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Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Observed: 15.58 ft at 2:00AM Apr 07, 2021Observed: 15.55 ft at 2:15AM Apr 07, 2021Observed: 15.56 ft at 2:30AM Apr 07, 2021Observed: 15.56 ft at 2:45AM Apr 07, 2021Observed: 15.57 ft at 3:00AM Apr 07, 2021Observed: 15.54 ft at 3:15AM Apr 07, 2021Observed: 15.54 ft at 3:30AM Apr 07, 2021Observed: 15.56 ft at 3:45AM Apr 07, 2021Observed: 15.55 ft at 4:00AM Apr 07, 2021Observed: 15.52 ft at 4:15AM Apr 07, 2021Observed: 15.52 ft at 4:30AM Apr 07, 2021Observed: 15.51 ft at 4:45AM Apr 07, 2021Observed: 15.51 ft at 5:00AM Apr 07, 2021Observed: 15.51 ft at 5:15AM Apr 07, 2021Observed: 15.51 ft at 5:30AM Apr 07, 2021Observed: 15.49 ft at 5:45AM Apr 07, 2021Observed: 15.49 ft at 6:00AM Apr 07, 2021Observed: 15.5 ft at 6:15AM Apr 07, 2021Observed: 15.45 ft at 6:30AM Apr 07, 2021Observed: 15.46 ft at 6:45AM Apr 07, 2021Observed: 15.47 ft at 7:00AM Apr 07, 2021Observed: 15.48 ft at 7:15AM Apr 07, 2021Observed: 15.49 ft at 7:30AM Apr 07, 2021Observed: 15.45 ft at 7:45AM Apr 07, 2021Observed: 15.44 ft at 8:00AM Apr 07, 2021Observed: 15.43 ft at 8:15AM Apr 07, 2021Observed: 15.42 ft at 8:30AM Apr 07, 2021Observed: 15.43 ft at 8:45AM Apr 07, 2021Observed: 15.41 ft at 9:00AM Apr 07, 2021Observed: 15.4 ft at 9:15AM Apr 07, 2021Observed: 15.39 ft at 9:30AM Apr 07, 2021Observed: 15.39 ft at 9:45AM Apr 07, 2021Observed: 15.38 ft at 10:00AM Apr 07, 2021Observed: 15.38 ft at 10:15AM Apr 07, 2021Observed: 15.39 ft at 10:30AM Apr 07, 2021Observed: 15.38 ft at 10:45AM Apr 07, 2021Observed: 15.36 ft at 11:00AM Apr 07, 2021Observed: 15.39 ft at 11:15AM Apr 07, 2021Observed: 15.38 ft at 11:30AM Apr 07, 2021Observed: 15.4 ft at 11:45AM Apr 07, 2021Observed: 15.42 ft at 12:00PM Apr 07, 2021Observed: 15.41 ft at 12:15PM Apr 07, 2021Observed: 15.4 ft at 12:30PM Apr 07, 2021Observed: 15.38 ft at 12:45PM Apr 07, 2021Observed: 15.4 ft at 1:00PM Apr 07, 2021Observed: 15.38 ft at 1:15PM Apr 07, 2021Observed: 15.39 ft at 1:30PM Apr 07, 2021Observed: 15.41 ft at 1:45PM Apr 07, 2021Observed: 15.44 ft at 2:00PM Apr 07, 2021Observed: 15.39 ft at 2:15PM Apr 07, 2021Observed: 15.41 ft at 2:30PM Apr 07, 2021Observed: 15.41 ft at 2:45PM Apr 07, 2021Observed: 15.41 ft at 3:00PM Apr 07, 2021Observed: 15.38 ft at 3:15PM Apr 07, 2021Observed: 15.36 ft at 3:30PM Apr 07, 2021Observed: 15.35 ft at 3:45PM Apr 07, 2021Observed: 15.36 ft at 4:00PM Apr 07, 2021Observed: 15.36 ft at 4:15PM Apr 07, 2021Observed: 15.34 ft at 4:30PM Apr 07, 2021Observed: 15.33 ft at 4:45PM Apr 07, 2021Observed: 15.3 ft at 5:00PM Apr 07, 2021Observed: 15.26 ft at 5:15PM Apr 07, 2021Observed: 15.27 ft at 5:30PM Apr 07, 2021Observed: 15.28 ft at 5:45PM Apr 07, 2021Observed: 15.28 ft at 6:00PM Apr 07, 2021Observed: 15.31 ft at 6:15PM Apr 07, 2021Observed: 15.33 ft at 6:30PM Apr 07, 2021Observed: 15.31 ft at 6:45PM Apr 07, 2021Observed: 15.28 ft at 7:00PM Apr 07, 2021Observed: 15.25 ft at 7:15PM Apr 07, 2021Observed: 15.25 ft at 7:30PM Apr 07, 2021Observed: 15.23 ft at 7:45PM Apr 07, 2021Observed: 15.24 ft at 8:00PM Apr 07, 2021Observed: 15.22 ft at 8:15PM Apr 07, 2021Observed: 15.23 ft at 8:30PM Apr 07, 2021Observed: 15.27 ft at 8:45PM Apr 07, 2021Observed: 15.26 ft at 9:00PM Apr 07, 2021Observed: 15.25 ft at 9:15PM Apr 07, 2021Observed: 15.24 ft at 9:30PM Apr 07, 2021Observed: 15.25 ft at 9:45PM Apr 07, 2021Observed: 15.28 ft at 10:15PM Apr 07, 2021Observed: 15.24 ft at 11:00PM Apr 07, 2021Observed: 15.28 ft at 11:30PM Apr 