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Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Observed: 14.76 ft at 2:15PM Aug 04, 2020Observed: 14.79 ft at 2:30PM Aug 04, 2020Observed: 14.78 ft at 2:45PM Aug 04, 2020Observed: 14.78 ft at 3:00PM Aug 04, 2020Observed: 14.78 ft at 3:15PM Aug 04, 2020Observed: 14.78 ft at 3:30PM Aug 04, 2020Observed: 14.78 ft at 3:45PM Aug 04, 2020Observed: 14.78 ft at 4:00PM Aug 04, 2020Observed: 14.77 ft at 4:15PM Aug 04, 2020Observed: 14.78 ft at 4:30PM Aug 04, 2020Observed: 14.77 ft at 4:45PM Aug 04, 2020Observed: 14.76 ft at 5:00PM Aug 04, 2020Observed: 14.75 ft at 5:15PM Aug 04, 2020Observed: 14.76 ft at 5:30PM Aug 04, 2020Observed: 14.77 ft at 5:45PM Aug 04, 2020Observed: 14.76 ft at 6:00PM Aug 04, 2020Observed: 14.77 ft at 6:15PM Aug 04, 2020Observed: 14.76 ft at 6:30PM Aug 04, 2020Observed: 14.76 ft at 6:45PM Aug 04, 2020Observed: 14.76 ft at 7:00PM Aug 04, 2020Observed: 14.76 ft at 7:15PM Aug 04, 2020Observed: 14.75 ft at 7:30PM Aug 04, 2020Observed: 14.74 ft at 7:45PM Aug 04, 2020Observed: 14.74 ft at 8:00PM Aug 04, 2020Observed: 14.74 ft at 8:15PM Aug 04, 2020Observed: 14.75 ft at 8:30PM Aug 04, 2020Observed: 14.74 ft at 8:45PM Aug 04, 2020Observed: 14.74 ft at 9:00PM Aug 04, 2020Observed: 14.73 ft at 9:15PM Aug 04, 2020Observed: 14.73 ft at 9:30PM Aug 04, 2020Observed: 14.73 ft at 9:45PM Aug 04, 2020Observed: 14.73 ft at 10:00PM Aug 04, 2020Observed: 14.74 ft at 10:15PM Aug 04, 2020Observed: 14.74 ft at 10:30PM Aug 04, 2020Observed: 14.75 ft at 10:45PM Aug 04, 2020Observed: 14.75 ft at 11:00PM Aug 04, 2020Observed: 14.75 ft at 11:15PM Aug 04, 2020Observed: 14.76 ft at 11:30PM Aug 04, 2020Observed: 14.76 ft at 11:45PM Aug 04, 2020Observed: 14.76 ft at 12:00AM Aug 05, 2020Observed: 14.77 ft at 12:15AM Aug 05, 2020Observed: 14.77 ft at 12:30AM Aug 05, 2020Observed: 14.77 ft at 12:45AM Aug 05, 2020Observed: 14.78 ft at 1:00AM Aug 05, 2020Observed: 14.79 ft at 1:15AM Aug 05, 2020Observed: 14.81 ft at 1:30AM Aug 05, 2020Observed: 14.78 ft at 1:45AM Aug 05, 2020Observed: 14.78 ft at 2:00AM Aug 05, 2020Observed: 14.78 ft at 2:15AM Aug 05, 2020Observed: 14.78 ft at 2:30AM Aug 05, 2020Observed: 14.79 ft at 2:45AM Aug 05, 2020Observed: 14.78 ft at 3:00AM Aug 05, 2020Observed: 14.79 ft at 3:15AM Aug 05, 2020Observed: 14.79 ft at 3:30AM Aug 05, 2020Observed: 14.79 ft at 3:45AM Aug 05, 2020Observed: 14.79 ft at 4:00AM Aug 05, 2020Observed: 14.8 ft at 4:15AM Aug 05, 2020Observed: 14.8 ft at 4:30AM Aug 05, 2020Observed: 14.8 ft at 4:45AM Aug 05, 2020Observed: 14.8 ft at 5:00AM Aug 05, 2020Observed: 14.8 ft at 5:15AM Aug 05, 2020Observed: 14.8 ft at 5:30AM Aug 05, 2020Observed: 14.81 ft at 5:45AM Aug 05, 2020Observed: 14.81 ft at 6:00AM Aug 05, 2020Observed: 14.81 ft at 6:15AM Aug 05, 2020Observed: 14.81 ft at 6:30AM Aug 05, 2020Observed: 14.81 ft at 6:45AM Aug 05, 2020Observed: 14.81 ft at 7:00AM Aug 05, 2020Observed: 14.82 ft at 7:15AM Aug 05, 2020Observed: 14.82 ft at 7:30AM Aug 05, 2020Observed: 14.82 ft at 7:45AM Aug 05, 2020Observed: 14.82 ft at 8:00AM Aug 05, 2020Observed: 14.82 ft at 8:15AM Aug 05, 2020Observed: 14.82 ft at 8:30AM Aug 05, 2020Observed: 14.82 ft at 8:45AM Aug 05, 2020Observed: 14.82 ft at 9:00AM Aug 05, 2020Observed: 14.82 ft at 9:15AM Aug 05, 2020Observed: 14.83 ft at 9:30AM Aug 05, 2020Observed: 14.83 ft at 9:45AM Aug 05, 2020Observed: 14.82 ft at 10:00AM Aug 05, 2020Observed: 14.82 ft at 10:15AM Aug 05, 2020Observed: 14.81 ft at 10:30AM Aug 05, 2020Observed: 14.82 ft at 10:45AM Aug 05, 2020Observed: 14.83 ft at 11:00AM Aug 05, 2020Observed: 