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Hydrograph River at a Glance Download
Illinois River at Seneca Stage (ft)Flow (kcfs)Highest Observation: 6 ft at 11:15AM Apr 14, 2021Observed: 5.98 ft at 11:30AM Apr 14, 2021Observed: 5.99 ft at 11:45AM Apr 14, 2021Observed: 5.99 ft at 12:00PM Apr 14, 2021Observed: 5.97 ft at 12:15PM Apr 14, 2021Observed: 5.98 ft at 12:30PM Apr 14, 2021Observed: 5.99 ft at 12:45PM Apr 14, 2021Observed: 5.98 ft at 1:00PM Apr 14, 2021Observed: 5.97 ft at 1:15PM Apr 14, 2021Observed: 5.97 ft at 1:30PM Apr 14, 2021Observed: 5.97 ft at 1:45PM Apr 14, 2021Observed: 5.96 ft at 2:00PM Apr 14, 2021Observed: 5.97 ft at 2:15PM Apr 14, 2021Observed: 5.95 ft at 2:30PM Apr 14, 2021Observed: 5.97 ft at 2:45PM Apr 14, 2021Observed: 5.96 ft at 3:00PM Apr 14, 2021Observed: 5.94 ft at 3:15PM Apr 14, 2021Observed: 5.94 ft at 3:30PM Apr 14, 2021Observed: 5.94 ft at 3:45PM Apr 14, 2021Observed: 5.95 ft at 4:00PM Apr 14, 2021Observed: 5.93 ft at 4:15PM Apr 14, 2021Observed: 5.94 ft at 4:30PM Apr 14, 2021Observed: 5.94 ft at 4:45PM Apr 14, 2021Observed: 5.93 ft at 5:00PM Apr 14, 2021Observed: 5.93 ft at 5:15PM Apr 14, 2021Observed: 5.93 ft at 5:30PM Apr 14, 2021Observed: 5.93 ft at 5:45PM Apr 14, 2021Observed: 5.92 ft at 6:00PM Apr 14, 2021Observed: 5.92 ft at 6:15PM Apr 14, 2021Observed: 5.92 ft at 6:30PM Apr 14, 2021Observed: 5.92 ft at 6:45PM Apr 14, 2021Observed: 5.91 ft at 7:00PM Apr 14, 2021Observed: 5.91 ft at 7:15PM Apr 14, 2021Observed: 5.91 ft at 7:30PM Apr 14, 2021Observed: 5.91 ft at 7:45PM Apr 14, 2021Observed: 5.91 ft at 8:00PM Apr 14, 2021Observed: 5.91 ft at 8:15PM Apr 14, 2021Observed: 5.91 ft at 8:30PM Apr 14, 2021Observed: 5.91 ft at 8:45PM Apr 14, 2021Observed: 5.9 ft at 9:00PM Apr 14, 2021Observed: 5.9 ft at 9:15PM Apr 14, 2021Observed: 5.9 ft at 9:30PM Apr 14, 2021Observed: 5.9 ft at 9:45PM Apr 14, 2021Observed: 5.89 ft at 10:00PM Apr 14, 2021Observed: 5.89 ft at 10:15PM Apr 14, 2021Observed: 5.89 ft at 10:30PM Apr 14, 2021Observed: 5.89 ft at 10:45PM Apr 14, 2021Observed: 5.89 ft at 11:00PM Apr 14, 2021Observed: 5.89 ft at 11:15PM Apr 14, 2021Observed: 5.89 ft at 11:30PM Apr 14, 2021Observed: 5.89 ft at 11:45PM Apr 14, 2021Observed: 5.88 ft at 12:00AM Apr 15, 2021Observed: 5.88 ft at 12:15AM Apr 15, 2021Observed: 5.88 ft at 12:30AM Apr 15, 2021Observed: 5.87 ft at 12:45AM Apr 15, 2021Observed: 5.87 ft at 1:00AM Apr 15, 2021Observed: 5.87 ft at 1:15AM Apr 15, 2021Observed: 5.87 ft at 1:30AM Apr 15, 2021Observed: 5.88 ft at 1:45AM Apr 15, 2021Observed: 5.87 ft at 2:00AM Apr 15, 2021Observed: 5.88 ft at 2:15AM Apr 15, 2021Observed: 5.87 ft at 2:30AM Apr 15, 2021Observed: 5.87 ft at 2:45AM Apr 15, 2021Observed: 5.87 ft at 3:00AM Apr 15, 2021Observed: 5.87 ft at 3:15AM Apr 15, 2021Observed: 5.86 ft at 3:30AM Apr 15, 2021Observed: 5.86 ft at 3:45AM Apr 15, 2021Observed: 5.86 ft at 4:00AM Apr 15, 2021Observed: 5.86 ft at 4:15AM Apr 15, 2021Observed: 5.86 ft at 4:30AM Apr 15, 2021Observed: 5.86 ft at 4:45AM Apr 15, 2021Observed: 5.86 ft at 5:00AM Apr 15, 2021Observed: 5.86 ft at 5:15AM Apr 15, 2021Observed: 5.86 ft at 5:30AM Apr 15, 2021Observed: 5.84 ft at 5:45AM Apr 15, 2021Observed: 5.85 ft at 6:00AM Apr 15, 2021Observed: 5.85 ft at 6:15AM Apr 15, 2021Observed: 5.84 ft at 6:30AM Apr 15, 2021Observed: 5.84 ft at 6:45AM Apr 15, 2021Observed: 5.84 ft at 7:00AM Apr 15, 2021Observed: 5.84 ft at 7:15AM Apr 15, 2021Observed: 5.83 