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Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Observed: 15.2 ft at 9:15PM Aug 11, 2019Observed: 15.19 ft at 9:30PM Aug 11, 2019Observed: 15.19 ft at 9:45PM Aug 11, 2019Observed: 15.19 ft at 10:00PM Aug 11, 2019Observed: 15.2 ft at 10:15PM Aug 11, 2019Observed: 15.19 ft at 10:30PM Aug 11, 2019Observed: 15.2 ft at 10:45PM Aug 11, 2019Observed: 15.19 ft at 11:00PM Aug 11, 2019Observed: 15.2 ft at 11:15PM Aug 11, 2019Observed: 15.19 ft at 11:30PM Aug 11, 2019Observed: 15.2 ft at 11:45PM Aug 11, 2019Observed: 15.2 ft at 12:00AM Aug 12, 2019Observed: 15.2 ft at 12:15AM Aug 12, 2019Observed: 15.21 ft at 12:30AM Aug 12, 2019Observed: 15.21 ft at 12:45AM Aug 12, 2019Observed: 15.21 ft at 1:00AM Aug 12, 2019Observed: 15.2 ft at 1:15AM Aug 12, 2019Observed: 15.2 ft at 1:30AM Aug 12, 2019Observed: 15.19 ft at 1:45AM Aug 12, 2019Observed: 15.2 ft at 2:00AM Aug 12, 2019Observed: 15.21 ft at 2:15AM Aug 12, 2019Observed: 15.2 ft at 2:30AM Aug 12, 2019Observed: 15.21 ft at 2:45AM Aug 12, 2019Observed: 15.21 ft at 3:00AM Aug 12, 2019Observed: 15.2 ft at 3:15AM Aug 12, 2019Observed: 15.21 ft at 3:30AM Aug 12, 2019Observed: 15.21 ft at 3:45AM Aug 12, 2019Observed: 15.21 ft at 4:00AM Aug 12, 2019Observed: 15.22 ft at 4:15AM Aug 12, 2019Observed: 15.22 ft at 4:30AM Aug 12, 2019Observed: 15.21 ft at 4:45AM Aug 12, 2019Observed: 15.21 ft at 5:00AM Aug 12, 2019Observed: 15.2 ft at 5:15AM Aug 12, 2019Observed: 15.22 ft at 5:30AM Aug 12, 2019Observed: 15.2 ft at 5:45AM Aug 12, 2019Observed: 15.22 ft at 6:00AM Aug 12, 2019Observed: 15.22 ft at 6:15AM Aug 12, 2019Observed: 15.22 ft at 6:30AM Aug 12, 2019Observed: 15.22 ft at 6:45AM Aug 12, 2019Observed: 15.23 ft at 7:00AM Aug 12, 2019Observed: 15.22 ft at 7:15AM Aug 12, 2019Observed: 15.21 ft at 7:30AM Aug 12, 2019Observed: 15.2 ft at 7:45AM Aug 12, 2019Observed: 15.21 ft at 8:00AM Aug 12, 2019Observed: 15.21 ft at 8:15AM Aug 12, 2019Observed: 15.21 ft at 8:30AM Aug 12, 2019Observed: 15.21 ft at 8:45AM Aug 12, 2019Observed: 15.21 ft at 9:00AM Aug 12, 2019Observed: 15.21 ft at 9:30AM Aug 12, 2019Observed: 15.21 ft at 9:45AM Aug 12, 2019Observed: 15.21 ft at 10:00AM Aug 12, 2019Observed: 15.21 ft at 10:15AM Aug 12, 2019Observed: 15.22 ft at 10:30AM Aug 12, 2019Observed: 15.21 ft at 10:45AM Aug 12, 2019Observed: 15.22 ft at 11:00AM Aug 12, 2019Observed: 15.23 ft at 11:15AM Aug 12, 2019Observed: 15.21 ft at 11:30AM Aug 12, 2019Observed: 15.21 ft at 11:45AM Aug 12, 2019Observed: 15.21 ft at 12:00PM Aug 12, 2019Observed: 15.19 ft at 12:15PM Aug 12, 2019Observed: 15.22 ft at 12:30PM Aug 12, 2019Observed: 15.23 ft at 12:45PM Aug 12, 2019Observed: 15.12 ft at 1:00PM Aug 12, 2019Observed: 15.13 ft at 1:15PM Aug 12, 2019Observed: 15.13 ft at 1:30PM Aug 12, 2019Observed: 15.13 ft at 1:45PM Aug 12, 2019Observed: 15.13 ft at 2:00PM Aug 12, 2019Observed: 15.15 ft at 2:15PM Aug 12, 2019Observed: 15.16 ft at 2:30PM Aug 12, 2019Observed: 15.17 ft at 2:45PM Aug 12, 2019Observed: 15.16 ft at 3:00PM Aug 12, 2019Observed: 15.15 ft at 3:15PM Aug 12, 2019Observed: 15.16 ft at 3:30PM Aug 12, 2019Observed: 15.17 ft at 3:45PM Aug 12, 2019Observed: 15.17 ft at 4:00PM Aug 12, 2019Observed: 15.18 ft at 4:15PM Aug 12, 2019Observed: 15.17 ft at 4:30PM Aug 12, 2019Observed: 15.19 ft at 4:45PM Aug 12, 2019Observed: 15.18 ft at 5:00PM Aug 12, 2019Observed: 15.16 ft at 5:15PM Aug 12, 2019Observed: 15.18 ft at 5:30PM Aug 12, 2019Observed: 15.18 ft at 5:45PM Aug 12, 2019Observed: 15.17 ft at 6:00PM Aug 12, 2019Observed: 15.17 ft at 6:15PM Aug 12, 