14.83 ft at 11:15AM Aug 05, 2020Observed: 14.84 ft at 11:30AM Aug 05, 2020Observed: 14.84 ft at 11:45AM Aug 05, 2020Observed: 14.85 ft at 12:00PM Aug 05, 2020Observed: 14.85 ft at 12:15PM Aug 05, 2020Observed: 14.87 ft at 12:30PM Aug 05, 2020Observed: 14.86 ft at 12:45PM Aug 05, 2020Observed: 14.86 ft at 1:00PM Aug 05, 2020Observed: 14.87 ft at 1:15PM Aug 05, 2020Observed: 14.86 ft at 1:30PM Aug 05, 2020Observed: 14.86 ft at 1:45PM Aug 05, 2020Observed: 14.86 ft at 2:00PM Aug 05, 2020Observed: 14.87 ft at 2:15PM Aug 05, 2020Observed: 14.88 ft at 2:30PM Aug 05, 2020Observed: 14.89 ft at 2:45PM Aug 05, 2020Observed: 14.88 ft at 3:00PM Aug 05, 2020Observed: 14.88 ft at 3:15PM Aug 05, 2020Observed: 14.87 ft at 3:30PM Aug 05, 2020Observed: 14.88 ft at 3:45PM Aug 05, 2020Observed: 14.89 ft at 4:00PM Aug 05, 2020Observed: 14.89 ft at 4:15PM Aug 05, 2020Observed: 14.88 ft at 4:30PM Aug 05, 2020Observed: 14.88 ft at 4:45PM Aug 05, 2020Observed: 14.88 ft at 5:00PM Aug 05, 2020Observed: 14.88 ft at 5:15PM Aug 05, 2020Observed: 14.88 ft at 5:30PM Aug 05, 2020Observed: 14.88 ft at 5:45PM Aug 05, 2020Observed: 14.88 ft at 6:00PM Aug 05, 2020Observed: 14.88 ft at 6:15PM Aug 05, 2020Observed: 14.88 ft at 6:30PM Aug 05, 2020Observed: 14.88 ft at 6:45PM Aug 05, 2020Observed: 14.88 ft at 7:00PM Aug 05, 2020Observed: 14.88 ft at 7:15PM Aug 05, 2020Observed: 14.89 ft at 7:30PM Aug 05, 2020Observed: 14.89 ft at 7:45PM Aug 05, 2020Observed: 14.88 ft at 8:00PM Aug 05, 2020Observed: 14.88 ft at 8:15PM Aug 05, 2020Observed: 14.89 ft at 8:30PM Aug 05, 2020Observed: 14.89 ft at 8:45PM Aug 05, 2020Observed: 14.9 ft at 9:00PM Aug 05, 2020Observed: 14.9 ft at 9:15PM Aug 05, 2020Observed: 14.9 ft at 9:30PM Aug 05, 2020Observed: 14.9 ft at 9:45PM Aug 05, 2020Observed: 14.9 ft at 10:00PM Aug 05, 2020Observed: 14.9 ft at 10:15PM Aug 05, 2020Observed: 14.9 ft at 10:30PM Aug 05, 2020Observed: 14.9 ft at 10:45PM Aug 05, 2020Observed: 14.9 ft at 11:00PM Aug 05, 2020Observed: 14.9 ft at 11:15PM Aug 05, 2020Observed: 14.9 ft at 11:30PM Aug 05, 2020Observed: 14.9 ft at 11:45PM Aug 05, 2020Observed: 14.9 ft at 12:00AM Aug 06, 2020Observed: 14.9 ft at 12:15AM Aug 06, 2020Observed: 14.9 ft at 12:30AM Aug 06, 2020Observed: 14.9 ft at 12:45AM Aug 06, 2020Observed: 14.9 ft at 1:00AM Aug 06, 2020Observed: 14.9 ft at 1:15AM Aug 06, 2020Observed: 14.9 ft at 1:30AM Aug 06, 2020Observed: 14.9 ft at 1:45AM Aug 06, 2020Observed: 14.9 ft at 2:00AM Aug 06, 2020Observed: 14.9 ft at 2:15AM Aug 06, 2020Observed: 14.9 ft at 2:30AM Aug 06, 2020Observed: 14.9 ft at 2:45AM Aug 06, 2020Observed: 14.9 ft at 3:00AM Aug 06, 2020Observed: 14.9 ft at 3:15AM Aug 06, 2020Observed: 14.9 ft at 3:30AM Aug 06, 2020Observed: 14.9 ft at 3:45AM Aug 06, 2020Observed: 14.89 ft at 4:00AM Aug 06, 2020Observed: 14.89 ft at 4:15AM Aug 06, 2020Observed: 14.9 ft at 4:30AM Aug 06, 2020Observed: 14.9 ft at 4:45AM Aug 06, 2020Observed: 14.89 ft at 5:00AM Aug 06, 2020Observed: 14.89 ft at 5:15AM Aug 06, 2020Observed: 14.89 ft at 5:30AM Aug 06, 2020Observed: 14.89 ft at 5:45AM Aug 06, 2020Observed: 14.89 ft at 6:00AM Aug 06, 2020Observed: 14.89 ft at 6:15AM Aug 06, 2020Observed: 14.89 ft at 6:30AM Aug 06, 2020Observed: 14.89 ft at 6:45AM Aug 06, 2020Observed: 14.89 ft at 7:00AM Aug 06, 2020Observed: 14.89 ft at 7:15AM Aug 06, 2020Observed: 14.89 ft at 7:30AM Aug 06, 2020Observed: 14.89 ft at 7:45AM Aug 06, 2020Observed: 14.89 ft at 8:00AM Aug 06, 2020Observed: 14.89 ft at 8:15AM Aug 06, 2020Observed: 14.89 ft at 8:30AM Aug 06, 2020Observed: 14.9 ft at 8:45AM Aug 06, 2020Observed: 14.89 