ft at 7:30AM Apr 15, 2021Observed: 5.84 ft at 7:45AM Apr 15, 2021Observed: 5.84 ft at 8:00AM Apr 15, 2021Observed: 5.84 ft at 8:15AM Apr 15, 2021Observed: 5.84 ft at 8:30AM Apr 15, 2021Observed: 5.84 ft at 8:45AM Apr 15, 2021Observed: 5.84 ft at 9:00AM Apr 15, 2021Observed: 5.83 ft at 9:15AM Apr 15, 2021Observed: 5.83 ft at 9:30AM Apr 15, 2021Observed: 5.83 ft at 9:45AM Apr 15, 2021Observed: 5.83 ft at 10:00AM Apr 15, 2021Observed: 5.83 ft at 10:15AM Apr 15, 2021Observed: 5.83 ft at 10:30AM Apr 15, 2021Observed: 5.83 ft at 10:45AM Apr 15, 2021Observed: 5.83 ft at 11:00AM Apr 15, 2021Observed: 5.83 ft at 11:15AM Apr 15, 2021Observed: 5.83 ft at 11:30AM Apr 15, 2021Observed: 5.82 ft at 11:45AM Apr 15, 2021Observed: 5.82 ft at 12:00PM Apr 15, 2021Observed: 5.82 ft at 12:15PM Apr 15, 2021Observed: 5.82 ft at 12:30PM Apr 15, 2021Observed: 5.82 ft at 12:45PM Apr 15, 2021Observed: 5.82 ft at 1:00PM Apr 15, 2021Observed: 5.82 ft at 1:15PM Apr 15, 2021Observed: 5.82 ft at 1:30PM Apr 15, 2021Observed: 5.81 ft at 1:45PM Apr 15, 2021Observed: 5.81 ft at 2:00PM Apr 15, 2021Observed: 5.81 ft at 2:15PM Apr 15, 2021Observed: 5.81 ft at 2:30PM Apr 15, 2021Observed: 5.8 ft at 2:45PM Apr 15, 2021Observed: 5.8 ft at 3:00PM Apr 15, 2021Observed: 5.8 ft at 3:15PM Apr 15, 2021Observed: 5.8 ft at 3:30PM Apr 15, 2021Observed: 5.8 ft at 3:45PM Apr 15, 2021Observed: 5.79 ft at 4:00PM Apr 15, 2021Observed: 5.8 ft at 4:15PM Apr 15, 2021Observed: 5.79 ft at 4:30PM Apr 15, 2021Observed: 5.79 ft at 4:45PM Apr 15, 2021Observed: 5.78 ft at 5:00PM Apr 15, 2021Observed: 5.78 ft at 5:15PM Apr 15, 2021Observed: 5.78 ft at 5:30PM Apr 15, 2021Observed: 5.78 ft at 5:45PM Apr 15, 2021Observed: 5.78 ft at 6:00PM Apr 15, 2021Observed: 5.78 ft at 6:15PM Apr 15, 2021Observed: 5.77 ft at 6:30PM Apr 15, 2021Observed: 5.77 ft at 6:45PM Apr 15, 2021Observed: 5.77 ft at 7:00PM Apr 15, 2021Observed: 5.77 ft at 7:15PM Apr 15, 2021Observed: 5.77 ft at 7:30PM Apr 15, 2021Observed: 5.77 ft at 7:45PM Apr 15, 2021Observed: 5.76 ft at 8:00PM Apr 15, 2021Observed: 5.77 ft at 8:15PM Apr 15, 2021Observed: 5.76 ft at 8:30PM Apr 15, 2021Observed: 5.76 ft at 8:45PM Apr 15, 2021Observed: 5.76 ft at 9:00PM Apr 15, 2021Observed: 5.76 ft at 9:15PM Apr 15, 2021Observed: 5.76 ft at 9:30PM Apr 15, 2021Observed: 5.75 ft at 9:45PM Apr 15, 2021Observed: 5.75 ft at 10:00PM Apr 15, 2021Observed: 5.75 ft at 10:15PM Apr 15, 2021Observed: 5.75 ft at 10:30PM Apr 15, 2021Observed: 5.75 ft at 10:45PM Apr 15, 2021Observed: 5.75 ft at 11:00PM Apr 15, 2021Observed: 5.75 ft at 11:15PM Apr 15, 2021Observed: 5.75 ft at 11:30PM Apr 15, 2021Observed: 5.74 ft at 11:45PM Apr 15, 2021Observed: 5.74 ft at 12:00AM Apr 16, 2021Observed: 5.74 ft at 12:15AM Apr 16, 2021Observed: 5.74 ft at 12:30AM Apr 16, 2021Observed: 5.74 ft at 12:45AM Apr 16, 2021Observed: 5.75 ft at 1:00AM Apr 16, 2021Observed: 5.74 ft at 1:15AM Apr 16, 2021Observed: 5.74 ft at 1:30AM Apr 16, 2021Observed: 5.74 ft at 1:45AM Apr 16, 2021Observed: 5.73 ft at 2:00AM Apr 16, 2021Observed: 5.74 ft at 2:15AM Apr 16, 2021Observed: 5.74 ft at 2:30AM Apr 16, 2021Observed: 5.73 ft at 2:45AM Apr 16, 2021Observed: 5.73 ft at 3:00AM Apr 16, 2021Observed: 5.73 ft at 3:15AM Apr 16, 2021Observed: 5.73 ft at 3:30AM Apr 16, 2021Observed: 5.73 ft at 3:45AM Apr 16, 2021Observed: 5.73 ft at 4:00AM Apr 16, 2021Observed: 5.73 ft at 4:15AM Apr 16, 2021Observed: 5.73 ft at 4:30AM Apr 16, 2021Observed: 