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Hydrograph River at a Glance Download
Illinois River at Seneca Stage (ft)Observed: 20.42 ft at 7:00PM Jun 28, 2022Observed: 20.29 ft at 7:15PM Jun 28, 2022Observed: 20.38 ft at 7:30PM Jun 28, 2022Observed: 20.53 ft at 7:45PM Jun 28, 2022Observed: 20.48 ft at 8:00PM Jun 28, 2022Observed: 20.43 ft at 8:15PM Jun 28, 2022Observed: 20.48 ft at 8:30PM Jun 28, 2022Observed: 20.51 ft at 8:45PM Jun 28, 2022Observed: 20.48 ft at 9:00PM Jun 28, 2022Observed: 20.36 ft at 9:15PM Jun 28, 2022Observed: 20.37 ft at 9:30PM Jun 28, 2022Observed: 20.5 ft at 9:45PM Jun 28, 2022Observed: 20.49 ft at 10:00PM Jun 28, 2022Observed: 20.43 ft at 10:15PM Jun 28, 2022Observed: 20.44 ft at 10:30PM Jun 28, 2022Observed: 20.38 ft at 10:45PM Jun 28, 2022Observed: 20.4 ft at 11:00PM Jun 28, 2022Observed: 20.5 ft at 11:15PM Jun 28, 2022Observed: 20.47 ft at 11:30PM Jun 28, 2022Observed: 20.47 ft at 11:45PM Jun 28, 2022Observed: 20.46 ft at 12:00AM Jun 29, 2022Observed: 20.5 ft at 12:15AM Jun 29, 2022Observed: 20.54 ft at 12:30AM Jun 29, 2022Observed: 20.48 ft at 12:45AM Jun 29, 2022Observed: 20.51 ft at 1:00AM Jun 29, 2022Observed: 20.49 ft at 1:15AM Jun 29, 2022Observed: 20.51 ft at 1:30AM Jun 29, 2022Observed: 20.51 ft at 1:45AM Jun 29, 2022Observed: 20.49 ft at 2:15AM Jun 29, 2022Observed: 20.49 ft at 2:30AM Jun 29, 2022Observed: 20.52 ft at 2:45AM Jun 29, 2022Observed: 20.51 ft at 3:00AM Jun 29, 2022Observed: 20.49 ft at 3:15AM Jun 29, 2022Observed: 20.52 ft at 3:30AM Jun 29, 2022Observed: 20.56 ft at 3:45AM Jun 29, 2022Observed: 20.52 ft at 4:00AM Jun 29, 2022Observed: 20.55 ft at 4:15AM Jun 29, 2022Observed: 20.52 ft at 4:30AM Jun 29, 2022Observed: 20.54 ft at 4:45AM Jun 29, 2022Observed: 20.53 ft at 5:00AM Jun 29, 2022Observed: 20.55 ft at 5:15AM Jun 29, 2022Observed: 20.58 ft at 5:30AM Jun 29, 2022Observed: 20.58 ft at 5:45AM Jun 29, 2022Observed: 20.59 ft at 6:00AM Jun 29, 2022Observed: 20.58 ft at 6:15AM Jun 29, 2022Observed: 20.59 ft at 6:30AM Jun 29, 2022Observed: 20.6 ft at 6:45AM Jun 29, 2022Observed: 20.63 ft at 7:00AM Jun 29, 2022Observed: 20.62 ft at 7:15AM Jun 29, 2022Observed: 20.6 ft at 7:30AM Jun 29, 2022Observed: 20.61 ft at 7:45AM Jun 29, 2022Observed: 20.67 ft at 8:00AM Jun 29, 2022Observed: 20.61 ft at 8:15AM Jun 29, 2022Observed: 20.6 ft at 8:30AM Jun 29, 2022Observed: 20.67 ft at 8:45AM Jun 29, 2022Observed: 20.64 ft at 9:00AM Jun 29, 2022Observed: 20.65 ft at 9:15AM Jun 29, 2022Observed: 20.63 ft at 9:30AM Jun 29, 2022Observed: 20.52 ft at 9:45AM Jun 29, 2022Observed: 20.56 ft at 10:00AM Jun 29, 2022Observed: 20.67 ft at 10:15AM Jun 29, 2022Observed: 