ft at 9:00AM Aug 06, 2020Observed: 14.89 ft at 9:15AM Aug 06, 2020Observed: 14.9 ft at 9:30AM Aug 06, 2020Observed: 14.89 ft at 9:45AM Aug 06, 2020Observed: 14.89 ft at 10:00AM Aug 06, 2020Observed: 14.89 ft at 10:15AM Aug 06, 2020Observed: 14.89 ft at 10:30AM Aug 06, 2020Observed: 14.89 ft at 10:45AM Aug 06, 2020Observed: 14.89 ft at 11:00AM Aug 06, 2020Observed: 14.89 ft at 11:15AM Aug 06, 2020Observed: 14.89 ft at 11:30AM Aug 06, 2020Observed: 14.89 ft at 11:45AM Aug 06, 2020Observed: 14.89 ft at 12:00PM Aug 06, 2020Observed: 14.89 ft at 12:15PM Aug 06, 2020Observed: 14.89 ft at 12:30PM Aug 06, 2020Observed: 14.89 ft at 12:45PM Aug 06, 2020Observed: 14.89 ft at 1:00PM Aug 06, 2020Observed: 14.88 ft at 1:15PM Aug 06, 2020Observed: 14.89 ft at 1:30PM Aug 06, 2020Observed: 14.89 ft at 1:45PM Aug 06, 2020Observed: 14.88 ft at 2:00PM Aug 06, 2020Observed: 14.88 ft at 2:15PM Aug 06, 2020Observed: 14.89 ft at 2:30PM Aug 06, 2020Observed: 14.89 ft at 2:45PM Aug 06, 2020Observed: 14.9 ft at 3:00PM Aug 06, 2020Observed: 14.88 ft at 3:15PM Aug 06, 2020Observed: 14.88 ft at 3:30PM Aug 06, 2020Observed: 14.89 ft at 3:45PM Aug 06, 2020Observed: 14.88 ft at 4:00PM Aug 06, 2020Observed: 14.89 ft at 4:15PM Aug 06, 2020Observed: 14.89 ft at 4:30PM Aug 06, 2020Observed: 14.91 ft at 4:45PM Aug 06, 2020Observed: 14.89 ft at 5:00PM Aug 06, 2020Observed: 14.9 ft at 5:15PM Aug 06, 2020Observed: 14.88 ft at 5:30PM Aug 06, 2020Observed: 14.88 ft at 5:45PM Aug 06, 2020Observed: 14.88 ft at 6:15PM Aug 06, 2020Observed: 14.88 ft at 6:30PM Aug 06, 2020Observed: 14.88 ft at 6:45PM Aug 06, 2020Observed: 14.89 ft at 7:00PM Aug 06, 2020Observed: 14.88 ft at 7:15PM Aug 06, 2020Observed: 14.88 ft at 7:45PM Aug 06, 2020Observed: 14.89 ft at 8:00PM Aug 06, 2020Observed: 14.88 ft at 8:15PM Aug 06, 2020Observed: 14.91 ft at 8:30PM Aug 06, 2020Observed: 14.89 ft at 8:45PM Aug 06, 2020Observed: 14.89 ft at 9:00PM Aug 06, 2020Observed: 14.89 ft at 9:15PM Aug 06, 2020Observed: 14.89 ft at 9:30PM Aug 06, 2020Observed: 14.89 ft at 9:45PM Aug 06, 2020Observed: 14.89 ft at 10:00PM Aug 06, 2020Observed: 14.89 ft at 10:15PM Aug 06, 2020Observed: 14.89 ft at 10:30PM Aug 06, 2020Observed: 14.89 ft at 10:45PM Aug 06, 2020Observed: 14.89 ft at 11:00PM Aug 06, 2020Observed: 14.89 ft at 11:15PM Aug 06, 2020Observed: 14.89 ft at 11:30PM Aug 06, 2020Observed: 14.89 ft at 11:45PM Aug 06, 2020Observed: 14.89 ft at 12:00AM Aug 07, 2020Observed: 14.89 ft at 12:15AM Aug 07, 2020Observed: 14.89 ft at 12:30AM Aug 07, 2020Observed: 14.89 ft at 12:45AM Aug 07, 2020Observed: 14.89 ft at 1:00AM Aug 07, 2020Observed: 14.89 ft at 1:15AM Aug 07, 2020Observed: 14.89 ft at 1:30AM Aug 07, 2020Observed: 14.89 ft at 1:45AM Aug 07, 2020Observed: 14.9 ft at 2:00AM Aug 07, 2020Observed: 14.9 ft at 2:15AM Aug 07, 2020Observed: 14.9 ft at 2:30AM Aug 07, 2020Observed: 14.9 ft at 2:45AM Aug 07, 2020Observed: 14.9 ft at 3:00AM Aug 07, 2020Observed: 14.9 ft at 3:15AM Aug 07, 2020Observed: 14.9 ft at 3:30AM Aug 07, 2020Observed: 14.9 ft at 3:45AM Aug 07, 2020Observed: 14.91 ft at 4:00AM Aug 07, 2020Observed: 14.91 ft at 4:15AM Aug 07, 2020Observed: 14.91 ft at 4:30AM Aug 07, 2020Observed: 14.91 ft at 4:45AM Aug 07, 2020Observed: 14.91 ft at 5:00AM Aug 07, 2020Observed: 14.91 ft at 5:15AM Aug 07, 2020Observed: 14.92 ft at 5:30AM Aug 07, 2020Observed: 14.92 ft at 5:45AM Aug 07, 2020Observed: 14.92 ft at 6:00AM Aug 07, 2020Observed: 14.92 ft at 6:15AM Aug 07, 2020Observed: 14.92 ft at 6:30AM Aug 07, 2020Observed: 14.92 ft at 6:45AM Aug 07, 2020Observed: 14.92 ft at 7:00AM Aug 07, 