Observed: 17.76 ft at 2:15AM May 19, 2022Observed: 17.76 ft at 2:30AM May 19, 2022Observed: 17.75 ft at 2:45AM May 19, 2022Observed: 17.75 ft at 3:00AM May 19, 2022Observed: 17.74 ft at 3:15AM May 19, 2022Observed: 17.74 ft at 3:30AM May 19, 2022Observed: 17.72 ft at 3:45AM May 19, 2022Observed: 17.72 ft at 4:00AM May 19, 2022Observed: 17.7 ft at 4:15AM May 19, 2022Observed: 17.71 ft at 4:30AM May 19, 2022Observed: 17.7 ft at 4:45AM May 19, 2022Observed: 17.7 ft at 5:00AM May 19, 2022Observed: 17.68 ft at 5:15AM May 19, 2022Observed: 17.68 ft at 5:30AM May 19, 2022Observed: 17.68 ft at 5:45AM May 19, 2022Observed: 17.67 ft at 6:00AM May 19, 2022Observed: 17.66 ft at 6:15AM May 19, 2022Observed: 17.68 ft at 6:30AM May 19, 2022Observed: 17.66 ft at 6:45AM May 19, 2022Observed: 17.67 ft at 7:00AM May 19, 2022Observed: 17.64 ft at 7:15AM May 19, 2022Observed: 17.63 ft at 7:30AM May 19, 2022Observed: 17.65 ft at 7:45AM May 19, 2022Observed: 17.64 ft at 8:00AM May 19, 2022Observed: 17.63 ft at 8:15AM May 19, 2022Observed: 17.63 ft at 8:30AM May 19, 2022Observed: 17.62 ft at 8:45AM May 19, 2022Observed: 17.61 ft at 9:00AM May 19, 2022Observed: 17.61 ft at 9:15AM May 19, 2022Observed: 17.56 ft at 9:30AM May 19, 2022Observed: 17.57 ft at 9:45AM May 19, 2022Observed: 17.58 ft at 10:00AM May 19, 2022Observed: 17.55 ft at 10:15AM May 19, 2022Observed: 17.57 ft at 10:30AM May 19, 2022Observed: 17.55 ft at 10:45AM May 19, 2022Observed: 17.53 ft at 11:00AM May 19, 2022Observed: 17.56 ft at 11:15AM May 19, 2022Observed: 17.55 ft at 11:30AM May 19, 2022Observed: 17.52 ft at 11:45AM May 19, 2022Observed: 17.52 ft at 12:00PM May 19, 2022Observed: 17.53 ft at 12:15PM May 19, 2022Observed: 17.55 ft at 12:30PM May 19, 2022Observed: 17.51 ft at 12:45PM May 19, 2022Observed: 17.51 ft at 1:00PM May 19, 2022Observed: 17.49 ft at 1:15PM May 19, 2022Observed: 17.49 ft at 1:30PM May 19, 2022Observed: 17.52 ft at 1:45PM May 19, 2022Observed: 17.52 ft at 2:00PM May 19, 2022Observed: 17.5 ft at 2:15PM May 19, 2022Observed: 17.53 ft at 2:30PM May 19, 2022Observed: 17.55 ft at 2:45PM May 19, 2022Observed: 17.5 ft at 3:00PM May 19, 2022Observed: 17.49 ft at 3:15PM May 19, 2022Observed: 17.48 ft at 3:30PM May 19, 2022Observed: 17.52 ft at 3:45PM May 19, 2022Observed: 17.5 ft at 4:15PM May 19, 2022Observed: 17.5 ft at 4:45PM May 19, 2022Observed: 17.49 ft at 5:15PM May 19, 2022Observed: 17.5 ft at 5:30PM May 19, 2022Observed: 17.47 ft at 5:45PM May 19, 2022Observed: 17.47 ft at 6:00PM May 19, 2022Observed: 17.47 ft at 6:15PM May 19, 2022Observed: 17.46 ft at 6:30PM May 19, 2022Observed: 17.42 ft at 6:45PM May 19, 2022Observed: 17.45 