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Hydrograph River at a Glance Download
Illinois River at Seneca Stage (ft)Observed: 21.05 ft at 10:00AM Oct 16, 2019Highest Observation: 21.09 ft at 10:15AM Oct 16, 2019Observed: 21.06 ft at 10:30AM Oct 16, 2019Observed: 20.95 ft at 10:45AM Oct 16, 2019Observed: 21.01 ft at 11:00AM Oct 16, 2019Observed: 21 ft at 11:15AM Oct 16, 2019Observed: 20.99 ft at 11:30AM Oct 16, 2019Observed: 20.99 ft at 11:45AM Oct 16, 2019Observed: 20.99 ft at 12:00PM Oct 16, 2019Observed: 20.93 ft at 12:15PM Oct 16, 2019Observed: 20.93 ft at 12:30PM Oct 16, 2019Observed: 20.98 ft at 12:45PM Oct 16, 2019Observed: 20.97 ft at 1:00PM Oct 16, 2019Observed: 20.94 ft at 1:15PM Oct 16, 2019Observed: 20.94 ft at 1:30PM Oct 16, 2019Observed: 20.92 ft at 1:45PM Oct 16, 2019Observed: 20.94 ft at 2:00PM Oct 16, 2019Observed: 20.92 ft at 2:15PM Oct 16, 2019Observed: 20.88 ft at 2:30PM Oct 16, 2019Observed: 20.94 ft at 2:45PM Oct 16, 2019Observed: 20.94 ft at 3:00PM Oct 16, 2019Observed: 20.88 ft at 3:15PM Oct 16, 2019Observed: 20.89 ft at 3:30PM Oct 16, 2019Observed: 20.88 ft at 3:45PM Oct 16, 2019Observed: 20.8 ft at 4:00PM Oct 16, 2019Observed: 20.81 ft at 4:15PM Oct 16, 2019Observed: 20.87 ft at 4:30PM Oct 16, 2019Observed: 20.86 ft at 4:45PM Oct 16, 2019Observed: 20.83 ft at 5:00PM Oct 16, 2019Observed: 20.85 ft at 5:15PM Oct 16, 2019Observed: 20.84 ft at 5:30PM Oct 16, 2019Observed: 20.88 ft at 5:45PM Oct 16, 2019Observed: 20.85 ft at 6:00PM Oct 16, 2019Observed: 20.87 ft at 6:15PM Oct 16, 2019Observed: 20.85 ft at 6:30PM Oct 16, 2019Observed: 20.82 ft at 6:45PM Oct 16, 2019Observed: 20.81 ft at 7:00PM Oct 16, 2019Observed: 20.92 ft at 7:15PM Oct 16, 2019Observed: 20.81 ft at 7:30PM Oct 16, 2019Observed: 20.81 ft at 7:45PM Oct 16, 2019Observed: 20.82 ft at 8:00PM Oct 16, 2019Observed: 20.83 ft at 8:15PM Oct 16, 2019Observed: 20.77 ft at 8:30PM Oct 16, 2019Observed: 20.82 ft at 8:45PM Oct 16, 2019Observed: 20.86 ft at 9:00PM Oct 16, 2019Observed: 20.85 ft at 9:15PM Oct 16, 2019Observed: 20.81 ft at 9:30PM Oct 16, 2019Observed: 20.82 ft at 9:45PM Oct 16, 2019Observed: 20.84 ft at 10:00PM Oct 16, 2019Observed: 20.82 ft at 10:15PM Oct 16, 2019Observed: 20.89 ft at 10:30PM Oct 16, 2019Observed: 20.82 ft at 10:45PM Oct 16, 2019Observed: 20.79 ft at 11:00PM Oct 16, 2019Observed: 20.82 ft at 11:15PM Oct 16, 2019Observed: 20.83 ft at 11:30PM Oct 16, 2019Observed: 20.78 ft at 11:45PM Oct 16, 2019Observed: 20.74 ft at 12:00AM Oct 17, 2019Observed: 20.75 ft at 12:15AM Oct 17, 2019Observed: 20.77 ft at 12:30AM Oct 17, 2019Observed: 20.79 ft at 12:45AM Oct 17, 2019Observed: 20.72 ft at 1:00AM Oct 17, 2019Observed: 20.71 ft at 1:15AM Oct 17, 2019Observed: 20.8 ft at 1:30AM Oct 17, 2019Observed: 20.8 ft at 1:45AM Oct 17, 2019Observed: 20.77 ft at 2:00AM Oct 17, 2019Observed: 20.78 ft at 2:15AM Oct 17, 2019Observed: 20.8 ft at 2:30AM Oct 17, 2019Observed: 20.79 ft at 2:45AM Oct 17, 2019Observed: 20.74 ft at 3:00AM Oct 17, 2019Observed: 20.72 ft at 3:15AM Oct 17, 2019Observed: 20.78 ft at 3:30AM Oct 17, 2019Observed: 20.79 ft at 3:45AM Oct 17, 2019Observed: 20.76 ft at 4:00AM Oct 17, 2019Observed: 20.75 ft at 4:15AM Oct 17, 2019Observed: 20.79 ft at 4:30AM Oct 17, 2019Observed: 20.79 ft at 4:45AM Oct 17, 2019Observed: 20.78 ft at 5:00AM Oct 17, 2019Observed: 20.72 ft at 5:15AM Oct 17, 2019Observed: 20.73 ft at 5:30AM Oct 17, 2019Observed: 20.77 ft at 5:45AM Oct 17, 2019Observed: 20.79 ft at 6:00AM Oct 17, 2019Observed: 20.77 ft at 6:15AM Oct 17, 2019Observed: 20.79 ft at 6:30AM Oct 17, 2019Observed: 20.82 ft at 6:45AM Oct 17, 2019Observed: 20.84 ft at 