2020Observed: 14.92 ft at 7:15AM Aug 07, 2020Observed: 14.92 ft at 7:30AM Aug 07, 2020Observed: 14.92 ft at 7:45AM Aug 07, 2020Observed: 14.92 ft at 8:00AM Aug 07, 2020Observed: 14.93 ft at 8:15AM Aug 07, 2020Observed: 14.93 ft at 8:30AM Aug 07, 2020Observed: 14.93 ft at 8:45AM Aug 07, 2020Observed: 14.93 ft at 9:00AM Aug 07, 2020Observed: 14.93 ft at 9:15AM Aug 07, 2020Observed: 14.93 ft at 9:30AM Aug 07, 2020Observed: 14.95 ft at 9:45AM Aug 07, 2020Observed: 14.93 ft at 10:00AM Aug 07, 2020Observed: 14.93 ft at 10:15AM Aug 07, 2020Observed: 14.93 ft at 10:30AM Aug 07, 2020Observed: 14.92 ft at 10:45AM Aug 07, 2020Observed: 14.91 ft at 11:00AM Aug 07, 2020Observed: 14.92 ft at 11:15AM Aug 07, 2020Observed: 14.91 ft at 11:30AM Aug 07, 2020Observed: 14.9 ft at 11:45AM Aug 07, 2020Observed: 14.91 ft at 12:00PM Aug 07, 2020Observed: 14.9 ft at 12:15PM Aug 07, 2020Observed: 14.91 ft at 12:30PM Aug 07, 2020Observed: 14.9 ft at 12:45PM Aug 07, 2020Observed: 14.9 ft at 1:00PM Aug 07, 2020Observed: 14.91 ft at 1:15PM Aug 07, 2020Observed: 14.93 ft at 1:45PM Aug 07, 2020Observed: 14.93 ft at 2:00PM Aug 07, 2020Observed: 14.95 ft at 2:15PM Aug 07, 2020Observed: 14.94 ft at 2:30PM Aug 07, 2020Observed: 14.93 ft at 2:45PM Aug 07, 2020Observed: 14.95 ft at 3:00PM Aug 07, 2020Observed: 14.94 ft at 3:15PM Aug 07, 2020Observed: 14.97 ft at 3:30PM Aug 07, 2020Observed: 14.95 ft at 3:45PM Aug 07, 2020Observed: 14.94 ft at 4:00PM Aug 07, 2020Observed: 14.98 ft at 4:15PM Aug 07, 2020Observed: 14.95 ft at 4:30PM Aug 07, 2020Observed: 14.96 ft at 4:45PM Aug 07, 2020Observed: 14.95 ft at 5:00PM Aug 07, 2020Observed: 14.98 ft at 5:15PM Aug 07, 2020Observed: 14.98 ft at 5:30PM Aug 07, 2020Observed: 14.97 ft at 5:45PM Aug 07, 2020Observed: 14.96 ft at 6:00PM Aug 07, 2020Observed: 14.95 ft at 6:15PM Aug 07, 2020Observed: 14.96 ft at 6:30PM Aug 07, 2020Observed: 14.97 ft at 6:45PM Aug 07, 2020Observed: 14.97 ft at 7:00PM Aug 07, 2020Observed: 14.98 ft at 7:15PM Aug 07, 2020Observed: 14.98 ft at 7:30PM Aug 07, 2020Observed: 14.98 ft at 7:45PM Aug 07, 2020Observed: 14.99 ft at 8:00PM Aug 07, 2020Observed: 14.99 ft at 8:15PM Aug 07, 2020Observed: 14.99 ft at 8:30PM Aug 07, 2020Observed: 14.99 ft at 8:45PM Aug 07, 2020Observed: 14.99 ft at 9:00PM Aug 07, 2020Observed: 14.99 ft at 9:15PM Aug 07, 2020Observed: 14.99 ft at 9:30PM Aug 07, 2020Observed: 14.98 ft at 9:45PM Aug 07, 2020Observed: 14.98 ft at 10:00PM Aug 07, 2020Observed: 14.98 ft at 10:15PM Aug 07, 2020Observed: 14.98 ft at 10:30PM Aug 07, 2020Observed: 14.98 ft at 10:45PM Aug 07, 2020Observed: 14.99 ft at 11:00PM Aug 07, 2020Observed: 14.99 ft at 11:15PM Aug 07, 2020Observed: 14.99 ft at 11:30PM Aug 07, 2020Observed: 14.98 ft at 11:45PM Aug 07, 2020Observed: 14.98 ft at 12:00AM Aug 08, 2020Observed: 14.99 ft at 12:15AM Aug 08, 2020Observed: 14.99 ft at 12:30AM Aug 08, 2020Observed: 14.99 ft at 12:45AM Aug 08, 2020Observed: 14.99 ft at 1:00AM Aug 08, 2020Observed: 14.99 ft at 1:15AM Aug 08, 2020Observed: 14.99 ft at 1:30AM Aug 08, 2020Observed: 14.99 ft at 1:45AM Aug 08, 2020Observed: 15 ft at 2:00AM Aug 08, 2020Observed: 15 ft at 2:15AM Aug 08, 2020Observed: 15 ft at 2:30AM Aug 08, 2020Observed: 15 ft at 2:45AM Aug 08, 2020Observed: 14.99 ft at 3:00AM Aug 08, 2020Observed: 14.99 ft at 3:15AM Aug 08, 2020Observed: 14.99 ft at 3:30AM Aug 08, 2020Observed: 14.98 ft at 3:45AM Aug 08, 2020Observed: 14.99 ft at 4:00AM Aug 08, 2020Observed: 14.99 ft at 4:15AM Aug 08, 2020Observed: 14.98 ft at 4:30AM Aug 08, 2020Observed: 14.99 ft at 4:45AM Aug 08, 2020Observed: 14.99 ft at 5:00AM Aug 