20.63 ft at 10:30AM Jun 29, 2022Observed: 20.6 ft at 10:45AM Jun 29, 2022Observed: 20.64 ft at 11:00AM Jun 29, 2022Observed: 20.69 ft at 11:15AM Jun 29, 2022Observed: 20.56 ft at 11:30AM Jun 29, 2022Observed: 20.63 ft at 11:45AM Jun 29, 2022Observed: 20.76 ft at 12:00PM Jun 29, 2022Observed: 20.68 ft at 12:15PM Jun 29, 2022Observed: 20.58 ft at 12:30PM Jun 29, 2022Observed: 20.62 ft at 12:45PM Jun 29, 2022Observed: 20.72 ft at 2:00PM Jun 29, 2022Observed: 20.67 ft at 2:15PM Jun 29, 2022Observed: 20.55 ft at 2:30PM Jun 29, 2022Observed: 20.64 ft at 2:45PM Jun 29, 2022Observed: 20.69 ft at 3:00PM Jun 29, 2022Observed: 20.67 ft at 3:15PM Jun 29, 2022Observed: 20.65 ft at 3:30PM Jun 29, 2022Observed: 20.65 ft at 3:45PM Jun 29, 2022Observed: 20.56 ft at 4:00PM Jun 29, 2022Observed: 20.65 ft at 4:15PM Jun 29, 2022Observed: 20.66 ft at 4:30PM Jun 29, 2022Observed: 20.63 ft at 4:45PM Jun 29, 2022Observed: 20.62 ft at 5:00PM Jun 29, 2022Observed: 20.65 ft at 5:15PM Jun 29, 2022Observed: 20.6 ft at 5:30PM Jun 29, 2022Observed: 20.51 ft at 5:45PM Jun 29, 2022Observed: 20.55 ft at 6:00PM Jun 29, 2022Observed: 20.64 ft at 6:15PM Jun 29, 2022Observed: 20.61 ft at 6:30PM Jun 29, 2022Observed: 20.6 ft at 6:45PM Jun 29, 2022Observed: 20.58 ft at 7:00PM Jun 29, 2022Observed: 20.59 ft at 7:15PM Jun 29, 2022Observed: 20.67 ft at 7:30PM Jun 29, 2022Observed: 20.66 ft at 7:45PM Jun 29, 2022Observed: 20.65 ft at 8:00PM Jun 29, 2022Observed: 20.51 ft at 8:15PM Jun 29, 2022Observed: 20.56 ft at 8:30PM Jun 29, 2022Observed: 20.61 ft at 8:45PM Jun 29, 2022Observed: 20.62 ft at 9:00PM Jun 29, 2022Observed: 20.52 ft at 9:15PM Jun 29, 2022Observed: 20.59 ft at 9:30PM Jun 29, 2022Observed: 20.6 ft at 9:45PM Jun 29, 2022Observed: 20.61 ft at 10:00PM Jun 29, 2022Observed: 20.56 ft at 10:15PM Jun 29, 2022Observed: 20.56 ft at 10:30PM Jun 29, 2022Observed: 20.59 ft at 10:45PM Jun 29, 2022Observed: 20.59 ft at 11:00PM Jun 29, 2022Observed: 20.56 ft at 11:15PM Jun 29, 2022Observed: 20.54 ft at 11:30PM Jun 29, 2022Observed: 20.61 ft at 11:45PM Jun 29, 2022Observed: 20.61 ft at 12:00AM Jun 30, 2022Observed: 20.58 ft at 12:15AM Jun 30, 2022Observed: 20.6 ft at 12:30AM Jun 30, 2022Observed: 20.63 ft at 12:45AM Jun 30, 2022Observed: 20.62 ft at 1:00AM Jun 30, 2022Observed: 20.62 ft at 1:15AM Jun 30, 2022Observed: 20.63 ft at 1:30AM Jun 30, 2022Observed: 20.64 ft at 1:45AM Jun 30, 2022Observed: 20.64 ft at 2:00AM Jun 30, 2022Observed: 20.61 ft at 2:15AM Jun 30, 2022Observed: 20.55 ft at 2:30AM Jun 30, 2022Observed: 20.63 ft at 2:45AM Jun 30, 2022Observed: 20.63 ft at 3:00AM Jun 30, 2022Observed: 20.59 ft at 3:15AM Jun 30, 2022Observed: 20.57 