2019Observed: 15.17 ft at 6:30PM Aug 12, 2019Observed: 15.18 ft at 6:45PM Aug 12, 2019Observed: 15.17 ft at 7:00PM Aug 12, 2019Observed: 15.17 ft at 7:15PM Aug 12, 2019Observed: 15.17 ft at 7:30PM Aug 12, 2019Observed: 15.17 ft at 7:45PM Aug 12, 2019Observed: 15.17 ft at 8:15PM Aug 12, 2019Observed: 15.2 ft at 8:30PM Aug 12, 2019Observed: 15.22 ft at 8:45PM Aug 12, 2019Observed: 15.17 ft at 9:00PM Aug 12, 2019Observed: 15.18 ft at 9:15PM Aug 12, 2019Observed: 15.21 ft at 9:30PM Aug 12, 2019Observed: 15.16 ft at 9:45PM Aug 12, 2019Observed: 15.15 ft at 10:00PM Aug 12, 2019Observed: 15.15 ft at 10:15PM Aug 12, 2019Observed: 15.16 ft at 10:30PM Aug 12, 2019Observed: 15.15 ft at 10:45PM Aug 12, 2019Observed: 15.15 ft at 11:00PM Aug 12, 2019Observed: 15.16 ft at 11:15PM Aug 12, 2019Observed: 15.17 ft at 11:30PM Aug 12, 2019Observed: 15.16 ft at 11:45PM Aug 12, 2019Observed: 15.17 ft at 12:00AM Aug 13, 2019Observed: 15.15 ft at 12:15AM Aug 13, 2019Observed: 15.13 ft at 12:30AM Aug 13, 2019Observed: 15.13 ft at 12:45AM Aug 13, 2019Observed: 15.13 ft at 1:00AM Aug 13, 2019Observed: 15.12 ft at 1:15AM Aug 13, 2019Observed: 15.14 ft at 1:30AM Aug 13, 2019Observed: 15.15 ft at 1:45AM Aug 13, 2019Observed: 15.15 ft at 2:00AM Aug 13, 2019Observed: 15.18 ft at 2:15AM Aug 13, 2019Observed: 15.2 ft at 2:30AM Aug 13, 2019Observed: 15.17 ft at 2:45AM Aug 13, 2019Observed: 15.11 ft at 3:00AM Aug 13, 2019Observed: 15.13 ft at 3:30AM Aug 13, 2019Observed: 15.12 ft at 3:45AM Aug 13, 2019Observed: 15.12 ft at 4:00AM Aug 13, 2019Observed: 15.14 ft at 4:30AM Aug 13, 2019Observed: 15.15 ft at 4:45AM Aug 13, 2019Observed: 15.16 ft at 5:00AM Aug 13, 2019Observed: 15.16 ft at 5:15AM Aug 13, 2019Observed: 15.16 ft at 5:30AM Aug 13, 2019Observed: 15.16 ft at 5:45AM Aug 13, 2019Observed: 15.17 ft at 6:00AM Aug 13, 2019Observed: 15.17 ft at 6:15AM Aug 13, 2019Observed: 15.18 ft at 6:45AM Aug 13, 2019Observed: 15.16 ft at 7:00AM Aug 13, 2019Observed: 15.15 ft at 7:15AM Aug 13, 2019Observed: 15.15 ft at 7:45AM Aug 13, 2019Observed: 15.16 ft at 8:00AM Aug 13, 2019Observed: 15.17 ft at 8:15AM Aug 13, 2019Observed: 15.17 ft at 8:30AM Aug 13, 2019Observed: 15.17 ft at 8:45AM Aug 13, 2019Observed: 15.16 ft at 9:00AM Aug 13, 2019Observed: 15.16 ft at 9:15AM Aug 13, 2019Observed: 15.15 ft at 9:30AM Aug 13, 2019Observed: 15.16 ft at 9:45AM Aug 13, 2019Observed: 15.16 ft at 10:00AM Aug 13, 2019Observed: 15.16 ft at 10:15AM Aug 13, 2019Observed: 15.15 ft at 10:30AM Aug 13, 2019Observed: 15.14 ft at 10:45AM Aug 13, 2019Observed: 15.14 ft at 11:00AM Aug 13, 2019Observed: 15.15 ft at 11:15AM Aug 13, 2019Observed: 15.15 ft at 11:30AM Aug 13, 2019Observed: 15.15 ft at 11:45AM Aug 13, 2019Observed: 15.15 ft at 12:00PM Aug 13, 2019Observed: 15.15 ft at 12:15PM Aug 13, 2019Observed: 15.15 ft at 12:30PM Aug 13, 2019Observed: 15.16 ft at 12:45PM Aug 13, 2019Observed: 15.16 ft at 1:00PM Aug 13, 2019Observed: 15.16 ft at 1:15PM Aug 13, 2019Observed: 15.15 ft at 1:30PM Aug 13, 2019Observed: 15.16 ft at 1:45PM Aug 13, 2019Observed: 15.14 ft at 2:00PM Aug 13, 2019Observed: 15.13 ft at 2:15PM Aug 13, 2019Observed: 15.12 ft at 2:30PM Aug 13, 2019Observed: 15.14 ft at 2:45PM Aug 13, 2019Observed: 15.12 ft at 3:00PM Aug 13, 2019Observed: 15.13 ft at 3:15PM Aug 13, 2019Observed: 15.12 ft at 3:30PM Aug 13, 2019Observed: 15.12 ft at 3:45PM Aug 13, 2019Observed: 15.11 ft at 4:00PM Aug 13, 2019Observed: 15.12 ft at 4:15PM Aug 13, 2019Observed: 15.12 ft at 4:30PM Aug 13, 2019Observed: 15.14 ft at 4:45PM Aug 13, 2019Observed: 15.12 ft at 5:00PM Aug 13, 