08, 2020Observed: 15 ft at 5:15AM Aug 08, 2020Observed: 15 ft at 5:30AM Aug 08, 2020Observed: 15.01 ft at 5:45AM Aug 08, 2020Observed: 15 ft at 6:00AM Aug 08, 2020Observed: 15 ft at 6:15AM Aug 08, 2020Observed: 15 ft at 6:30AM Aug 08, 2020Observed: 15.01 ft at 6:45AM Aug 08, 2020Observed: 14.99 ft at 7:00AM Aug 08, 2020Observed: 14.99 ft at 7:15AM Aug 08, 2020Observed: 14.99 ft at 7:30AM Aug 08, 2020Observed: 14.99 ft at 7:45AM Aug 08, 2020Observed: 14.99 ft at 8:00AM Aug 08, 2020Observed: 14.99 ft at 8:15AM Aug 08, 2020Observed: 14.99 ft at 8:30AM Aug 08, 2020Observed: 15.01 ft at 8:45AM Aug 08, 2020Observed: 15 ft at 9:00AM Aug 08, 2020Observed: 14.99 ft at 9:15AM Aug 08, 2020Observed: 14.99 ft at 9:30AM Aug 08, 2020Observed: 15.01 ft at 9:45AM Aug 08, 2020Observed: 15.01 ft at 10:00AM Aug 08, 2020Observed: 15.01 ft at 10:15AM Aug 08, 2020Observed: 15.01 ft at 10:30AM Aug 08, 2020Observed: 15.03 ft at 10:45AM Aug 08, 2020Observed: 15.02 ft at 11:00AM Aug 08, 2020Observed: 15.05 ft at 11:15AM Aug 08, 2020Observed: 15.02 ft at 11:30AM Aug 08, 2020Observed: 15.02 ft at 11:45AM Aug 08, 2020Observed: 14.97 ft at 12:00PM Aug 08, 2020Observed: 15.01 ft at 12:15PM Aug 08, 2020Observed: 15.01 ft at 12:45PM Aug 08, 2020Observed: 15 ft at 1:00PM Aug 08, 2020Observed: 14.97 ft at 1:15PM Aug 08, 2020Observed: 14.96 ft at 1:30PM Aug 08, 2020Observed: 15.06 ft at 1:45PM Aug 08, 2020Observed: 15.08 ft at 2:00PM Aug 08, 2020Observed: 15.03 ft at 2:15PM Aug 08, 2020Observed: 15.02 ft at 2:30PM Aug 08, 2020Observed: 15.03 ft at 2:45PM Aug 08, 2020Observed: 15.04 ft at 3:15PM Aug 08, 2020Observed: 15.06 ft at 3:30PM Aug 08, 2020Observed: 15.03 ft at 3:45PM Aug 08, 2020Observed: 15.01 ft at 4:00PM Aug 08, 2020Observed: 15.02 ft at 4:15PM Aug 08, 2020Observed: 15.05 ft at 4:30PM Aug 08, 2020Observed: 15.03 ft at 4:45PM Aug 08, 2020Observed: 15.02 ft at 5:00PM Aug 08, 2020Observed: 15 ft at 5:15PM Aug 08, 2020Observed: 15 ft at 5:30PM Aug 08, 2020Observed: 15.02 ft at 5:45PM Aug 08, 2020Observed: 15.05 ft at 6:00PM Aug 08, 2020Observed: 15.08 ft at 6:15PM Aug 08, 2020Observed: 15.06 ft at 6:30PM Aug 08, 2020Observed: 15.04 ft at 6:45PM Aug 08, 2020Observed: 15.04 ft at 7:00PM Aug 08, 2020Observed: 15.02 ft at 7:15PM Aug 08, 2020Observed: 15.01 ft at 7:30PM Aug 08, 2020Observed: 14.99 ft at 7:45PM Aug 08, 2020Observed: 14.99 ft at 8:00PM Aug 08, 2020Observed: 15.02 ft at 8:15PM Aug 08, 2020Observed: 15 ft at 8:30PM Aug 08, 2020Observed: 15 ft at 8:45PM Aug 08, 2020Observed: 15.03 ft at 9:00PM Aug 08, 2020Observed: 15.02 ft at 9:15PM Aug 08, 2020Observed: 15.03 ft at 9:30PM Aug 08, 2020Observed: 15.03 ft at 9:45PM Aug 08, 2020Observed: 15.03 ft at 10:00PM Aug 08, 2020Observed: 15.01 ft at 10:15PM Aug 08, 2020Observed: 15.01 ft at 10:30PM Aug 08, 2020Observed: 15.01 ft at 10:45PM Aug 08, 2020Observed: 15 ft at 11:00PM Aug 08, 2020Observed: 14.98 ft at 11:15PM Aug 08, 2020Observed: 14.99 ft at 11:30PM Aug 08, 2020Observed: 14.99 ft at 11:45PM Aug 08, 2020Observed: 15 ft at 12:00AM Aug 09, 2020Observed: 15.01 ft at 12:15AM Aug 09, 2020Observed: 15.01 ft at 12:30AM Aug 09, 2020Observed: 15.01 ft at 12:45AM Aug 09, 2020Observed: 15.01 ft at 1:00AM Aug 09, 2020Observed: 15.01 ft at 1:15AM Aug 09, 2020Observed: 15.01 ft at 1:30AM Aug 09, 2020Observed: 15.01 ft at 1:45AM Aug 09, 2020Observed: 15 ft at 2:00AM Aug 09, 2020Observed: 15 ft at 2:15AM Aug 09, 2020Observed: 14.98 ft at 2:30AM Aug 09, 2020Observed: 14.97 ft at 2:45AM Aug 09, 2020Observed: 14.97 ft at 3:00AM Aug 09, 2020Observed: 14.99 ft at 3:15AM Aug 09, 2020Observed: 15.01 