7:00AM Oct 17, 2019Observed: 20.86 ft at 7:15AM Oct 17, 2019Observed: 20.79 ft at 7:30AM Oct 17, 2019Observed: 20.83 ft at 7:45AM Oct 17, 2019Observed: 20.91 ft at 8:00AM Oct 17, 2019Observed: 20.91 ft at 8:15AM Oct 17, 2019Observed: 20.9 ft at 8:30AM Oct 17, 2019Observed: 20.87 ft at 8:45AM Oct 17, 2019Observed: 20.9 ft at 9:00AM Oct 17, 2019Observed: 20.96 ft at 9:15AM Oct 17, 2019Observed: 20.98 ft at 9:30AM Oct 17, 2019Observed: 20.96 ft at 9:45AM Oct 17, 2019Observed: 20.88 ft at 10:00AM Oct 17, 2019Observed: 21 ft at 10:15AM Oct 17, 2019Observed: 21.01 ft at 10:30AM Oct 17, 2019Observed: 20.97 ft at 10:45AM Oct 17, 2019Observed: 20.99 ft at 11:00AM Oct 17, 2019Observed: 20.94 ft at 11:15AM Oct 17, 2019Observed: 20.84 ft at 11:30AM Oct 17, 2019Observed: 20.88 ft at 11:45AM Oct 17, 2019Observed: 20.92 ft at 12:00PM Oct 17, 2019Observed: 20.87 ft at 12:15PM Oct 17, 2019Observed: 20.87 ft at 12:30PM Oct 17, 2019Observed: 20.87 ft at 12:45PM Oct 17, 2019Observed: 20.89 ft at 1:00PM Oct 17, 2019Observed: 20.88 ft at 1:15PM Oct 17, 2019Observed: 20.82 ft at 1:30PM Oct 17, 2019Observed: 20.8 ft at 1:45PM Oct 17, 2019Observed: 20.84 ft at 2:00PM Oct 17, 2019Observed: 20.87 ft at 2:15PM Oct 17, 2019Observed: 20.83 ft at 2:30PM Oct 17, 2019Observed: 20.81 ft at 2:45PM Oct 17, 2019Observed: 20.84 ft at 3:00PM Oct 17, 2019Observed: 20.84 ft at 3:15PM Oct 17, 2019Observed: 20.77 ft at 3:30PM Oct 17, 2019Observed: 20.81 ft at 3:45PM Oct 17, 2019Observed: 20.6 ft at 4:00PM Oct 17, 2019Observed: 20.76 ft at 4:15PM Oct 17, 2019Observed: 20.77 ft at 4:30PM Oct 17, 2019Observed: 20.78 ft at 4:45PM Oct 17, 2019Observed: 20.68 ft at 6:00PM Oct 17, 2019Observed: 20.69 ft at 6:15PM Oct 17, 2019Observed: 20.68 ft at 6:30PM Oct 17, 2019Observed: 20.68 ft at 6:45PM Oct 17, 2019Observed: 20.57 ft at 7:00PM Oct 17, 2019Observed: 20.62 ft at 7:15PM Oct 17, 2019Observed: 20.69 ft at 7:30PM Oct 17, 2019Observed: 20.68 ft at 7:45PM Oct 17, 2019Observed: 20.66 ft at 8:00PM Oct 17, 2019Observed: 20.6 ft at 8:15PM Oct 17, 2019Observed: 20.65 ft at 8:30PM Oct 17, 2019Observed: 20.7 ft at 8:45PM Oct 17, 2019Observed: 20.67 ft at 9:00PM Oct 17, 2019Observed: 20.63 ft at 9:15PM Oct 17, 2019Observed: 20.65 ft at 9:30PM Oct 17, 2019Observed: 20.58 ft at 9:45PM Oct 17, 2019Observed: 20.61 ft at 10:00PM Oct 17, 2019Observed: 20.66 ft at 10:15PM Oct 17, 2019Observed: 20.62 ft at 10:30PM Oct 17, 2019Observed: 20.6 ft at 10:45PM Oct 17, 2019Observed: 20.62 ft at 11:00PM Oct 17, 2019Observed: 20.62 ft at 11:15PM Oct 17, 2019Observed: 20.61 ft at 11:30PM Oct 17, 2019Observed: 20.61 ft at 11:45PM Oct 17, 2019Observed: 20.6 ft at 12:00AM Oct 18, 2019Observed: 20.54 ft at 12:15AM Oct 18, 2019Observed: 20.52 ft at 12:30AM Oct 18, 2019Observed: 20.59 ft at 12:45AM Oct 18, 2019Observed: 20.61 ft at 1:00AM Oct 18, 2019Observed: 20.57 ft at 1:15AM Oct 18, 2019Observed: 20.55 ft at 1:30AM Oct 18, 2019Observed: 20.59 ft at 1:45AM Oct 18, 2019Observed: 20.51 ft at 2:00AM Oct 18, 2019Observed: 20.53 ft at 2:15AM Oct 18, 2019Observed: 20.63 ft at 2:30AM Oct 18, 2019Observed: 20.65 ft at 2:45AM Oct 18, 2019Observed: 20.64 ft at 3:00AM Oct 18, 2019Observed: 20.65 ft at 3:15AM Oct 18, 2019Observed: 20.64 ft at 3:30AM Oct 18, 2019Observed: 20.73 ft at 3:45AM Oct 18, 2019Observed: 20.74 ft at 4:00AM Oct 18, 2019Observed: 20.73 ft at 4:15AM Oct 18, 2019Observed: 20.77 ft at 4:30AM Oct 18, 2019Observed: 20.81 ft at 4:45AM Oct 18, 2019Observed: 20.85 ft at 5:00AM Oct 18, 2019Observed: 20.86 ft at 5:15AM Oct 18, 2019Observed: 20.79 ft at 5:30AM Oct 18, 2019Observed: 20.9 ft at 5:45AM Oct 18, 2019Observed: 20.96 ft