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Hydrograph River at a Glance Download
Illinois River at Seneca Stage (ft)Observed: 20.54 ft at 2:15AM Feb 02, 2023Observed: 20.52 ft at 2:30AM Feb 02, 2023Observed: 20.51 ft at 2:45AM Feb 02, 2023Observed: 20.51 ft at 3:00AM Feb 02, 2023Observed: 20.49 ft at 3:15AM Feb 02, 2023Observed: 20.47 ft at 3:30AM Feb 02, 2023Observed: 20.47 ft at 3:45AM Feb 02, 2023Observed: 20.46 ft at 4:00AM Feb 02, 2023Observed: 20.45 ft at 4:15AM Feb 02, 2023Observed: 20.44 ft at 4:30AM Feb 02, 2023Observed: 20.43 ft at 4:45AM Feb 02, 2023Observed: 20.47 ft at 5:00AM Feb 02, 2023Observed: 20.49 ft at 5:15AM Feb 02, 2023Observed: 20.51 ft at 5:30AM Feb 02, 2023Observed: 20.53 ft at 5:45AM Feb 02, 2023Observed: 20.53 ft at 6:00AM Feb 02, 2023Observed: 20.53 ft at 6:15AM Feb 02, 2023Observed: 20.53 ft at 6:30AM Feb 02, 2023Observed: 20.52 ft at 6:45AM Feb 02, 2023Observed: 20.51 ft at 7:00AM Feb 02, 2023Observed: 20.5 ft at 7:15AM Feb 02, 2023Observed: 20.5 ft at 7:30AM Feb 02, 2023Observed: 20.48 ft at 7:45AM Feb 02, 2023Observed: 20.47 ft at 8:00AM Feb 02, 2023Observed: 20.47 ft at 8:15AM Feb 02, 2023Observed: 20.41 ft at 8:30AM Feb 02, 2023Observed: 20.38 ft at 8:45AM Feb 02, 2023Observed: 20.42 ft at 9:00AM Feb 02, 2023Observed: 20.43 ft at 9:15AM Feb 02, 2023Observed: 20.39 ft at 9:30AM Feb 02, 2023Observed: 20.39 ft at 9:45AM Feb 02, 2023Observed: 20.4 ft at 10:00AM Feb 02, 2023Observed: 20.34 ft at 10:15AM Feb 02, 2023Observed: 20.31 ft at 10:30AM Feb 02, 2023Observed: 20.36 ft at 10:45AM Feb 02, 2023Observed: 20.37 ft at 11:00AM Feb 02, 2023Observed: 20.33 ft at 11:15AM Feb 02, 2023Observed: 20.32 ft at 11:30AM Feb 02, 2023Observed: 20.33 ft at 11:45AM Feb 02, 2023Observed: 20.35 ft at 12:00PM Feb 02, 2023Observed: 20.33 ft at 12:15PM Feb 02, 2023Observed: 20.35 ft at 12:30PM Feb 02, 2023Observed: 20.33 ft at 12:45PM Feb 02, 2023Observed: 20.34 ft at 1:00PM Feb 02, 2023Observed: 20.35 ft at 1:15PM Feb 02, 2023Observed: 20.34 ft at 1:30PM Feb 02, 2023Observed: 20.36 ft at 1:45PM Feb 02, 2023Observed: 20.35 ft at 2:00PM Feb 02, 2023Observed: 20.38 ft at 2:15PM Feb 02, 2023Observed: 20.28 ft at 2:30PM Feb 02, 2023Observed: 20.43 ft at 2:45PM Feb 02, 2023Observed: 20.41 ft at 3:00PM Feb 02, 2023Observed: 20.41 ft at 3:15PM Feb 02, 2023Observed: 20.44 ft at 3:30PM Feb 02, 2023Observed: 20.38 ft at 3:45PM Feb 02, 2023Observed: 20.36 ft at 4:00PM Feb 02, 2023Observed: 20.41 ft at 4:15PM Feb 02, 2023Observed: 20.45 ft at 4:30PM Feb 02, 2023Observed: 20.42 ft at 4:45PM Feb 02, 2023Observed: 20.46 ft at 5:00PM Feb 02, 2023Observed: 20.48 ft at 5:15PM Feb 02, 2023Observed: 20.54 ft at 5:30PM Feb 02, 2023Observed: 20.56 ft at 5:45PM Feb 02, 2023Observed: 20.54 ft at 6:00PM Feb 02, 2023Observed: 20.59 ft at 6:15PM Feb 02, 2023Observed: 20.53 ft at 6:30PM Feb 02, 2023Observed: 20.58 ft at 6:45PM Feb 02, 2023Observed: 20.65 ft at 7:00PM Feb 02, 2023Observed: 20.62 ft at 7:15PM Feb 02, 2023Observed: 20.56 ft at 7:30PM Feb 02, 2023Observed: 20.61 ft at 7:45PM Feb 02, 2023Observed: 20.63 ft at 8:00PM Feb 02, 2023Observed: 20.61 ft at 8:15PM Feb 02, 2023Observed: 20.55 ft at 8:30PM Feb 02, 2023Observed: 20.65 ft at 8:45PM Feb 02, 2023Observed: 20.69 ft at 9:00PM Feb 02, 2023Observed: 20.67 ft at 9:15PM Feb 02, 2023Observed: 20.65 ft at 9:30PM Feb 02, 2023Observed: 20.65 ft at 9:45PM Feb 02, 2023Observed: 20.64 ft at 10:00PM Feb 02, 2023Observed: 20.7 ft at 10:15PM Feb 02, 2023Observed: 20.73 ft at 10:30PM Feb 02, 2023Observed: 20.74 ft at 10:45PM Feb 02, 2023Observed: 20.74 ft at 11:00PM Feb 02, 2023Observed: 20.72 ft at 11:15PM Feb 02, 2023Observed: 20.68 ft at 11:30PM Feb 02, 