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Illinois River at Ottawa Stage (ft)Observed: 459.86 ft at 8:45AM Aug 10, 2017Observed: 459.87 ft at 9:00AM Aug 10, 2017Observed: 459.86 ft at 9:15AM Aug 10, 2017Observed: 459.86 ft at 9:30AM Aug 10, 2017Observed: 459.86 ft at 9:45AM Aug 10, 2017Observed: 459.86 ft at 10:00AM Aug 10, 2017Observed: 459.87 ft at 10:15AM Aug 10, 2017Observed: 459.87 ft at 10:30AM Aug 10, 2017Observed: 459.86 ft at 10:45AM Aug 10, 2017Observed: 459.86 ft at 11:00AM Aug 10, 2017Observed: 459.87 ft at 11:15AM Aug 10, 2017Observed: 459.86 ft at 11:30AM Aug 10, 2017Observed: 459.87 ft at 11:45AM Aug 10, 2017Observed: 459.87 ft at 12:00PM Aug 10, 2017Observed: 459.87 ft at 12:15PM Aug 10, 2017Observed: 459.86 ft at 12:30PM Aug 10, 2017Observed: 459.86 ft at 12:45PM Aug 10, 2017Observed: 459.86 ft at 1:00PM Aug 10, 2017Observed: 459.87 ft at 1:15PM Aug 10, 2017Observed: 459.87 ft at 1:30PM Aug 10, 2017Observed: 459.86 ft at 1:45PM Aug 10, 2017Observed: 459.86 ft at 2:00PM Aug 10, 2017Observed: 459.87 ft at 2:15PM Aug 10, 2017Observed: 459.87 ft at 2:30PM Aug 10, 2017Observed: 459.87 ft at 2:45PM Aug 10, 2017Observed: 459.88 ft at 3:00PM Aug 10, 2017Observed: 459.87 ft at 3:15PM Aug 10, 2017Observed: 459.87 ft at 3:30PM Aug 10, 2017Observed: 459.86 ft at 3:45PM Aug 10, 2017Observed: 459.87 ft at 4:00PM Aug 10, 2017Observed: 459.86 ft at 4:15PM Aug 10, 2017Observed: 459.86 ft at 4:30PM Aug 10, 2017Observed: 459.86 ft at 4:45PM Aug 10, 2017Observed: 459.86 ft at 5:00PM Aug 10, 2017Observed: 459.87 ft at 5:15PM Aug 10, 2017Observed: 459.87 ft at 5:30PM Aug 10, 2017Observed: 459.87 ft at 5:45PM Aug 10, 2017Observed: 459.87 ft at 6:00PM Aug 10, 2017Observed: 459.86 ft at 6:15PM Aug 10, 2017Observed: 459.87 ft at 6:30PM Aug 10, 2017Observed: 459.86 ft at 6:45PM Aug 10, 2017Observed: 459.87 ft at 7:00PM Aug 10, 2017Observed: 459.86 ft at 7:15PM Aug 10, 2017Observed: 459.87 ft at 7:30PM Aug 10, 2017Observed: 459.86 ft at 7:45PM Aug 10, 2017Observed: 459.87 ft at 8:00PM Aug 10, 2017Observed: 460.46 ft at 8:15PM Aug 10, 2017Observed: 460.33 ft at 8:30PM Aug 10, 2017Observed: 460.15 ft at 8:45PM Aug 10, 2017Observed: 460.01 ft at 9:00PM Aug 10, 2017Observed: 459.98 ft at 9:15PM Aug 10, 2017Observed: 459.95 ft at 9:30PM Aug 10, 2017Observed: 459.94 ft at 9:45PM Aug 10, 2017Observed: 459.93 ft at 10:00PM Aug 10, 2017Observed: 459.92 ft at 10:15PM Aug 10, 2017Observed: 459.92 ft at 10:30PM Aug 10, 2017Observed: 459.91 ft at 10:45PM Aug 10, 2017Observed: 459.91 ft at 11:00PM Aug 10, 2017Observed: 459.91 ft at 11:15PM Aug 10, 2017Observed: 459.91 ft at 11:30PM Aug 10, 2017Observed: 459.91 ft at 11:45PM Aug 10, 2017Observed: 459.91 ft at 12:00AM Aug 11, 2017Observed: 459.9 ft at 12:15AM Aug 11, 2017Observed: 459.9 ft at 12:30AM Aug 11, 2017Observed: 459.9 ft at 12:45AM Aug 11, 2017Observed: 459.9 ft at 1:00AM Aug 11, 2017Observed: 459.9 ft at 1:15AM Aug 11, 2017Observed: 459.9 ft at 1:30AM Aug 11, 2017Observed: 459.9 ft at 1:45AM Aug 11, 2017Observed: 459.9 ft at 2:00AM Aug 11, 2017Observed: 459.89 ft at 2:15AM Aug 11, 2017Observed: 459.89 ft at 2:30AM Aug 11, 2017Observed: 459.89 ft at 2:45AM Aug 11, 2017Observed: 459.89 ft at 3:00AM Aug 11, 2017Observed: 459.89 ft at 3:15AM Aug 11, 2017Observed: 459.88 ft at 3:30AM Aug 11, 2017Observed: 459.88 ft at 3:45AM Aug 11, 2017Observed: 459.88 ft at 4:00AM Aug 11, 2017Observed: 459.88 ft at 4:15AM Aug 11, 2017Observed: 459.88 ft at 4:30AM Aug 11, 2017Observed: 459.88 ft at 4:45AM Aug 11, 2017Observed: 459.88 ft at 5:00AM Aug 11, 2017Observed: 459.87 ft at 5:15AM Aug 11, 2017Observed: 459.87 ft at 5:30AM Aug 11, 2017Observed: 459.87 ft at 5:45AM Aug 11, 2017Observed: 459.86 ft at 6:00AM Aug 11, 2017Observed: 459.86 ft at 6:15AM Aug 11, 2017Observed: 459.87 ft at 6:30AM Aug 11, 2017Observed: 459.86 ft at 6:45AM Aug 11, 