07, 2021Observed: 15.29 ft at 11:45PM Apr 07, 2021Observed: 15.26 ft at 12:00AM Apr 08, 2021Observed: 15.27 ft at 12:15AM Apr 08, 2021Observed: 15.28 ft at 12:30AM Apr 08, 2021Observed: 15.26 ft at 12:45AM Apr 08, 2021Observed: 15.27 ft at 1:00AM Apr 08, 2021Observed: 15.28 ft at 1:15AM Apr 08, 2021Observed: 15.26 ft at 1:30AM Apr 08, 2021Observed: 15.24 ft at 1:45AM Apr 08, 2021Observed: 15.23 ft at 2:00AM Apr 08, 2021Observed: 15.24 ft at 2:15AM Apr 08, 2021Observed: 15.22 ft at 2:30AM Apr 08, 2021Observed: 15.21 ft at 2:45AM Apr 08, 2021Observed: 15.21 ft at 3:00AM Apr 08, 2021Observed: 15.21 ft at 3:15AM Apr 08, 2021Observed: 15.2 ft at 3:30AM Apr 08, 2021Observed: 15.2 ft at 3:45AM Apr 08, 2021Observed: 15.19 ft at 4:00AM Apr 08, 2021Observed: 15.19 ft at 4:15AM Apr 08, 2021Observed: 15.18 ft at 4:30AM Apr 08, 2021Observed: 15.19 ft at 4:45AM Apr 08, 2021Observed: 15.22 ft at 5:00AM Apr 08, 2021Observed: 15.21 ft at 5:15AM Apr 08, 2021Observed: 15.21 ft at 5:30AM Apr 08, 2021Observed: 15.21 ft at 5:45AM Apr 08, 2021Observed: 15.2 ft at 6:00AM Apr 08, 2021Observed: 15.19 ft at 6:15AM Apr 08, 2021Observed: 15.25 ft at 6:30AM Apr 08, 2021Observed: 15.22 ft at 6:45AM Apr 08, 2021Observed: 15.22 ft at 7:00AM Apr 08, 2021Observed: 15.21 ft at 7:15AM Apr 08, 2021Observed: 15.2 ft at 7:30AM Apr 08, 2021Observed: 15.19 ft at 7:45AM Apr 08, 2021Observed: 15.2 ft at 8:00AM Apr 08, 2021Observed: 15.19 ft at 8:15AM Apr 08, 2021Observed: 15.21 ft at 8:30AM Apr 08, 2021Observed: 15.2 ft at 8:45AM Apr 08, 2021Observed: 15.19 ft at 9:00AM Apr 08, 2021Observed: 15.18 ft at 9:15AM Apr 08, 2021Observed: 15.2 ft at 9:30AM Apr 08, 2021Observed: 15.2 ft at 9:45AM Apr 08, 2021Observed: 15.17 ft at 10:00AM Apr 08, 2021Observed: 15.18 ft at 10:15AM Apr 08, 2021Observed: 15.16 ft at 10:30AM Apr 08, 2021Observed: 15.14 ft at 10:45AM Apr 08, 2021Observed: 15.16 ft at 11:00AM Apr 08, 2021Observed: 15.17 ft at 11:15AM Apr 08, 2021Observed: 15.16 ft at 11:30AM Apr 08, 2021Observed: 15.15 ft at 11:45AM Apr 08, 2021Observed: 15.15 ft at 12:00PM Apr 08, 2021Observed: 15.13 ft at 12:15PM Apr 08, 2021Observed: 15.16 ft at 12:30PM Apr 08, 2021Observed: 15.16 ft at 12:45PM Apr 08, 2021Observed: 15.14 ft at 1:00PM Apr 08, 2021Observed: 15.17 ft at 1:15PM Apr 08, 2021Observed: 15.15 ft at 1:45PM Apr 08, 2021Observed: 15.14 ft at 2:00PM Apr 08, 2021Observed: 15.16 ft at 2:15PM Apr 08, 2021Observed: 15.11 ft at 2:30PM Apr 08, 2021Observed: 15.09 ft at 2:45PM Apr 08, 2021Observed: 15.11 ft at 3:00PM Apr 08, 2021Observed: 15.1 ft at 3:15PM Apr 08, 2021Observed: 15.09 ft at 3:30PM Apr 08, 2021Observed: 15.07 ft at 3:45PM Apr 08, 2021Observed: 15.05 ft at 4:00PM Apr 08, 2021Observed: 15.1 ft at 4:15PM Apr 08, 2021Observed: 15.07 ft at 4:30PM Apr 08, 2021Observed: 15.07 ft at 5:15PM Apr 08, 2021Observed: 15.11 ft at 5:30PM Apr 08, 2021Observed: 15.07 ft at 5:45PM Apr 08, 2021Observed: 15.07 ft at 6:00PM Apr 08, 2021Observed: 15.05 ft at 6:15PM Apr 08, 2021Observed: 15.03 ft at 6:30PM Apr 08, 2021Observed: 15.06 ft at 6:45PM Apr 08, 2021Observed: 15.09 ft at 7:00PM Apr 08, 2021Observed: 15.1 ft at 7:15PM Apr 08, 2021Observed: 15.08 ft at 7:30PM Apr 08, 2021Observed: 15.05 ft at 7:45PM Apr 08, 2021Observed: 15.05 ft at 8:00PM Apr 08, 2021Observed: 15.04 ft at 8:15PM Apr 08, 2021Observed: 15 ft at 8:30PM Apr 08, 2021Observed: 15.03 ft at 8:45PM Apr 08, 2021Observed: 15.06 ft at 9:00PM Apr 08, 2021Observed: 15.05 ft at 9:15PM Apr 08, 2021Observed: 15.02 ft at 9:30PM Apr 08, 2021Observed: 15 ft