2023Observed: 20.67 ft at 11:45PM Feb 02, 2023Observed: 20.74 ft at 12:00AM Feb 03, 2023Observed: 20.76 ft at 12:15AM Feb 03, 2023Observed: 20.68 ft at 12:30AM Feb 03, 2023Observed: 20.69 ft at 12:45AM Feb 03, 2023Observed: 20.65 ft at 1:00AM Feb 03, 2023Observed: 20.66 ft at 1:15AM Feb 03, 2023Observed: 20.7 ft at 1:30AM Feb 03, 2023Observed: 20.66 ft at 1:45AM Feb 03, 2023Observed: 20.65 ft at 2:00AM Feb 03, 2023Observed: 20.65 ft at 2:15AM Feb 03, 2023Observed: 20.64 ft at 2:30AM Feb 03, 2023Observed: 20.59 ft at 2:45AM Feb 03, 2023Observed: 20.57 ft at 3:00AM Feb 03, 2023Observed: 20.58 ft at 3:15AM Feb 03, 2023Observed: 20.54 ft at 3:30AM Feb 03, 2023Observed: 20.53 ft at 3:45AM Feb 03, 2023Observed: 20.49 ft at 4:00AM Feb 03, 2023Observed: 20.48 ft at 4:15AM Feb 03, 2023Observed: 20.39 ft at 4:30AM Feb 03, 2023Observed: 20.46 ft at 4:45AM Feb 03, 2023Observed: 20.43 ft at 5:00AM Feb 03, 2023Observed: 20.42 ft at 5:15AM Feb 03, 2023Observed: 20.41 ft at 5:30AM Feb 03, 2023Observed: 20.39 ft at 5:45AM Feb 03, 2023Observed: 20.38 ft at 6:00AM Feb 03, 2023Observed: 20.4 ft at 6:15AM Feb 03, 2023Observed: 20.38 ft at 6:30AM Feb 03, 2023Observed: 20.42 ft at 6:45AM Feb 03, 2023Observed: 20.45 ft at 7:00AM Feb 03, 2023Observed: 20.44 ft at 7:15AM Feb 03, 2023Observed: 20.45 ft at 7:30AM Feb 03, 2023Observed: 20.44 ft at 7:45AM Feb 03, 2023Observed: 20.39 ft at 8:00AM Feb 03, 2023Observed: 20.39 ft at 8:15AM Feb 03, 2023Observed: 20.45 ft at 8:30AM Feb 03, 2023Observed: 20.46 ft at 8:45AM Feb 03, 2023Observed: 20.46 ft at 9:00AM Feb 03, 2023Observed: 20.44 ft at 9:15AM Feb 03, 2023Observed: 20.45 ft at 9:30AM Feb 03, 2023Observed: 20.46 ft at 9:45AM Feb 03, 2023Observed: 20.43 ft at 10:00AM Feb 03, 2023Observed: 20.41 ft at 10:15AM Feb 03, 2023Observed: 20.42 ft at 10:30AM Feb 03, 2023Observed: 20.42 ft at 10:45AM Feb 03, 2023Observed: 20.42 ft at 11:00AM Feb 03, 2023Observed: 20.4 ft at 11:15AM Feb 03, 2023Observed: 20.39 ft at 11:30AM Feb 03, 2023Observed: 20.4 ft at 11:45AM Feb 03, 2023Observed: 20.39 ft at 12:00PM Feb 03, 2023Observed: 20.38 ft at 12:15PM Feb 03, 2023Observed: 20.37 ft at 12:30PM Feb 03, 2023Observed: 20.36 ft at 12:45PM Feb 03, 2023Observed: 20.36 ft at 1:00PM Feb 03, 2023Observed: 20.38 ft at 1:15PM Feb 03, 2023Observed: 20.35 ft at 1:30PM Feb 03, 2023Observed: 20.35 ft at 1:45PM Feb 03, 2023Observed: 20.36 ft at 2:00PM Feb 03, 2023Observed: 20.32 ft at 2:15PM Feb 03, 2023Observed: 20.34 ft at 2:30PM Feb 03, 2023Observed: 20.34 ft at 2:45PM Feb 03, 2023Observed: 20.31 ft at 3:00PM Feb 03, 2023Observed: 20.34 ft at 3:15PM Feb 03, 2023Observed: 20.33 ft at 3:30PM Feb 03, 2023Observed: 20.32 ft at 3:45PM Feb 03, 2023Observed: 20.28 ft at 4:00PM Feb 03, 2023Observed: 20.25 ft at 4:15PM Feb 03, 2023Observed: 20.35 ft at 4:30PM Feb 03, 2023Observed: 20.4 ft at 4:45PM Feb 03, 2023Observed: 20.39 ft at 5:00PM Feb 03, 2023Observed: 20.4 ft at 5:15PM Feb 03, 2023Observed: 20.43 ft at 5:30PM Feb 03, 2023Observed: 20.45 ft at 5:45PM Feb 03, 2023Observed: 20.45 ft at 6:00PM Feb 03, 2023Observed: 20.47 ft at 6:15PM Feb 03, 2023Observed: 20.48 ft at 6:30PM Feb 03, 2023Observed: 20.48 ft at 6:45PM Feb 03, 2023Observed: 20.5 ft at 7:00PM Feb 03, 2023Observed: 20.47 ft at 7:15PM Feb 03, 2023Observed: 20.46 ft at 7:30PM Feb 03, 2023Observed: 20.47 ft at 7:45PM Feb 03, 2023Observed: 20.46 ft at 8:00PM Feb 03, 2023Observed: 20.5 ft at 8:15PM Feb 03, 2023Observed: 20.52 ft at 8:30PM Feb 03, 2023Observed: 20.54 ft at 8:45PM Feb 03, 2023Observed: 20.55 ft at 9:00PM Feb 03, 2023Observed: 20.58 ft at 9:15PM Feb 03, 2023Observed: 20.57 ft at 9:30PM Feb 03, 2023Observed: 20.59 ft at 9:45PM Feb 03, 2023Observed: 