2017Observed: 459.86 ft at 7:00AM Aug 11, 2017Observed: 459.85 ft at 7:15AM Aug 11, 2017Observed: 459.85 ft at 7:30AM Aug 11, 2017Observed: 459.85 ft at 7:45AM Aug 11, 2017Observed: 459.85 ft at 8:00AM Aug 11, 2017Observed: 459.85 ft at 8:15AM Aug 11, 2017Observed: 459.85 ft at 8:30AM Aug 11, 2017Observed: 459.85 ft at 8:45AM Aug 11, 2017Observed: 459.85 ft at 9:00AM Aug 11, 2017Observed: 459.85 ft at 9:15AM Aug 11, 2017Observed: 459.85 ft at 9:30AM Aug 11, 2017Observed: 459.85 ft at 9:45AM Aug 11, 2017Observed: 459.85 ft at 10:00AM Aug 11, 2017Observed: 459.85 ft at 10:15AM Aug 11, 2017Observed: 459.85 ft at 10:30AM Aug 11, 2017Observed: 459.85 ft at 10:45AM Aug 11, 2017Observed: 459.85 ft at 11:00AM Aug 11, 2017Observed: 459.85 ft at 11:15AM Aug 11, 2017Observed: 459.85 ft at 11:30AM Aug 11, 2017Observed: 459.85 ft at 11:45AM Aug 11, 2017Observed: 459.85 ft at 12:00PM Aug 11, 2017Observed: 459.85 ft at 12:15PM Aug 11, 2017Observed: 459.86 ft at 12:30PM Aug 11, 2017Observed: 459.86 ft at 2:45PM Aug 11, 2017Observed: 459.86 ft at 3:00PM Aug 11, 2017Observed: 459.86 ft at 3:15PM Aug 11, 2017Observed: 459.87 ft at 3:30PM Aug 11, 2017Observed: 459.86 ft at 3:45PM Aug 11, 2017Observed: 459.86 ft at 4:00PM Aug 11, 2017Observed: 459.86 ft at 4:15PM Aug 11, 2017Observed: 459.86 ft at 4:30PM Aug 11, 2017Observed: 459.87 ft at 4:45PM Aug 11, 2017Observed: 459.87 ft at 5:00PM Aug 11, 2017Observed: 459.87 ft at 5:15PM Aug 11, 2017Observed: 459.86 ft at 5:30PM Aug 11, 2017Observed: 459.87 ft at 5:45PM Aug 11, 2017Observed: 459.87 ft at 6:00PM Aug 11, 2017Observed: 459.87 ft at 6:15PM Aug 11, 2017Observed: 459.87 ft at 6:30PM Aug 11, 2017Observed: 459.86 ft at 6:45PM Aug 11, 2017Observed: 459.86 ft at 7:00PM Aug 11, 2017Observed: 459.86 ft at 7:15PM Aug 11, 2017Observed: 459.86 ft at 7:30PM Aug 11, 2017Observed: 459.85 ft at 7:45PM Aug 11, 2017Observed: 459.86 ft at 8:00PM Aug 11, 2017Observed: 459.86 ft at 8:15PM Aug 11, 2017Observed: 459.87 ft at 8:30PM Aug 11, 2017Observed: 459.86 ft at 8:45PM Aug 11, 2017Observed: 459.87 ft at 9:00PM Aug 11, 2017Observed: 459.87 ft at 9:15PM Aug 11, 2017Observed: 459.87 ft at 9:30PM Aug 11, 2017Observed: 459.87 ft at 9:45PM Aug 11, 2017Observed: 459.87 ft at 10:00PM Aug 11, 2017Observed: 459.86 ft at 10:15PM Aug 11, 2017Observed: 459.86 ft at 10:30PM Aug 11, 2017Observed: 459.86 ft at 10:45PM Aug 11, 2017Observed: 459.86 ft at 11:00PM Aug 11, 2017Observed: 459.86 ft at 11:15PM Aug 11, 2017Observed: 459.86 ft at 11:30PM Aug 11, 2017Observed: 459.86 ft at 11:45PM Aug 11, 2017Observed: 459.87 ft at 12:00AM Aug 12, 2017Observed: 459.87 ft at 12:15AM Aug 12, 2017Observed: 459.87 ft at 12:30AM Aug 12, 2017Observed: 459.87 ft at 12:45AM Aug 12, 2017Observed: 459.87 ft at 1:00AM Aug 12, 2017Observed: 459.87 ft at 1:15AM Aug 12, 2017Observed: 459.87 ft at 1:30AM Aug 12, 2017Observed: 459.87 ft at 1:45AM Aug 12, 2017Observed: 459.88 ft at 2:00AM Aug 12, 2017Observed: 459.87 ft at 2:15AM Aug 12, 2017Observed: 459.87 ft at 2:30AM Aug 12, 2017Observed: 459.87 ft at 2:45AM Aug 12, 2017Observed: 459.87 ft at 3:00AM Aug 12, 2017Observed: 459.86 ft at 3:15AM Aug 12, 2017Observed: 459.86 ft at 3:30AM Aug 12, 2017Observed: 459.87 ft at 3:45AM Aug 12, 2017Observed: 459.87 ft at 4:00AM Aug 12, 2017Observed: 459.86 ft at 4:15AM Aug 12, 2017Observed: 459.86 ft at 4:30AM Aug 12, 2017Observed: 459.87 ft at 4:45AM Aug 12, 2017Observed: 459.87 ft at 5:00AM Aug 12, 2017Observed: 459.87 ft at 5:15AM Aug 12, 2017Observed: 459.87 ft at 5:30AM Aug 12, 2017Observed: 459.87 ft at 5:45AM Aug 12, 2017Observed: 459.87 ft at 6:00AM Aug 12, 2017Observed: 459.86 ft at 6:15AM Aug 12, 2017Observed: 459.87 ft at 6:30AM Aug 12, 2017Observed: 459.87 ft at 6:45AM Aug 12, 2017Observed: 459.87 ft at 7:00AM Aug 12, 2017Observed: 459.87 ft at 7:15AM Aug 12, 2017Observed: 459.87 ft at 7:30AM Aug 12, 