at 9:45PM Apr 08, 2021Observed: 15.06 ft at 10:00PM Apr 08, 2021Observed: 15.04 ft at 10:15PM Apr 08, 2021Observed: 15.03 ft at 10:30PM Apr 08, 2021Observed: 15.05 ft at 10:45PM Apr 08, 2021Observed: 15.03 ft at 11:00PM Apr 08, 2021Observed: 15.05 ft at 11:15PM Apr 08, 2021Observed: 15.01 ft at 11:30PM Apr 08, 2021Observed: 15.08 ft at 11:45PM Apr 08, 2021Observed: 15.07 ft at 12:00AM Apr 09, 2021Observed: 15.04 ft at 12:15AM Apr 09, 2021Observed: 15.07 ft at 12:30AM Apr 09, 2021Observed: 15.03 ft at 12:45AM Apr 09, 2021Observed: 15.07 ft at 1:00AM Apr 09, 2021Observed: 15.09 ft at 1:15AM Apr 09, 2021Observed: 15.08 ft at 1:30AM Apr 09, 2021Observed: 15.09 ft at 1:45AM Apr 09, 2021Observed: 15.07 ft at 2:00AM Apr 09, 2021Observed: 15.07 ft at 2:15AM Apr 09, 2021Observed: 15.07 ft at 2:30AM Apr 09, 2021Observed: 15.07 ft at 2:45AM Apr 09, 2021Observed: 15.12 ft at 3:00AM Apr 09, 2021Observed: 15.13 ft at 3:15AM Apr 09, 2021Observed: 15.05 ft at 3:45AM Apr 09, 2021Observed: 15.09 ft at 4:00AM Apr 09, 2021Observed: 15.07 ft at 4:15AM Apr 09, 2021Observed: 15.04 ft at 4:30AM Apr 09, 2021Observed: 15.06 ft at 4:45AM Apr 09, 2021Observed: 15.08 ft at 5:00AM Apr 09, 2021Observed: 15.1 ft at 5:15AM Apr 09, 2021Observed: 15.07 ft at 5:30AM Apr 09, 2021Observed: 15.08 ft at 5:45AM Apr 09, 2021Observed: 15.07 ft at 6:00AM Apr 09, 2021Observed: 15.06 ft at 6:15AM Apr 09, 2021Observed: 15.06 ft at 6:30AM Apr 09, 2021Observed: 15.09 ft at 6:45AM Apr 09, 2021Observed: 15.08 ft at 7:00AM Apr 09, 2021Observed: 15.1 ft at 7:15AM Apr 09, 2021Observed: 15.08 ft at 7:30AM Apr 09, 2021Observed: 15.1 ft at 7:45AM Apr 09, 2021Observed: 15.09 ft at 8:00AM Apr 09, 2021Observed: 15.09 ft at 8:15AM Apr 09, 2021Observed: 15.07 ft at 8:30AM Apr 09, 2021Observed: 15.04 ft at 8:45AM Apr 09, 2021Observed: 15.08 ft at 9:00AM Apr 09, 2021Observed: 15.11 ft at 9:15AM Apr 09, 2021Observed: 15.13 ft at 9:30AM Apr 09, 2021Observed: 15.09 ft at 10:00AM Apr 09, 2021Observed: 15.08 ft at 10:45AM Apr 09, 2021Observed: 15.09 ft at 11:15AM Apr 09, 2021Observed: 15.09 ft at 11:30AM Apr 09, 2021Observed: 15.12 ft at 11:45AM Apr 09, 2021Observed: 15.12 ft at 12:15PM Apr 09, 2021Observed: 15.12 ft at 12:30PM Apr 09, 2021Observed: 15.15 ft at 1:00PM Apr 09, 2021Observed: 15.11 ft at 1:15PM Apr 09, 2021Observed: 15.1 ft at 1:30PM Apr 09, 2021Observed: 15.1 ft at 1:45PM Apr 09, 2021Observed: 15.17 ft at 2:00PM Apr 09, 2021Observed: 15.15 ft at 2:15PM Apr 09, 2021Observed: 15.17 ft at 2:45PM Apr 09, 2021Observed: 15.15 ft at 3:00PM Apr 09, 2021Observed: 15.16 ft at 3:15PM Apr 09, 2021Observed: 15.17 ft at 3:30PM Apr 09, 2021Observed: 15.15 ft at 3:45PM Apr 09, 2021Observed: 15.14 ft at 4:00PM Apr 09, 2021Observed: 15.2 ft at 4:15PM Apr 09, 2021Observed: 15.16 ft at 4:30PM Apr 09, 2021Observed: 15.18 ft at 4:45PM Apr 09, 2021Observed: 15.17 ft at 5:00PM Apr 09, 2021Observed: 15.17 ft at 5:15PM Apr 09, 2021Observed: 15.17 ft at 5:30PM Apr 09, 2021Observed: 15.19 ft at 5:45PM Apr 09, 2021Observed: 15.13 ft at 6:30PM Apr 09, 2021Observed: 15.2 ft at 6:45PM Apr 09, 2021Observed: 15.15 ft at 7:00PM Apr 09, 2021Observed: 15.17 ft at 7:15PM Apr 09, 2021Observed: 15.18 ft at 7:30PM Apr 09, 2021Observed: 15.18 ft at 7:45PM Apr 09, 2021Observed: 15.14 ft at 8:00PM Apr 09, 2021Observed: 15.17 ft at 8:15PM Apr 09, 2021Observed: 15.18 ft at 8:30PM Apr 09, 2021Observed: 15.2 ft at 8:45PM Apr 09, 2021Observed: 15.2 ft at 9:00PM Apr 09, 2021Observed: 15.19 ft at 9:15PM Apr 09, 2021Observed: 15.17 ft at 9:30PM Apr 09, 