20.6 ft at 10:00PM Feb 03, 2023Observed: 20.6 ft at 10:15PM Feb 03, 2023Observed: 20.6 ft at 10:30PM Feb 03, 2023Observed: 20.61 ft at 10:45PM Feb 03, 2023Observed: 20.61 ft at 11:00PM Feb 03, 2023Observed: 20.62 ft at 11:15PM Feb 03, 2023Observed: 20.64 ft at 11:30PM Feb 03, 2023Observed: 20.62 ft at 11:45PM Feb 03, 2023Observed: 20.62 ft at 12:00AM Feb 04, 2023Observed: 20.62 ft at 12:15AM Feb 04, 2023Observed: 20.62 ft at 12:30AM Feb 04, 2023Observed: 20.62 ft at 12:45AM Feb 04, 2023Observed: 20.63 ft at 1:00AM Feb 04, 2023Observed: 20.62 ft at 1:15AM Feb 04, 2023Observed: 20.63 ft at 1:30AM Feb 04, 2023Observed: 20.65 ft at 1:45AM Feb 04, 2023Observed: 20.64 ft at 2:00AM Feb 04, 2023Observed: 20.63 ft at 2:15AM Feb 04, 2023Observed: 20.62 ft at 2:30AM Feb 04, 2023Observed: 20.6 ft at 2:45AM Feb 04, 2023Observed: 20.61 ft at 3:00AM Feb 04, 2023Observed: 20.6 ft at 3:15AM Feb 04, 2023Observed: 20.6 ft at 3:30AM Feb 04, 2023Observed: 20.58 ft at 3:45AM Feb 04, 2023Observed: 20.55 ft at 4:00AM Feb 04, 2023Observed: 20.54 ft at 4:15AM Feb 04, 2023Observed: 20.54 ft at 4:30AM Feb 04, 2023Observed: 20.55 ft at 4:45AM Feb 04, 2023Observed: 20.48 ft at 5:00AM Feb 04, 2023Observed: 20.47 ft at 5:15AM Feb 04, 2023Observed: 20.46 ft at 5:30AM Feb 04, 2023Observed: 20.48 ft at 5:45AM Feb 04, 2023Observed: 20.47 ft at 6:00AM Feb 04, 2023Observed: 20.38 ft at 6:15AM Feb 04, 2023Observed: 20.37 ft at 6:30AM Feb 04, 2023Observed: 20.43 ft at 6:45AM Feb 04, 2023Observed: 20.41 ft at 7:00AM Feb 04, 2023Observed: 20.42 ft at 7:15AM Feb 04, 2023Observed: 20.37 ft at 7:30AM Feb 04, 2023Observed: 20.37 ft at 7:45AM Feb 04, 2023Observed: 20.37 ft at 8:00AM Feb 04, 2023Observed: 20.35 ft at 8:15AM Feb 04, 2023Observed: 20.31 ft at 8:30AM Feb 04, 2023Observed: 20.29 ft at 8:45AM Feb 04, 2023Observed: 20.36 ft at 9:00AM Feb 04, 2023Observed: 20.33 ft at 9:15AM Feb 04, 2023Observed: 20.29 ft at 9:30AM Feb 04, 2023Observed: 20.36 ft at 9:45AM Feb 04, 2023Observed: 20.39 ft at 10:00AM Feb 04, 2023Observed: 20.37 ft at 10:15AM Feb 04, 2023Observed: 20.41 ft at 10:30AM Feb 04, 2023Observed: 20.42 ft at 10:45AM Feb 04, 2023Observed: 20.39 ft at 11:00AM Feb 04, 2023Observed: 20.37 ft at 11:15AM Feb 04, 2023Observed: 20.39 ft at 11:30AM Feb 04, 2023Observed: 20.37 ft at 11:45AM Feb 04, 2023Observed: 20.39 ft at 12:00PM Feb 04, 2023Observed: 20.24 ft at 12:15PM Feb 04, 2023Observed: 20.31 ft at 12:30PM Feb 04, 2023Observed: 20.39 ft at 12:45PM Feb 04, 2023Observed: 20.39 ft at 1:00PM Feb 04, 2023Observed: 20.41 ft at 1:15PM Feb 04, 2023Observed: 20.47 ft at 1:30PM Feb 04, 2023Observed: 20.49 ft at 1:45PM Feb 04, 2023Observed: 20.51 ft at 2:00PM Feb 04, 2023Observed: 20.51 ft at 2:15PM Feb 04, 2023Observed: 20.54 ft at 2:30PM Feb 04, 2023Observed: 20.54 ft at 2:45PM Feb 04, 2023Observed: 20.52 ft at 3:00PM Feb 04, 2023Observed: 20.47 ft at 3:15PM Feb 04, 2023Observed: 20.43 ft at 3:30PM Feb 04, 2023Observed: 20.5 ft at 3:45PM Feb 04, 2023Observed: 20.55 ft at 4:00PM Feb 04, 2023Observed: 20.42 ft at 4:15PM Feb 04, 2023Observed: 20.44 ft at 4:30PM Feb 04, 2023Observed: 20.52 ft at 4:45PM Feb 04, 2023Observed: 20.51 ft at 5:00PM Feb 04, 2023Observed: 20.47 ft at 5:15PM Feb 04, 2023Observed: 20.48 ft at 5:30PM Feb 04, 2023Observed: 20.5 ft at 5:45PM Feb 04, 2023Observed: 20.53 ft at 6:00PM Feb 04, 2023Observed: 20.49 ft at 6:15PM Feb 04, 2023Observed: 20.41 ft at 6:30PM Feb 04, 2023Observed: 20.5 ft at 6:45PM Feb 04, 2023Observed: 20.53 ft at 7:00PM Feb 04, 2023Observed: 20.47 ft at 7:15PM Feb 04, 2023Observed: 20.47 ft at 7:30PM Feb 04, 2023Observed: 20.5 ft at 7:45PM Feb 04, 2023Observed: 20.39 ft at 8:00PM Feb 04, 2023Observed: 