at 6:00AM Oct 18, 2019Observed: 20.95 ft at 6:15AM Oct 18, 2019Observed: 20.97 ft at 6:30AM Oct 18, 2019Observed: 20.69 ft at 6:45AM Oct 18, 2019Observed: 20.94 ft at 7:00AM Oct 18, 2019Observed: 20.98 ft at 7:15AM Oct 18, 2019Observed: 20.96 ft at 7:30AM Oct 18, 2019Observed: 20.92 ft at 7:45AM Oct 18, 2019Observed: 20.94 ft at 8:00AM Oct 18, 2019Observed: 20.93 ft at 8:15AM Oct 18, 2019Observed: 20.91 ft at 8:30AM Oct 18, 2019Observed: 20.92 ft at 8:45AM Oct 18, 2019Observed: 20.92 ft at 9:00AM Oct 18, 2019Observed: 20.97 ft at 9:15AM Oct 18, 2019Observed: 20.91 ft at 9:30AM Oct 18, 2019Observed: 20.85 ft at 9:45AM Oct 18, 2019Observed: 20.89 ft at 11:00AM Oct 18, 2019Observed: 20.86 ft at 11:15AM Oct 18, 2019Observed: 20.87 ft at 11:30AM Oct 18, 2019Observed: 20.93 ft at 11:45AM Oct 18, 2019Observed: 20.87 ft at 12:00PM Oct 18, 2019Observed: 20.85 ft at 12:15PM Oct 18, 2019Observed: 20.81 ft at 12:30PM Oct 18, 2019Observed: 20.89 ft at 12:45PM Oct 18, 2019Observed: 20.92 ft at 1:00PM Oct 18, 2019Observed: 20.86 ft at 1:15PM Oct 18, 2019Observed: 20.87 ft at 1:30PM Oct 18, 2019Observed: 20.81 ft at 1:45PM Oct 18, 2019Observed: 20.84 ft at 2:00PM Oct 18, 2019Observed: 20.91 ft at 2:15PM Oct 18, 2019Observed: 20.86 ft at 2:30PM Oct 18, 2019Observed: 20.84 ft at 2:45PM Oct 18, 2019Observed: 20.86 ft at 3:00PM Oct 18, 2019Observed: 20.85 ft at 3:15PM Oct 18, 2019Observed: 20.86 ft at 3:30PM Oct 18, 2019Observed: 20.85 ft at 3:45PM Oct 18, 2019Observed: 20.85 ft at 4:00PM Oct 18, 2019Observed: 20.84 ft at 4:15PM Oct 18, 2019Observed: 20.76 ft at 4:30PM Oct 18, 2019Observed: 20.79 ft at 4:45PM Oct 18, 2019Observed: 20.82 ft at 5:00PM Oct 18, 2019Observed: 20.79 ft at 5:15PM Oct 18, 2019Observed: 20.77 ft at 5:30PM Oct 18, 2019Observed: 20.76 ft at 5:45PM Oct 18, 2019Observed: 20.76 ft at 6:00PM Oct 18, 2019Observed: 20.67 ft at 6:15PM Oct 18, 2019Observed: 20.54 ft at 6:30PM Oct 18, 2019Observed: 20.76 ft at 6:45PM Oct 18, 2019Observed: 20.77 ft at 7:00PM Oct 18, 2019Observed: 20.74 ft at 7:15PM Oct 18, 2019Observed: 20.73 ft at 7:30PM Oct 18, 2019Observed: 20.75 ft at 7:45PM Oct 18, 2019Observed: 20.66 ft at 8:00PM Oct 18, 2019Observed: 20.66 ft at 8:15PM Oct 18, 2019Observed: 20.71 ft at 8:30PM Oct 18, 2019Observed: 20.74 ft at 8:45PM Oct 18, 2019Observed: 20.68 ft at 9:00PM Oct 18, 2019Observed: 20.68 ft at 9:15PM Oct 18, 2019Observed: 20.52 ft at 9:30PM Oct 18, 2019Observed: 20.55 ft at 9:45PM Oct 18, 2019Observed: 20.57 ft at 10:00PM Oct 18, 2019Observed: 20.64 ft at 10:15PM Oct 18, 2019Observed: 20.61 ft at 10:30PM Oct 18, 2019Observed: 20.68 ft at 10:45PM Oct 18, 2019Observed: 20.65 ft at 11:00PM Oct 18, 2019Observed: 20.66 ft at 11:15PM Oct 18, 2019Observed: 20.67 ft at 11:30PM Oct 18, 2019Observed: 20.65 ft at 11:45PM Oct 18, 2019Observed: 20.58 ft at 12:00AM Oct 19, 2019Observed: 20.65 ft at 12:15AM Oct 19, 2019Observed: 20.74 ft at 12:30AM Oct 19, 2019Observed: 20.67 ft at 12:45AM Oct 19, 2019Observed: 20.65 ft at 1:00AM Oct 19, 2019Observed: 20.65 ft at 1:15AM Oct 19, 2019Observed: 20.64 ft at 1:30AM Oct 19, 2019Observed: 20.7 ft at 1:45AM Oct 19, 2019Observed: 20.68 ft at 3:00AM Oct 19, 2019Observed: 20.75 ft at 3:15AM Oct 19, 2019Observed: 20.77 ft at 3:30AM Oct 19, 2019Observed: 20.41 ft at 3:45AM Oct 19, 2019Observed: 20.78 ft at 4:00AM Oct 19, 2019Observed: 20.66 ft at 4:15AM Oct 19, 2019Observed: 20.72 ft at 4:30AM Oct 19, 2019Observed: 20.81 ft at 4:45AM Oct 19, 2019Observed: 20.79 ft at 5:00AM Oct 19, 2019Observed: 20.79 ft at 5:15AM Oct 19, 2019Observed: 20.85 ft at 5:30AM Oct 19, 2019Observed: 20.78 ft at 5:45AM Oct 19, 2019Observed: 