2019Observed: 15.11 ft at 5:15PM Aug 13, 2019Observed: 15.13 ft at 5:30PM Aug 13, 2019Observed: 15.09 ft at 5:45PM Aug 13, 2019Observed: 15.11 ft at 6:00PM Aug 13, 2019Observed: 15.06 ft at 6:15PM Aug 13, 2019Observed: 15.06 ft at 6:30PM Aug 13, 2019Observed: 15.07 ft at 6:45PM Aug 13, 2019Observed: 15.02 ft at 7:00PM Aug 13, 2019Observed: 15.05 ft at 7:15PM Aug 13, 2019Observed: 15.04 ft at 7:30PM Aug 13, 2019Observed: 15.02 ft at 8:00PM Aug 13, 2019Observed: 15.03 ft at 8:15PM Aug 13, 2019Observed: 15.03 ft at 8:30PM Aug 13, 2019Observed: 15.01 ft at 9:00PM Aug 13, 2019Observed: 15.03 ft at 9:15PM Aug 13, 2019Observed: 15.02 ft at 9:30PM Aug 13, 2019Observed: 15.03 ft at 9:45PM Aug 13, 2019Observed: 15.03 ft at 10:00PM Aug 13, 2019Observed: 15.02 ft at 10:30PM Aug 13, 2019Observed: 15.02 ft at 10:45PM Aug 13, 2019Observed: 15.01 ft at 11:00PM Aug 13, 2019Observed: 15.02 ft at 11:15PM Aug 13, 2019Observed: 15.02 ft at 11:30PM Aug 13, 2019Observed: 15.02 ft at 11:45PM Aug 13, 2019Observed: 15.02 ft at 12:00AM Aug 14, 2019Observed: 15.01 ft at 12:15AM Aug 14, 2019Observed: 15.01 ft at 12:30AM Aug 14, 2019Observed: 15 ft at 12:45AM Aug 14, 2019Observed: 15 ft at 1:00AM Aug 14, 2019Observed: 15 ft at 1:15AM Aug 14, 2019Observed: 15 ft at 1:30AM Aug 14, 2019Observed: 15 ft at 1:45AM Aug 14, 2019Observed: 15 ft at 2:00AM Aug 14, 2019Observed: 14.99 ft at 2:15AM Aug 14, 2019Observed: 15 ft at 2:30AM Aug 14, 2019Observed: 14.99 ft at 2:45AM Aug 14, 2019Observed: 14.98 ft at 3:00AM Aug 14, 2019Observed: 14.99 ft at 3:15AM Aug 14, 2019Observed: 14.98 ft at 3:30AM Aug 14, 2019Observed: 14.99 ft at 3:45AM Aug 14, 2019Observed: 14.98 ft at 4:00AM Aug 14, 2019Observed: 14.98 ft at 4:15AM Aug 14, 2019Observed: 14.98 ft at 4:30AM Aug 14, 2019Observed: 14.99 ft at 4:45AM Aug 14, 2019Observed: 14.98 ft at 5:00AM Aug 14, 2019Observed: 14.99 ft at 5:15AM Aug 14, 2019Observed: 14.99 ft at 5:30AM Aug 14, 2019Observed: 14.98 ft at 5:45AM Aug 14, 2019Observed: 14.98 ft at 6:00AM Aug 14, 2019Observed: 14.98 ft at 6:30AM Aug 14, 2019Observed: 14.99 ft at 6:45AM Aug 14, 2019Observed: 14.99 ft at 7:00AM Aug 14, 2019Observed: 14.99 ft at 7:15AM Aug 14, 2019Observed: 14.99 ft at 7:30AM Aug 14, 2019Observed: 14.99 ft at 7:45AM Aug 14, 2019Observed: 14.99 ft at 8:00AM Aug 14, 2019Observed: 14.99 ft at 8:15AM Aug 14, 2019Observed: 15 ft at 8:30AM Aug 14, 2019Observed: 14.99 ft at 8:45AM Aug 14, 2019Observed: 15 ft at 9:00AM Aug 14, 2019Observed: 15.01 ft at 9:15AM Aug 14, 2019Observed: 15.03 ft at 9:30AM Aug 14, 2019Observed: 15.02 ft at 9:45AM Aug 14, 2019Observed: 15.02 ft at 10:00AM Aug 14, 2019Observed: 15.02 ft at 10:15AM Aug 14, 2019Observed: 15.02 ft at 10:30AM Aug 14, 2019Observed: 15.01 ft at 10:45AM Aug 14, 2019Observed: 15.01 ft at 11:00AM Aug 14, 2019Observed: 14.99 ft at 11:15AM Aug 14, 2019Observed: 15 ft at 11:30AM Aug 14, 2019Observed: 15.01 ft at 11:45AM Aug 14, 2019Observed: 15.02 ft at 12:00PM Aug 14, 2019Observed: 15.01 ft at 12:15PM Aug 14, 2019Observed: 15.02 ft at 12:30PM Aug 14, 2019Observed: 15 ft at 12:45PM Aug 14, 2019Observed: 15.01 ft at 1:00PM Aug 14, 2019Observed: 15.01 ft at 1:15PM Aug 14, 2019Observed: 15.01 ft at 1:30PM Aug 14, 2019Observed: 15.03 ft at 1:45PM Aug 14, 2019Observed: 15.03 ft at 2:00PM Aug 14, 2019Observed: 15.04 ft at 2:15PM Aug 14, 2019Observed: 15.06 ft at 2:30PM Aug 14, 2019Observed: 15.04 ft at 2:45PM Aug 14, 2019Observed: 15.02 ft at 3:00PM Aug 14, 2019Observed: 15.04 ft at 3:15PM Aug 14, 2019Observed: 15.04 ft at 3:30PM Aug 14, 2019Observed: 15.03 ft at 4:30PM Aug 14, 