2017Observed: 459.87 ft at 7:45AM Aug 12, 2017Observed: 459.87 ft at 8:00AM Aug 12, 2017Observed: 459.86 ft at 8:15AM Aug 12, 2017Observed: 459.86 ft at 8:30AM Aug 12, 2017Observed: 459.87 ft at 8:45AM Aug 12, 2017Observed: 459.86 ft at 9:00AM Aug 12, 2017Observed: 459.86 ft at 9:15AM Aug 12, 2017Observed: 459.86 ft at 9:30AM Aug 12, 2017Observed: 459.86 ft at 9:45AM Aug 12, 2017Observed: 459.86 ft at 10:00AM Aug 12, 2017Observed: 459.87 ft at 10:15AM Aug 12, 2017Observed: 459.87 ft at 10:30AM Aug 12, 2017Observed: 459.86 ft at 10:45AM Aug 12, 2017Observed: 459.86 ft at 11:00AM Aug 12, 2017Observed: 459.86 ft at 11:15AM Aug 12, 2017Observed: 459.86 ft at 11:30AM Aug 12, 2017Observed: 459.86 ft at 11:45AM Aug 12, 2017Observed: 459.86 ft at 12:00PM Aug 12, 2017Observed: 459.86 ft at 12:15PM Aug 12, 2017Observed: 459.87 ft at 12:30PM Aug 12, 2017Observed: 459.86 ft at 12:45PM Aug 12, 2017Observed: 459.86 ft at 1:00PM Aug 12, 2017Observed: 459.87 ft at 1:15PM Aug 12, 2017Observed: 459.87 ft at 1:30PM Aug 12, 2017Observed: 459.87 ft at 1:45PM Aug 12, 2017Observed: 459.87 ft at 2:00PM Aug 12, 2017Observed: 459.87 ft at 2:15PM Aug 12, 2017Observed: 459.86 ft at 2:30PM Aug 12, 2017Observed: 459.87 ft at 2:45PM Aug 12, 2017Observed: 459.86 ft at 3:00PM Aug 12, 2017Observed: 459.86 ft at 3:15PM Aug 12, 2017Observed: 459.86 ft at 3:30PM Aug 12, 2017Observed: 459.86 ft at 3:45PM Aug 12, 2017Observed: 459.86 ft at 4:00PM Aug 12, 2017Observed: 459.86 ft at 4:15PM Aug 12, 2017Observed: 459.87 ft at 4:30PM Aug 12, 2017Observed: 459.86 ft at 4:45PM Aug 12, 2017Observed: 459.87 ft at 5:00PM Aug 12, 2017Observed: 459.87 ft at 5:15PM Aug 12, 2017Observed: 459.87 ft at 5:30PM Aug 12, 2017Observed: 459.86 ft at 5:45PM Aug 12, 2017Observed: 459.86 ft at 6:00PM Aug 12, 2017Observed: 459.86 ft at 6:15PM Aug 12, 2017Observed: 459.86 ft at 6:30PM Aug 12, 2017Observed: 459.87 ft at 6:45PM Aug 12, 2017Observed: 459.87 ft at 7:00PM Aug 12, 2017Observed: 459.87 ft at 7:15PM Aug 12, 2017Observed: 459.87 ft at 7:30PM Aug 12, 2017Observed: 459.86 ft at 7:45PM Aug 12, 2017Observed: 459.86 ft at 8:00PM Aug 12, 2017Observed: 459.86 ft at 8:15PM Aug 12, 2017Observed: 459.87 ft at 8:30PM Aug 12, 2017Observed: 459.86 ft at 8:45PM Aug 12, 2017Observed: 459.86 ft at 9:00PM Aug 12, 2017Observed: 459.86 ft at 9:15PM Aug 12, 2017Observed: 459.86 ft at 9:30PM Aug 12, 2017Observed: 459.85 ft at 9:45PM Aug 12, 2017Observed: 459.86 ft at 10:00PM Aug 12, 2017Observed: 459.86 ft at 10:15PM Aug 12, 2017Observed: 459.87 ft at 10:30PM Aug 12, 2017Observed: 459.86 ft at 10:45PM Aug 12, 2017Observed: 459.87 ft at 11:00PM Aug 12, 2017Observed: 459.86 ft at 11:15PM Aug 12, 2017Observed: 459.85 ft at 11:30PM Aug 12, 2017Observed: 459.86 ft at 11:45PM Aug 12, 2017Observed: 459.86 ft at 12:00AM Aug 13, 2017Observed: 459.87 ft at 12:15AM Aug 13, 2017Observed: 459.87 ft at 12:30AM Aug 13, 2017Observed: 459.87 ft at 12:45AM Aug 13, 2017Observed: 459.87 ft at 1:00AM Aug 13, 2017Observed: 459.87 ft at 1:15AM Aug 13, 2017Observed: 459.87 ft at 1:30AM Aug 13, 2017Observed: 459.86 ft at 1:45AM Aug 13, 2017Observed: 459.87 ft at 2:00AM Aug 13, 2017Observed: 459.87 ft at 2:15AM Aug 13, 2017Observed: 459.87 ft at 2:30AM Aug 13, 2017Observed: 459.87 ft at 2:45AM Aug 13, 2017Observed: 459.86 ft at 3:00AM Aug 13, 2017Observed: 459.86 ft at 3:15AM Aug 13, 2017Observed: 459.87 ft at 3:30AM Aug 13, 2017Observed: 459.87 ft at 3:45AM Aug 13, 2017Observed: 459.87 ft at 4:00AM Aug 13, 2017Observed: 459.86 ft at 4:15AM Aug 13, 2017Observed: 459.86 ft at 4:30AM Aug 13, 2017Observed: 459.86 ft at 4:45AM Aug 13, 2017Observed: 459.87 ft at 5:00AM Aug 13, 2017Observed: 459.86 ft at 5:15AM Aug 13, 2017Observed: 459.86 ft at 5:30AM Aug 13, 2017Observed: 459.86 ft at 5:45AM Aug 13, 2017Observed: 459.87 ft at 6:00AM Aug 13, 2017Observed: 459.87 ft at 6:15AM Aug 