5.73 ft at 4:45AM Apr 16, 2021Observed: 5.73 ft at 5:00AM Apr 16, 2021Observed: 5.73 ft at 5:15AM Apr 16, 2021Observed: 5.73 ft at 5:30AM Apr 16, 2021Observed: 5.73 ft at 5:45AM Apr 16, 2021Observed: 5.73 ft at 6:00AM Apr 16, 2021Observed: 5.73 ft at 6:15AM Apr 16, 2021Observed: 5.73 ft at 6:30AM Apr 16, 2021Observed: 5.73 ft at 6:45AM Apr 16, 2021Observed: 5.73 ft at 7:00AM Apr 16, 2021Observed: 5.73 ft at 7:15AM Apr 16, 2021Observed: 5.73 ft at 7:30AM Apr 16, 2021Observed: 5.73 ft at 7:45AM Apr 16, 2021Observed: 5.73 ft at 8:00AM Apr 16, 2021Observed: 5.73 ft at 8:15AM Apr 16, 2021Observed: 5.73 ft at 8:30AM Apr 16, 2021Observed: 5.73 ft at 8:45AM Apr 16, 2021Observed: 5.73 ft at 12:00PM Apr 16, 2021Observed: 5.73 ft at 12:15PM Apr 16, 2021Observed: 5.73 ft at 12:30PM Apr 16, 2021Observed: 5.73 ft at 12:45PM Apr 16, 2021Observed: 5.73 ft at 1:00PM Apr 16, 2021Observed: 5.73 ft at 1:15PM Apr 16, 2021Observed: 5.72 ft at 1:30PM Apr 16, 2021Observed: 5.72 ft at 1:45PM Apr 16, 2021Observed: 5.72 ft at 2:00PM Apr 16, 2021Observed: 5.72 ft at 2:15PM Apr 16, 2021Observed: 5.72 ft at 2:30PM Apr 16, 2021Observed: 5.72 ft at 2:45PM Apr 16, 2021Observed: 5.72 ft at 3:00PM Apr 16, 2021Observed: 5.72 ft at 3:15PM Apr 16, 2021Observed: 5.72 ft at 3:30PM Apr 16, 2021Observed: 5.72 ft at 3:45PM Apr 16, 2021Observed: 5.72 ft at 4:00PM Apr 16, 2021Observed: 5.71 ft at 4:15PM Apr 16, 2021Observed: 5.71 ft at 4:30PM Apr 16, 2021Observed: 5.72 ft at 4:45PM Apr 16, 2021Observed: 5.7 ft at 5:00PM Apr 16, 2021Observed: 5.71 ft at 5:15PM Apr 16, 2021Observed: 5.7 ft at 5:30PM Apr 16, 2021Observed: 5.71 ft at 5:45PM Apr 16, 2021Observed: 5.7 ft at 6:00PM Apr 16, 2021Observed: 5.7 ft at 6:15PM Apr 16, 2021Observed: 5.7 ft at 6:30PM Apr 16, 2021Observed: 5.7 ft at 6:45PM Apr 16, 2021Observed: 5.7 ft at 7:00PM Apr 16, 2021Observed: 5.7 ft at 7:15PM Apr 16, 2021Observed: 5.7 ft at 7:30PM Apr 16, 2021Observed: 5.7 ft at 7:45PM Apr 16, 2021Observed: 5.69 ft at 8:00PM Apr 16, 2021Observed: 5.69 ft at 8:15PM Apr 16, 2021Observed: 5.69 ft at 8:30PM Apr 16, 2021Observed: 5.69 ft at 8:45PM Apr 16, 2021Observed: 5.69 ft at 9:00PM Apr 16, 2021Observed: 5.69 ft at 9:15PM Apr 16, 2021Observed: 5.69 ft at 9:30PM Apr 16, 2021Observed: 5.68 ft at 9:45PM Apr 16, 2021Observed: 5.69 ft at 10:00PM Apr 16, 2021Observed: 5.69 ft at 10:15PM Apr 16, 2021Observed: 5.68 ft at 10:30PM Apr 16, 2021Observed: 5.68 ft at 10:45PM Apr 16, 2021Observed: 5.68 ft at 11:00PM Apr 16, 2021Observed: 5.68 ft at 11:15PM Apr 16, 2021Observed: 5.68 ft at 11:30PM Apr 16, 2021Observed: 5.67 ft at 11:45PM Apr 16, 2021Observed: 5.67 ft at 12:00AM Apr 17, 2021Observed: 5.67 ft at 12:15AM Apr 17, 2021Observed: 5.67 ft at 12:30AM Apr 17, 2021Observed: 5.67 ft at 12:45AM Apr 17, 2021Observed: 5.67 ft at 1:00AM Apr 17, 2021Observed: 5.67 ft at 1:15AM Apr 17, 2021Observed: 5.67 ft at 1:30AM Apr 17, 2021Observed: 5.67 ft at 1:45AM Apr 17, 2021Observed: 5.67 ft at 2:00AM Apr 17, 2021Observed: 5.67 ft at 2:15AM Apr 17, 2021Observed: 5.67 ft at 2:30AM Apr 17, 2021Observed: 5.67 ft at 2:45AM Apr 17, 2021Observed: 5.67 ft at 3:00AM Apr 17, 2021Observed: 5.67 ft at 3:15AM Apr 17, 2021Observed: 5.67 ft at 3:30AM Apr 17, 2021Observed: 5.66 ft at 3:45AM Apr 17, 2021Observed: 5.67 ft at 4:00AM Apr 17, 2021Observed: 5.66 ft at 4:15AM Apr 17, 2021Observed: 5.66 ft at 4:30AM Apr 17, 2021Observed: 5.66 ft at 4:45AM Apr 17, 2021Observed: 5.66 ft