ft at 3:30AM Jun 30, 2022Observed: 20.52 ft at 3:45AM Jun 30, 2022Observed: 20.51 ft at 4:00AM Jun 30, 2022Observed: 20.57 ft at 4:15AM Jun 30, 2022Observed: 20.57 ft at 4:30AM Jun 30, 2022Observed: 20.54 ft at 4:45AM Jun 30, 2022Observed: 20.55 ft at 5:00AM Jun 30, 2022Observed: 20.53 ft at 5:15AM Jun 30, 2022Observed: 20.58 ft at 5:30AM Jun 30, 2022Observed: 20.57 ft at 5:45AM Jun 30, 2022Observed: 20.53 ft at 6:00AM Jun 30, 2022Observed: 20.44 ft at 6:15AM Jun 30, 2022Observed: 20.51 ft at 6:30AM Jun 30, 2022Observed: 20.52 ft at 6:45AM Jun 30, 2022Observed: 20.52 ft at 7:00AM Jun 30, 2022Observed: 20.52 ft at 7:15AM Jun 30, 2022Observed: 20.43 ft at 7:30AM Jun 30, 2022Observed: 20.46 ft at 7:45AM Jun 30, 2022Observed: 20.57 ft at 8:00AM Jun 30, 2022Observed: 20.53 ft at 8:15AM Jun 30, 2022Observed: 20.43 ft at 8:30AM Jun 30, 2022Observed: 20.49 ft at 8:45AM Jun 30, 2022Observed: 20.61 ft at 9:00AM Jun 30, 2022Observed: 20.59 ft at 9:15AM Jun 30, 2022Observed: 20.48 ft at 9:30AM Jun 30, 2022Observed: 20.45 ft at 9:45AM Jun 30, 2022Observed: 20.6 ft at 10:00AM Jun 30, 2022Observed: 20.58 ft at 10:15AM Jun 30, 2022Observed: 20.34 ft at 10:30AM Jun 30, 2022Observed: 20.37 ft at 10:45AM Jun 30, 2022Observed: 20.49 ft at 11:00AM Jun 30, 2022Observed: 20.57 ft at 11:15AM Jun 30, 2022Observed: 20.55 ft at 11:30AM Jun 30, 2022Observed: 20.36 ft at 11:45AM Jun 30, 2022Observed: 20.47 ft at 12:00PM Jun 30, 2022Observed: 20.6 ft at 12:15PM Jun 30, 2022Observed: 20.56 ft at 12:30PM Jun 30, 2022Observed: 20.49 ft at 12:45PM Jun 30, 2022Observed: 20.5 ft at 1:00PM Jun 30, 2022Observed: 20.59 ft at 1:15PM Jun 30, 2022Observed: 20.65 ft at 1:30PM Jun 30, 2022Observed: 20.6 ft at 1:45PM Jun 30, 2022Observed: 20.57 ft at 2:00PM Jun 30, 2022Observed: 20.56 ft at 2:15PM Jun 30, 2022Observed: 20.55 ft at 2:30PM Jun 30, 2022Observed: 20.65 ft at 2:45PM Jun 30, 2022Observed: 20.66 ft at 3:00PM Jun 30, 2022Observed: 20.63 ft at 3:15PM Jun 30, 2022Observed: 20.66 ft at 3:30PM Jun 30, 2022Observed: 20.6 ft at 3:45PM Jun 30, 2022Observed: 20.62 ft at 4:00PM Jun 30, 2022Observed: 20.69 ft at 4:15PM Jun 30, 2022Observed: 20.63 ft at 4:30PM Jun 30, 2022Observed: 20.68 ft at 4:45PM Jun 30, 2022Observed: 20.72 ft at 5:00PM Jun 30, 2022Observed: 20.58 ft at 5:15PM Jun 30, 2022Observed: 20.62 ft at 5:30PM Jun 30, 2022Observed: 20.66 ft at 5:45PM Jun 30, 2022Observed: 20.62 ft at 6:00PM Jun 30, 2022Observed: 20.6 ft at 6:15PM Jun 30, 2022Observed: 20.54 ft at 6:30PM Jun 30, 2022Observed: 20.59 ft at 6:45PM Jun 30, 2022Observed: 20.61 ft at 7:00PM Jun 30, 2022Observed: 20.5 ft at 7:15PM Jun 30, 2022Observed: 20.49 ft at 7:30PM