2021Observed: 15.17 ft at 9:45PM Apr 09, 2021Observed: 15.14 ft at 10:00PM Apr 09, 2021Observed: 15.17 ft at 10:15PM Apr 09, 2021Observed: 15.16 ft at 10:30PM Apr 09, 2021Observed: 15.17 ft at 10:45PM Apr 09, 2021Observed: 15.14 ft at 11:00PM Apr 09, 2021Observed: 15.17 ft at 11:15PM Apr 09, 2021Observed: 15.14 ft at 11:30PM Apr 09, 2021Observed: 15.14 ft at 11:45PM Apr 09, 2021Observed: 15.15 ft at 12:00AM Apr 10, 2021Observed: 15.17 ft at 12:15AM Apr 10, 2021Observed: 15.14 ft at 12:30AM Apr 10, 2021Observed: 15.14 ft at 12:45AM Apr 10, 2021Observed: 15.16 ft at 1:15AM Apr 10, 2021Observed: 15.15 ft at 1:30AM Apr 10, 2021Observed: 15.15 ft at 1:45AM Apr 10, 2021Observed: 15.16 ft at 2:00AM Apr 10, 2021Observed: 15.14 ft at 2:15AM Apr 10, 2021Observed: 15.14 ft at 2:30AM Apr 10, 2021Observed: 15.15 ft at 2:45AM Apr 10, 2021Observed: 15.15 ft at 3:00AM Apr 10, 2021Observed: 15.15 ft at 3:15AM Apr 10, 2021Observed: 15.18 ft at 3:30AM Apr 10, 2021Observed: 15.16 ft at 4:00AM Apr 10, 2021Observed: 15.17 ft at 4:15AM Apr 10, 2021Observed: 15.18 ft at 4:30AM Apr 10, 2021Observed: 15.17 ft at 5:15AM Apr 10, 2021Observed: 15.17 ft at 5:30AM Apr 10, 2021Observed: 15.17 ft at 5:45AM Apr 10, 2021Observed: 15.19 ft at 6:00AM Apr 10, 2021Observed: 15.18 ft at 6:15AM Apr 10, 2021Observed: 15.19 ft at 6:30AM Apr 10, 2021Observed: 15.19 ft at 7:00AM Apr 10, 2021Observed: 15.22 ft at 7:15AM Apr 10, 2021Observed: 15.22 ft at 7:30AM Apr 10, 2021Observed: 15.2 ft at 7:45AM Apr 10, 2021Observed: 15.23 ft at 8:00AM Apr 10, 2021Observed: 15.22 ft at 8:15AM Apr 10, 2021Observed: 15.22 ft at 8:30AM Apr 10, 2021Observed: 15.21 ft at 8:45AM Apr 10, 2021Observed: 15.18 ft at 9:00AM Apr 10, 2021Observed: 15.21 ft at 9:15AM Apr 10, 2021Observed: 15.19 ft at 9:30AM Apr 10, 2021Observed: 15.2 ft at 9:45AM Apr 10, 2021Observed: 15.2 ft at 10:00AM Apr 10, 2021Observed: 15.22 ft at 10:15AM Apr 10, 2021Observed: 15.22 ft at 10:30AM Apr 10, 2021Observed: 15.22 ft at 10:45AM Apr 10, 2021Observed: 15.23 ft at 11:00AM Apr 10, 2021Observed: 15.21 ft at 11:15AM Apr 10, 2021Observed: 15.21 ft at 11:30AM Apr 10, 2021Observed: 15.23 ft at 11:45AM Apr 10, 2021Observed: 15.22 ft at 12:00PM Apr 10, 2021Observed: 15.22 ft at 12:15PM Apr 10, 2021Observed: 15.19 ft at 12:30PM Apr 10, 2021Observed: 15.22 ft at 12:45PM Apr 10, 2021Observed: 15.21 ft at 1:00PM Apr 10, 2021Observed: 15.22 ft at 1:15PM Apr 10, 2021Observed: 15.23 ft at 1:30PM Apr 10, 2021Observed: 15.25 ft at 1:45PM Apr 10, 2021Observed: 15.27 ft at 2:00PM Apr 10, 2021Observed: 15.24 ft at 2:15PM Apr 10, 2021Observed: 15.24 ft at 2:30PM Apr 10, 2021Observed: 15.26 ft at 2:45PM Apr 10, 2021Observed: 15.27 ft at 3:00PM Apr 10, 2021Observed: 15.26 ft at 3:15PM Apr 10, 2021Observed: 15.25 ft at 3:30PM Apr 10, 2021Observed: 15.27 ft at 3:45PM Apr 10, 2021Observed: 15.28 ft at 4:00PM Apr 10, 2021Observed: 15.23 ft at 4:15PM Apr 10, 2021Observed: 15.25 ft at 4:30PM Apr 10, 2021Observed: 15.23 ft at 4:45PM Apr 10, 2021Observed: 15.23 ft at 5:00PM Apr 10, 2021Observed: 15.25 ft at 5:15PM Apr 10, 2021Observed: 15.27 ft at 5:30PM Apr 10, 2021Observed: 15.26 ft at 5:45PM Apr 10, 2021Observed: 15.29 ft at 6:00PM Apr 10, 2021Observed: 15.23 ft at 6:15PM Apr 10, 2021Observed: 15.26 ft at 6:30PM Apr 10, 2021Observed: 15.28 ft at 6:45PM Apr 10, 2021Observed: 15.3 ft at 7:00PM Apr 10, 2021Observed: 15.35 ft at 7:15PM Apr 10, 2021Observed: 15.35 ft at 7:30PM Apr 10, 2021Observed: 15.34 ft at 8:00PM Apr 10, 2021Observed: 15.32 ft at 8:15PM Apr 10, 