at 5:00AM Apr 17, 2021Observed: 5.66 ft at 5:15AM Apr 17, 2021Observed: 5.65 ft at 5:30AM Apr 17, 2021Observed: 5.65 ft at 5:45AM Apr 17, 2021Observed: 5.65 ft at 6:00AM Apr 17, 2021Observed: 5.65 ft at 6:15AM Apr 17, 2021Observed: 5.66 ft at 6:30AM Apr 17, 2021Observed: 5.65 ft at 6:45AM Apr 17, 2021Observed: 5.65 ft at 7:00AM Apr 17, 2021Observed: 5.65 ft at 7:15AM Apr 17, 2021Observed: 5.65 ft at 7:30AM Apr 17, 2021Observed: 5.65 ft at 7:45AM Apr 17, 2021Observed: 5.64 ft at 8:00AM Apr 17, 2021Observed: 5.64 ft at 8:15AM Apr 17, 2021Observed: 5.64 ft at 8:30AM Apr 17, 2021Observed: 5.64 ft at 8:45AM Apr 17, 2021Observed: 5.64 ft at 9:00AM Apr 17, 2021Observed: 5.64 ft at 9:15AM Apr 17, 2021Observed: 5.64 ft at 9:30AM Apr 17, 2021Observed: 5.64 ft at 9:45AM Apr 17, 2021Observed: 5.63 ft at 10:00AM Apr 17, 2021Observed: 5.63 ft at 10:15AM Apr 17, 2021Observed: 5.63 ft at 10:30AM Apr 17, 2021Observed: 5.63 ft at 10:45AM Apr 17, 2021Observed: 5.63 ft at 11:00AM Apr 17, 2021Observed: 5.63 ft at 11:15AM Apr 17, 2021Observed: 5.63 ft at 11:30AM Apr 17, 2021Observed: 5.62 ft at 11:45AM Apr 17, 2021Observed: 5.62 ft at 12:00PM Apr 17, 2021Observed: 5.62 ft at 12:15PM Apr 17, 2021Observed: 5.62 ft at 12:30PM Apr 17, 2021Observed: 5.62 ft at 12:45PM Apr 17, 2021Observed: 5.62 ft at 1:00PM Apr 17, 2021Observed: 5.62 ft at 1:15PM Apr 17, 2021Observed: 5.61 ft at 1:30PM Apr 17, 2021Observed: 5.61 ft at 1:45PM Apr 17, 2021Observed: 5.61 ft at 2:00PM Apr 17, 2021Observed: 5.61 ft at 2:15PM Apr 17, 2021Observed: 5.6 ft at 2:30PM Apr 17, 2021Observed: 5.6 ft at 2:45PM Apr 17, 2021Observed: 5.6 ft at 3:00PM Apr 17, 2021Observed: 5.6 ft at 3:15PM Apr 17, 2021Observed: 5.6 ft at 3:30PM Apr 17, 2021Observed: 5.6 ft at 3:45PM Apr 17, 2021Observed: 5.6 ft at 4:00PM Apr 17, 2021Observed: 5.59 ft at 4:15PM Apr 17, 2021Observed: 5.58 ft at 4:30PM Apr 17, 2021Observed: 5.59 ft at 4:45PM Apr 17, 2021Observed: 5.59 ft at 5:00PM Apr 17, 2021Observed: 5.57 ft at 5:15PM Apr 17, 2021Observed: 5.58 ft at 5:30PM Apr 17, 2021Observed: 5.58 ft at 5:45PM Apr 17, 2021Observed: 5.58 ft at 6:00PM Apr 17, 2021Observed: 5.58 ft at 6:15PM Apr 17, 2021Observed: 5.58 ft at 6:30PM Apr 17, 2021Observed: 5.58 ft at 6:45PM Apr 17, 2021Observed: 5.57 ft at 7:00PM Apr 17, 2021Observed: 5.58 ft at 7:15PM Apr 17, 2021Observed: 5.57 ft at 7:30PM Apr 17, 2021Observed: 5.57 ft at 7:45PM Apr 17, 2021Observed: 5.57 ft at 8:00PM Apr 17, 2021Observed: 5.56 ft at 8:15PM Apr 17, 2021Observed: 5.56 ft at 8:30PM Apr 17, 2021Observed: 5.56 ft at 8:45PM Apr 17, 2021Observed: 5.56 ft at 9:00PM Apr 17, 2021Observed: 5.56 ft at 9:15PM Apr 17, 2021Observed: 5.56 ft at 9:30PM Apr 17, 2021Observed: 5.56 ft at 9:45PM Apr 17, 2021Observed: 5.56 ft at 10:00PM Apr 17, 2021Observed: 5.56 ft at 10:15PM Apr 17, 2021Observed: 5.56 ft at 10:30PM Apr 17, 2021Observed: 5.56 ft at 10:45PM Apr 17, 2021Observed: 5.55 ft at 11:00PM Apr 17, 2021Observed: 5.55 ft at 11:15PM Apr 17, 2021Observed: 5.55 ft at 11:30PM Apr 17, 2021Observed: 5.55 ft at 11:45PM Apr 17, 2021Observed: 5.55 ft at 12:00AM Apr 18, 2021Observed: 5.55 ft at 12:15AM Apr 18, 2021Observed: 5.55 ft at 12:30AM Apr 18, 2021Observed: 5.55 ft at 12:45AM Apr 18, 2021Observed: 5.55 ft at 1:00AM Apr 18, 2021Observed: 5.55 ft at 1:15AM Apr 18, 2021Observed: 5.55 ft at 1:30AM Apr 18, 2021Observed: 5.55 ft at 1:45AM Apr 18, 2021Observed: 5.55 ft at 2:00AM Apr 18, 2021Observed: 5.54 