2019Observed: 15.06 ft at 4:45PM Aug 14, 2019Observed: 15.03 ft at 5:00PM Aug 14, 2019Observed: 15.03 ft at 5:15PM Aug 14, 2019Observed: 15.03 ft at 5:30PM Aug 14, 2019Observed: 15.05 ft at 5:45PM Aug 14, 2019Observed: 15.06 ft at 6:00PM Aug 14, 2019Observed: 15.05 ft at 6:15PM Aug 14, 2019Observed: 15.04 ft at 6:30PM Aug 14, 2019Observed: 15.03 ft at 6:45PM Aug 14, 2019Observed: 15.03 ft at 7:00PM Aug 14, 2019Observed: 15.03 ft at 7:15PM Aug 14, 2019Observed: 15.03 ft at 7:30PM Aug 14, 2019Observed: 15.02 ft at 7:45PM Aug 14, 2019Observed: 15.03 ft at 8:00PM Aug 14, 2019Observed: 15.01 ft at 8:15PM Aug 14, 2019Observed: 15.01 ft at 8:30PM Aug 14, 2019Observed: 15.02 ft at 8:45PM Aug 14, 2019Observed: 15.02 ft at 9:00PM Aug 14, 2019Observed: 15.02 ft at 9:15PM Aug 14, 2019Observed: 15.02 ft at 9:30PM Aug 14, 2019Observed: 15.02 ft at 9:45PM Aug 14, 2019Observed: 15.02 ft at 10:00PM Aug 14, 2019Observed: 15.03 ft at 10:30PM Aug 14, 2019Observed: 15.01 ft at 10:45PM Aug 14, 2019Observed: 15.04 ft at 11:00PM Aug 14, 2019Observed: 15.05 ft at 11:15PM Aug 14, 2019Observed: 15.05 ft at 11:30PM Aug 14, 2019Observed: 15.04 ft at 11:45PM Aug 14, 2019Observed: 15.04 ft at 12:00AM Aug 15, 2019Observed: 15.04 ft at 12:15AM Aug 15, 2019Observed: 15.03 ft at 12:30AM Aug 15, 2019Observed: 15.04 ft at 12:45AM Aug 15, 2019Observed: 15.04 ft at 1:00AM Aug 15, 2019Observed: 15.04 ft at 1:15AM Aug 15, 2019Observed: 15.05 ft at 1:30AM Aug 15, 2019Observed: 15.04 ft at 1:45AM Aug 15, 2019Observed: 15.01 ft at 2:00AM Aug 15, 2019Observed: 15.04 ft at 2:15AM Aug 15, 2019Observed: 15.03 ft at 2:30AM Aug 15, 2019Observed: 15.01 ft at 2:45AM Aug 15, 2019Observed: 15.03 ft at 3:15AM Aug 15, 2019Observed: 15.01 ft at 3:30AM Aug 15, 2019Observed: 15.01 ft at 3:45AM Aug 15, 2019Observed: 15.03 ft at 4:00AM Aug 15, 2019Observed: 15.03 ft at 4:15AM Aug 15, 2019Observed: 14.99 ft at 4:30AM Aug 15, 2019Observed: 15.01 ft at 4:45AM Aug 15, 2019Observed: 14.99 ft at 5:00AM Aug 15, 2019Observed: 14.98 ft at 5:15AM Aug 15, 2019Observed: 14.98 ft at 5:30AM Aug 15, 2019Observed: 14.98 ft at 5:45AM Aug 15, 2019Observed: 14.98 ft at 6:00AM Aug 15, 2019Observed: 14.98 ft at 6:15AM Aug 15, 2019Observed: 14.99 ft at 6:30AM Aug 15, 2019Observed: 14.98 ft at 6:45AM Aug 15, 2019Observed: 14.98 ft at 7:00AM Aug 15, 2019Observed: 14.98 ft at 7:15AM Aug 15, 2019Observed: 14.97 ft at 7:30AM Aug 15, 2019Observed: 14.97 ft at 7:45AM Aug 15, 2019Observed: 14.98 ft at 8:00AM Aug 15, 2019Observed: 14.98 ft at 8:15AM Aug 15, 2019Observed: 14.99 ft at 8:30AM Aug 15, 2019Observed: 14.97 ft at 9:15AM Aug 15, 2019Observed: 14.98 ft at 9:30AM Aug 15, 2019Observed: 15 ft at 9:45AM Aug 15, 2019Observed: 14.97 ft at 10:00AM Aug 15, 2019Observed: 14.97 ft at 10:15AM Aug 15, 2019Observed: 14.98 ft at 10:30AM Aug 15, 2019Observed: 14.97 ft at 10:45AM Aug 15, 2019Observed: 14.95 ft at 11:15AM Aug 15, 2019Observed: 14.95 ft at 11:30AM Aug 15, 2019Observed: 14.94 ft at 11:45AM Aug 15, 2019Observed: 14.95 ft at 12:00PM Aug 15, 2019Observed: 14.97 ft at 12:15PM Aug 15, 2019Observed: 14.96 ft at 12:30PM Aug 15, 2019Observed: 14.96 ft at 12:45PM Aug 15, 2019Observed: 14.95 ft at 1:00PM Aug 15, 2019Observed: 14.94 ft at 1:15PM Aug 15, 2019Observed: 14.94 ft at 1:30PM Aug 15, 2019Observed: 14.95 ft at 1:45PM Aug 15, 2019Observed: 14.95 ft at 2:00PM Aug 15, 2019Observed: 14.95 ft at 2:15PM Aug 15, 2019Observed: 14.95 ft at 2:30PM Aug 15, 2019Observed: 14.94 ft at 2:45PM Aug 15, 2019Observed: 14.94 ft at 3:00PM Aug 15, 2019Observed: 14.94 ft at 3:15PM Aug 15, 2019Observed: 