2021Observed: 15.3 ft at 8:30PM Apr 10, 2021Observed: 15.33 ft at 8:45PM Apr 10, 2021Observed: 15.33 ft at 9:15PM Apr 10, 2021Observed: 15.34 ft at 9:30PM Apr 10, 2021Observed: 15.36 ft at 9:45PM Apr 10, 2021Observed: 15.35 ft at 10:00PM Apr 10, 2021Observed: 15.33 ft at 10:15PM Apr 10, 2021Observed: 15.33 ft at 10:30PM Apr 10, 2021Observed: 15.36 ft at 10:45PM Apr 10, 2021Observed: 15.39 ft at 11:00PM Apr 10, 2021Observed: 15.39 ft at 11:15PM Apr 10, 2021Observed: 15.4 ft at 11:30PM Apr 10, 2021Observed: 15.4 ft at 11:45PM Apr 10, 2021Observed: 15.4 ft at 12:00AM Apr 11, 2021Observed: 15.4 ft at 12:15AM Apr 11, 2021Observed: 15.4 ft at 12:30AM Apr 11, 2021Observed: 15.4 ft at 12:45AM Apr 11, 2021Observed: 15.4 ft at 1:00AM Apr 11, 2021Observed: 15.4 ft at 1:15AM Apr 11, 2021Observed: 15.41 ft at 1:30AM Apr 11, 2021Observed: 15.41 ft at 1:45AM Apr 11, 2021Observed: 15.41 ft at 2:00AM Apr 11, 2021Observed: 15.4 ft at 2:15AM Apr 11, 2021Observed: 15.4 ft at 2:30AM Apr 11, 2021Observed: 15.41 ft at 2:45AM Apr 11, 2021Observed: 15.41 ft at 3:00AM Apr 11, 2021Observed: 15.41 ft at 3:15AM Apr 11, 2021Observed: 15.42 ft at 3:30AM Apr 11, 2021Observed: 15.42 ft at 3:45AM Apr 11, 2021Observed: 15.42 ft at 4:00AM Apr 11, 2021Observed: 15.43 ft at 4:15AM Apr 11, 2021Observed: 15.44 ft at 4:30AM Apr 11, 2021Observed: 15.42 ft at 5:00AM Apr 11, 2021Observed: 15.43 ft at 5:30AM Apr 11, 2021Observed: 15.44 ft at 5:45AM Apr 11, 2021Observed: 15.46 ft at 6:00AM Apr 11, 2021Observed: 15.46 ft at 6:15AM Apr 11, 2021Observed: 15.46 ft at 6:30AM Apr 11, 2021Observed: 15.47 ft at 6:45AM Apr 11, 2021Observed: 15.49 ft at 7:00AM Apr 11, 2021Observed: 15.48 ft at 7:15AM Apr 11, 2021Observed: 15.48 ft at 7:30AM Apr 11, 2021Observed: 15.47 ft at 7:45AM Apr 11, 2021Observed: 15.47 ft at 8:00AM Apr 11, 2021Observed: 15.49 ft at 8:15AM Apr 11, 2021Observed: 15.51 ft at 8:30AM Apr 11, 2021Observed: 15.52 ft at 8:45AM Apr 11, 2021Observed: 15.53 ft at 9:00AM Apr 11, 2021Observed: 15.53 ft at 9:15AM Apr 11, 2021Observed: 15.53 ft at 9:45AM Apr 11, 2021Observed: 15.54 ft at 10:00AM Apr 11, 2021Observed: 15.53 ft at 10:15AM Apr 11, 2021Observed: 15.54 ft at 10:30AM Apr 11, 2021Observed: 15.54 ft at 10:45AM Apr 11, 2021Observed: 15.56 ft at 11:00AM Apr 11, 2021Observed: 15.56 ft at 11:15AM Apr 11, 2021Observed: 15.55 ft at 11:30AM Apr 11, 2021Observed: 15.57 ft at 12:00PM Apr 11, 2021Observed: 15.56 ft at 12:15PM Apr 11, 2021Observed: 15.57 ft at 12:30PM Apr 11, 2021Observed: 15.56 ft at 12:45PM Apr 11, 2021Observed: 15.58 ft at 1:00PM Apr 11, 2021Observed: 15.57 ft at 1:15PM Apr 11, 2021Observed: 15.56 ft at 1:30PM Apr 11, 2021Observed: 15.58 ft at 1:45PM Apr 11, 2021Observed: 15.57 ft at 2:00PM Apr 11, 2021Observed: 15.58 ft at 2:15PM Apr 11, 2021Observed: 15.58 ft at 2:30PM Apr 11, 2021Observed: 15.57 ft at 2:45PM Apr 11, 2021Observed: 15.58 ft at 3:00PM Apr 11, 2021Observed: 15.58 ft at 3:15PM Apr 11, 2021Observed: 15.58 ft at 3:30PM Apr 11, 2021Observed: 15.56 ft at 4:00PM Apr 11, 2021Observed: 15.56 ft at 4:15PM Apr 11, 2021Observed: 15.57 ft at 4:30PM Apr 11, 2021Observed: 15.59 ft at 4:45PM Apr 11, 2021Observed: 15.57 ft at 5:00PM Apr 11, 2021Observed: 15.55 ft at 5:15PM Apr 11, 2021Observed: 15.55 ft at 5:30PM Apr 11, 2021Observed: 15.56 ft at 5:45PM Apr 11, 2021Observed: 15.56 ft at 6:00PM Apr 11, 2021Observed: 15.55 ft at 6:15PM Apr 11, 2021Observed: 15.56 ft at 6:30PM Apr 11, 2021Observed: 15.55 ft at 6:45PM Apr 11, 2021Observed: 15.55 ft at 7:00PM Apr 11, 2021Observed: 15.55 ft