ft at 2:15AM Apr 18, 2021Observed: 5.55 ft at 2:30AM Apr 18, 2021Observed: 5.54 ft at 2:45AM Apr 18, 2021Observed: 5.55 ft at 3:00AM Apr 18, 2021Observed: 5.55 ft at 3:15AM Apr 18, 2021Observed: 5.55 ft at 3:30AM Apr 18, 2021Observed: 5.55 ft at 3:45AM Apr 18, 2021Observed: 5.55 ft at 4:00AM Apr 18, 2021Observed: 5.55 ft at 4:15AM Apr 18, 2021Observed: 5.55 ft at 4:30AM Apr 18, 2021Observed: 5.55 ft at 4:45AM Apr 18, 2021Observed: 5.55 ft at 5:00AM Apr 18, 2021Observed: 5.55 ft at 5:15AM Apr 18, 2021Observed: 5.55 ft at 5:30AM Apr 18, 2021Observed: 5.54 ft at 5:45AM Apr 18, 2021Observed: 5.55 ft at 6:00AM Apr 18, 2021Observed: 5.55 ft at 6:15AM Apr 18, 2021Observed: 5.55 ft at 6:30AM Apr 18, 2021Observed: 5.55 ft at 6:45AM Apr 18, 2021Observed: 5.55 ft at 7:00AM Apr 18, 2021Observed: 5.55 ft at 7:15AM Apr 18, 2021Observed: 5.55 ft at 7:30AM Apr 18, 2021Observed: 5.55 ft at 7:45AM Apr 18, 2021Observed: 5.54 ft at 8:00AM Apr 18, 2021Observed: 5.54 ft at 8:15AM Apr 18, 2021Observed: 5.55 ft at 8:30AM Apr 18, 2021Observed: 5.55 ft at 8:45AM Apr 18, 2021Observed: 5.55 ft at 9:00AM Apr 18, 2021Observed: 5.55 ft at 9:15AM Apr 18, 2021Observed: 5.55 ft at 9:30AM Apr 18, 2021Observed: 5.55 ft at 9:45AM Apr 18, 2021Observed: 5.55 ft at 10:00AM Apr 18, 2021Observed: 5.55 ft at 10:15AM Apr 18, 2021Observed: 5.55 ft at 10:30AM Apr 18, 2021Observed: 5.55 ft at 10:45AM Apr 18, 2021Observed: 5.54 ft at 11:00AM Apr 18, 2021Observed: 5.55 ft at 11:15AM Apr 18, 2021Observed: 5.55 ft at 11:30AM Apr 18, 2021Observed: 5.55 ft at 11:45AM Apr 18, 2021Observed: 5.55 ft at 12:00PM Apr 18, 2021Observed: 5.55 ft at 12:15PM Apr 18, 2021Observed: 5.55 ft at 12:30PM Apr 18, 2021Observed: 5.55 ft at 12:45PM Apr 18, 2021Observed: 5.55 ft at 1:00PM Apr 18, 2021Observed: 5.55 ft at 1:15PM Apr 18, 2021Observed: 5.55 ft at 1:30PM Apr 18, 2021Observed: 5.55 ft at 1:45PM Apr 18, 2021Observed: 5.55 ft at 2:00PM Apr 18, 2021Observed: 5.55 ft at 2:15PM Apr 18, 2021Observed: 5.55 ft at 2:30PM Apr 18, 2021Observed: 5.55 ft at 2:45PM Apr 18, 2021Observed: 5.55 ft at 3:00PM Apr 18, 2021Observed: 5.55 ft at 3:15PM Apr 18, 2021Observed: 5.53 ft at 3:30PM Apr 18, 2021Observed: 5.55 ft at 3:45PM Apr 18, 2021Observed: 5.55 ft at 4:00PM Apr 18, 2021Observed: 5.55 ft at 4:15PM Apr 18, 2021Observed: 5.55 ft at 4:30PM Apr 18, 2021Observed: 5.56 ft at 4:45PM Apr 18, 2021Observed: 5.56 ft at 5:00PM Apr 18, 2021Observed: 5.56 ft at 5:15PM Apr 18, 2021Observed: 5.55 ft at 5:30PM Apr 18, 2021Observed: 5.56 ft at 5:45PM Apr 18, 2021Observed: 5.55 ft at 6:00PM Apr 18, 2021Observed: 5.56 ft at 6:15PM Apr 18, 2021Observed: 5.56 ft at 6:30PM Apr 18, 2021Observed: 5.56 ft at 6:45PM Apr 18, 2021Observed: 5.56 ft at 7:00PM Apr 18, 2021Observed: 5.56 ft at 7:15PM Apr 18, 2021Observed: 5.56 ft at 7:30PM Apr 18, 2021Observed: 5.56 ft at 7:45PM Apr 18, 2021Observed: 5.56 ft at 8:00PM Apr 18, 2021Observed: 5.56 ft at 8:15PM Apr 18, 2021Observed: 5.56 ft at 8:30PM Apr 18, 2021Observed: 5.56 ft at 8:45PM Apr 18, 2021Observed: 5.56 ft at 9:00PM Apr 18, 2021Observed: 5.56 ft at 9:15PM Apr 18, 2021Observed: 5.57 ft at 9:30PM Apr 18, 2021Observed: 5.57 ft at 9:45PM Apr 18, 2021Observed: 5.56 ft at 10:00PM Apr 18, 2021Observed: 5.57 ft at 10:15PM Apr 18, 2021Observed: 5.57 ft at 10:30PM Apr 18, 2021Observed: 5.57 ft at 10:45PM Apr 18, 2021Observed: 5.57 ft at 11:00PM Apr 18, 2021Observed: 5.56 ft at 11:15PM Apr 18, 2021Observed: 