14.95 ft at 3:30PM Aug 15, 2019Observed: 14.94 ft at 3:45PM Aug 15, 2019Observed: 14.96 ft at 4:00PM Aug 15, 2019Observed: 14.96 ft at 4:15PM Aug 15, 2019Observed: 14.97 ft at 4:30PM Aug 15, 2019Observed: 14.97 ft at 4:45PM Aug 15, 2019Observed: 14.97 ft at 5:00PM Aug 15, 2019Observed: 14.97 ft at 5:30PM Aug 15, 2019Observed: 14.96 ft at 5:45PM Aug 15, 2019Observed: 14.97 ft at 6:00PM Aug 15, 2019Observed: 14.98 ft at 6:15PM Aug 15, 2019Observed: 14.97 ft at 6:30PM Aug 15, 2019Observed: 14.97 ft at 6:45PM Aug 15, 2019Observed: 14.96 ft at 7:00PM Aug 15, 2019Observed: 14.96 ft at 7:15PM Aug 15, 2019Observed: 14.97 ft at 7:30PM Aug 15, 2019Observed: 14.97 ft at 7:45PM Aug 15, 2019Observed: 14.97 ft at 8:00PM Aug 15, 2019Observed: 14.97 ft at 8:15PM Aug 15, 2019Observed: 14.97 ft at 8:30PM Aug 15, 2019Observed: 14.98 ft at 8:45PM Aug 15, 2019Observed: 14.99 ft at 9:00PM Aug 15, 2019Observed: 14.99 ft at 9:15PM Aug 15, 2019Observed: 14.98 ft at 9:30PM Aug 15, 2019Observed: 14.99 ft at 9:45PM Aug 15, 2019Observed: 14.98 ft at 10:00PM Aug 15, 2019Observed: 14.99 ft at 10:15PM Aug 15, 2019Observed: 14.99 ft at 10:30PM Aug 15, 2019Observed: 14.99 ft at 10:45PM Aug 15, 2019Observed: 14.99 ft at 11:00PM Aug 15, 2019Observed: 14.98 ft at 11:15PM Aug 15, 2019Observed: 14.99 ft at 11:30PM Aug 15, 2019Observed: 14.97 ft at 11:45PM Aug 15, 2019Observed: 14.99 ft at 12:00AM Aug 16, 2019Observed: 14.97 ft at 12:15AM Aug 16, 2019Observed: 14.98 ft at 12:30AM Aug 16, 2019Observed: 14.96 ft at 12:45AM Aug 16, 2019Observed: 14.97 ft at 1:00AM Aug 16, 2019Observed: 14.96 ft at 1:15AM Aug 16, 2019Observed: 14.96 ft at 1:30AM Aug 16, 2019Observed: 14.96 ft at 1:45AM Aug 16, 2019Observed: 14.96 ft at 2:00AM Aug 16, 2019Observed: 14.96 ft at 2:15AM Aug 16, 2019Observed: 14.96 ft at 2:30AM Aug 16, 2019Observed: 14.95 ft at 2:45AM Aug 16, 2019Observed: 14.95 ft at 3:00AM Aug 16, 2019Observed: 14.95 ft at 3:15AM Aug 16, 2019Observed: 14.94 ft at 4:15AM Aug 16, 2019Observed: 14.92 ft at 4:30AM Aug 16, 2019Observed: 14.9 ft at 4:45AM Aug 16, 2019Observed: 14.89 ft at 5:00AM Aug 16, 2019Observed: 14.93 ft at 5:15AM Aug 16, 2019Observed: 14.91 ft at 5:30AM Aug 16, 2019Observed: 14.9 ft at 5:45AM Aug 16, 2019Observed: 14.91 ft at 6:00AM Aug 16, 2019Observed: 14.91 ft at 6:15AM Aug 16, 2019Observed: 14.91 ft at 6:30AM Aug 16, 2019Observed: 14.92 ft at 6:45AM Aug 16, 2019Observed: 14.91 ft at 7:00AM Aug 16, 2019Observed: 14.92 ft at 7:15AM Aug 16, 2019Observed: 14.91 ft at 7:30AM Aug 16, 2019Observed: 14.91 ft at 7:45AM Aug 16, 2019Observed: 14.9 ft at 8:00AM Aug 16, 2019Observed: 14.89 ft at 8:15AM Aug 16, 2019Observed: 14.91 ft at 8:30AM Aug 16, 2019Observed: 14.89 ft at 8:45AM Aug 16, 2019Observed: 14.9 ft at 9:00AM Aug 16, 2019Observed: 14.9 ft at 9:15AM Aug 16, 2019Observed: 14.9 ft at 9:30AM Aug 16, 2019Observed: 14.91 ft at 9:45AM Aug 16, 2019Observed: 14.88 ft at 10:00AM Aug 16, 2019Observed: 14.88 ft at 10:15AM Aug 16, 2019Observed: 14.86 ft at 10:30AM Aug 16, 2019Observed: 14.89 ft at 10:45AM Aug 16, 2019Observed: 14.87 ft at 11:00AM Aug 16, 2019Observed: 14.88 ft at 11:15AM Aug 16, 2019Observed: 14.93 ft at 11:30AM Aug 16, 2019Observed: 14.9 ft at 11:45AM Aug 16, 2019Observed: 14.97 ft at 12:00PM Aug 16, 2019Observed: 14.97 ft at 12:15PM Aug 16, 2019Observed: 14.93 ft at 12:30PM Aug 16, 2019Observed: 14.98 ft at 12:45PM Aug 16, 2019Observed: 14.98 ft at 1:00PM Aug 16, 2019Observed: 14.98 ft at 1:15PM Aug 16, 2019Observed: 14.98 ft at 1:30PM Aug 16, 2019Observed: 15.01 ft at 1:45PM Aug 16, 2019Observed: 14.99 ft