20.79 ft at 6:00AM Oct 19, 2019Observed: 20.87 ft at 6:15AM Oct 19, 2019Observed: 20.86 ft at 6:30AM Oct 19, 2019Observed: 20.87 ft at 6:45AM Oct 19, 2019Observed: 20.89 ft at 7:00AM Oct 19, 2019Observed: 20.93 ft at 7:15AM Oct 19, 2019Observed: 20.89 ft at 7:30AM Oct 19, 2019Observed: 20.92 ft at 7:45AM Oct 19, 2019Observed: 20.91 ft at 8:00AM Oct 19, 2019Observed: 20.92 ft at 8:15AM Oct 19, 2019Observed: 20.94 ft at 8:30AM Oct 19, 2019Observed: 20.95 ft at 8:45AM Oct 19, 2019Observed: 20.93 ft at 9:00AM Oct 19, 2019Observed: 20.9 ft at 9:15AM Oct 19, 2019Observed: 20.88 ft at 9:30AM Oct 19, 2019Observed: 20.83 ft at 9:45AM Oct 19, 2019Observed: 20.89 ft at 10:00AM Oct 19, 2019Observed: 20.92 ft at 10:15AM Oct 19, 2019Observed: 20.85 ft at 10:30AM Oct 19, 2019Observed: 20.87 ft at 10:45AM Oct 19, 2019Observed: 20.89 ft at 11:00AM Oct 19, 2019Observed: 20.9 ft at 11:15AM Oct 19, 2019Observed: 20.87 ft at 11:30AM Oct 19, 2019Observed: 20.79 ft at 11:45AM Oct 19, 2019Observed: 20.85 ft at 12:00PM Oct 19, 2019Observed: 20.89 ft at 12:15PM Oct 19, 2019Observed: 20.86 ft at 12:30PM Oct 19, 2019Observed: 20.87 ft at 12:45PM Oct 19, 2019Observed: 20.86 ft at 1:00PM Oct 19, 2019Observed: 20.88 ft at 1:15PM Oct 19, 2019Observed: 20.87 ft at 1:30PM Oct 19, 2019Observed: 20.85 ft at 1:45PM Oct 19, 2019Observed: 20.77 ft at 2:00PM Oct 19, 2019Observed: 20.84 ft at 2:15PM Oct 19, 2019Observed: 20.88 ft at 2:30PM Oct 19, 2019Observed: 20.83 ft at 2:45PM Oct 19, 2019Observed: 20.84 ft at 3:00PM Oct 19, 2019Observed: 20.71 ft at 3:15PM Oct 19, 2019Observed: 20.77 ft at 3:30PM Oct 19, 2019Observed: 20.8 ft at 3:45PM Oct 19, 2019Observed: 20.81 ft at 4:00PM Oct 19, 2019Observed: 20.8 ft at 4:15PM Oct 19, 2019Observed: 20.81 ft at 4:30PM Oct 19, 2019Observed: 20.8 ft at 4:45PM Oct 19, 2019Observed: 20.74 ft at 5:00PM Oct 19, 2019Observed: 20.8 ft at 5:15PM Oct 19, 2019Observed: 20.82 ft at 5:30PM Oct 19, 2019Observed: 20.85 ft at 5:45PM Oct 19, 2019Observed: 20.82 ft at 6:00PM Oct 19, 2019Observed: 20.82 ft at 6:15PM Oct 19, 2019Observed: 20.85 ft at 6:30PM Oct 19, 2019Observed: 20.81 ft at 6:45PM Oct 19, 2019Observed: 20.76 ft at 7:00PM Oct 19, 2019Observed: 20.8 ft at 7:15PM Oct 19, 2019Observed: 20.92 ft at 7:30PM Oct 19, 2019Observed: 20.87 ft at 7:45PM Oct 19, 2019Observed: 20.81 ft at 8:00PM Oct 19, 2019Observed: 20.74 ft at 8:15PM Oct 19, 2019Observed: 20.81 ft at 8:30PM Oct 19, 2019Observed: 20.86 ft at 8:45PM Oct 19, 2019Observed: 20.86 ft at 9:00PM Oct 19, 2019Observed: 20.84 ft at 9:15PM Oct 19, 2019Observed: 20.86 ft at 9:30PM Oct 19, 2019Observed: 20.9 ft at 9:45PM Oct 19, 2019Observed: 20.89 ft at 10:00PM Oct 19, 2019Observed: 20.85 ft at 10:15PM Oct 19, 2019Observed: 20.81 ft at 10:30PM Oct 19, 2019Observed: 20.87 ft at 10:45PM Oct 19, 2019Observed: 20.88 ft at 11:00PM Oct 19, 2019Observed: 20.84 ft at 11:15PM Oct 19, 2019Observed: 20.81 ft at 11:30PM Oct 19, 2019Observed: 20.83 ft at 11:45PM Oct 19, 2019Observed: 20.83 ft at 12:00AM Oct 20, 2019Observed: 20.79 ft at 12:15AM Oct 20, 2019Observed: 20.69 ft at 12:30AM Oct 20, 2019Observed: 20.72 ft at 12:45AM Oct 20, 2019Observed: 20.76 ft at 1:00AM Oct 20, 2019Observed: 20.67 ft at 1:15AM Oct 20, 2019Observed: 20.7 ft at 1:30AM Oct 20, 2019Observed: 20.66 ft at 1:45AM Oct 20, 2019Observed: 20.67 ft at 2:00AM Oct 20, 2019Observed: 20.68 ft at 2:15AM Oct 20, 2019Observed: 20.63 ft at 2:30AM Oct 20, 2019Observed: 20.6 ft at 2:45AM Oct 20, 2019Observed: 20.6 ft at 3:00AM Oct 20, 2019Observed: 20.61 ft at 3:15AM Oct 20, 2019Observed: 20.61 ft at 3:30AM Oct 20, 2019Observed: 20.5 ft at 3:45AM Oct 20, 2019Observed: 