5.57 ft at 11:30PM Apr 18, 2021Observed: 5.57 ft at 11:45PM Apr 18, 2021Observed: 5.57 ft at 12:00AM Apr 19, 2021Observed: 5.56 ft at 12:15AM Apr 19, 2021Observed: 5.57 ft at 12:30AM Apr 19, 2021Observed: 5.57 ft at 12:45AM Apr 19, 2021Observed: 5.57 ft at 1:00AM Apr 19, 2021Observed: 5.57 ft at 1:15AM Apr 19, 2021Observed: 5.56 ft at 1:30AM Apr 19, 2021Observed: 5.57 ft at 1:45AM Apr 19, 2021Observed: 5.57 ft at 2:00AM Apr 19, 2021Observed: 5.57 ft at 2:15AM Apr 19, 2021Observed: 5.56 ft at 2:30AM Apr 19, 2021Observed: 5.56 ft at 2:45AM Apr 19, 2021Observed: 5.56 ft at 3:00AM Apr 19, 2021Observed: 5.56 ft at 3:15AM Apr 19, 2021Observed: 5.57 ft at 3:30AM Apr 19, 2021Observed: 5.56 ft at 3:45AM Apr 19, 2021Observed: 5.57 ft at 4:00AM Apr 19, 2021Observed: 5.56 ft at 4:15AM Apr 19, 2021Observed: 5.56 ft at 4:30AM Apr 19, 2021Observed: 5.56 ft at 4:45AM Apr 19, 2021Observed: 5.56 ft at 5:00AM Apr 19, 2021Observed: 5.56 ft at 5:15AM Apr 19, 2021Observed: 5.55 ft at 5:30AM Apr 19, 2021Observed: 5.56 ft at 5:45AM Apr 19, 2021Observed: 5.56 ft at 6:00AM Apr 19, 2021Observed: 5.55 ft at 6:15AM Apr 19, 2021Observed: 5.56 ft at 6:30AM Apr 19, 2021Observed: 5.56 ft at 6:45AM Apr 19, 2021Observed: 5.55 ft at 7:00AM Apr 19, 2021Observed: 5.55 ft at 7:15AM Apr 19, 2021Observed: 5.55 ft at 7:30AM Apr 19, 2021Observed: 5.55 ft at 7:45AM Apr 19, 2021Observed: 5.55 ft at 8:00AM Apr 19, 2021Observed: 5.55 ft at 8:15AM Apr 19, 2021Observed: 5.55 ft at 8:30AM Apr 19, 2021Observed: 5.52 ft at 8:45AM Apr 19, 2021Observed: 5.52 ft at 9:00AM Apr 19, 2021Observed: 5.53 ft at 9:15AM Apr 19, 2021Observed: 5.54 ft at 9:30AM Apr 19, 2021Observed: 5.54 ft at 9:45AM Apr 19, 2021Observed: 5.52 ft at 10:00AM Apr 19, 2021Observed: 5.54 ft at 10:15AM Apr 19, 2021Observed: 5.53 ft at 10:30AM Apr 19, 2021Observed: 5.53 ft at 10:45AM Apr 19, 2021Observed: 5.51 ft at 11:00AM Apr 19, 2021Observed: 5.52 ft at 11:15AM Apr 19, 2021Observed: 5.52 ft at 11:30AM Apr 19, 2021Observed: 5.53 ft at 11:45AM Apr 19, 2021Observed: 5.53 ft at 12:00PM Apr 19, 2021Observed: 5.53 ft at 12:15PM Apr 19, 2021Observed: 5.53 ft at 12:30PM Apr 19, 2021Observed: 5.53 ft at 12:45PM Apr 19, 2021Observed: 5.54 ft at 1:00PM Apr 19, 2021Observed: 5.53 ft at 1:15PM Apr 19, 2021Observed: 5.54 ft at 1:30PM Apr 19, 2021Observed: 5.54 ft at 1:45PM Apr 19, 2021Observed: 5.53 ft at 2:00PM Apr 19, 2021Observed: 5.53 ft at 2:15PM Apr 19, 2021Observed: 5.51 ft at 2:30PM Apr 19, 2021Observed: 5.53 ft at 2:45PM Apr 19, 2021Observed: 5.52 ft at 3:00PM Apr 19, 2021Observed: 5.52 ft at 3:15PM Apr 19, 2021Observed: 5.53 ft at 3:30PM Apr 19, 2021Observed: 5.53 ft at 3:45PM Apr 19, 2021Observed: 5.53 ft at 4:00PM Apr 19, 2021Observed: 5.53 ft at 4:15PM Apr 19, 2021Observed: 5.53 ft at 4:30PM Apr 19, 2021Observed: 5.53 ft at 4:45PM Apr 19, 2021Observed: 5.53 ft at 5:00PM Apr 19, 2021Observed: 5.53 ft at 5:15PM Apr 19, 2021Observed: 5.53 ft at 5:30PM Apr 19, 2021Observed: 5.53 ft at 5:45PM Apr 19, 2021Observed: 5.52 ft at 6:00PM Apr 19, 2021Observed: 5.52 ft at 6:15PM Apr 19, 2021Observed: 5.52 ft at 6:30PM Apr 19, 2021Observed: 5.52 ft at 6:45PM Apr 19, 2021Observed: 5.52 ft at 7:00PM Apr 19, 2021Observed: 5.53 ft at 7:15PM Apr 19, 2021Observed: 5.53 ft at 7:30PM Apr 19, 2021Observed: 5.53 ft at 7:45PM Apr 19, 2021Observed: 5.52 ft at 8:00PM Apr 19, 2021Observed: 5.52 ft at 8:15PM Apr 19, 2021Observed: 5.52 ft at 8:30PM Apr 19, 2021Observed: 