20.47 ft at 8:15PM Feb 04, 2023Observed: 20.5 ft at 8:30PM Feb 04, 2023Observed: 20.46 ft at 8:45PM Feb 04, 2023Observed: 20.49 ft at 9:00PM Feb 04, 2023Observed: 20.47 ft at 9:15PM Feb 04, 2023Observed: 20.47 ft at 9:30PM Feb 04, 2023Observed: 20.47 ft at 9:45PM Feb 04, 2023Observed: 20.36 ft at 10:00PM Feb 04, 2023Observed: 20.38 ft at 10:15PM Feb 04, 2023Observed: 20.46 ft at 10:30PM Feb 04, 2023Observed: 20.41 ft at 10:45PM Feb 04, 2023Observed: 20.36 ft at 11:00PM Feb 04, 2023Observed: 20.29 ft at 11:15PM Feb 04, 2023Observed: 20.36 ft at 11:30PM Feb 04, 2023Observed: 20.41 ft at 11:45PM Feb 04, 2023Observed: 20.38 ft at 12:00AM Feb 05, 2023Observed: 20.34 ft at 12:15AM Feb 05, 2023Observed: 20.35 ft at 12:30AM Feb 05, 2023Observed: 20.4 ft at 12:45AM Feb 05, 2023Observed: 20.35 ft at 1:00AM Feb 05, 2023Observed: 20.27 ft at 1:15AM Feb 05, 2023Observed: 20.34 ft at 1:30AM Feb 05, 2023Observed: 20.38 ft at 1:45AM Feb 05, 2023Observed: 20.35 ft at 2:00AM Feb 05, 2023Observed: 20.33 ft at 2:15AM Feb 05, 2023Observed: 20.35 ft at 2:30AM Feb 05, 2023Observed: 20.36 ft at 2:45AM Feb 05, 2023Observed: 20.34 ft at 3:00AM Feb 05, 2023Observed: 20.24 ft at 3:15AM Feb 05, 2023Observed: 20.31 ft at 3:30AM Feb 05, 2023Observed: 20.36 ft at 3:45AM Feb 05, 2023Observed: 20.32 ft at 4:00AM Feb 05, 2023Observed: 20.3 ft at 4:15AM Feb 05, 2023Observed: 20.33 ft at 4:30AM Feb 05, 2023Observed: 20.34 ft at 4:45AM Feb 05, 2023Observed: 20.34 ft at 5:00AM Feb 05, 2023Observed: 20.32 ft at 5:15AM Feb 05, 2023Observed: 20.32 ft at 5:30AM Feb 05, 2023Observed: 20.25 ft at 5:45AM Feb 05, 2023Observed: 20.31 ft at 6:00AM Feb 05, 2023Observed: 20.37 ft at 6:15AM Feb 05, 2023Observed: 20.37 ft at 6:30AM Feb 05, 2023Observed: 20.35 ft at 6:45AM Feb 05, 2023Observed: 20.33 ft at 7:00AM Feb 05, 2023Observed: 20.42 ft at 7:15AM Feb 05, 2023Observed: 20.44 ft at 7:30AM Feb 05, 2023Observed: 20.41 ft at 7:45AM Feb 05, 2023Observed: 20.42 ft at 8:00AM Feb 05, 2023Observed: 20.47 ft at 8:15AM Feb 05, 2023Observed: 20.47 ft at 8:30AM Feb 05, 2023Observed: 20.48 ft at 8:45AM Feb 05, 2023Observed: 20.49 ft at 9:00AM Feb 05, 2023Observed: 20.52 ft at 9:15AM Feb 05, 2023Observed: 20.52 ft at 9:30AM Feb 05, 2023Observed: 20.5 ft at 9:45AM Feb 05, 2023Observed: 20.46 ft at 10:00AM Feb 05, 2023Observed: 20.55 ft at 10:15AM Feb 05, 2023Observed: 20.61 ft at 10:30AM Feb 05, 2023Observed: 20.59 ft at 10:45AM Feb 05, 2023Observed: 20.59 ft at 11:00AM Feb 05, 2023Observed: 20.53 ft at 11:15AM Feb 05, 2023Observed: 20.6 ft at 11:30AM Feb 05, 2023Observed: 20.66 ft at 11:45AM Feb 05, 2023Observed: 20.63 ft at 12:00PM Feb 05, 2023Observed: 20.64 ft at 12:15PM Feb 05, 2023Observed: 20.66 ft at 12:30PM Feb 05, 2023Observed: 20.68 ft at 12:45PM Feb 05, 2023Observed: 20.67 ft at 1:00PM Feb 05, 2023Observed: 20.64 ft at 1:15PM Feb 05, 2023Observed: 20.65 ft at 1:30PM Feb 05, 2023Observed: 20.66 ft at 1:45PM Feb 05, 2023Observed: 20.67 ft at 2:00PM Feb 05, 2023Observed: 20.57 ft at 2:15PM Feb 05, 2023Observed: 20.64 ft at 2:30PM Feb 05, 2023Observed: 20.68 ft at 2:45PM Feb 05, 2023Observed: 20.66 ft at 3:00PM Feb 05, 2023Observed: 20.63 ft at 3:15PM Feb 05, 2023Observed: 20.61 ft at 3:30PM Feb 05, 2023Observed: 20.59 ft at 3:45PM Feb 05, 2023Observed: 20.65 ft at 4:00PM Feb 05, 2023Observed: 20.65 ft at 4:15PM Feb 05, 2023Observed: 20.65 ft at 4:30PM Feb 05, 2023Observed: 20.66 ft at 4:45PM Feb 05, 2023Observed: 20.66 ft at 5:00PM Feb 05, 2023Observed: 20.67 ft at 5:15PM Feb 05, 2023Observed: 20.67 ft at 5:30PM Feb 05, 2023Observed: 20.6 ft at 5:45PM Feb 05, 2023Observed: 20.6 ft at 6:00PM Feb 05, 2023Observed: 20.68 ft at 6:15PM Feb 05, 2023Observed: 