ft at 3:30AM Aug 09, 2020Observed: 15.02 ft at 3:45AM Aug 09, 2020Observed: 15.02 ft at 4:00AM Aug 09, 2020Observed: 15.03 ft at 4:15AM Aug 09, 2020Observed: 15.04 ft at 4:30AM Aug 09, 2020Observed: 15.04 ft at 4:45AM Aug 09, 2020Observed: 15.04 ft at 5:00AM Aug 09, 2020Observed: 15.04 ft at 5:15AM Aug 09, 2020Observed: 15.05 ft at 5:30AM Aug 09, 2020Observed: 15.05 ft at 5:45AM Aug 09, 2020Observed: 15.05 ft at 6:00AM Aug 09, 2020Observed: 15.06 ft at 6:15AM Aug 09, 2020Observed: 15.06 ft at 6:30AM Aug 09, 2020Observed: 15.06 ft at 6:45AM Aug 09, 2020Observed: 15.05 ft at 7:00AM Aug 09, 2020Observed: 15.05 ft at 7:15AM Aug 09, 2020Observed: 15.05 ft at 7:30AM Aug 09, 2020Observed: 15.06 ft at 7:45AM Aug 09, 2020Observed: 15.05 ft at 8:00AM Aug 09, 2020Observed: 15.05 ft at 8:15AM Aug 09, 2020Observed: 15.03 ft at 8:30AM Aug 09, 2020Observed: 15.04 ft at 8:45AM Aug 09, 2020Observed: 15.04 ft at 9:00AM Aug 09, 2020Observed: 15.04 ft at 9:15AM Aug 09, 2020Observed: 15.05 ft at 9:30AM Aug 09, 2020Observed: 15.06 ft at 9:45AM Aug 09, 2020Observed: 15.06 ft at 10:00AM Aug 09, 2020Observed: 15.08 ft at 10:15AM Aug 09, 2020Observed: 15.07 ft at 10:30AM Aug 09, 2020Observed: 15.09 ft at 10:45AM Aug 09, 2020Observed: 15.08 ft at 11:00AM Aug 09, 2020Observed: 15.06 ft at 11:15AM Aug 09, 2020Observed: 15.08 ft at 11:30AM Aug 09, 2020Observed: 15.06 ft at 11:45AM Aug 09, 2020Observed: 15.08 ft at 12:00PM Aug 09, 2020Observed: 15.04 ft at 12:15PM Aug 09, 2020Observed: 15.03 ft at 12:30PM Aug 09, 2020Observed: 15 ft at 12:45PM Aug 09, 2020Observed: 15.07 ft at 1:00PM Aug 09, 2020Observed: 15.07 ft at 1:15PM Aug 09, 2020Observed: 15.07 ft at 1:30PM Aug 09, 2020Observed: 15.05 ft at 2:00PM Aug 09, 2020Observed: 15.08 ft at 2:15PM Aug 09, 2020Observed: 15.08 ft at 2:30PM Aug 09, 2020Observed: 15.05 ft at 2:45PM Aug 09, 2020Observed: 15.08 ft at 3:15PM Aug 09, 2020Observed: 15.09 ft at 3:45PM Aug 09, 2020Observed: 15.08 ft at 4:15PM Aug 09, 2020Observed: 15.06 ft at 4:30PM Aug 09, 2020Observed: 15.05 ft at 4:45PM Aug 09, 2020Observed: 15.07 ft at 5:00PM Aug 09, 2020Observed: 15.06 ft at 5:15PM Aug 09, 2020Observed: 15.05 ft at 5:30PM Aug 09, 2020Observed: 15.06 ft at 6:00PM Aug 09, 2020Observed: 15.07 ft at 6:15PM Aug 09, 2020Observed: 15.06 ft at 6:30PM Aug 09, 2020Observed: 15.07 ft at 7:00PM Aug 09, 2020Observed: 15.07 ft at 7:15PM Aug 09, 2020Observed: 15.08 ft at 7:30PM Aug 09, 2020Observed: 15.07 ft at 7:45PM Aug 09, 2020Observed: 15.08 ft at 8:00PM Aug 09, 2020Observed: 15.09 ft at 8:15PM Aug 09, 2020Observed: 15.09 ft at 8:30PM Aug 09, 2020Observed: 15.09 ft at 8:45PM Aug 09, 2020Observed: 15.09 ft at 9:00PM Aug 09, 2020Observed: 15.09 ft at 9:15PM Aug 09, 2020Observed: 15.09 ft at 9:30PM Aug 09, 2020Observed: 15.08 ft at 9:45PM Aug 09, 2020Observed: 15.08 ft at 10:00PM Aug 09, 2020Observed: 15.08 ft at 10:15PM Aug 09, 2020Observed: 15.07 ft at 10:30PM Aug 09, 2020Observed: 15.07 ft at 10:45PM Aug 09, 2020Observed: 15.06 ft at 11:00PM Aug 09, 2020Observed: 15.06 ft at 11:15PM Aug 09, 2020Observed: 15.07 ft at 11:30PM Aug 09, 2020Observed: 15.06 ft at 11:45PM Aug 09, 2020Observed: 15.06 ft at 12:00AM Aug 10, 2020Observed: 15.06 ft at 12:15AM Aug 10, 2020Observed: 15.06 ft at 12:30AM Aug 10, 2020Observed: 15.07 ft at 12:45AM Aug 10, 2020Observed: 15.06 ft at 1:00AM Aug 10, 2020Observed: 15.06 ft at 1:15AM Aug 10, 2020Observed: 15.05 ft at 1:30AM Aug 10, 2020Observed: 15.05 ft at 1:45AM Aug 10, 2020Observed: 15.05 ft at 2:00AM Aug 10, 2020Observed: 15.05 ft at 2:15AM Aug 10, 2020Observed: 15.05 ft at 2:30AM Aug 