ft at 7:00PM May 19, 2022Observed: 17.43 ft at 7:15PM May 19, 2022Observed: 17.42 ft at 7:30PM May 19, 2022Observed: 17.43 ft at 7:45PM May 19, 2022Observed: 17.42 ft at 8:00PM May 19, 2022Observed: 17.45 ft at 8:15PM May 19, 2022Observed: 17.45 ft at 8:30PM May 19, 2022Observed: 17.45 ft at 8:45PM May 19, 2022Observed: 17.46 ft at 9:00PM May 19, 2022Observed: 17.47 ft at 9:15PM May 19, 2022Observed: 17.47 ft at 9:30PM May 19, 2022Observed: 17.56 ft at 9:45PM May 19, 2022Observed: 17.55 ft at 10:00PM May 19, 2022Observed: 17.51 ft at 10:15PM May 19, 2022Observed: 17.48 ft at 10:30PM May 19, 2022Observed: 17.4 ft at 10:45PM May 19, 2022Observed: 17.44 ft at 11:00PM May 19, 2022Observed: 17.37 ft at 11:15PM May 19, 2022Observed: 17.41 ft at 11:30PM May 19, 2022Observed: 17.39 ft at 11:45PM May 19, 2022Observed: 17.41 ft at 12:00AM May 20, 2022Observed: 17.44 ft at 12:15AM May 20, 2022Observed: 17.45 ft at 12:30AM May 20, 2022Observed: 17.45 ft at 12:45AM May 20, 2022Observed: 17.47 ft at 1:00AM May 20, 2022Observed: 17.46 ft at 1:15AM May 20, 2022Observed: 17.43 ft at 1:30AM May 20, 2022Observed: 17.44 ft at 1:45AM May 20, 2022Observed: 17.44 ft at 2:00AM May 20, 2022Observed: 17.43 ft at 2:15AM May 20, 2022Observed: 17.45 ft at 2:30AM May 20, 2022Observed: 17.44 ft at 2:45AM May 20, 2022Observed: 17.44 ft at 3:00AM May 20, 2022Observed: 17.42 ft at 3:15AM May 20, 2022Observed: 17.44 ft at 3:30AM May 20, 2022Observed: 17.42 ft at 3:45AM May 20, 2022Observed: 17.4 ft at 4:00AM May 20, 2022Observed: 17.39 ft at 4:15AM May 20, 2022Observed: 17.4 ft at 4:30AM May 20, 2022Observed: 17.39 ft at 4:45AM May 20, 2022Observed: 17.39 ft at 5:00AM May 20, 2022Observed: 17.38 ft at 5:15AM May 20, 2022Observed: 17.37 ft at 5:30AM May 20, 2022Observed: 17.38 ft at 5:45AM May 20, 2022Observed: 17.4 ft at 6:00AM May 20, 2022Observed: 17.35 ft at 6:15AM May 20, 2022Observed: 17.36 ft at 6:30AM May 20, 2022Observed: 17.4 ft at 6:45AM May 20, 2022Observed: 17.39 ft at 7:00AM May 20, 2022Observed: 17.38 ft at 7:15AM May 20, 2022Observed: 17.37 ft at 7:30AM May 20, 2022Observed: 17.39 ft at 7:45AM May 20, 2022Observed: 17.4 ft at 8:00AM May 20, 2022Observed: 17.35 ft at 8:15AM May 20, 2022Observed: 17.34 ft at 8:30AM May 20, 2022Observed: 17.33 ft at 8:45AM May 20, 2022Observed: 17.34 ft at 9:00AM May 20, 2022Observed: 17.36 ft at 9:15AM May 20, 2022Observed: 17.37 ft at 9:30AM May 20, 2022Observed: 17.32 ft at 9:45AM May 20, 2022Observed: 17.39 ft at 10:00AM May 20, 2022Observed: 17.36 ft at 10:15AM May 20, 2022Observed: 17.34 ft at 10:30AM May 20, 2022Observed: 17.35 ft at 10:45AM May 20, 2022Observed: 17.35 ft at 