5.52 ft at 8:45PM Apr 19, 2021Observed: 5.52 ft at 9:00PM Apr 19, 2021Observed: 5.52 ft at 9:15PM Apr 19, 2021Observed: 5.52 ft at 9:30PM Apr 19, 2021Observed: 5.52 ft at 9:45PM Apr 19, 2021Observed: 5.52 ft at 10:00PM Apr 19, 2021Observed: 5.52 ft at 10:15PM Apr 19, 2021Observed: 5.52 ft at 10:30PM Apr 19, 2021Observed: 5.52 ft at 10:45PM Apr 19, 2021Observed: 5.52 ft at 11:00PM Apr 19, 2021Observed: 5.52 ft at 11:15PM Apr 19, 2021Observed: 5.52 ft at 11:30PM Apr 19, 2021Observed: 5.52 ft at 11:45PM Apr 19, 2021Observed: 5.5 ft at 12:00AM Apr 20, 2021Observed: 5.51 ft at 12:15AM Apr 20, 2021Observed: 5.51 ft at 12:30AM Apr 20, 2021Observed: 5.51 ft at 12:45AM Apr 20, 2021Observed: 5.51 ft at 1:00AM Apr 20, 2021Observed: 5.51 ft at 1:15AM Apr 20, 2021Observed: 5.51 ft at 1:30AM Apr 20, 2021Observed: 5.51 ft at 1:45AM Apr 20, 2021Observed: 5.51 ft at 2:00AM Apr 20, 2021Observed: 5.51 ft at 2:15AM Apr 20, 2021Observed: 5.5 ft at 2:30AM Apr 20, 2021Observed: 5.5 ft at 2:45AM Apr 20, 2021Observed: 5.5 ft at 3:00AM Apr 20, 2021Observed: 5.5 ft at 3:15AM Apr 20, 2021Observed: 5.5 ft at 3:30AM Apr 20, 2021Observed: 5.5 ft at 3:45AM Apr 20, 2021Observed: 5.5 ft at 4:00AM Apr 20, 2021Observed: 5.5 ft at 4:15AM Apr 20, 2021Observed: 5.5 ft at 4:30AM Apr 20, 2021Observed: 5.5 ft at 4:45AM Apr 20, 2021Observed: 5.5 ft at 5:00AM Apr 20, 2021Observed: 5.5 ft at 5:15AM Apr 20, 2021Observed: 5.5 ft at 5:30AM Apr 20, 2021Observed: 5.5 ft at 5:45AM Apr 20, 2021Observed: 5.5 ft at 6:00AM Apr 20, 2021Observed: 5.49 ft at 6:15AM Apr 20, 2021Observed: 5.5 ft at 6:30AM Apr 20, 2021Observed: 5.49 ft at 6:45AM Apr 20, 2021Observed: 5.49 ft at 7:00AM Apr 20, 2021Observed: 5.5 ft at 7:15AM Apr 20, 2021Observed: 5.5 ft at 7:30AM Apr 20, 2021Observed: 5.5 ft at 7:45AM Apr 20, 2021Observed: 5.49 ft at 8:00AM Apr 20, 2021Observed: 5.5 ft at 8:15AM Apr 20, 2021Observed: 5.49 ft at 8:30AM Apr 20, 2021Observed: 5.49 ft at 8:45AM Apr 20, 2021Observed: 5.5 ft at 9:00AM Apr 20, 2021Observed: 5.49 ft at 9:15AM Apr 20, 2021Observed: 5.49 ft at 9:30AM Apr 20, 2021Observed: 5.49 ft at 9:45AM Apr 20, 2021Observed: 5.5 ft at 10:00AM Apr 20, 2021Observed: 5.5 ft at 10:15AM Apr 20, 2021Observed: 5.5 ft at 10:30AM Apr 20, 2021Observed: 5.5 ft at 10:45AM Apr 20, 2021Observed: 5.5 ft at 11:00AM Apr 20, 2021Observed: 5.5 ft at 11:15AM Apr 20, 2021Observed: 5.5 ft at 11:30AM Apr 20, 2021Observed: 5.5 ft at 11:45AM Apr 20, 2021Observed: 5.5 ft at 12:00PM Apr 20, 2021Observed: 5.5 ft at 12:15PM Apr 20, 2021Observed: 5.5 ft at 12:30PM Apr 20, 2021Observed: 5.5 ft at 12:45PM Apr 20, 2021Observed: 5.5 ft at 1:00PM Apr 20, 2021Observed: 5.51 ft at 1:15PM Apr 20, 2021Observed: 5.51 ft at 1:30PM Apr 20, 2021Observed: 5.5 ft at 1:45PM Apr 20, 2021Observed: 5.5 ft at 2:00PM Apr 20, 2021Observed: 5.5 ft at 2:15PM Apr 20, 2021Observed: 5.5 ft at 2:30PM Apr 20, 2021Observed: 5.5 ft at 2:45PM Apr 20, 2021Observed: 5.5 ft at 3:00PM Apr 20, 2021Observed: 5.51 ft at 3:15PM Apr 20, 2021Observed: 5.5 ft at 3:30PM Apr 20, 2021Observed: 5.51 ft at 3:45PM Apr 20, 2021Observed: 5.51 ft at 4:00PM Apr 20, 2021Observed: 5.51 ft at 4:15PM Apr 20, 2021Observed: 5.51 ft at 4:30PM Apr 20, 2021Observed: 5.51 ft at 4:45PM Apr 20, 2021Observed: 5.51 ft at 5:00PM Apr 20, 2021Observed: 5.51 ft at 5:15PM Apr 20, 2021Observed: 5.51 ft at 5:30PM Apr 20, 2021Observed: 5.51 ft at 5:45PM Apr 20, 2021Observed: 5.51 ft at 6:00PM Apr 20, 