20.48 ft at 4:00AM Oct 20, 2019Observed: 20.54 ft at 4:15AM Oct 20, 2019Observed: 20.59 ft at 4:30AM Oct 20, 2019Observed: 20.58 ft at 4:45AM Oct 20, 2019Observed: 20.59 ft at 5:00AM Oct 20, 2019Observed: 20.51 ft at 5:15AM Oct 20, 2019Observed: 20.57 ft at 5:30AM Oct 20, 2019Observed: 20.66 ft at 5:45AM Oct 20, 2019Observed: 20.65 ft at 6:00AM Oct 20, 2019Observed: 20.65 ft at 6:15AM Oct 20, 2019Observed: 20.71 ft at 6:30AM Oct 20, 2019Observed: 20.72 ft at 6:45AM Oct 20, 2019Observed: 20.67 ft at 7:00AM Oct 20, 2019Observed: 20.73 ft at 7:15AM Oct 20, 2019Observed: 20.82 ft at 7:30AM Oct 20, 2019Observed: 20.47 ft at 7:45AM Oct 20, 2019Observed: 20.78 ft at 8:00AM Oct 20, 2019Observed: 20.81 ft at 8:15AM Oct 20, 2019Observed: 20.71 ft at 8:30AM Oct 20, 2019Observed: 20.8 ft at 8:45AM Oct 20, 2019Observed: 20.83 ft at 9:00AM Oct 20, 2019Observed: 20.8 ft at 9:15AM Oct 20, 2019Observed: 20.81 ft at 9:30AM Oct 20, 2019Observed: 20.83 ft at 9:45AM Oct 20, 2019Observed: 20.87 ft at 10:00AM Oct 20, 2019Observed: 20.85 ft at 10:15AM Oct 20, 2019Observed: 20.89 ft at 10:30AM Oct 20, 2019Observed: 20.84 ft at 10:45AM Oct 20, 2019Observed: 20.91 ft at 11:00AM Oct 20, 2019Observed: 20.93 ft at 11:15AM Oct 20, 2019Observed: 20.9 ft at 11:30AM Oct 20, 2019Observed: 20.88 ft at 11:45AM Oct 20, 2019Observed: 20.82 ft at 12:00PM Oct 20, 2019Observed: 20.8 ft at 12:15PM Oct 20, 2019Observed: 20.9 ft at 12:30PM Oct 20, 2019Observed: 20.88 ft at 12:45PM Oct 20, 2019Observed: 20.83 ft at 1:00PM Oct 20, 2019Observed: 20.88 ft at 1:15PM Oct 20, 2019Observed: 20.86 ft at 1:30PM Oct 20, 2019Observed: 20.85 ft at 1:45PM Oct 20, 2019Observed: 20.78 ft at 2:00PM Oct 20, 2019Observed: 20.83 ft at 2:15PM Oct 20, 2019Observed: 20.51 ft at 2:30PM Oct 20, 2019Observed: 20.83 ft at 2:45PM Oct 20, 2019Observed: 20.8 ft at 3:00PM Oct 20, 2019Observed: 20.74 ft at 3:15PM Oct 20, 2019Observed: 20.78 ft at 3:30PM Oct 20, 2019Observed: 20.84 ft at 3:45PM Oct 20, 2019Observed: 20.84 ft at 4:00PM Oct 20, 2019Observed: 20.83 ft at 4:15PM Oct 20, 2019Observed: 20.85 ft at 4:30PM Oct 20, 2019Observed: 20.9 ft at 4:45PM Oct 20, 2019Observed: 20.87 ft at 5:00PM Oct 20, 2019Observed: 20.78 ft at 5:15PM Oct 20, 2019Observed: 20.84 ft at 5:30PM Oct 20, 2019Observed: 20.93 ft at 5:45PM Oct 20, 2019Observed: 20.99 ft at 6:00PM Oct 20, 2019Observed: 20.87 ft at 6:15PM Oct 20, 2019Observed: 20.88 ft at 6:30PM Oct 20, 2019Observed: 20.79 ft at 6:45PM Oct 20, 2019Observed: 20.8 ft at 7:00PM Oct 20, 2019Observed: 20.83 ft at 7:15PM Oct 20, 2019Observed: 20.81 ft at 7:30PM Oct 20, 2019Observed: 20.78 ft at 7:45PM Oct 20, 2019Observed: 20.78 ft at 8:00PM Oct 20, 2019Observed: 20.78 ft at 8:15PM Oct 20, 2019Observed: 20.77 ft at 8:30PM Oct 20, 2019Observed: 20.75 ft at 8:45PM Oct 20, 2019Observed: 20.74 ft at 9:00PM Oct 20, 2019Observed: 20.74 ft at 9:15PM Oct 20, 2019Observed: 20.72 ft at 9:30PM Oct 20, 2019Observed: 20.63 ft at 9:45PM Oct 20, 2019Observed: 20.65 ft at 10:00PM Oct 20, 2019Observed: 20.71 ft at 10:15PM Oct 20, 2019Observed: 20.68 ft at 10:30PM Oct 20, 2019Observed: 20.64 ft at 10:45PM Oct 20, 2019Observed: 20.65 ft at 11:00PM Oct 20, 2019Observed: 20.56 ft at 11:15PM Oct 20, 2019Observed: 20.58 ft at 11:30PM Oct 20, 2019Observed: 20.63 ft at 11:45PM Oct 20, 2019Observed: 20.6 ft at 12:00AM Oct 21, 2019Observed: 20.58 ft at 12:15AM Oct 21, 2019Observed: 20.58 ft at 12:30AM Oct 21, 2019Observed: 20.57 ft at 12:45AM Oct 21, 2019Observed: 20.53 ft at 1:00AM Oct 21, 2019Observed: 20.52 ft at 1:15AM Oct 21, 2019Observed: 20.55 ft at 1:30AM Oct 21, 2019Observed: 20.58 ft at 1:45AM Oct 21, 2019Observed: 