20.67 ft at 6:30PM Feb 05, 2023Observed: 20.52 ft at 6:45PM Feb 05, 2023Observed: 20.41 ft at 7:00PM Feb 05, 2023Observed: 20.38 ft at 7:15PM Feb 05, 2023Observed: 20.4 ft at 7:30PM Feb 05, 2023Observed: 20.37 ft at 7:45PM Feb 05, 2023Observed: 20.33 ft at 8:00PM Feb 05, 2023Observed: 20.37 ft at 8:15PM Feb 05, 2023Observed: 20.42 ft at 8:30PM Feb 05, 2023Observed: 20.42 ft at 8:45PM Feb 05, 2023Observed: 20.39 ft at 9:00PM Feb 05, 2023Observed: 20.46 ft at 9:15PM Feb 05, 2023Observed: 20.49 ft at 9:30PM Feb 05, 2023Observed: 20.48 ft at 9:45PM Feb 05, 2023Observed: 20.48 ft at 10:00PM Feb 05, 2023Observed: 20.42 ft at 10:15PM Feb 05, 2023Observed: 20.44 ft at 10:30PM Feb 05, 2023Observed: 20.51 ft at 10:45PM Feb 05, 2023Observed: 20.5 ft at 11:00PM Feb 05, 2023Observed: 20.48 ft at 11:15PM Feb 05, 2023Observed: 20.49 ft at 11:30PM Feb 05, 2023Observed: 20.52 ft at 11:45PM Feb 05, 2023Observed: 20.5 ft at 12:00AM Feb 06, 2023Observed: 20.46 ft at 12:15AM Feb 06, 2023Observed: 20.46 ft at 12:30AM Feb 06, 2023Observed: 20.46 ft at 12:45AM Feb 06, 2023Observed: 20.47 ft at 1:00AM Feb 06, 2023Observed: 20.45 ft at 1:15AM Feb 06, 2023Observed: 20.47 ft at 1:30AM Feb 06, 2023Observed: 20.45 ft at 1:45AM Feb 06, 2023Observed: 20.46 ft at 2:00AM Feb 06, 2023Observed: 20.45 ft at 2:15AM Feb 06, 2023Observed: 20.43 ft at 2:30AM Feb 06, 2023Observed: 20.46 ft at 2:45AM Feb 06, 2023Observed: 20.44 ft at 3:00AM Feb 06, 2023Observed: 20.44 ft at 3:15AM Feb 06, 2023Observed: 20.43 ft at 3:30AM Feb 06, 2023Observed: 20.43 ft at 3:45AM Feb 06, 2023Observed: 20.44 ft at 4:00AM Feb 06, 2023Observed: 20.45 ft at 4:15AM Feb 06, 2023Observed: 20.43 ft at 4:30AM Feb 06, 2023Observed: 20.45 ft at 4:45AM Feb 06, 2023Observed: 20.46 ft at 5:00AM Feb 06, 2023Observed: 20.45 ft at 5:15AM Feb 06, 2023Observed: 20.45 ft at 5:30AM Feb 06, 2023Observed: 20.4 ft at 5:45AM Feb 06, 2023Observed: 20.46 ft at 6:00AM Feb 06, 2023Observed: 20.52 ft at 6:15AM Feb 06, 2023Observed: 20.49 ft at 6:30AM Feb 06, 2023Observed: 20.5 ft at 6:45AM Feb 06, 2023Observed: 20.53 ft at 7:00AM Feb 06, 2023Observed: 20.51 ft at 7:15AM Feb 06, 2023Observed: 20.5 ft at 7:30AM Feb 06, 2023Observed: 20.55 ft at 7:45AM Feb 06, 2023Observed: 20.57 ft at 8:00AM Feb 06, 2023Observed: 20.57 ft at 8:15AM Feb 06, 2023Observed: 20.58 ft at 8:30AM Feb 06, 2023Observed: 20.66 ft at 8:45AM Feb 06, 2023Observed: 20.67 ft at 9:00AM Feb 06, 2023Observed: 20.68 ft at 9:15AM Feb 06, 2023Observed: 20.72 ft at 9:30AM Feb 06, 2023Observed: 20.76 ft at 9:45AM Feb 06, 2023Observed: 20.76 ft at 10:00AM Feb 06, 2023Observed: 20.78 ft at 10:15AM Feb 06, 2023Observed: 20.79 ft at 10:30AM Feb 06, 2023Observed: 20.81 ft at 10:45AM Feb 06, 2023Observed: 20.84 ft at 11:00AM Feb 06, 2023Observed: 20.85 ft at 11:15AM Feb 06, 2023Observed: 20.84 ft at 11:30AM Feb 06, 2023Observed: 20.83 ft at 11:45AM Feb 06, 2023Observed: 20.72 ft at 12:00PM Feb 06, 2023Observed: 20.74 ft at 12:15PM Feb 06, 2023Observed: 20.77 ft at 12:30PM Feb 06, 2023Observed: 20.73 ft at 12:45PM Feb 06, 2023Observed: 20.69 ft at 1:00PM Feb 06, 2023Observed: 20.71 ft at 1:15PM Feb 06, 2023Observed: 20.69 ft at 1:30PM Feb 06, 2023Observed: 20.65 ft at 1:45PM Feb 06, 2023Observed: 20.62 ft at 2:00PM Feb 06, 2023Observed: 20.61 ft at 2:15PM Feb 06, 2023Observed: 20.6 ft at 2:30PM Feb 06, 2023Observed: 20.59 ft at 2:45PM Feb 06, 2023Observed: 20.53 ft at 3:00PM Feb 06, 2023Observed: 20.48 ft at 3:15PM Feb 06, 2023Observed: 20.56 ft at 3:30PM Feb 06, 2023Observed: 20.57 ft at 3:45PM Feb 06, 2023Observed: 20.52 ft at 4:00PM Feb 06, 2023Observed: 20.49 ft at 4:15PM Feb 06, 2023Observed: 20.43 ft at 4:30PM Feb 06, 