at 2:00PM Aug 16, 2019Observed: 14.98 ft at 2:15PM Aug 16, 2019Observed: 14.99 ft at 2:30PM Aug 16, 2019Observed: 14.98 ft at 2:45PM Aug 16, 2019Observed: 15 ft at 3:00PM Aug 16, 2019Observed: 15.02 ft at 3:30PM Aug 16, 2019Observed: 14.99 ft at 3:45PM Aug 16, 2019Observed: 14.99 ft at 4:00PM Aug 16, 2019Observed: 14.98 ft at 4:15PM Aug 16, 2019Observed: 14.99 ft at 4:30PM Aug 16, 2019Observed: 14.98 ft at 4:45PM Aug 16, 2019Observed: 15.01 ft at 5:00PM Aug 16, 2019Observed: 14.99 ft at 5:15PM Aug 16, 2019Observed: 15.01 ft at 5:30PM Aug 16, 2019Observed: 15.02 ft at 5:45PM Aug 16, 2019Observed: 15.02 ft at 6:00PM Aug 16, 2019Observed: 15.01 ft at 6:15PM Aug 16, 2019Observed: 15.03 ft at 6:30PM Aug 16, 2019Observed: 15 ft at 7:00PM Aug 16, 2019Observed: 15.02 ft at 7:15PM Aug 16, 2019Observed: 15.05 ft at 7:30PM Aug 16, 2019Observed: 15.07 ft at 7:45PM Aug 16, 2019Observed: 15.05 ft at 8:00PM Aug 16, 2019Observed: 15.05 ft at 8:15PM Aug 16, 2019Observed: 15.05 ft at 8:30PM Aug 16, 2019Observed: 15.05 ft at 8:45PM Aug 16, 2019Observed: 15.08 ft at 9:00PM Aug 16, 2019Observed: 15.07 ft at 9:15PM Aug 16, 2019Observed: 15.04 ft at 9:30PM Aug 16, 2019Observed: 15.06 ft at 9:45PM Aug 16, 2019Observed: 15.06 ft at 10:00PM Aug 16, 2019Observed: 15.07 ft at 10:15PM Aug 16, 2019Observed: 15.07 ft at 10:30PM Aug 16, 2019Observed: 15.06 ft at 10:45PM Aug 16, 2019Observed: 15.06 ft at 11:00PM Aug 16, 2019Observed: 15.07 ft at 11:15PM Aug 16, 2019Observed: 15.07 ft at 11:30PM Aug 16, 2019Observed: 15.05 ft at 11:45PM Aug 16, 2019Observed: 15.06 ft at 12:00AM Aug 17, 2019Observed: 15.06 ft at 12:15AM Aug 17, 2019Observed: 15.06 ft at 12:30AM Aug 17, 2019Observed: 15.07 ft at 12:45AM Aug 17, 2019Observed: 15.04 ft at 1:00AM Aug 17, 2019Observed: 15.04 ft at 1:15AM Aug 17, 2019Observed: 15.04 ft at 1:30AM Aug 17, 2019Observed: 15.05 ft at 1:45AM Aug 17, 2019Observed: 15.06 ft at 2:00AM Aug 17, 2019Observed: 15.06 ft at 2:15AM Aug 17, 2019Observed: 15.05 ft at 2:30AM Aug 17, 2019Observed: 15.06 ft at 2:45AM Aug 17, 2019Observed: 15.06 ft at 3:00AM Aug 17, 2019Observed: 15.04 ft at 3:15AM Aug 17, 2019Observed: 15.06 ft at 3:30AM Aug 17, 2019Observed: 15.04 ft at 3:45AM Aug 17, 2019Observed: 15.05 ft at 4:00AM Aug 17, 2019Observed: 15.05 ft at 4:15AM Aug 17, 2019Observed: 15.04 ft at 4:30AM Aug 17, 2019Observed: 15.04 ft at 4:45AM Aug 17, 2019Observed: 15.07 ft at 5:15AM Aug 17, 2019Observed: 15.03 ft at 5:30AM Aug 17, 2019Observed: 15.03 ft at 6:00AM Aug 17, 2019Observed: 15.03 ft at 6:30AM Aug 17, 2019Observed: 15.02 ft at 6:45AM Aug 17, 2019Observed: 15.03 ft at 7:00AM Aug 17, 2019Observed: 15.02 ft at 7:15AM Aug 17, 2019Observed: 15.02 ft at 7:30AM Aug 17, 2019Observed: 15.03 ft at 7:45AM Aug 17, 2019Observed: 15.02 ft at 8:00AM Aug 17, 2019Observed: 15.02 ft at 8:15AM Aug 17, 2019Observed: 15.02 ft at 8:30AM Aug 17, 2019Observed: 15.07 ft at 8:45AM Aug 17, 2019Observed: 15.02 ft at 9:00AM Aug 17, 2019Observed: 15.01 ft at 9:15AM Aug 17, 2019Observed: 15.02 ft at 9:30AM Aug 17, 2019Observed: 15.03 ft at 9:45AM Aug 17, 2019Observed: 15.03 ft at 10:00AM Aug 17, 2019Observed: 15.05 ft at 10:15AM Aug 17, 2019Observed: 15.05 ft at 10:30AM Aug 17, 2019Observed: 15.08 ft at 10:45AM Aug 17, 2019Observed: 15.02 ft at 11:00AM Aug 17, 2019Observed: 15.08 ft at 11:15AM Aug 17, 2019Observed: 15.09 ft at 11:30AM Aug 17, 2019Observed: 15.08 ft at 11:45AM Aug 17, 2019Observed: 15.1 ft at 12:00PM Aug 17, 2019Observed: 15.09 ft at 12:15PM Aug 17, 2019Observed: 15.1 ft at 12:45PM Aug 17, 2019Observed: 15.11 ft at 1:00PM Aug 