20.53 ft at 2:00AM Oct 21, 2019Observed: 20.58 ft at 2:15AM Oct 21, 2019Observed: 20.59 ft at 2:30AM Oct 21, 2019Observed: 20.6 ft at 2:45AM Oct 21, 2019Observed: 20.67 ft at 3:00AM Oct 21, 2019Observed: 20.68 ft at 3:15AM Oct 21, 2019Observed: 20.67 ft at 3:30AM Oct 21, 2019Observed: 20.69 ft at 3:45AM Oct 21, 2019Observed: 20.71 ft at 4:00AM Oct 21, 2019Observed: 20.71 ft at 4:15AM Oct 21, 2019Observed: 20.72 ft at 4:30AM Oct 21, 2019Observed: 20.68 ft at 4:45AM Oct 21, 2019Observed: 20.69 ft at 5:00AM Oct 21, 2019Observed: 20.78 ft at 5:15AM Oct 21, 2019Observed: 20.82 ft at 5:30AM Oct 21, 2019Observed: 20.78 ft at 5:45AM Oct 21, 2019Observed: 20.36 ft at 6:00AM Oct 21, 2019Observed: 20.79 ft at 6:15AM Oct 21, 2019Observed: 20.84 ft at 6:30AM Oct 21, 2019Observed: 20.81 ft at 6:45AM Oct 21, 2019Observed: 20.86 ft at 7:00AM Oct 21, 2019Observed: 20.84 ft at 7:15AM Oct 21, 2019Observed: 20.88 ft at 7:30AM Oct 21, 2019Observed: 20.96 ft at 7:45AM Oct 21, 2019Observed: 20.99 ft at 8:00AM Oct 21, 2019Observed: 20.96 ft at 8:15AM Oct 21, 2019Observed: 20.95 ft at 8:30AM Oct 21, 2019Observed: 20.96 ft at 8:45AM Oct 21, 2019Observed: 20.96 ft at 9:00AM Oct 21, 2019Observed: 20.91 ft at 9:15AM Oct 21, 2019Observed: 20.91 ft at 9:30AM Oct 21, 2019Observed: 20.92 ft at 9:45AM Oct 21, 2019Observed: 20.96 ft at 10:00AM Oct 21, 2019Observed: 20.99 ft at 10:15AM Oct 21, 2019Observed: 20.92 ft at 10:30AM Oct 21, 2019Observed: 20.88 ft at 10:45AM Oct 21, 2019Observed: 21.01 ft at 11:00AM Oct 21, 2019Observed: 20.99 ft at 11:15AM Oct 21, 2019Observed: 20.94 ft at 11:30AM Oct 21, 2019Observed: 20.88 ft at 11:45AM Oct 21, 2019Observed: 20.93 ft at 12:00PM Oct 21, 2019Observed: 20.97 ft at 12:15PM Oct 21, 2019Observed: 20.97 ft at 12:30PM Oct 21, 2019Observed: 20.92 ft at 12:45PM Oct 21, 2019Observed: 20.97 ft at 1:00PM Oct 21, 2019Observed: 21 ft at 1:15PM Oct 21, 2019Observed: 20.91 ft at 1:30PM Oct 21, 2019Observed: 20.95 ft at 1:45PM Oct 21, 2019Observed: 21 ft at 2:00PM Oct 21, 2019Observed: 21.01 ft at 2:15PM Oct 21, 2019Observed: 20.96 ft at 2:30PM Oct 21, 2019Observed: 20.95 ft at 2:45PM Oct 21, 2019Observed: 20.92 ft at 3:00PM Oct 21, 2019Observed: 20.97 ft at 3:15PM Oct 21, 2019Observed: 20.98 ft at 3:30PM Oct 21, 2019Observed: 20.94 ft at 3:45PM Oct 21, 2019Observed: 20.9 ft at 4:00PM Oct 21, 2019Observed: 20.93 ft at 4:15PM Oct 21, 2019Observed: 20.87 ft at 4:30PM Oct 21, 2019Observed: 20.93 ft at 4:45PM Oct 21, 2019Observed: 21 ft at 5:00PM Oct 21, 2019Observed: 20.96 ft at 5:15PM Oct 21, 2019Observed: 20.94 ft at 5:30PM Oct 21, 2019Observed: 20.98 ft at 5:45PM Oct 21, 2019Observed: 20.9 ft at 6:00PM Oct 21, 2019Observed: 20.94 ft at 6:15PM Oct 21, 2019Observed: 20.98 ft at 6:30PM Oct 21, 2019Observed: 21.01 ft at 6:45PM Oct 21, 2019Observed: 20.97 ft at 7:00PM Oct 21, 2019Observed: 20.94 ft at 7:15PM Oct 21, 2019Observed: 20.91 ft at 7:30PM Oct 21, 2019Observed: 20.96 ft at 7:45PM Oct 21, 2019Observed: 20.96 ft at 8:00PM Oct 21, 2019Observed: 20.98 ft at 8:15PM Oct 21, 2019Observed: 20.94 ft at 8:30PM Oct 21, 2019Observed: 20.91 ft at 8:45PM Oct 21, 2019Observed: 20.94 ft at 9:00PM Oct 21, 2019Observed: 20.98 ft at 9:15PM Oct 21, 2019Observed: 20.96 ft at 9:30PM Oct 21, 2019Observed: 20.91 ft at 9:45PM Oct 21, 2019Observed: 20.9 ft at 10:00PM Oct 21, 2019Observed: 20.96 ft at 10:15PM Oct 21, 2019Observed: 20.97 ft at 10:30PM Oct 21, 2019Observed: 20.97 ft at 10:45PM Oct 21, 2019Observed: 20.93 ft at 11:00PM Oct 21, 2019Observed: 20.95 ft at 11:15PM Oct 21, 2019Observed: 20.97 ft at 11:30PM Oct 21, 2019Observed: 20.97 ft at 11:45PM Oct 21, 2019Observed: 