13, 2017Observed: 459.87 ft at 6:30AM Aug 13, 2017Observed: 459.86 ft at 6:45AM Aug 13, 2017Observed: 459.86 ft at 7:00AM Aug 13, 2017Observed: 459.86 ft at 7:15AM Aug 13, 2017Observed: 459.86 ft at 7:30AM Aug 13, 2017Observed: 459.87 ft at 7:45AM Aug 13, 2017Observed: 459.87 ft at 8:00AM Aug 13, 2017Observed: 459.86 ft at 8:15AM Aug 13, 2017Observed: 459.86 ft at 8:30AM Aug 13, 2017Observed: 459.86 ft at 8:45AM Aug 13, 2017Observed: 459.87 ft at 9:00AM Aug 13, 2017Observed: 459.87 ft at 9:15AM Aug 13, 2017Observed: 459.87 ft at 9:30AM Aug 13, 2017Observed: 459.86 ft at 9:45AM Aug 13, 2017Observed: 459.87 ft at 10:00AM Aug 13, 2017Observed: 459.86 ft at 10:15AM Aug 13, 2017Observed: 459.86 ft at 10:30AM Aug 13, 2017Observed: 459.86 ft at 10:45AM Aug 13, 2017Observed: 459.86 ft at 11:00AM Aug 13, 2017Observed: 459.85 ft at 11:15AM Aug 13, 2017Observed: 459.86 ft at 11:30AM Aug 13, 2017Observed: 459.86 ft at 11:45AM Aug 13, 2017Observed: 459.86 ft at 12:00PM Aug 13, 2017Observed: 459.86 ft at 12:15PM Aug 13, 2017Observed: 459.86 ft at 12:30PM Aug 13, 2017Observed: 459.85 ft at 12:45PM Aug 13, 2017Observed: 459.86 ft at 1:00PM Aug 13, 2017Observed: 459.86 ft at 1:15PM Aug 13, 2017Observed: 459.87 ft at 1:30PM Aug 13, 2017Observed: 459.86 ft at 1:45PM Aug 13, 2017Observed: 459.87 ft at 2:00PM Aug 13, 2017Observed: 459.86 ft at 2:15PM Aug 13, 2017Observed: 459.86 ft at 2:30PM Aug 13, 2017Observed: 459.86 ft at 2:45PM Aug 13, 2017Observed: 459.86 ft at 3:00PM Aug 13, 2017Observed: 459.86 ft at 3:15PM Aug 13, 2017Observed: 459.87 ft at 3:30PM Aug 13, 2017Observed: 459.86 ft at 3:45PM Aug 13, 2017Observed: 459.86 ft at 4:00PM Aug 13, 2017Observed: 459.87 ft at 4:15PM Aug 13, 2017Observed: 459.87 ft at 4:30PM Aug 13, 2017Observed: 459.87 ft at 4:45PM Aug 13, 2017Observed: 459.87 ft at 5:00PM Aug 13, 2017Observed: 459.86 ft at 5:15PM Aug 13, 2017Observed: 459.87 ft at 5:30PM Aug 13, 2017Observed: 459.87 ft at 5:45PM Aug 13, 2017Observed: 459.87 ft at 6:00PM Aug 13, 2017Observed: 459.87 ft at 6:15PM Aug 13, 2017Observed: 459.86 ft at 6:30PM Aug 13, 2017Observed: 459.86 ft at 6:45PM Aug 13, 2017Observed: 459.86 ft at 7:00PM Aug 13, 2017Observed: 459.86 ft at 7:15PM Aug 13, 2017Observed: 459.86 ft at 7:30PM Aug 13, 2017Observed: 459.86 ft at 7:45PM Aug 13, 2017Observed: 459.86 ft at 8:00PM Aug 13, 2017Observed: 459.86 ft at 8:15PM Aug 13, 2017Observed: 459.87 ft at 8:30PM Aug 13, 2017Observed: 459.87 ft at 8:45PM Aug 13, 2017Observed: 459.86 ft at 9:00PM Aug 13, 2017Observed: 459.86 ft at 9:15PM Aug 13, 2017Observed: 459.87 ft at 9:30PM Aug 13, 2017Observed: 459.86 ft at 9:45PM Aug 13, 2017Observed: 459.86 ft at 10:00PM Aug 13, 2017Observed: 459.86 ft at 10:15PM Aug 13, 2017Observed: 459.87 ft at 10:30PM Aug 13, 2017Observed: 459.86 ft at 10:45PM Aug 13, 2017Observed: 459.87 ft at 11:00PM Aug 13, 2017Observed: 459.87 ft at 11:15PM Aug 13, 2017Observed: 459.87 ft at 11:30PM Aug 13, 2017Observed: 459.87 ft at 11:45PM Aug 13, 2017Observed: 459.88 ft at 12:00AM Aug 14, 2017Observed: 459.87 ft at 12:15AM Aug 14, 2017Observed: 459.87 ft at 12:30AM Aug 14, 2017Observed: 459.87 ft at 12:45AM Aug 14, 2017Observed: 459.87 ft at 1:00AM Aug 14, 2017Observed: 459.86 ft at 1:15AM Aug 14, 2017Observed: 459.86 ft at 1:30AM Aug 14, 2017Observed: 459.86 ft at 1:45AM Aug 14, 2017Observed: 459.87 ft at 2:00AM Aug 14, 2017Observed: 459.87 ft at 2:15AM Aug 14, 2017Observed: 459.87 ft at 2:30AM Aug 14, 2017Observed: 459.87 ft at 2:45AM Aug 14, 2017Observed: 459.87 ft at 3:00AM Aug 14, 2017Observed: 459.87 ft at 3:15AM Aug 14, 2017Observed: 459.87 ft at 3:30AM Aug 14, 2017Observed: 459.87 ft at 3:45AM Aug 14, 2017Observed: 459.87 ft at 4:00AM Aug 14, 2017Observed: 459.87 ft at 4:15AM Aug 14, 2017Observed: 459.87 ft at 4:30AM Aug 14, 2017Observed: 459.87 ft at 4:45AM Aug 14, 2017Observed: 459.86 ft at 5:00AM