17, 2019Observed: 15.1 ft at 1:15PM Aug 17, 2019Observed: 15.11 ft at 1:30PM Aug 17, 2019Observed: 15.16 ft at 1:45PM Aug 17, 2019Observed: 15.18 ft at 2:00PM Aug 17, 2019Observed: 15.12 ft at 2:15PM Aug 17, 2019Observed: 15.15 ft at 2:30PM Aug 17, 2019Observed: 15.14 ft at 2:45PM Aug 17, 2019Observed: 15.16 ft at 3:00PM Aug 17, 2019Observed: 15.21 ft at 3:15PM Aug 17, 2019Observed: 15.23 ft at 3:30PM Aug 17, 2019Observed: 15.18 ft at 3:45PM Aug 17, 2019Observed: 15.17 ft at 4:00PM Aug 17, 2019Observed: 15.16 ft at 4:15PM Aug 17, 2019Observed: 15.18 ft at 4:30PM Aug 17, 2019Observed: 15.17 ft at 4:45PM Aug 17, 2019Observed: 15.15 ft at 5:00PM Aug 17, 2019Observed: 15.14 ft at 5:15PM Aug 17, 2019Observed: 15.2 ft at 5:30PM Aug 17, 2019Observed: 15.23 ft at 5:45PM Aug 17, 2019Observed: 15.23 ft at 6:00PM Aug 17, 2019Observed: 15.19 ft at 6:15PM Aug 17, 2019Observed: 15.2 ft at 6:30PM Aug 17, 2019Observed: 15.15 ft at 6:45PM Aug 17, 2019Observed: 15.21 ft at 7:00PM Aug 17, 2019Observed: 15.21 ft at 7:15PM Aug 17, 2019Observed: 15.18 ft at 7:30PM Aug 17, 2019Observed: 15.21 ft at 7:45PM Aug 17, 2019Observed: 15.21 ft at 8:00PM Aug 17, 2019Observed: 15.22 ft at 8:15PM Aug 17, 2019Observed: 15.22 ft at 8:30PM Aug 17, 2019Observed: 15.21 ft at 8:45PM Aug 17, 2019Observed: 15.21 ft at 9:00PM Aug 17, 2019Observed: 15.22 ft at 9:15PM Aug 17, 2019Observed: 15.21 ft at 9:30PM Aug 17, 2019Observed: 15.2 ft at 9:45PM Aug 17, 2019Observed: 15.21 ft at 10:00PM Aug 17, 2019Observed: 15.2 ft at 10:15PM Aug 17, 2019Observed: 15.2 ft at 10:30PM Aug 17, 2019Observed: 15.19 ft at 10:45PM Aug 17, 2019Observed: 15.2 ft at 11:00PM Aug 17, 2019Observed: 15.21 ft at 11:15PM Aug 17, 2019Observed: 15.21 ft at 11:30PM Aug 17, 2019Observed: 15.2 ft at 11:45PM Aug 17, 2019Observed: 15.22 ft at 12:00AM Aug 18, 2019Observed: 15.2 ft at 12:15AM Aug 18, 2019Observed: 15.18 ft at 12:30AM Aug 18, 2019Observed: 15.2 ft at 1:00AM Aug 18, 2019Observed: 15.19 ft at 1:30AM Aug 18, 2019Observed: 15.16 ft at 1:45AM Aug 18, 2019Observed: 15.19 ft at 2:00AM Aug 18, 2019Observed: 15.2 ft at 2:15AM Aug 18, 2019Observed: 15.2 ft at 2:30AM Aug 18, 2019Observed: 15.2 ft at 2:45AM Aug 18, 2019Observed: 15.21 ft at 3:00AM Aug 18, 2019Observed: 15.19 ft at 3:15AM Aug 18, 2019Observed: 15.16 ft at 3:30AM Aug 18, 2019Observed: 15.18 ft at 3:45AM Aug 18, 2019Observed: 15.21 ft at 4:00AM Aug 18, 2019Observed: 15.21 ft at 4:15AM Aug 18, 2019Observed: 15.2 ft at 4:30AM Aug 18, 2019Observed: 15.19 ft at 4:45AM Aug 18, 2019Observed: 15.18 ft at 5:00AM Aug 18, 2019Observed: 15.19 ft at 5:15AM Aug 18, 2019Observed: 15.18 ft at 5:30AM Aug 18, 2019Observed: 15.18 ft at 5:45AM Aug 18, 2019Observed: 15.2 ft at 6:00AM Aug 18, 2019Observed: 15.23 ft at 6:15AM Aug 18, 2019Observed: 15.19 ft at 6:30AM Aug 18, 2019Observed: 15.16 ft at 6:45AM Aug 18, 2019Observed: 15.19 ft at 7:00AM Aug 18, 2019Observed: 15.18 ft at 7:15AM Aug 18, 2019Observed: 15.19 ft at 7:30AM Aug 18, 2019Observed: 15.19 ft at 7:45AM Aug 18, 2019Observed: 15.21 ft at 8:00AM Aug 18, 2019Observed: 15.23 ft at 8:15AM Aug 18, 2019Observed: 15.28 ft at 8:30AM Aug 18, 2019Observed: 15.3 ft at 8:45AM Aug 18, 2019Observed: 15.32 ft at 9:00AM Aug 18, 2019Observed: 15.29 ft at 9:15AM Aug 18, 2019Observed: 15.26 ft at 9:30AM Aug 18, 2019Observed: 15.24 ft at 9:45AM Aug 18, 2019Observed: 15.22 ft at 10:00AM Aug 18, 2019Observed: 15.23 ft at 10:15AM Aug 18, 2019Observed: 15.2 ft at 10:30AM Aug 18, 2019Observed: 15.24 ft at 10:45AM Aug 18, 2019Observed: 15.23 ft at 11:00AM Aug 18, 2019Observed: 15.21 ft at 