2023Observed: 20.55 ft at 4:45PM Feb 06, 2023Observed: 20.6 ft at 5:00PM Feb 06, 2023Observed: 20.57 ft at 5:15PM Feb 06, 2023Observed: 20.58 ft at 5:30PM Feb 06, 2023Observed: 20.57 ft at 5:45PM Feb 06, 2023Observed: 20.52 ft at 6:00PM Feb 06, 2023Observed: 20.65 ft at 6:15PM Feb 06, 2023Observed: 20.63 ft at 6:30PM Feb 06, 2023Observed: 20.57 ft at 6:45PM Feb 06, 2023Observed: 20.59 ft at 7:00PM Feb 06, 2023Observed: 20.6 ft at 7:15PM Feb 06, 2023Observed: 20.61 ft at 7:30PM Feb 06, 2023Observed: 20.59 ft at 7:45PM Feb 06, 2023Observed: 20.55 ft at 8:00PM Feb 06, 2023Observed: 20.57 ft at 8:15PM Feb 06, 2023Observed: 20.5 ft at 8:30PM Feb 06, 2023Observed: 20.53 ft at 8:45PM Feb 06, 2023Observed: 20.57 ft at 9:00PM Feb 06, 2023Observed: 20.58 ft at 9:15PM Feb 06, 2023Observed: 20.53 ft at 9:30PM Feb 06, 2023Observed: 20.57 ft at 9:45PM Feb 06, 2023Observed: 20.54 ft at 10:00PM Feb 06, 2023Observed: 20.51 ft at 10:15PM Feb 06, 2023Observed: 20.56 ft at 10:30PM Feb 06, 2023Observed: 20.63 ft at 10:45PM Feb 06, 2023Observed: 20.65 ft at 11:00PM Feb 06, 2023Observed: 20.63 ft at 11:15PM Feb 06, 2023Observed: 20.66 ft at 11:30PM Feb 06, 2023Observed: 20.68 ft at 11:45PM Feb 06, 2023Observed: 20.72 ft at 12:00AM Feb 07, 2023Observed: 20.68 ft at 12:15AM Feb 07, 2023Observed: 20.75 ft at 12:30AM Feb 07, 2023Observed: 20.75 ft at 12:45AM Feb 07, 2023Observed: 20.69 ft at 1:00AM Feb 07, 2023Observed: 20.7 ft at 1:15AM Feb 07, 2023Observed: 20.66 ft at 1:30AM Feb 07, 2023Observed: 20.61 ft at 1:45AM Feb 07, 2023Observed: 20.71 ft at 2:00AM Feb 07, 2023Observed: 20.74 ft at 2:15AM Feb 07, 2023Observed: 20.73 ft at 2:30AM Feb 07, 2023Observed: 20.72 ft at 2:45AM Feb 07, 2023Observed: 20.74 ft at 3:00AM Feb 07, 2023Observed: 20.79 ft at 3:15AM Feb 07, 2023Observed: 20.76 ft at 3:30AM Feb 07, 2023Observed: 20.73 ft at 3:45AM Feb 07, 2023Observed: 20.7 ft at 4:00AM Feb 07, 2023Observed: 20.82 ft at 4:15AM Feb 07, 2023Observed: 20.81 ft at 4:30AM Feb 07, 2023Observed: 20.77 ft at 4:45AM Feb 07, 2023Observed: 20.73 ft at 5:00AM Feb 07, 2023Observed: 20.76 ft at 5:15AM Feb 07, 2023Observed: 20.76 ft at 5:30AM Feb 07, 2023Observed: 20.71 ft at 5:45AM Feb 07, 2023Observed: 20.75 ft at 6:00AM Feb 07, 2023Observed: 20.82 ft at 6:15AM Feb 07, 2023Observed: 20.8 ft at 6:30AM Feb 07, 2023Observed: 20.8 ft at 6:45AM Feb 07, 2023Observed: 20.82 ft at 7:00AM Feb 07, 2023Observed: 20.84 ft at 7:15AM Feb 07, 2023Observed: 20.86 ft at 7:30AM Feb 07, 2023Observed: 20.86 ft at 7:45AM Feb 07, 2023Observed: 20.89 ft at 8:00AM Feb 07, 2023Observed: 20.91 ft at 8:15AM Feb 07, 2023Observed: 20.87 ft at 8:30AM Feb 07, 2023Observed: 20.94 ft at 8:45AM Feb 07, 2023Observed: 20.95 ft at 9:00AM Feb 07, 2023Observed: 20.93 ft at 9:15AM Feb 07, 2023Observed: 20.92 ft at 9:30AM Feb 07, 2023Highest Observation: 20.98 ft at 9:45AM Feb 07, 2023Observed: 20.92 ft at 10:00AM Feb 07, 2023Observed: 20.9 ft at 10:15AM Feb 07, 2023Observed: 20.88 ft at 10:30AM Feb 07, 2023Observed: 20.87 ft at 10:45AM Feb 07, 2023Observed: 20.86 ft at 11:00AM Feb 07, 2023Observed: 20.86 ft at 11:15AM Feb 07, 2023Observed: 20.83 ft at 11:30AM Feb 07, 2023Observed: 20.71 ft at 11:45AM Feb 07, 2023Observed: 20.72 ft at 12:00PM Feb 07, 2023Observed: 20.83 ft at 12:15PM Feb 07, 2023Observed: 20.78 ft at 12:30PM Feb 07, 2023Observed: 20.66 ft at 12:45PM Feb 07, 2023Observed: 20.71 ft at 1:00PM Feb 07, 2023Observed: 20.86 ft at 1:15PM Feb 07, 2023Observed: 20.81 ft at 1:30PM Feb 07, 2023Observed: 20.79 ft at 1:45PM Feb 07, 2023Observed: 20.76 ft at 2:00PM Feb 07, 2023Observed: 20.67 ft at 2:15PM Feb 07, 2023Observed: 20.84 ft at 2:30PM Feb 07, 2023Observed: 20.85 ft at 2:45PM Feb 