Aug 14, 2017Observed: 459.87 ft at 5:15AM Aug 14, 2017Observed: 459.86 ft at 5:30AM Aug 14, 2017Observed: 459.87 ft at 5:45AM Aug 14, 2017Observed: 459.86 ft at 6:00AM Aug 14, 2017Observed: 459.87 ft at 6:15AM Aug 14, 2017Observed: 459.86 ft at 6:30AM Aug 14, 2017Observed: 459.87 ft at 6:45AM Aug 14, 2017Observed: 459.87 ft at 7:00AM Aug 14, 2017Observed: 459.87 ft at 7:15AM Aug 14, 2017Observed: 459.87 ft at 7:30AM Aug 14, 2017Observed: 459.87 ft at 7:45AM Aug 14, 2017Observed: 459.87 ft at 8:00AM Aug 14, 2017Observed: 459.87 ft at 8:15AM Aug 14, 2017Observed: 459.87 ft at 8:30AM Aug 14, 2017Observed: 459.86 ft at 8:45AM Aug 14, 2017Observed: 459.86 ft at 9:00AM Aug 14, 2017Observed: 459.86 ft at 9:15AM Aug 14, 2017Observed: 459.87 ft at 9:30AM Aug 14, 2017Observed: 459.86 ft at 9:45AM Aug 14, 2017Observed: 459.86 ft at 10:00AM Aug 14, 2017Observed: 459.86 ft at 10:15AM Aug 14, 2017Observed: 459.86 ft at 10:30AM Aug 14, 2017Observed: 459.87 ft at 10:45AM Aug 14, 2017Observed: 459.87 ft at 11:00AM Aug 14, 2017Observed: 459.86 ft at 11:15AM Aug 14, 2017Observed: 459.87 ft at 11:30AM Aug 14, 2017Observed: 459.86 ft at 11:45AM Aug 14, 2017Observed: 459.87 ft at 12:00PM Aug 14, 2017Observed: 459.86 ft at 12:15PM Aug 14, 2017Observed: 459.86 ft at 12:30PM Aug 14, 2017Observed: 459.87 ft at 12:45PM Aug 14, 2017Observed: 459.87 ft at 1:00PM Aug 14, 2017Observed: 459.86 ft at 1:15PM Aug 14, 2017Observed: 459.87 ft at 1:30PM Aug 14, 2017Observed: 459.86 ft at 1:45PM Aug 14, 2017Observed: 459.86 ft at 2:00PM Aug 14, 2017Observed: 459.86 ft at 2:15PM Aug 14, 2017Observed: 459.86 ft at 2:30PM Aug 14, 2017Observed: 459.87 ft at 2:45PM Aug 14, 2017Observed: 459.86 ft at 3:00PM Aug 14, 2017Observed: 459.86 ft at 3:15PM Aug 14, 2017Observed: 459.87 ft at 3:30PM Aug 14, 2017Observed: 459.87 ft at 3:45PM Aug 14, 2017Observed: 459.86 ft at 4:00PM Aug 14, 2017Observed: 459.87 ft at 4:15PM Aug 14, 2017Observed: 459.86 ft at 4:30PM Aug 14, 2017Observed: 459.87 ft at 4:45PM Aug 14, 2017Observed: 459.87 ft at 5:00PM Aug 14, 2017Observed: 459.87 ft at 5:15PM Aug 14, 2017Observed: 459.86 ft at 5:30PM Aug 14, 2017Observed: 459.86 ft at 5:45PM Aug 14, 2017Observed: 459.87 ft at 6:00PM Aug 14, 2017Observed: 459.87 ft at 6:15PM Aug 14, 2017Observed: 459.87 ft at 6:30PM Aug 14, 2017Observed: 459.87 ft at 6:45PM Aug 14, 2017Observed: 459.87 ft at 7:00PM Aug 14, 2017Observed: 459.86 ft at 7:15PM Aug 14, 2017Observed: 459.87 ft at 7:30PM Aug 14, 2017Observed: 459.87 ft at 7:45PM Aug 14, 2017Observed: 459.86 ft at 8:00PM Aug 14, 2017Observed: 459.86 ft at 8:15PM Aug 14, 2017Observed: 459.86 ft at 8:30PM Aug 14, 2017Observed: 459.86 ft at 8:45PM Aug 14, 2017Observed: 459.87 ft at 9:00PM Aug 14, 2017Observed: 459.87 ft at 9:15PM Aug 14, 2017Observed: 459.87 ft at 9:30PM Aug 14, 2017Observed: 459.87 ft at 9:45PM Aug 14, 2017Observed: 459.87 ft at 10:00PM Aug 14, 2017Observed: 459.86 ft at 10:15PM Aug 14, 2017Observed: 459.87 ft at 10:30PM Aug 14, 2017Observed: 459.86 ft at 10:45PM Aug 14, 2017Observed: 459.86 ft at 11:00PM Aug 14, 2017Observed: 459.86 ft at 11:15PM Aug 14, 2017Observed: 459.86 ft at 11:30PM Aug 14, 2017Observed: 459.86 ft at 11:45PM Aug 14, 2017Observed: 459.86 ft at 12:00AM Aug 15, 2017Observed: 459.86 ft at 12:15AM Aug 15, 2017Observed: 459.86 ft at 12:30AM Aug 15, 2017Observed: 459.87 ft at 12:45AM Aug 15, 2017Observed: 459.87 ft at 1:00AM Aug 15, 2017Observed: 459.87 ft at 1:15AM Aug 15, 2017Observed: 459.87 ft at 1:30AM Aug 15, 2017Observed: 459.86 ft at 1:45AM Aug 15, 2017Observed: 459.87 ft at 2:00AM Aug 15, 2017Observed: 459.87 ft at 2:15AM Aug 15, 2017Observed: 459.86 ft at 2:30AM Aug 15, 2017Observed: 459.86 ft at 2:45AM Aug 15, 2017Observed: 459.86 ft at 3:00AM Aug 15, 2017Observed: 459.85 ft at 3:15AM Aug 15, 2017Observed: 459.86 ft at 3:30AM Aug 15, 2017Observed: 459.86 ft at 