10, 2020Observed: 15.06 ft at 2:45AM Aug 10, 2020Observed: 15.06 ft at 3:00AM Aug 10, 2020Observed: 15.06 ft at 3:15AM Aug 10, 2020Observed: 15.06 ft at 3:30AM Aug 10, 2020Observed: 15.05 ft at 3:45AM Aug 10, 2020Observed: 15.05 ft at 4:00AM Aug 10, 2020Observed: 15.05 ft at 4:15AM Aug 10, 2020Observed: 15.05 ft at 4:30AM Aug 10, 2020Observed: 15.05 ft at 4:45AM Aug 10, 2020Observed: 15.05 ft at 5:00AM Aug 10, 2020Observed: 15.05 ft at 5:15AM Aug 10, 2020Observed: 15.04 ft at 5:30AM Aug 10, 2020Observed: 15.04 ft at 5:45AM Aug 10, 2020Observed: 15.04 ft at 6:00AM Aug 10, 2020Observed: 15.04 ft at 6:15AM Aug 10, 2020Observed: 15.03 ft at 6:30AM Aug 10, 2020Observed: 15.03 ft at 6:45AM Aug 10, 2020Observed: 15.03 ft at 7:00AM Aug 10, 2020Observed: 15.03 ft at 7:15AM Aug 10, 2020Observed: 15.03 ft at 7:30AM Aug 10, 2020Observed: 15.03 ft at 7:45AM Aug 10, 2020Observed: 15.04 ft at 8:00AM Aug 10, 2020Observed: 15.05 ft at 8:15AM Aug 10, 2020Observed: 15.05 ft at 8:30AM Aug 10, 2020Observed: 15.06 ft at 8:45AM Aug 10, 2020Observed: 15.03 ft at 9:00AM Aug 10, 2020Observed: 15.03 ft at 9:15AM Aug 10, 2020Observed: 15.03 ft at 9:30AM Aug 10, 2020Observed: 15.04 ft at 9:45AM Aug 10, 2020Observed: 15.05 ft at 10:00AM Aug 10, 2020Observed: 15.04 ft at 10:15AM Aug 10, 2020Observed: 15.04 ft at 10:30AM Aug 10, 2020Observed: 15.05 ft at 10:45AM Aug 10, 2020Observed: 15.04 ft at 11:00AM Aug 10, 2020Observed: 15.05 ft at 11:15AM Aug 10, 2020Observed: 15.04 ft at 11:30AM Aug 10, 2020Observed: 15.04 ft at 11:45AM Aug 10, 2020Observed: 14.98 ft at 12:00PM Aug 10, 2020Observed: 15.02 ft at 12:30PM Aug 10, 2020Observed: 15.03 ft at 12:45PM Aug 10, 2020Observed: 15.02 ft at 1:00PM Aug 10, 2020Observed: 15.03 ft at 1:15PM Aug 10, 2020Observed: 15.03 ft at 1:30PM Aug 10, 2020Observed: 15.01 ft at 1:45PM Aug 10, 2020Observed: 15.04 ft at 2:00PM Aug 10, 2020Observed: 15.02 ft at 2:15PM Aug 10, 2020Observed: 15.02 ft at 2:30PM Aug 10, 2020Observed: 15.03 ft at 3:00PM Aug 10, 2020Observed: 15.21 ft at 3:15PM Aug 10, 2020Observed: 15.32 ft at 3:30PM Aug 10, 2020Observed: 15.31 ft at 3:45PM Aug 10, 2020Highest Observation: 15.33 ft at 4:00PM Aug 10, 2020Observed: 15.29 ft at 4:15PM Aug 10, 2020Observed: 15.24 ft at 4:30PM Aug 10, 2020Observed: 15.19 ft at 4:45PM Aug 10, 2020Observed: 15.16 ft at 5:00PM Aug 10, 2020Observed: 15.12 ft at 5:15PM Aug 10, 2020Observed: 14.97 ft at 5:30PM Aug 10, 2020Observed: 14.96 ft at 5:45PM Aug 10, 2020Observed: 14.93 ft at 6:00PM Aug 10, 2020Observed: 14.93 ft at 6:15PM Aug 10, 2020Observed: 14.95 ft at 6:30PM Aug 10, 2020Observed: 14.93 ft at 6:45PM Aug 10, 2020Observed: 14.9 ft at 7:00PM Aug 10, 2020Observed: 14.9 ft at 7:15PM Aug 10, 2020Observed: 14.93 ft at 7:30PM Aug 10, 2020Observed: 15 ft at 7:45PM Aug 10, 2020Observed: 14.98 ft at 8:00PM Aug 10, 2020Observed: 14.98 ft at 8:15PM Aug 10, 2020Observed: 14.97 ft at 8:30PM Aug 10, 2020Observed: 15 ft at 8:45PM Aug 10, 2020Observed: 15 ft at 9:00PM Aug 10, 2020Observed: 15.02 ft at 9:15PM Aug 10, 2020Observed: 15 ft at 9:30PM Aug 10, 2020Observed: 14.99 ft at 9:45PM Aug 10, 2020Observed: 15 ft at 10:00PM Aug 10, 2020Observed: 15.02 ft at 10:15PM Aug 10, 2020Observed: 15.02 ft at 10:30PM Aug 10, 2020Observed: 15.01 ft at 10:45PM Aug 10, 2020Observed: 15 ft at 11:00PM Aug 10, 2020Observed: 15 ft at 11:15PM Aug 10, 2020Observed: 15 ft at 11:30PM Aug 10, 2020Observed: 15.01 ft at 11:45PM Aug 10, 2020Observed: 15.01 ft at 12:00AM Aug 11, 2020Observed: 15.01 ft at 12:15AM Aug 11, 2020Observed: 15.01 ft at 12:30AM Aug 11, 2020Observed: 15 ft at 12:45AM