07, 2023Observed: 20.78 ft at 3:00PM Feb 07, 2023Observed: 20.8 ft at 3:15PM Feb 07, 2023Observed: 20.83 ft at 3:30PM Feb 07, 2023Observed: 20.84 ft at 3:45PM Feb 07, 2023Observed: 20.79 ft at 4:00PM Feb 07, 2023Observed: 20.79 ft at 4:15PM Feb 07, 2023Observed: 20.79 ft at 4:30PM Feb 07, 2023Observed: 20.81 ft at 4:45PM Feb 07, 2023Observed: 20.81 ft at 5:00PM Feb 07, 2023Observed: 20.75 ft at 5:15PM Feb 07, 2023Observed: 20.77 ft at 5:30PM Feb 07, 2023Observed: 20.86 ft at 5:45PM Feb 07, 2023Observed: 20.83 ft at 6:00PM Feb 07, 2023Observed: 20.8 ft at 6:15PM Feb 07, 2023Observed: 20.83 ft at 6:30PM Feb 07, 2023Observed: 20.82 ft at 6:45PM Feb 07, 2023Observed: 20.84 ft at 7:00PM Feb 07, 2023Observed: 20.79 ft at 7:15PM Feb 07, 2023Observed: 20.75 ft at 7:30PM Feb 07, 2023Observed: 20.75 ft at 7:45PM Feb 07, 2023Observed: 20.7 ft at 8:00PM Feb 07, 2023Observed: 20.69 ft at 8:15PM Feb 07, 2023Observed: 20.69 ft at 8:30PM Feb 07, 2023Observed: 20.58 ft at 8:45PM Feb 07, 2023Observed: 20.61 ft at 9:00PM Feb 07, 2023Observed: 20.69 ft at 9:15PM Feb 07, 2023Observed: 20.67 ft at 9:30PM Feb 07, 2023Observed: 20.65 ft at 9:45PM Feb 07, 2023Observed: 20.71 ft at 10:00PM Feb 07, 2023Observed: 20.67 ft at 10:15PM Feb 07, 2023Observed: 20.79 ft at 10:30PM Feb 07, 2023Observed: 20.85 ft at 10:45PM Feb 07, 2023Observed: 20.57 ft at 11:00PM Feb 07, 2023Observed: 20.82 ft at 11:15PM Feb 07, 2023Observed: 20.85 ft at 11:30PM Feb 07, 2023Observed: 20.88 ft at 11:45PM Feb 07, 2023Observed: 20.81 ft at 12:00AM Feb 08, 2023Observed: 20.77 ft at 12:15AM Feb 08, 2023Observed: 20.76 ft at 12:30AM Feb 08, 2023Observed: 20.76 ft at 12:45AM Feb 08, 2023Observed: 20.76 ft at 1:00AM Feb 08, 2023Observed: 20.77 ft at 1:15AM Feb 08, 2023Observed: 20.76 ft at 1:30AM Feb 08, 2023Observed: 20.75 ft at 1:45AM Feb 08, 2023Observed: 20.76 ft at 2:00AM Feb 08, 2023Observed: 20.77 ft at 2:15AM Feb 08, 2023Observed: 20.76 ft at 2:30AM Feb 08, 2023Observed: 20.76 ft at 2:45AM Feb 08, 2023Observed: 20.73 ft at 3:00AM Feb 08, 2023Observed: 20.77 ft at 3:15AM Feb 08, 2023Observed: 20.78 ft at 3:30AM Feb 08, 2023Observed: 20.78 ft at 3:45AM Feb 08, 2023Observed: 20.78 ft at 4:00AM Feb 08, 2023Observed: 20.78 ft at 4:15AM Feb 08, 2023Observed: 20.8 ft at 4:30AM Feb 08, 2023Observed: 20.78 ft at 4:45AM Feb 08, 2023Observed: 20.72 ft at 5:00AM Feb 08, 2023Observed: 20.73 ft at 5:15AM Feb 08, 2023Observed: 20.79 ft at 5:30AM Feb 08, 2023Observed: 20.78 ft at 5:45AM Feb 08, 2023Observed: 20.75 ft at 6:00AM Feb 08, 2023Observed: 20.76 ft at 6:15AM Feb 08, 2023Observed: 20.77 ft at 6:30AM Feb 08, 2023Observed: 20.78 ft at 6:45AM Feb 08, 2023Observed: 20.76 ft at 7:00AM Feb 08, 2023Observed: 20.75 ft at 7:15AM Feb 08, 2023Observed: 20.69 ft at 7:30AM Feb 08, 2023Observed: 20.7 ft at 7:45AM Feb 08, 2023Observed: 20.74 ft at 8:00AM Feb 08, 2023Observed: 20.7 ft at 8:15AM Feb 08, 2023Observed: 20.66 ft at 8:30AM Feb 08, 2023Observed: 20.65 ft at 8:45AM Feb 08, 2023Observed: 20.66 ft at 9:00AM Feb 08, 2023Observed: 20.71 ft at 9:15AM Feb 08, 2023Observed: 20.69 ft at 9:30AM Feb 08, 2023Observed: 20.72 ft at 9:45AM Feb 08, 2023Observed: 20.67 ft at 10:00AM Feb 08, 2023Observed: 20.67 ft at 10:15AM Feb 08, 2023Observed: 20.76 ft at 10:30AM Feb 08, 2023Observed: 20.73 ft at 10:45AM Feb 08, 2023Observed: 20.7 ft at 11:00AM Feb 08, 2023Observed: 20.77 ft at 11:15AM Feb 08, 2023Observed: 20.72 ft at 11:30AM Feb 08, 2023Observed: 20.73 ft at 11:45AM Feb 08, 2023Observed: 20.72 ft at 12:00PM Feb 08, 2023Observed: 20.69 ft at 12:15PM Feb 08, 2023Observed: 20.7 ft at 12:30PM Feb 08, 2023Observed: 20.75 ft at 12:45PM Feb 08, 2023Observed: 20.72 ft at 1:00PM