3:45AM Aug 15, 2017Observed: 459.86 ft at 4:00AM Aug 15, 2017Observed: 459.86 ft at 4:15AM Aug 15, 2017Observed: 459.86 ft at 4:30AM Aug 15, 2017Observed: 459.86 ft at 4:45AM Aug 15, 2017Observed: 459.86 ft at 5:00AM Aug 15, 2017Observed: 459.87 ft at 5:15AM Aug 15, 2017Observed: 459.87 ft at 5:30AM Aug 15, 2017Observed: 459.86 ft at 5:45AM Aug 15, 2017Observed: 459.86 ft at 6:00AM Aug 15, 2017Observed: 459.86 ft at 6:15AM Aug 15, 2017Observed: 459.86 ft at 6:30AM Aug 15, 2017Observed: 459.86 ft at 6:45AM Aug 15, 2017Observed: 459.87 ft at 7:00AM Aug 15, 2017Observed: 459.87 ft at 7:15AM Aug 15, 2017Observed: 459.87 ft at 7:30AM Aug 15, 2017Observed: 459.86 ft at 7:45AM Aug 15, 2017Observed: 459.86 ft at 8:00AM Aug 15, 2017Observed: 459.86 ft at 8:15AM Aug 15, 2017Observed: 459.86 ft at 8:30AM Aug 15, 2017Observed: 459.86 ft at 8:45AM Aug 15, 2017Observed: 459.86 ft at 9:00AM Aug 15, 2017Observed: 459.86 ft at 9:15AM Aug 15, 2017Observed: 459.86 ft at 9:30AM Aug 15, 2017Observed: 459.85 ft at 9:45AM Aug 15, 2017Observed: 459.86 ft at 10:00AM Aug 15, 2017Observed: 459.85 ft at 10:15AM Aug 15, 2017Observed: 459.86 ft at 10:30AM Aug 15, 2017Observed: 459.86 ft at 10:45AM Aug 15, 2017Observed: 459.86 ft at 11:00AM Aug 15, 2017Observed: 459.86 ft at 11:15AM Aug 15, 2017Observed: 459.86 ft at 11:30AM Aug 15, 2017Observed: 459.85 ft at 11:45AM Aug 15, 2017Observed: 459.86 ft at 12:00PM Aug 15, 2017Observed: 459.86 ft at 12:15PM Aug 15, 2017Observed: 459.86 ft at 12:30PM Aug 15, 2017Observed: 459.86 ft at 12:45PM Aug 15, 2017Observed: 459.87 ft at 1:00PM Aug 15, 2017Observed: 459.87 ft at 1:15PM Aug 15, 2017Observed: 459.87 ft at 1:30PM Aug 15, 2017Observed: 459.87 ft at 1:45PM Aug 15, 2017Observed: 459.87 ft at 2:00PM Aug 15, 2017Observed: 459.87 ft at 2:15PM Aug 15, 2017Observed: 459.87 ft at 2:30PM Aug 15, 2017Observed: 459.87 ft at 2:45PM Aug 15, 2017Observed: 459.87 ft at 3:00PM Aug 15, 2017Observed: 459.87 ft at 3:15PM Aug 15, 2017Observed: 459.87 ft at 3:30PM Aug 15, 2017Observed: 459.87 ft at 3:45PM Aug 15, 2017Observed: 459.87 ft at 4:00PM Aug 15, 2017Observed: 459.87 ft at 4:15PM Aug 15, 2017Observed: 459.87 ft at 4:30PM Aug 15, 2017Observed: 459.87 ft at 4:45PM Aug 15, 2017Observed: 459.87 ft at 5:00PM Aug 15, 2017Observed: 459.86 ft at 5:15PM Aug 15, 2017Observed: 459.86 ft at 5:30PM Aug 15, 2017Observed: 459.86 ft at 5:45PM Aug 15, 2017Observed: 459.86 ft at 6:00PM Aug 15, 2017Observed: 459.86 ft at 6:15PM Aug 15, 2017Observed: 459.86 ft at 6:30PM Aug 15, 2017Observed: 459.87 ft at 6:45PM Aug 15, 2017Observed: 459.86 ft at 7:00PM Aug 15, 2017Observed: 459.86 ft at 7:15PM Aug 15, 2017Observed: 459.86 ft at 7:30PM Aug 15, 2017Observed: 459.87 ft at 7:45PM Aug 15, 2017Observed: 459.87 ft at 8:00PM Aug 15, 2017Observed: 459.87 ft at 8:15PM Aug 15, 2017Observed: 459.87 ft at 8:30PM Aug 15, 2017Observed: 459.87 ft at 8:45PM Aug 15, 2017Observed: 459.87 ft at 9:00PM Aug 15, 2017Observed: 459.87 ft at 9:15PM Aug 15, 2017Observed: 459.86 ft at 9:30PM Aug 15, 2017Observed: 459.87 ft at 9:45PM Aug 15, 2017Observed: 459.87 ft at 10:00PM Aug 15, 2017Observed: 459.86 ft at 10:15PM Aug 15, 2017Observed: 459.86 ft at 10:30PM Aug 15, 2017Observed: 459.86 ft at 10:45PM Aug 15, 2017Observed: 459.87 ft at 11:00PM Aug 15, 2017Observed: 459.87 ft at 11:15PM Aug 15, 2017Observed: 459.87 ft at 11:30PM Aug 15, 2017Observed: 459.86 ft at 11:45PM Aug 15, 2017Observed: 459.86 ft at 12:00AM Aug 16, 2017Observed: 459.86 ft at 12:15AM Aug 16, 2017Observed: 459.86 ft at 12:30AM Aug 16, 2017Observed: 459.87 ft at 12:45AM Aug 16, 2017Observed: 459.86 ft at 1:00AM Aug 16, 2017Observed: 459.86 ft at 1:15AM Aug 16, 2017Observed: 459.86 ft at 1:30AM Aug 16, 2017Observed: 459.86 ft at 1:45AM Aug 16, 2017Observed: 459.87 ft at 2:00AM Aug 16, 2017Observed: 459.87 ft at 2:15AM Aug 16, 2017Observed: 459.86 ft