Jun 30, 2022Observed: 20.56 ft at 7:45PM Jun 30, 2022Observed: 20.55 ft at 8:00PM Jun 30, 2022Observed: 20.55 ft at 8:15PM Jun 30, 2022Observed: 20.52 ft at 8:30PM Jun 30, 2022Observed: 20.45 ft at 8:45PM Jun 30, 2022Observed: 20.56 ft at 9:00PM Jun 30, 2022Observed: 20.6 ft at 9:15PM Jun 30, 2022Observed: 20.6 ft at 9:30PM Jun 30, 2022Observed: 20.59 ft at 9:45PM Jun 30, 2022Observed: 20.6 ft at 10:00PM Jun 30, 2022Observed: 20.62 ft at 10:15PM Jun 30, 2022Observed: 20.59 ft at 10:30PM Jun 30, 2022Observed: 20.5 ft at 10:45PM Jun 30, 2022Observed: 20.59 ft at 11:00PM Jun 30, 2022Observed: 20.66 ft at 11:15PM Jun 30, 2022Observed: 20.58 ft at 11:30PM Jun 30, 2022Observed: 20.58 ft at 11:45PM Jun 30, 2022Observed: 20.62 ft at 1:00AM Jul 01, 2022Observed: 20.35 ft at 1:15AM Jul 01, 2022Observed: 20.55 ft at 1:30AM Jul 01, 2022Observed: 20.49 ft at 1:45AM Jul 01, 2022Observed: 20.51 ft at 2:00AM Jul 01, 2022Observed: 20.59 ft at 2:15AM Jul 01, 2022Observed: 20.6 ft at 2:30AM Jul 01, 2022Observed: 20.55 ft at 2:45AM Jul 01, 2022Observed: 20.56 ft at 3:00AM Jul 01, 2022Observed: 20.55 ft at 3:15AM Jul 01, 2022Observed: 20.5 ft at 3:30AM Jul 01, 2022Observed: 20.5 ft at 3:45AM Jul 01, 2022Observed: 20.64 ft at 4:00AM Jul 01, 2022Observed: 20.55 ft at 4:15AM Jul 01, 2022Observed: 20.53 ft at 4:30AM Jul 01, 2022Observed: 20.56 ft at 4:45AM Jul 01, 2022Observed: 20.56 ft at 5:00AM Jul 01, 2022Observed: 20.52 ft at 5:15AM Jul 01, 2022Observed: 20.5 ft at 5:30AM Jul 01, 2022Observed: 20.52 ft at 5:45AM Jul 01, 2022Observed: 20.54 ft at 6:00AM Jul 01, 2022Observed: 20.51 ft at 6:15AM Jul 01, 2022Observed: 20.5 ft at 6:30AM Jul 01, 2022Observed: 20.49 ft at 6:45AM Jul 01, 2022Observed: 20.49 ft at 7:00AM Jul 01, 2022Observed: 20.54 ft at 7:15AM Jul 01, 2022Observed: 20.5 ft at 7:30AM Jul 01, 2022Observed: 20.48 ft at 7:45AM Jul 01, 2022Observed: 20.51 ft at 8:00AM Jul 01, 2022Observed: 20.51 ft at 8:15AM Jul 01, 2022Observed: 20.52 ft at 8:30AM Jul 01, 2022Observed: 20.52 ft at 8:45AM Jul 01, 2022Observed: 20.51 ft at 9:00AM Jul 01, 2022Observed: 20.47 ft at 9:15AM Jul 01, 2022Observed: 20.52 ft at 9:30AM Jul 01, 2022Observed: 20.53 ft at 9:45AM Jul 01, 2022Observed: 20.53 ft at 10:00AM Jul 01, 2022Observed: 20.52 ft at 10:15AM Jul 01, 2022Observed: 20.52 ft at 10:30AM Jul 01, 2022Observed: 20.53 ft at 10:45AM Jul 01, 2022Observed: 20.43 ft at 11:00AM Jul 01, 2022Observed: 20.47 ft at 11:15AM Jul 01, 2022Observed: 20.55 ft at 11:30AM Jul 01, 2022Observed: 20.53 ft at 11:45AM Jul 01, 2022Observed: 20.48 ft at 12:00PM Jul 01, 2022Observed: 20.51 ft at 12:15PM Jul 01, 2022Observed: 20.55 ft at 12:30PM Jul 01, 