at 7:15PM Apr 11, 2021Observed: 15.54 ft at 7:30PM Apr 11, 2021Observed: 15.55 ft at 7:45PM Apr 11, 2021Observed: 15.55 ft at 8:00PM Apr 11, 2021Observed: 15.55 ft at 8:15PM Apr 11, 2021Observed: 15.55 ft at 8:30PM Apr 11, 2021Observed: 15.55 ft at 8:45PM Apr 11, 2021Observed: 15.55 ft at 9:00PM Apr 11, 2021Observed: 15.55 ft at 9:15PM Apr 11, 2021Observed: 15.55 ft at 9:30PM Apr 11, 2021Observed: 15.56 ft at 9:45PM Apr 11, 2021Observed: 15.56 ft at 10:00PM Apr 11, 2021Observed: 15.56 ft at 10:15PM Apr 11, 2021Observed: 15.57 ft at 10:30PM Apr 11, 2021Observed: 15.57 ft at 10:45PM Apr 11, 2021Observed: 15.56 ft at 11:00PM Apr 11, 2021Observed: 15.6 ft at 11:15PM Apr 11, 2021Observed: 15.55 ft at 11:30PM Apr 11, 2021Observed: 15.58 ft at 11:45PM Apr 11, 2021Observed: 15.58 ft at 12:00AM Apr 12, 2021Observed: 15.57 ft at 12:15AM Apr 12, 2021Observed: 15.59 ft at 12:30AM Apr 12, 2021Observed: 15.59 ft at 12:45AM Apr 12, 2021Observed: 15.6 ft at 1:00AM Apr 12, 2021Observed: 15.57 ft at 1:15AM Apr 12, 2021Observed: 15.62 ft at 1:30AM Apr 12, 2021Observed: 15.6 ft at 1:45AM Apr 12, 2021Observed: 15.61 ft at 2:00AM Apr 12, 2021Observed: 15.6 ft at 2:15AM Apr 12, 2021Observed: 15.61 ft at 2:30AM Apr 12, 2021Observed: 15.61 ft at 2:45AM Apr 12, 2021Observed: 15.58 ft at 3:00AM Apr 12, 2021Observed: 15.59 ft at 3:15AM Apr 12, 2021Observed: 15.59 ft at 3:30AM Apr 12, 2021Observed: 15.6 ft at 3:45AM Apr 12, 2021Observed: 15.59 ft at 4:00AM Apr 12, 2021Observed: 15.59 ft at 4:15AM Apr 12, 2021Observed: 15.59 ft at 4:30AM Apr 12, 2021Observed: 15.59 ft at 4:45AM Apr 12, 2021Observed: 15.6 ft at 5:00AM Apr 12, 2021Observed: 15.59 ft at 5:15AM Apr 12, 2021Observed: 15.6 ft at 5:30AM Apr 12, 2021Observed: 15.61 ft at 5:45AM Apr 12, 2021Observed: 15.61 ft at 6:00AM Apr 12, 2021Observed: 15.61 ft at 6:15AM Apr 12, 2021Observed: 15.6 ft at 6:30AM Apr 12, 2021Observed: 15.6 ft at 6:45AM Apr 12, 2021Observed: 15.6 ft at 7:00AM Apr 12, 2021Observed: 15.6 ft at 7:15AM Apr 12, 2021Observed: 15.61 ft at 7:30AM Apr 12, 2021Observed: 15.61 ft at 7:45AM Apr 12, 2021Observed: 15.61 ft at 8:00AM Apr 12, 2021Observed: 15.64 ft at 8:15AM Apr 12, 2021Observed: 15.62 ft at 8:30AM Apr 12, 2021Observed: 15.63 ft at 8:45AM Apr 12, 2021Observed: 15.65 ft at 9:00AM Apr 12, 2021Observed: 15.65 ft at 9:15AM Apr 12, 2021Observed: 15.65 ft at 9:30AM Apr 12, 2021Observed: 15.63 ft at 9:45AM Apr 12, 2021Observed: 15.63 ft at 10:00AM Apr 12, 2021Observed: 15.62 ft at 10:15AM Apr 12, 2021Observed: 15.64 ft at 10:30AM Apr 12, 2021Observed: 15.63 ft at 10:45AM Apr 12, 2021Observed: 15.62 ft at 11:00AM Apr 12, 2021Observed: 15.63 ft at 11:15AM Apr 12, 2021Observed: 15.64 ft at 11:30AM Apr 12, 2021Observed: 15.63 ft at 11:45AM Apr 12, 2021Observed: 15.65 ft at 12:00PM Apr 12, 2021Observed: 15.63 ft at 12:15PM Apr 12, 2021Observed: 15.65 ft at 12:30PM Apr 12, 2021Observed: 15.65 ft at 12:45PM Apr 12, 2021Observed: 15.62 ft at 1:00PM Apr 12, 2021Observed: 15.64 ft at 1:15PM Apr 12, 2021Observed: 15.66 ft at 1:30PM Apr 12, 2021Observed: 15.65 ft at 1:45PM Apr 12, 2021Observed: 15.66 ft at 2:00PM Apr 12, 2021Observed: 15.67 ft at 2:15PM Apr 12, 2021Highest Observation: 15.69 ft at 2:30PM Apr 12, 2021Observed: 15.67 ft at 2:45PM Apr 12, 2021Observed: 15.65 ft at 3:00PM Apr 12, 2021Observed: 15.65 ft at 3:15PM Apr 12, 2021Observed: 15.65 ft at 3:30PM Apr 12, 2021Observed: 15.65 ft at 3:45PM Apr 12, 2021Observed: 15.67 ft at 4:00PM Apr 12, 2021Observed: 15.65 ft at 4:15PM Apr 12, 2021Observed: 15.65 ft