20.99 ft at 12:00AM Oct 22, 2019Observed: 20.95 ft at 12:15AM Oct 22, 2019Observed: 20.93 ft at 12:30AM Oct 22, 2019Observed: 20.92 ft at 12:45AM Oct 22, 2019Observed: 20.91 ft at 1:00AM Oct 22, 2019Observed: 20.89 ft at 1:15AM Oct 22, 2019Observed: 20.88 ft at 1:30AM Oct 22, 2019Observed: 20.82 ft at 1:45AM Oct 22, 2019Observed: 20.76 ft at 2:00AM Oct 22, 2019Observed: 20.81 ft at 2:15AM Oct 22, 2019Observed: 20.8 ft at 2:30AM Oct 22, 2019Observed: 20.74 ft at 2:45AM Oct 22, 2019Observed: 20.73 ft at 3:00AM Oct 22, 2019Observed: 20.63 ft at 3:15AM Oct 22, 2019Observed: 20.69 ft at 3:30AM Oct 22, 2019Observed: 20.69 ft at 3:45AM Oct 22, 2019Observed: 20.75 ft at 4:00AM Oct 22, 2019Observed: 20.74 ft at 4:15AM Oct 22, 2019Observed: 20.74 ft at 4:30AM Oct 22, 2019Observed: 20.77 ft at 4:45AM Oct 22, 2019Observed: 20.72 ft at 5:00AM Oct 22, 2019Observed: 20.67 ft at 5:15AM Oct 22, 2019Observed: 20.67 ft at 5:30AM Oct 22, 2019Observed: 20.76 ft at 5:45AM Oct 22, 2019Observed: 20.75 ft at 6:00AM Oct 22, 2019Observed: 20.67 ft at 6:15AM Oct 22, 2019Observed: 20.63 ft at 6:30AM Oct 22, 2019Observed: 20.61 ft at 6:45AM Oct 22, 2019Observed: 20.65 ft at 7:00AM Oct 22, 2019Observed: 20.69 ft at 7:15AM Oct 22, 2019Observed: 20.68 ft at 7:30AM Oct 22, 2019Observed: 20.68 ft at 7:45AM Oct 22, 2019Observed: 20.73 ft at 8:00AM Oct 22, 2019Observed: 20.71 ft at 8:15AM Oct 22, 2019Observed: 20.63 ft at 8:30AM Oct 22, 2019Observed: 20.72 ft at 8:45AM Oct 22, 2019Observed: 20.77 ft at 9:00AM Oct 22, 2019Observed: 20.76 ft at 9:15AM Oct 22, 2019Observed: 20.76 ft at 9:30AM Oct 22, 2019Observed: 20.8 ft at 9:45AM Oct 22, 2019Observed: 20.72 ft at 10:00AM Oct 22, 2019Observed: 20.69 ft at 10:15AM Oct 22, 2019Observed: 20.71 ft at 10:30AM Oct 22, 2019Observed: 20.74 ft at 10:45AM Oct 22, 2019Observed: 20.74 ft at 11:00AM Oct 22, 2019Observed: 20.77 ft at 11:15AM Oct 22, 2019Observed: 20.77 ft at 11:30AM Oct 22, 2019Observed: 20.77 ft at 11:45AM Oct 22, 2019Observed: 20.78 ft at 12:00PM Oct 22, 2019Observed: 20.76 ft at 12:15PM Oct 22, 2019Observed: 20.73 ft at 12:30PM Oct 22, 2019Observed: 20.76 ft at 12:45PM Oct 22, 2019Observed: 20.83 ft at 1:00PM Oct 22, 2019Observed: 20.83 ft at 1:15PM Oct 22, 2019Observed: 20.77 ft at 1:30PM Oct 22, 2019Observed: 20.77 ft at 1:45PM Oct 22, 2019Observed: 20.75 ft at 2:00PM Oct 22, 2019Observed: 20.79 ft at 2:15PM Oct 22, 2019Observed: 20.85 ft at 2:30PM Oct 22, 2019Observed: 20.86 ft at 2:45PM Oct 22, 2019Observed: 20.88 ft at 3:00PM Oct 22, 2019Observed: 20.89 ft at 3:15PM Oct 22, 2019Observed: 20.92 ft at 3:30PM Oct 22, 2019Observed: 20.9 ft at 3:45PM Oct 22, 2019Observed: 20.81 ft at 4:00PM Oct 22, 2019Observed: 20.84 ft at 4:15PM Oct 22, 2019Observed: 20.94 ft at 4:30PM Oct 22, 2019Observed: 20.93 ft at 4:45PM Oct 22, 2019Observed: 20.9 ft at 5:00PM Oct 22, 2019Observed: 20.88 ft at 5:15PM Oct 22, 2019Observed: 20.85 ft at 5:30PM Oct 22, 2019Observed: 20.87 ft at 5:45PM Oct 22, 2019Observed: 20.92 ft at 6:00PM Oct 22, 2019Observed: 20.89 ft at 6:15PM Oct 22, 2019Observed: 20.88 ft at 6:30PM Oct 22, 2019Observed: 20.85 ft at 6:45PM Oct 22, 2019Observed: 20.83 ft at 7:00PM Oct 22, 2019Observed: 20.95 ft at 7:15PM Oct 22, 2019Observed: 20.9 ft at 7:30PM Oct 22, 2019Observed: 20.87 ft at 7:45PM Oct 22, 2019Observed: 20.82 ft at 8:00PM Oct 22, 2019Observed: 20.83 ft at 8:15PM Oct 22, 2019Observed: 20.75 ft at 8:30PM Oct 22, 2019Observed: 20.85 ft at 8:45PM Oct 22, 2019Observed: 20.86 ft at 9:00PM Oct 22, 2019Observed: 20.83 ft at 9:15PM Oct 22, 2019Observed: 20.81 ft at 9:30PM Oct 22, 2019Observed: 20.85 ft at 9:45PM Oct 22, 2019Observed: 