2021Observed: 5.51 ft at 6:15PM Apr 20, 2021Observed: 5.51 ft at 6:30PM Apr 20, 2021Observed: 5.51 ft at 6:45PM Apr 20, 2021Observed: 5.52 ft at 7:00PM Apr 20, 2021Observed: 5.52 ft at 7:15PM Apr 20, 2021Observed: 5.52 ft at 7:30PM Apr 20, 2021Observed: 5.52 ft at 7:45PM Apr 20, 2021Observed: 5.52 ft at 8:00PM Apr 20, 2021Observed: 5.53 ft at 8:15PM Apr 20, 2021Observed: 5.53 ft at 8:30PM Apr 20, 2021Observed: 5.53 ft at 8:45PM Apr 20, 2021Observed: 5.53 ft at 9:00PM Apr 20, 2021Observed: 5.53 ft at 9:15PM Apr 20, 2021Observed: 5.53 ft at 9:30PM Apr 20, 2021Observed: 5.54 ft at 9:45PM Apr 20, 2021Observed: 5.54 ft at 10:00PM Apr 20, 2021Observed: 5.54 ft at 10:15PM Apr 20, 2021Observed: 5.54 ft at 10:30PM Apr 20, 2021Observed: 5.55 ft at 10:45PM Apr 20, 2021Observed: 5.55 ft at 11:00PM Apr 20, 2021Observed: 5.55 ft at 11:15PM Apr 20, 2021Observed: 5.55 ft at 11:30PM Apr 20, 2021Observed: 5.55 ft at 11:45PM Apr 20, 2021Observed: 5.55 ft at 12:00AM Apr 21, 2021Observed: 5.56 ft at 12:15AM Apr 21, 2021Observed: 5.56 ft at 12:30AM Apr 21, 2021Observed: 5.56 ft at 12:45AM Apr 21, 2021Observed: 5.56 ft at 1:00AM Apr 21, 2021Observed: 5.57 ft at 1:15AM Apr 21, 2021Observed: 5.57 ft at 1:30AM Apr 21, 2021Observed: 5.57 ft at 1:45AM Apr 21, 2021Observed: 5.57 ft at 2:00AM Apr 21, 2021Observed: 5.57 ft at 2:15AM Apr 21, 2021Observed: 5.58 ft at 2:30AM Apr 21, 2021Observed: 5.57 ft at 2:45AM Apr 21, 2021Observed: 5.58 ft at 3:00AM Apr 21, 2021Observed: 5.58 ft at 3:15AM Apr 21, 2021Observed: 5.58 ft at 3:30AM Apr 21, 2021Observed: 5.58 ft at 3:45AM Apr 21, 2021Observed: 5.59 ft at 4:00AM Apr 21, 2021Observed: 5.59 ft at 4:15AM Apr 21, 2021Observed: 5.59 ft at 4:30AM Apr 21, 2021Observed: 5.59 ft at 4:45AM Apr 21, 2021Observed: 5.59 ft at 5:00AM Apr 21, 2021Observed: 5.59 ft at 5:15AM Apr 21, 2021Observed: 5.6 ft at 5:30AM Apr 21, 2021Observed: 5.6 ft at 5:45AM Apr 21, 2021Observed: 5.6 ft at 6:00AM Apr 21, 2021Observed: 5.6 ft at 6:15AM Apr 21, 2021Observed: 5.6 ft at 6:30AM Apr 21, 2021Observed: 5.61 ft at 6:45AM Apr 21, 2021Observed: 5.61 ft at 7:00AM Apr 21, 2021Observed: 5.61 ft at 7:15AM Apr 21, 2021Observed: 5.61 ft at 7:30AM Apr 21, 2021Observed: 5.61 ft at 7:45AM Apr 21, 2021Observed: 5.61 ft at 8:00AM Apr 21, 2021Observed: 5.61 ft at 8:15AM Apr 21, 2021Observed: 5.61 ft at 8:30AM Apr 21, 2021Observed: 5.62 ft at 8:45AM Apr 21, 2021Observed: 5.6 ft at 9:00AM Apr 21, 2021Observed: 5.61 ft at 9:15AM Apr 21, 2021Observed: 5.61 ft at 9:30AM Apr 21, 2021Observed: 5.62 ft at 9:45AM Apr 21, 2021Observed: 5.62 ft at 10:00AM Apr 21, 2021Observed: 5.62 ft at 10:15AM Apr 21, 2021Observed: 5.6 ft at 10:30AM Apr 21, 2021Observed: 5.62 ft at 10:45AM Apr 21, 2021USGS--Water Resources of the United StatesSLBI3(plotting HGIRG) Graph Created (11:12AM Apr 21, 2021)ObservedLatest observed value: 5.62 ft at 10:45 AM CDT 21-Apr-2021. Flood Stage is 10.5 ft
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.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 26
Low Stage (in feet): 18.6

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.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
18.6 Low water levels begin to impact shipping interests along the river.
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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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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