11:00AM May 20, 2022Observed: 17.33 ft at 11:15AM May 20, 2022Observed: 17.34 ft at 11:30AM May 20, 2022Observed: 17.29 ft at 12:00PM May 20, 2022Observed: 17.26 ft at 12:30PM May 20, 2022Observed: 17.31 ft at 12:45PM May 20, 2022Observed: 17.34 ft at 1:00PM May 20, 2022Observed: 17.33 ft at 1:15PM May 20, 2022Observed: 17.37 ft at 1:30PM May 20, 2022Observed: 17.36 ft at 1:45PM May 20, 2022Observed: 17.39 ft at 2:00PM May 20, 2022Observed: 17.42 ft at 2:15PM May 20, 2022Observed: 17.34 ft at 2:30PM May 20, 2022Observed: 17.39 ft at 2:45PM May 20, 2022Observed: 17.46 ft at 3:00PM May 20, 2022Observed: 17.41 ft at 3:15PM May 20, 2022Observed: 17.34 ft at 3:30PM May 20, 2022Observed: 17.34 ft at 3:45PM May 20, 2022Observed: 17.4 ft at 4:00PM May 20, 2022Observed: 17.37 ft at 4:15PM May 20, 2022Observed: 17.4 ft at 4:30PM May 20, 2022Observed: 17.38 ft at 4:45PM May 20, 2022Observed: 17.4 ft at 5:00PM May 20, 2022Observed: 17.4 ft at 5:15PM May 20, 2022Observed: 17.36 ft at 5:30PM May 20, 2022Observed: 17.41 ft at 5:45PM May 20, 2022Observed: 17.43 ft at 6:00PM May 20, 2022Observed: 17.47 ft at 6:15PM May 20, 2022Observed: 17.43 ft at 6:30PM May 20, 2022Observed: 17.41 ft at 6:45PM May 20, 2022Observed: 17.36 ft at 7:00PM May 20, 2022Observed: 17.35 ft at 7:15PM May 20, 2022Observed: 17.35 ft at 7:30PM May 20, 2022Observed: 17.33 ft at 7:45PM May 20, 2022Observed: 17.34 ft at 8:00PM May 20, 2022Observed: 17.34 ft at 8:15PM May 20, 2022Observed: 17.3 ft at 8:30PM May 20, 2022Observed: 17.27 ft at 8:45PM May 20, 2022Observed: 17.16 ft at 12:00AM May 21, 2022Observed: 17.12 ft at 12:15AM May 21, 2022Observed: 17.16 ft at 12:30AM May 21, 2022Observed: 17.13 ft at 12:45AM May 21, 2022Observed: 17.1 ft at 1:00AM May 21, 2022Observed: 17.1 ft at 1:15AM May 21, 2022Observed: 17.1 ft at 1:30AM May 21, 2022Observed: 17.08 ft at 1:45AM May 21, 2022Observed: 17.08 ft at 2:00AM May 21, 2022Observed: 17.07 ft at 2:15AM May 21, 2022Observed: 17.07 ft at 2:30AM May 21, 2022Observed: 17.07 ft at 2:45AM May 21, 2022Observed: 17.07 ft at 3:00AM May 21, 2022Observed: 17.05 ft at 3:15AM May 21, 2022Observed: 17.05 ft at 3:30AM May 21, 2022Observed: 17.04 ft at 3:45AM May 21, 2022Observed: 17.04 ft at 4:00AM May 21, 2022Observed: 17.04 ft at 4:15AM May 21, 2022Observed: 17.02 ft at 4:30AM May 21, 2022Observed: 17.03 ft at 4:45AM May 21, 2022Observed: 17.02 ft at 5:00AM May 21, 2022Observed: 17.02 ft at 5:15AM May 21, 2022Observed: 17.02 ft at 5:30AM May 21, 2022Observed: 17.02 ft at 5:45AM May 21, 2022Observed: 17 ft at 6:00AM May 21, 2022Observed: 17.03 ft at 6:15AM May 21, 2022Observed: 17.01 ft at 6:30AM May 21, 2022Observed: 