at 4:30PM Apr 12, 2021Observed: 15.65 ft at 4:45PM Apr 12, 2021Observed: 15.64 ft at 5:00PM Apr 12, 2021Observed: 15.68 ft at 5:15PM Apr 12, 2021Observed: 15.64 ft at 5:30PM Apr 12, 2021Observed: 15.66 ft at 5:45PM Apr 12, 2021Observed: 15.65 ft at 6:00PM Apr 12, 2021Observed: 15.65 ft at 6:15PM Apr 12, 2021Observed: 15.67 ft at 6:30PM Apr 12, 2021Observed: 15.66 ft at 6:45PM Apr 12, 2021Observed: 15.65 ft at 7:00PM Apr 12, 2021Observed: 15.64 ft at 7:15PM Apr 12, 2021Observed: 15.65 ft at 7:30PM Apr 12, 2021Observed: 15.62 ft at 7:45PM Apr 12, 2021Observed: 15.63 ft at 8:00PM Apr 12, 2021Observed: 15.63 ft at 8:15PM Apr 12, 2021Observed: 15.58 ft at 8:30PM Apr 12, 2021Observed: 15.6 ft at 8:45PM Apr 12, 2021Observed: 15.63 ft at 9:00PM Apr 12, 2021Observed: 15.64 ft at 9:15PM Apr 12, 2021Observed: 15.6 ft at 9:30PM Apr 12, 2021Observed: 15.63 ft at 9:45PM Apr 12, 2021Observed: 15.64 ft at 10:00PM Apr 12, 2021Observed: 15.65 ft at 10:15PM Apr 12, 2021Observed: 15.65 ft at 10:30PM Apr 12, 2021Observed: 15.62 ft at 10:45PM Apr 12, 2021Observed: 15.65 ft at 11:00PM Apr 12, 2021Observed: 15.62 ft at 11:15PM Apr 12, 2021Observed: 15.65 ft at 11:30PM Apr 12, 2021Observed: 15.62 ft at 11:45PM Apr 12, 2021Observed: 15.62 ft at 12:00AM Apr 13, 2021Observed: 15.62 ft at 12:15AM Apr 13, 2021Observed: 15.62 ft at 12:30AM Apr 13, 2021Observed: 15.62 ft at 12:45AM Apr 13, 2021Observed: 15.62 ft at 1:00AM Apr 13, 2021Observed: 15.62 ft at 1:15AM Apr 13, 2021Observed: 15.62 ft at 1:30AM Apr 13, 2021Observed: 15.62 ft at 1:45AM Apr 13, 2021Observed: 15.63 ft at 2:00AM Apr 13, 2021Observed: 15.64 ft at 2:15AM Apr 13, 2021Observed: 15.65 ft at 2:30AM Apr 13, 2021Observed: 15.63 ft at 2:45AM Apr 13, 2021Observed: 15.63 ft at 3:00AM Apr 13, 2021Observed: 15.62 ft at 3:30AM Apr 13, 2021Observed: 15.65 ft at 3:45AM Apr 13, 2021Observed: 15.62 ft at 4:00AM Apr 13, 2021Observed: 15.63 ft at 4:15AM Apr 13, 2021Observed: 15.62 ft at 4:30AM Apr 13, 2021Observed: 15.6 ft at 4:45AM Apr 13, 2021Observed: 15.59 ft at 5:00AM Apr 13, 2021Observed: 15.61 ft at 5:15AM Apr 13, 2021Observed: 15.58 ft at 5:30AM Apr 13, 2021Observed: 15.58 ft at 5:45AM Apr 13, 2021Observed: 15.58 ft at 6:00AM Apr 13, 2021Observed: 15.59 ft at 6:15AM Apr 13, 2021Observed: 15.59 ft at 6:30AM Apr 13, 2021Observed: 15.59 ft at 6:45AM Apr 13, 2021Observed: 15.59 ft at 7:00AM Apr 13, 2021Observed: 15.58 ft at 7:15AM Apr 13, 2021Observed: 15.58 ft at 7:30AM Apr 13, 2021Observed: 15.57 ft at 7:45AM Apr 13, 2021Observed: 15.56 ft at 8:00AM Apr 13, 2021Observed: 15.58 ft at 8:15AM Apr 13, 2021Observed: 15.56 ft at 8:30AM Apr 13, 2021Observed: 15.57 ft at 8:45AM Apr 13, 2021Observed: 15.57 ft at 9:00AM Apr 13, 2021Observed: 15.55 ft at 9:15AM Apr 13, 2021Observed: 15.56 ft at 9:30AM Apr 13, 2021Observed: 15.57 ft at 9:45AM Apr 13, 2021Observed: 15.55 ft at 10:00AM Apr 13, 2021Observed: 15.57 ft at 10:15AM Apr 13, 2021Observed: 15.56 ft at 10:30AM Apr 13, 2021Observed: 15.55 ft at 10:45AM Apr 13, 2021Observed: 15.54 ft at 11:00AM Apr 13, 2021Observed: 15.53 ft at 11:15AM Apr 13, 2021Observed: 15.51 ft at 11:30AM Apr 13, 2021Observed: 15.56 ft at 11:45AM Apr 13, 2021Observed: 15.52 ft at 12:00PM Apr 13, 2021Observed: 15.55 ft at 12:15PM Apr 13, 2021Observed: 15.58 ft at 12:30PM Apr 13, 2021Observed: 15.57 ft at 12:45PM Apr 13, 2021Observed: 15.59 ft at 1:00PM Apr 13, 2021Observed: 15.56 ft at 1:15PM Apr 13, 2021Observed: 15.59 ft at 1:30PM Apr 13, 2021Observed: 15.55 ft at 1:45PM Apr 13, 2021Observed: 15.59 ft at 2:00PM