Aug 11, 2020Observed: 14.99 ft at 1:00AM Aug 11, 2020Observed: 15 ft at 1:15AM Aug 11, 2020Observed: 15 ft at 1:30AM Aug 11, 2020Observed: 15 ft at 1:45AM Aug 11, 2020Observed: 14.9 ft at 2:00AM Aug 11, 2020Observed: 15 ft at 2:15AM Aug 11, 2020Observed: 15 ft at 2:30AM Aug 11, 2020Observed: 15 ft at 2:45AM Aug 11, 2020Observed: 15.01 ft at 3:00AM Aug 11, 2020Observed: 15.01 ft at 3:15AM Aug 11, 2020Observed: 15.01 ft at 3:30AM Aug 11, 2020Observed: 15.01 ft at 3:45AM Aug 11, 2020Observed: 15.02 ft at 4:00AM Aug 11, 2020Observed: 15.02 ft at 4:15AM Aug 11, 2020Observed: 15.02 ft at 4:30AM Aug 11, 2020Observed: 15.03 ft at 4:45AM Aug 11, 2020Observed: 15.06 ft at 5:00AM Aug 11, 2020Observed: 15.03 ft at 5:15AM Aug 11, 2020Observed: 15.04 ft at 5:30AM Aug 11, 2020Observed: 15.04 ft at 5:45AM Aug 11, 2020Observed: 15.02 ft at 6:00AM Aug 11, 2020Observed: 15.03 ft at 6:15AM Aug 11, 2020Observed: 15.04 ft at 6:30AM Aug 11, 2020Observed: 15.04 ft at 6:45AM Aug 11, 2020Observed: 15.03 ft at 7:00AM Aug 11, 2020Observed: 15.03 ft at 7:15AM Aug 11, 2020Observed: 15.05 ft at 7:30AM Aug 11, 2020Observed: 15.07 ft at 7:45AM Aug 11, 2020Observed: 15.09 ft at 8:00AM Aug 11, 2020Observed: 15.1 ft at 8:15AM Aug 11, 2020Observed: 15.12 ft at 8:30AM Aug 11, 2020Observed: 15.13 ft at 8:45AM Aug 11, 2020Observed: 15.13 ft at 9:00AM Aug 11, 2020Observed: 15.12 ft at 9:15AM Aug 11, 2020Observed: 15.16 ft at 9:30AM Aug 11, 2020Observed: 15.16 ft at 9:45AM Aug 11, 2020Observed: 15.16 ft at 10:00AM Aug 11, 2020Observed: 15.17 ft at 10:15AM Aug 11, 2020Observed: 15.17 ft at 10:30AM Aug 11, 2020Observed: 15.17 ft at 10:45AM Aug 11, 2020Observed: 15.19 ft at 11:00AM Aug 11, 2020Observed: 15.16 ft at 11:15AM Aug 11, 2020Observed: 15.18 ft at 11:30AM Aug 11, 2020Observed: 15.17 ft at 11:45AM Aug 11, 2020Observed: 15.19 ft at 12:00PM Aug 11, 2020Observed: 15.13 ft at 12:15PM Aug 11, 2020Observed: 15.15 ft at 12:30PM Aug 11, 2020Observed: 15.15 ft at 12:45PM Aug 11, 2020Observed: 15.14 ft at 1:00PM Aug 11, 2020Observed: 15.13 ft at 1:15PM Aug 11, 2020Observed: 15.13 ft at 1:30PM Aug 11, 2020Observed: 15.12 ft at 1:45PM Aug 11, 2020Highest Forecast: 15.1 ft 7:00PM Aug 11, 2020Highest Forecast: 15.1 ft 1:00AM Aug 12, 2020Highest Forecast: 15.1 ft 7:00AM Aug 12, 2020Highest Forecast: 15.1 ft 1:00PM Aug 12, 2020Highest Forecast: 15.1 ft 7:00PM Aug 12, 2020Highest Forecast: 15.1 ft 1:00AM Aug 13, 2020Highest Forecast: 15.1 ft 7:00AM Aug 13, 2020Highest Forecast: 15.1 ft 1:00PM Aug 13, 2020Highest Forecast: 15.1 ft 7:00PM Aug 13, 2020Highest Forecast: 15.1 ft 1:00AM Aug 14, 2020Highest Forecast: 15.1 ft 7:00AM Aug 14, 2020Forecast: 15 ft 1:00PM Aug 14, 2020Forecast: 15 ft 7:00PM Aug 14, 2020Forecast: 15 ft 1:00AM Aug 15, 2020Forecast: 15 ft 7:00AM Aug 15, 2020Forecast: 15 ft 1:00PM Aug 15, 2020Forecast: 15 ft 7:00PM Aug 15, 2020Forecast: 15 ft 1:00AM Aug 16, 2020Forecast: 15 ft 7:00AM Aug 16, 2020Forecast: 15 ft 1:00PM Aug 16, 2020Forecast: 15 ft 7:00PM Aug 16, 2020Forecast: 15 ft 1:00AM Aug 17, 2020Forecast: 15 ft 7:00AM Aug 17, 2020Forecast: 15 ft 1:00PM Aug 17, 2020Forecast: 15 ft 7:00PM Aug 17, 2020Forecast: 15 ft 1:00AM Aug 18, 2020Forecast: 15 ft 7:00AM Aug 18, 2020USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (2:07PM Aug 11, 2020)ObservedForecast (issued 8:40AM Aug 11)Latest observed value: 15.12 ft at 1:45 PM CDT 11-Aug-2020. 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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Page last modified: 4-Mar-2019 11:29 PM
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