17.02 ft at 6:45AM May 21, 2022Observed: 17 ft at 7:00AM May 21, 2022Observed: 17 ft at 7:15AM May 21, 2022Observed: 17.01 ft at 7:30AM May 21, 2022Observed: 17.01 ft at 7:45AM May 21, 2022Observed: 17 ft at 8:00AM May 21, 2022Observed: 16.98 ft at 8:15AM May 21, 2022Observed: 16.99 ft at 8:30AM May 21, 2022Observed: 16.97 ft at 8:45AM May 21, 2022Observed: 16.98 ft at 9:00AM May 21, 2022Observed: 16.98 ft at 9:15AM May 21, 2022Observed: 16.97 ft at 9:30AM May 21, 2022Observed: 16.99 ft at 9:45AM May 21, 2022Observed: 17.03 ft at 10:00AM May 21, 2022Observed: 17.04 ft at 10:15AM May 21, 2022Observed: 17 ft at 10:30AM May 21, 2022Observed: 17.06 ft at 10:45AM May 21, 2022Observed: 17.05 ft at 11:00AM May 21, 2022Observed: 16.91 ft at 11:15AM May 21, 2022Observed: 17 ft at 11:30AM May 21, 2022Observed: 16.97 ft at 11:45AM May 21, 2022Observed: 16.93 ft at 12:00PM May 21, 2022Observed: 16.96 ft at 12:15PM May 21, 2022Observed: 16.95 ft at 12:30PM May 21, 2022Observed: 16.95 ft at 12:45PM May 21, 2022Observed: 16.97 ft at 1:00PM May 21, 2022Observed: 16.96 ft at 1:15PM May 21, 2022Observed: 16.92 ft at 1:30PM May 21, 2022Observed: 16.97 ft at 1:45PM May 21, 2022Observed: 16.96 ft at 2:00PM May 21, 2022Observed: 16.95 ft at 2:15PM May 21, 2022Observed: 16.94 ft at 2:30PM May 21, 2022Observed: 16.95 ft at 2:45PM May 21, 2022Observed: 16.95 ft at 3:00PM May 21, 2022Observed: 16.95 ft at 3:15PM May 21, 2022Observed: 16.97 ft at 3:30PM May 21, 2022Observed: 16.94 ft at 3:45PM May 21, 2022Observed: 16.96 ft at 4:00PM May 21, 2022Observed: 16.95 ft at 4:15PM May 21, 2022Observed: 16.95 ft at 4:30PM May 21, 2022Observed: 17 ft at 4:45PM May 21, 2022Observed: 16.92 ft at 5:00PM May 21, 2022Observed: 16.91 ft at 5:15PM May 21, 2022Observed: 16.91 ft at 5:30PM May 21, 2022Observed: 16.9 ft at 5:45PM May 21, 2022Observed: 16.9 ft at 6:00PM May 21, 2022Observed: 16.9 ft at 6:15PM May 21, 2022Observed: 16.9 ft at 6:30PM May 21, 2022Observed: 16.9 ft at 6:45PM May 21, 2022Observed: 16.9 ft at 7:00PM May 21, 2022Observed: 16.91 ft at 7:15PM May 21, 2022Observed: 16.92 ft at 7:30PM May 21, 2022Observed: 16.95 ft at 7:45PM May 21, 2022Observed: 16.86 ft at 8:00PM May 21, 2022Observed: 16.86 ft at 8:15PM May 21, 2022Observed: 16.86 ft at 8:30PM May 21, 2022Observed: 16.85 ft at 8:45PM May 21, 2022Observed: 16.83 ft at 9:00PM May 21, 2022Observed: 16.84 ft at 9:15PM May 21, 2022Observed: 16.84 ft at 9:30PM May 21, 2022Observed: 16.83 ft at 9:45PM May 21, 2022Observed: 16.82 ft at 10:00PM May 21, 2022Observed: 16.82 ft at 10:15PM May 21, 2022Observed: 16.82 ft at 10:30PM May 21, 2022Observed: 16.82 ft at 10:45PM May 