11:15AM Aug 18, 2019Observed: 15.18 ft at 11:30AM Aug 18, 2019Observed: 15.18 ft at 11:45AM Aug 18, 2019Observed: 15.16 ft at 12:00PM Aug 18, 2019Observed: 15.18 ft at 12:15PM Aug 18, 2019Observed: 15.14 ft at 12:30PM Aug 18, 2019Observed: 15.13 ft at 12:45PM Aug 18, 2019Observed: 15.1 ft at 1:00PM Aug 18, 2019Observed: 15.07 ft at 1:15PM Aug 18, 2019Observed: 15.15 ft at 1:30PM Aug 18, 2019Observed: 15.16 ft at 1:45PM Aug 18, 2019Observed: 15.25 ft at 2:00PM Aug 18, 2019Observed: 15.29 ft at 2:15PM Aug 18, 2019Observed: 15.29 ft at 2:30PM Aug 18, 2019Observed: 15.31 ft at 2:45PM Aug 18, 2019Highest Observation: 15.33 ft at 3:00PM Aug 18, 2019Observed: 15.26 ft at 3:15PM Aug 18, 2019Observed: 15.26 ft at 3:30PM Aug 18, 2019Observed: 15.3 ft at 3:45PM Aug 18, 2019Observed: 15.24 ft at 4:00PM Aug 18, 2019Observed: 15.29 ft at 4:15PM Aug 18, 2019Observed: 15.26 ft at 4:30PM Aug 18, 2019Observed: 15.27 ft at 4:45PM Aug 18, 2019Observed: 15.28 ft at 5:00PM Aug 18, 2019Observed: 15.28 ft at 5:15PM Aug 18, 2019Observed: 15.3 ft at 5:30PM Aug 18, 2019Observed: 15.27 ft at 5:45PM Aug 18, 2019Observed: 15.3 ft at 6:00PM Aug 18, 2019Observed: 15.28 ft at 6:15PM Aug 18, 2019Observed: 15.27 ft at 6:30PM Aug 18, 2019Observed: 15.28 ft at 6:45PM Aug 18, 2019Observed: 15.3 ft at 7:00PM Aug 18, 2019Observed: 15.28 ft at 7:15PM Aug 18, 2019Observed: 15.29 ft at 7:30PM Aug 18, 2019Observed: 15.26 ft at 7:45PM Aug 18, 2019Observed: 15.25 ft at 8:00PM Aug 18, 2019Observed: 15.25 ft at 8:15PM Aug 18, 2019Observed: 15.26 ft at 8:30PM Aug 18, 2019Observed: 15.26 ft at 8:45PM Aug 18, 2019Forecast: 15.3 ft 1:00AM Aug 19, 2019Forecast: 15.3 ft 7:00AM Aug 19, 2019Forecast: 15.4 ft 1:00PM Aug 19, 2019Highest Forecast: 15.5 ft 7:00PM Aug 19, 2019Highest Forecast: 15.5 ft 1:00AM Aug 20, 2019Highest Forecast: 15.5 ft 7:00AM Aug 20, 2019Highest Forecast: 15.5 ft 1:00PM Aug 20, 2019Highest Forecast: 15.5 ft 7:00PM Aug 20, 2019Forecast: 15.4 ft 1:00AM Aug 21, 2019Forecast: 15.4 ft 7:00AM Aug 21, 2019Forecast: 15.3 ft 1:00PM Aug 21, 2019Forecast: 15.3 ft 7:00PM Aug 21, 2019Forecast: 15.2 ft 1:00AM Aug 22, 2019Forecast: 15.2 ft 7:00AM Aug 22, 2019Forecast: 15.1 ft 1:00PM Aug 22, 2019Forecast: 15.1 ft 7:00PM Aug 22, 2019Forecast: 15 ft 1:00AM Aug 23, 2019Forecast: 15 ft 7:00AM Aug 23, 2019Forecast: 15 ft 1:00PM Aug 23, 2019Forecast: 15 ft 7:00PM Aug 23, 2019Forecast: 15 ft 1:00AM Aug 24, 2019Forecast: 15 ft 7:00AM Aug 24, 2019Forecast: 15 ft 1:00PM Aug 24, 2019Forecast: 15 ft 7:00PM Aug 24, 2019Forecast: 15 ft 1:00AM Aug 25, 2019Forecast: 14.9 ft 7:00AM Aug 25, 2019Forecast: 14.9 ft 1:00PM Aug 25, 2019Forecast: 14.9 ft 7:00PM Aug 25, 2019USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (9:06PM Aug 18, 2019)ObservedForecast (issued 8:29PM Aug 18)Latest observed value: 15.26 ft at 8:45 PM CDT 18-Aug-2019. 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) 31.49 ft on 03/13/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.28 ft on 07/06/2019 (P)
(2) 23.15 ft on 06/23/2019 (P)
(3) 29.89 ft on 06/01/2019 (P)
(4) 31.27 ft on 05/06/2019 (P)
(5) 22.47 ft on 03/17/2019 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
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:
Additional Information Collapse
USGS Streamflow Duration Hydrograph
How low could the river get?
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Hydrologic Resources Additional Resources
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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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