Feb 08, 2023Observed: 20.7 ft at 1:15PM Feb 08, 2023Observed: 20.71 ft at 1:30PM Feb 08, 2023Observed: 20.73 ft at 1:45PM Feb 08, 2023Observed: 20.68 ft at 2:00PM Feb 08, 2023Observed: 20.72 ft at 2:15PM Feb 08, 2023Observed: 20.73 ft at 2:30PM Feb 08, 2023Observed: 20.76 ft at 2:45PM Feb 08, 2023Observed: 20.71 ft at 3:00PM Feb 08, 2023Observed: 20.74 ft at 3:15PM Feb 08, 2023Observed: 20.78 ft at 3:30PM Feb 08, 2023Observed: 20.74 ft at 3:45PM Feb 08, 2023Observed: 20.73 ft at 4:00PM Feb 08, 2023Observed: 20.74 ft at 4:15PM Feb 08, 2023Observed: 20.7 ft at 4:30PM Feb 08, 2023Observed: 20.68 ft at 4:45PM Feb 08, 2023Observed: 20.77 ft at 5:00PM Feb 08, 2023Observed: 20.74 ft at 5:15PM Feb 08, 2023Observed: 20.74 ft at 5:30PM Feb 08, 2023Observed: 20.75 ft at 5:45PM Feb 08, 2023Observed: 20.81 ft at 6:00PM Feb 08, 2023Observed: 20.81 ft at 6:15PM Feb 08, 2023Observed: 20.74 ft at 6:30PM Feb 08, 2023Observed: 20.83 ft at 6:45PM Feb 08, 2023Observed: 20.93 ft at 7:00PM Feb 08, 2023Observed: 20.92 ft at 7:15PM Feb 08, 2023Observed: 20.92 ft at 7:30PM Feb 08, 2023Observed: 20.91 ft at 7:45PM Feb 08, 2023Observed: 20.84 ft at 8:00PM Feb 08, 2023Observed: 20.91 ft at 8:15PM Feb 08, 2023Observed: 20.88 ft at 8:30PM Feb 08, 2023Observed: 20.85 ft at 8:45PM Feb 08, 2023Observed: 20.84 ft at 9:00PM Feb 08, 2023Observed: 20.79 ft at 9:15PM Feb 08, 2023Observed: 20.75 ft at 9:30PM Feb 08, 2023Observed: 20.81 ft at 9:45PM Feb 08, 2023Observed: 20.79 ft at 10:00PM Feb 08, 2023Observed: 20.76 ft at 10:15PM Feb 08, 2023Observed: 20.77 ft at 10:30PM Feb 08, 2023Observed: 20.79 ft at 10:45PM Feb 08, 2023Observed: 20.73 ft at 11:00PM Feb 08, 2023Observed: 20.76 ft at 11:15PM Feb 08, 2023Observed: 20.8 ft at 11:30PM Feb 08, 2023Observed: 20.81 ft at 11:45PM Feb 08, 2023Observed: 20.8 ft at 12:00AM Feb 09, 2023Observed: 20.79 ft at 12:15AM Feb 09, 2023Observed: 20.76 ft at 12:30AM Feb 09, 2023Observed: 20.84 ft at 12:45AM Feb 09, 2023Observed: 20.9 ft at 1:00AM Feb 09, 2023Observed: 20.89 ft at 1:15AM Feb 09, 2023Observed: 20.91 ft at 1:30AM Feb 09, 2023Observed: 20.94 ft at 1:45AM Feb 09, 2023USGS--Water Resources of the United StatesSNAI2(plotting HGIRG) Graph Created (2:11AM Feb 9, 2023)ObservedLatest observed value: 20.94 ft at 1:45 AM CST 9-Feb-2023.
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Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
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): 18.6

Historic Crests
(1) 32.25 ft on 05/19/2020
(2) 32.16 ft on 05/02/2019
(3) 30.78 ft on 02/21/2018
(4) 27.94 ft on 09/29/2019
(5) 27.36 ft on 05/02/2017

(P): Preliminary values subject to further review.

Recent Crests
(1) 32.25 ft on 05/19/2020
(2) 27.94 ft on 09/29/2019
(3) 32.16 ft on 05/02/2019
(4) 30.78 ft on 02/21/2018
(5) 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
(2) 19.61 ft on 12/29/2020
(3) 19.78 ft on 08/21/2019
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
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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 threaten 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. Agricultural 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
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18.6 Low water levels begin to impact shipping interests along the river.
About This Location Collapse

Latitude: 41.299890° N, Longitude: 88.614190° 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 462.44 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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NWS Information
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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