21, 2022Observed: 16.8 ft at 11:00PM May 21, 2022Observed: 16.8 ft at 11:15PM May 21, 2022Observed: 16.82 ft at 11:30PM May 21, 2022Observed: 16.8 ft at 11:45PM May 21, 2022Observed: 16.8 ft at 12:00AM May 22, 2022Observed: 16.81 ft at 12:15AM May 22, 2022Observed: 16.78 ft at 12:30AM May 22, 2022Observed: 16.83 ft at 12:45AM May 22, 2022Observed: 16.84 ft at 1:00AM May 22, 2022Observed: 16.83 ft at 1:15AM May 22, 2022Observed: 16.81 ft at 1:30AM May 22, 2022Observed: 16.79 ft at 1:45AM May 22, 2022Observed: 16.78 ft at 2:00AM May 22, 2022Observed: 16.77 ft at 2:15AM May 22, 2022Observed: 16.75 ft at 2:30AM May 22, 2022Observed: 16.76 ft at 2:45AM May 22, 2022Highest Forecast: 16.7 ft 7:00AM May 22, 2022Forecast: 16.6 ft 1:00PM May 22, 2022Forecast: 16.6 ft 7:00PM May 22, 2022Forecast: 16.6 ft 1:00AM May 23, 2022Forecast: 16.5 ft 7:00AM May 23, 2022Forecast: 16.5 ft 1:00PM May 23, 2022Forecast: 16.5 ft 7:00PM May 23, 2022Forecast: 16.4 ft 1:00AM May 24, 2022Forecast: 16.4 ft 7:00AM May 24, 2022Forecast: 16.4 ft 1:00PM May 24, 2022Forecast: 16.4 ft 7:00PM May 24, 2022Forecast: 16.3 ft 1:00AM May 25, 2022Forecast: 16.3 ft 7:00AM May 25, 2022Forecast: 16.3 ft 1:00PM May 25, 2022Forecast: 16.3 ft 7:00PM May 25, 2022Forecast: 16.3 ft 1:00AM May 26, 2022Forecast: 16.3 ft 7:00AM May 26, 2022Forecast: 16.3 ft 1:00PM May 26, 2022Forecast: 16.3 ft 7:00PM May 26, 2022Forecast: 16.3 ft 1:00AM May 27, 2022Forecast: 16.2 ft 7:00AM May 27, 2022Forecast: 16.2 ft 1:00PM May 27, 2022Forecast: 16.2 ft 7:00PM May 27, 2022Forecast: 16.1 ft 1:00AM May 28, 2022Forecast: 16.1 ft 7:00AM May 28, 2022Forecast: 16.1 ft 1:00PM May 28, 2022Forecast: 16 ft 7:00PM May 28, 2022USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (3:53AM May 22, 2022)ObservedForecast (issued 9:04PM May 21)Latest observed value: 16.76 ft at 2:45 AM CDT 22-May-2022. Flood Stage is 23 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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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) 32.94 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
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 22.60 ft on 02/25/2022 (P)
(2) 23.42 ft on 11/01/2021 (P)
(3) 24.18 ft on 07/03/2021
(4) 31.62 ft on 05/21/2020
(5) 25.25 ft on 05/03/2020
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.
28.5 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:
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USGS Streamflow Duration Hydrograph
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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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