at 2:30AM Aug 16, 2017Observed: 459.87 ft at 2:45AM Aug 16, 2017Observed: 459.86 ft at 3:00AM Aug 16, 2017Observed: 459.86 ft at 3:15AM Aug 16, 2017Observed: 459.86 ft at 3:30AM Aug 16, 2017Observed: 459.87 ft at 3:45AM Aug 16, 2017Observed: 459.87 ft at 4:00AM Aug 16, 2017Observed: 459.87 ft at 4:15AM Aug 16, 2017Observed: 459.87 ft at 4:30AM Aug 16, 2017Observed: 459.87 ft at 4:45AM Aug 16, 2017Observed: 459.87 ft at 5:00AM Aug 16, 2017Observed: 459.87 ft at 5:15AM Aug 16, 2017Observed: 459.87 ft at 5:30AM Aug 16, 2017Observed: 459.87 ft at 5:45AM Aug 16, 2017Observed: 459.88 ft at 6:00AM Aug 16, 2017Observed: 459.87 ft at 6:15AM Aug 16, 2017Observed: 459.87 ft at 6:30AM Aug 16, 2017Observed: 459.87 ft at 6:45AM Aug 16, 2017Observed: 459.87 ft at 7:00AM Aug 16, 2017Observed: 459.87 ft at 7:15AM Aug 16, 2017Observed: 459.87 ft at 7:30AM Aug 16, 2017Observed: 459.87 ft at 7:45AM Aug 16, 2017Observed: 459.87 ft at 8:00AM Aug 16, 2017Observed: 459.87 ft at 8:15AM Aug 16, 2017Observed: 459.87 ft at 8:30AM Aug 16, 2017Observed: 459.87 ft at 8:45AM Aug 16, 2017Observed: 459.87 ft at 9:00AM Aug 16, 2017Observed: 459.87 ft at 9:15AM Aug 16, 2017Observed: 459.87 ft at 9:30AM Aug 16, 2017Observed: 459.87 ft at 9:45AM Aug 16, 2017Observed: 459.87 ft at 10:00AM Aug 16, 2017Observed: 459.87 ft at 10:15AM Aug 16, 2017Observed: 459.87 ft at 10:30AM Aug 16, 2017Observed: 459.87 ft at 10:45AM Aug 16, 2017Observed: 459.87 ft at 11:00AM Aug 16, 2017Observed: 459.87 ft at 11:15AM Aug 16, 2017Observed: 459.87 ft at 11:30AM Aug 16, 2017Observed: 459.87 ft at 11:45AM Aug 16, 2017Observed: 459.86 ft at 12:00PM Aug 16, 2017Highest Observation: 509.02 ft at 12:15PM Aug 16, 2017Observed: 459.01 ft at 12:30PM Aug 16, 2017Observed: 459 ft at 12:45PM Aug 16, 2017Observed: 459 ft at 1:00PM Aug 16, 2017Observed: 459.01 ft at 1:15PM Aug 16, 2017Observed: 458.94 ft at 1:30PM Aug 16, 2017Observed: 458.95 ft at 1:45PM Aug 16, 2017Observed: 459.01 ft at 2:00PM Aug 16, 2017Observed: 459 ft at 2:15PM Aug 16, 2017Observed: 458.99 ft at 2:30PM Aug 16, 2017Observed: 459.08 ft at 2:45PM Aug 16, 2017Observed: 459.09 ft at 3:00PM Aug 16, 2017Observed: 459.06 ft at 3:15PM Aug 16, 2017Observed: 459 ft at 3:30PM Aug 16, 2017Observed: 459.02 ft at 3:45PM Aug 16, 2017Observed: 459.03 ft at 4:00PM Aug 16, 2017Observed: 459.05 ft at 4:15PM Aug 16, 2017Observed: 459.04 ft at 4:30PM Aug 16, 2017Observed: 459.02 ft at 4:45PM Aug 16, 2017Observed: 459 ft at 5:00PM Aug 16, 2017Observed: 458.98 ft at 5:15PM Aug 16, 2017Observed: 458.98 ft at 5:30PM Aug 16, 2017Observed: 458.97 ft at 5:45PM Aug 16, 2017Observed: 458.97 ft at 6:00PM Aug 16, 2017Observed: 458.97 ft at 6:15PM Aug 16, 2017Observed: 458.98 ft at 6:30PM Aug 16, 2017Observed: 458.92 ft at 6:45PM Aug 16, 2017Observed: 458.93 ft at 7:00PM Aug 16, 2017Observed: 458.95 ft at 7:15PM Aug 16, 2017Observed: 458.94 ft at 7:30PM Aug 16, 2017Observed: 458.96 ft at 7:45PM Aug 16, 2017Observed: 459.09 ft at 8:00PM Aug 16, 2017Observed: 458.98 ft at 8:15PM Aug 16, 2017Observed: 459 ft at 8:30PM Aug 16, 2017Observed: 458.98 ft at 8:45PM Aug 16, 2017Observed: 458.97 ft at 9:00PM Aug 16, 2017Observed: 458.97 ft at 9:15PM Aug 16, 2017Observed: 458.97 ft at 9:30PM Aug 16, 2017Observed: 458.97 ft at 9:45PM Aug 16, 2017Observed: 458.98 ft at 10:00PM Aug 16, 2017Observed: 458.98 ft at 10:15PM Aug 16, 2017Observed: 458.98 ft at 10:30PM Aug 16, 2017Observed: 458.98 ft at 10:45PM Aug 16, 2017Observed: 458.99 ft at 11:00PM Aug 16, 2017Observed: 459.01 ft at 11:15PM Aug 16, 2017Observed: 459.02 ft at 11:30PM Aug 16, 2017Observed: 459.04 ft at 11:45PM Aug 16, 2017Observed: 459.05 ft at 12:00AM Aug 17, 2017Observed: 459.07 ft at 12:15AM Aug 17, 2017Observed: 459.1 ft at 12:30AM Aug 17, 2017Observed: 459.19 ft at 12:45AM Aug 17, 2017Observed: 459.17 ft at 1:00AM Aug 17, 2017Observed: 459.09 ft at 