20.77 ft at 10:00PM Oct 22, 2019Observed: 20.77 ft at 10:15PM Oct 22, 2019Observed: 20.85 ft at 10:30PM Oct 22, 2019Observed: 20.87 ft at 10:45PM Oct 22, 2019Observed: 20.88 ft at 11:00PM Oct 22, 2019Observed: 20.87 ft at 11:15PM Oct 22, 2019Observed: 20.85 ft at 11:30PM Oct 22, 2019Observed: 20.83 ft at 11:45PM Oct 22, 2019Observed: 20.86 ft at 12:00AM Oct 23, 2019Observed: 20.92 ft at 12:15AM Oct 23, 2019Observed: 20.9 ft at 12:30AM Oct 23, 2019Observed: 20.92 ft at 12:45AM Oct 23, 2019Observed: 20.82 ft at 1:00AM Oct 23, 2019Observed: 20.9 ft at 1:15AM Oct 23, 2019Observed: 20.98 ft at 1:30AM Oct 23, 2019Observed: 20.95 ft at 1:45AM Oct 23, 2019Observed: 20.91 ft at 2:00AM Oct 23, 2019Observed: 20.95 ft at 2:15AM Oct 23, 2019Observed: 20.86 ft at 2:30AM Oct 23, 2019Observed: 21 ft at 2:45AM Oct 23, 2019Observed: 20.93 ft at 3:00AM Oct 23, 2019Observed: 20.95 ft at 3:15AM Oct 23, 2019Observed: 21.03 ft at 3:30AM Oct 23, 2019Observed: 21.05 ft at 3:45AM Oct 23, 2019Observed: 21 ft at 4:00AM Oct 23, 2019Observed: 21.02 ft at 4:15AM Oct 23, 2019Observed: 20.94 ft at 4:30AM Oct 23, 2019Observed: 20.98 ft at 4:45AM Oct 23, 2019Observed: 21.04 ft at 5:00AM Oct 23, 2019Observed: 20.96 ft at 5:15AM Oct 23, 2019Observed: 20.91 ft at 5:30AM Oct 23, 2019Observed: 20.89 ft at 5:45AM Oct 23, 2019Observed: 21.06 ft at 6:00AM Oct 23, 2019Observed: 21.05 ft at 6:15AM Oct 23, 2019Observed: 21 ft at 6:30AM Oct 23, 2019Observed: 20.99 ft at 6:45AM Oct 23, 2019Observed: 20.95 ft at 7:00AM Oct 23, 2019Observed: 20.93 ft at 7:15AM Oct 23, 2019Observed: 20.97 ft at 7:30AM Oct 23, 2019Observed: 20.99 ft at 7:45AM Oct 23, 2019USGS--Water Resources of the United StatesSNAI2(plotting HGIRG) Graph Created (8:39AM Oct 23, 2019)ObservedLatest observed value: 20.99 ft at 7:45 AM CDT 23-Oct-2019.
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Illinois River at Seneca. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 26
Low Stage (in feet): -9999

Historic Crests
(1) 32.16 ft on 05/02/2019
(2) 30.78 ft on 02/21/2018
(3) 27.36 ft on 05/02/2017

(P): Preliminary values subject to further review.

Recent Crests
(1) 32.16 ft on 05/02/2019
(2) 30.78 ft on 02/21/2018
(3) 27.36 ft on 05/02/2017

(P): Preliminary values subject to further review.

Low Water Records
(1) 18.99 ft on 12/02/2018
Zoom Level:16
KML Image
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
36 Backwater causes Rat Run to threatened Main Street in Seneca.
35.5 A few residences threatened near River Road and IL-170 in Seneca.
35 River Road is threatened near IL-170 in Seneca.
33.5 Industrial structures are threatened along the river west of Seneca.
33 Backwater causes Rat Run to threatened a few structures near Main Street in Seneca.
32 IL-36 (Dupont Road) is threatened along the river near Seneca.
31.5 Old Stage Road is threatened just east of Seneca.
31 Backwater causes Rat Run to overtop its banks near Main Street in Seneca.
28 Old Stage Road is threatened near the Illinois and Michigan Canal between Seneca and Morris. Agricultral land is inundated north of the river near Seneca.
27 Roadways at numerous marinas threatened along the river near Seneca.
25 Water overtops low-lying banks in Seneca.
About This Location Collapse

Latitude: 41.299722° N, Longitude: 88.614167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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:

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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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 1-Mar-2019 12:34 AM
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