Apr 13, 2021Observed: 15.58 ft at 2:15PM Apr 13, 2021Observed: 15.54 ft at 2:30PM Apr 13, 2021Observed: 15.53 ft at 2:45PM Apr 13, 2021Observed: 15.53 ft at 3:00PM Apr 13, 2021Observed: 15.56 ft at 3:15PM Apr 13, 2021Observed: 15.56 ft at 3:30PM Apr 13, 2021Observed: 15.57 ft at 3:45PM Apr 13, 2021Observed: 15.54 ft at 4:00PM Apr 13, 2021Observed: 15.58 ft at 4:15PM Apr 13, 2021Observed: 15.56 ft at 4:30PM Apr 13, 2021Observed: 15.56 ft at 4:45PM Apr 13, 2021Observed: 15.58 ft at 5:00PM Apr 13, 2021Observed: 15.58 ft at 5:15PM Apr 13, 2021Observed: 15.34 ft at 5:30PM Apr 13, 2021Observed: 15.6 ft at 5:45PM Apr 13, 2021Observed: 15.57 ft at 6:00PM Apr 13, 2021Observed: 15.59 ft at 6:15PM Apr 13, 2021Observed: 15.57 ft at 6:30PM Apr 13, 2021Observed: 15.55 ft at 6:45PM Apr 13, 2021Observed: 15.55 ft at 7:00PM Apr 13, 2021Observed: 15.56 ft at 7:15PM Apr 13, 2021Observed: 15.58 ft at 7:30PM Apr 13, 2021Observed: 15.56 ft at 7:45PM Apr 13, 2021Observed: 15.55 ft at 8:00PM Apr 13, 2021Observed: 15.56 ft at 8:15PM Apr 13, 2021Observed: 15.56 ft at 8:30PM Apr 13, 2021Observed: 15.56 ft at 8:45PM Apr 13, 2021Observed: 15.56 ft at 9:00PM Apr 13, 2021Observed: 15.55 ft at 9:15PM Apr 13, 2021Observed: 15.55 ft at 9:30PM Apr 13, 2021Observed: 15.54 ft at 9:45PM Apr 13, 2021Observed: 15.55 ft at 10:00PM Apr 13, 2021Observed: 15.54 ft at 10:15PM Apr 13, 2021Observed: 15.54 ft at 10:30PM Apr 13, 2021Observed: 15.53 ft at 10:45PM Apr 13, 2021Observed: 15.53 ft at 11:00PM Apr 13, 2021Observed: 15.54 ft at 11:15PM Apr 13, 2021Observed: 15.53 ft at 11:30PM Apr 13, 2021Observed: 15.53 ft at 11:45PM Apr 13, 2021Observed: 15.54 ft at 12:00AM Apr 14, 2021Observed: 15.58 ft at 12:15AM Apr 14, 2021Observed: 15.58 ft at 12:30AM Apr 14, 2021Observed: 15.55 ft at 12:45AM Apr 14, 2021Highest Forecast: 15.5 ft 7:00AM Apr 14, 2021Highest Forecast: 15.5 ft 1:00PM Apr 14, 2021Highest Forecast: 15.5 ft 7:00PM Apr 14, 2021Highest Forecast: 15.5 ft 1:00AM Apr 15, 2021Forecast: 15.4 ft 7:00AM Apr 15, 2021Forecast: 15.4 ft 1:00PM Apr 15, 2021Forecast: 15.4 ft 7:00PM Apr 15, 2021Forecast: 15.4 ft 1:00AM Apr 16, 2021Forecast: 15.4 ft 7:00AM Apr 16, 2021Forecast: 15.3 ft 1:00PM Apr 16, 2021Forecast: 15.3 ft 7:00PM Apr 16, 2021Forecast: 15.3 ft 1:00AM Apr 17, 2021Forecast: 15.3 ft 7:00AM Apr 17, 2021Forecast: 15.3 ft 1:00PM Apr 17, 2021Forecast: 15.2 ft 7:00PM Apr 17, 2021Forecast: 15.2 ft 1:00AM Apr 18, 2021Forecast: 15.2 ft 7:00AM Apr 18, 2021Forecast: 15.1 ft 1:00PM Apr 18, 2021Forecast: 15.1 ft 7:00PM Apr 18, 2021Forecast: 15.1 ft 1:00AM Apr 19, 2021Forecast: 15.1 ft 7:00AM Apr 19, 2021Forecast: 15.1 ft 1:00PM Apr 19, 2021Forecast: 15.1 ft 7:00PM Apr 19, 2021Forecast: 15.1 ft 1:00AM Apr 20, 2021Forecast: 15.1 ft 7:00AM Apr 20, 2021Forecast: 15.1 ft 1:00PM Apr 20, 2021Forecast: 15.1 ft 7:00PM Apr 20, 2021USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (1:52AM Apr 14, 2021)ObservedForecast (issued 7:08PM Apr 13)Latest observed value: 15.55 ft at 12:45 AM CDT 14-Apr-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 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 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 31.62 ft on 05/21/2020 (P)
(2) 25.25 ft on 05/03/2020 (P)
(3) 22.57 ft on 01/18/2020 (P)
(4) 24.10 ft on 11/03/2019 (P)
(5) 24.58 ft on 10/01/2019
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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 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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