1:15AM Aug 17, 2017Observed: 459.17 ft at 1:30AM Aug 17, 2017Observed: 459.17 ft at 1:45AM Aug 17, 2017Observed: 459.16 ft at 2:00AM Aug 17, 2017Observed: 459.18 ft at 2:15AM Aug 17, 2017Observed: 459.18 ft at 2:30AM Aug 17, 2017Observed: 459.19 ft at 2:45AM Aug 17, 2017Observed: 459.21 ft at 3:00AM Aug 17, 2017Observed: 459.21 ft at 3:15AM Aug 17, 2017Observed: 459.23 ft at 3:30AM Aug 17, 2017Observed: 459.24 ft at 3:45AM Aug 17, 2017Observed: 459.25 ft at 4:00AM Aug 17, 2017Observed: 459.25 ft at 4:15AM Aug 17, 2017Observed: 459.26 ft at 4:30AM Aug 17, 2017Observed: 459.26 ft at 4:45AM Aug 17, 2017Observed: 459.26 ft at 5:00AM Aug 17, 2017Observed: 459.26 ft at 5:15AM Aug 17, 2017Observed: 459.26 ft at 5:30AM Aug 17, 2017Observed: 459.27 ft at 5:45AM Aug 17, 2017Observed: 459.35 ft at 6:00AM Aug 17, 2017Observed: 459.33 ft at 6:15AM Aug 17, 2017Observed: 459.31 ft at 6:30AM Aug 17, 2017Observed: 459.31 ft at 6:45AM Aug 17, 2017Observed: 459.22 ft at 7:00AM Aug 17, 2017Observed: 459.24 ft at 7:15AM Aug 17, 2017Observed: 459.24 ft at 7:30AM Aug 17, 2017US Army Corps of EngineersOTWI2(plotting HGIRG) Graph Created (8:38AM Aug 17, 2017)ObservedLatest observed value: 459.24 ft at 7:30 AM CDT 17-Aug-2017. Flood Stage is 463 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
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 at Ottawa are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Marseilles lock/dam Upstream Gauge Downstream Gauge Downstream Gauge - at Starved Rock lock/dam
Flood Categories (in feet)
Major Flood Stage: 469
Moderate Flood Stage: 466
Flood Stage: 463
Action Stage: 461
Low Stage (in feet): -9999

Historic Crests
(1) 473.72 ft on 04/19/2013
(2) 472.21 ft on 09/16/2008
(3) 470.23 ft on 03/11/2009
(4) 468.87 ft on 12/29/2008
(5) 468.06 ft on 12/30/2015 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 464.10 ft on 07/23/2017
(2) 466.46 ft on 05/02/2017
(3) 464.33 ft on 03/31/2017
(4) 468.06 ft on 12/30/2015 (P)
(5) 467.86 ft on 06/17/2015 (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:16
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Gauge LocationGauge Map Marker
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
476 Water reaches top of Illinois River levee at Ottawa High School.
474.5 Water reaches top of Fox River levee at Ottawa High School.
471.5 Water reaches top of Illinois River levee at city of Ottawa waste water treatment plant.
470 St Elizabeth Medical Center in Ottawa loading dock and property are threatened.
468.8 Water reaches top of Fox River bank at YMCA.
468.1 River rescue squad threatened.
467 Green St at Shoreline Boat Club flooded.
466.4 Water reaches top of Fox River bank at Hudson St river walk.
465.3 Hudson St at Marquette football field is threatened.
463.9 Water reaches top of Fox River bank at St Elizabeth Medical Center in Ottawa.
462.4 Allen Park entrance threatened and West boat ramp is submerged.
460.8 River Rescue emergency boat dock is submerged. Ottawa High School begins flood fighting.
Photos
(1) Gage equipment located on top of levee near mouth of Fox River.
(2) Levee at Ottawa High School.
(3) Looking downstream from atop levee 9/3/2009. Gage height 459.80 ft.
(4) Looking upstream from atop levee 9/3/2009. Gage height 459.80 ft.
About This Location Collapse

Latitude: 41.344444° N, Longitude: 88.839167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 463 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 Not Available Not Available 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
How much forecast precipitation was used for the current river forecast?
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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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 21-Dec-2016 5:20 PM
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