2022Observed: 20.54 ft at 12:45PM Jul 01, 2022Observed: 20.51 ft at 1:00PM Jul 01, 2022Observed: 20.51 ft at 1:15PM Jul 01, 2022Observed: 20.55 ft at 1:30PM Jul 01, 2022Observed: 20.57 ft at 1:45PM Jul 01, 2022Observed: 20.56 ft at 2:00PM Jul 01, 2022Observed: 20.58 ft at 2:15PM Jul 01, 2022Observed: 20.5 ft at 2:30PM Jul 01, 2022Observed: 20.61 ft at 2:45PM Jul 01, 2022Observed: 20.62 ft at 3:00PM Jul 01, 2022Observed: 20.68 ft at 3:15PM Jul 01, 2022Observed: 20.68 ft at 3:30PM Jul 01, 2022Observed: 20.7 ft at 3:45PM Jul 01, 2022Observed: 20.68 ft at 4:00PM Jul 01, 2022Observed: 20.68 ft at 4:15PM Jul 01, 2022Observed: 20.65 ft at 4:30PM Jul 01, 2022Observed: 20.66 ft at 4:45PM Jul 01, 2022Observed: 20.72 ft at 5:00PM Jul 01, 2022Observed: 20.7 ft at 5:15PM Jul 01, 2022Observed: 20.61 ft at 5:30PM Jul 01, 2022Observed: 20.69 ft at 5:45PM Jul 01, 2022Observed: 20.75 ft at 6:00PM Jul 01, 2022Observed: 20.74 ft at 6:15PM Jul 01, 2022Observed: 20.72 ft at 6:30PM Jul 01, 2022Observed: 20.73 ft at 6:45PM Jul 01, 2022Observed: 20.68 ft at 7:00PM Jul 01, 2022Observed: 20.73 ft at 7:15PM Jul 01, 2022Observed: 20.76 ft at 7:30PM Jul 01, 2022Observed: 20.74 ft at 7:45PM Jul 01, 2022Observed: 20.67 ft at 8:00PM Jul 01, 2022Observed: 20.7 ft at 8:15PM Jul 01, 2022Observed: 20.69 ft at 8:30PM Jul 01, 2022Observed: 20.67 ft at 8:45PM Jul 01, 2022Observed: 20.64 ft at 9:00PM Jul 01, 2022Observed: 20.65 ft at 9:15PM Jul 01, 2022Observed: 20.63 ft at 9:30PM Jul 01, 2022Observed: 20.61 ft at 9:45PM Jul 01, 2022Observed: 20.49 ft at 10:00PM Jul 01, 2022Observed: 20.54 ft at 10:15PM Jul 01, 2022Observed: 20.59 ft at 10:30PM Jul 01, 2022Observed: 20.54 ft at 10:45PM Jul 01, 2022Observed: 20.48 ft at 11:00PM Jul 01, 2022Observed: 20.53 ft at 11:15PM Jul 01, 2022Observed: 20.53 ft at 11:30PM Jul 01, 2022Observed: 20.46 ft at 11:45PM Jul 01, 2022Observed: 20.51 ft at 12:00AM Jul 02, 2022Observed: 20.6 ft at 12:15AM Jul 02, 2022Observed: 20.57 ft at 12:30AM Jul 02, 2022Observed: 20.44 ft at 12:45AM Jul 02, 2022Observed: 20.54 ft at 1:00AM Jul 02, 2022Observed: 20.64 ft at 1:15AM Jul 02, 2022Observed: 20.58 ft at 1:30AM Jul 02, 2022Observed: 20.45 ft at 1:45AM Jul 02, 2022Observed: 20.54 ft at 2:00AM Jul 02, 2022Observed: 20.62 ft at 2:15AM Jul 02, 2022Observed: 20.59 ft at 2:30AM Jul 02, 2022Observed: 20.56 ft at 2:45AM Jul 02, 2022Observed: 20.57 ft at 3:00AM Jul 02, 2022Observed: 20.54 ft at 3:15AM Jul 02, 2022Observed: 20.56 ft at 3:30AM Jul 02, 2022Observed: 20.61 ft at 3:45AM Jul 02, 2022Observed: 20.58 ft at 4:00AM Jul 02, 2022Observed: 20.57 ft at 4:15AM Jul 02, 2022Observed: 20.57 ft at 4:30AM Jul 02, 2022Observed: 20.6 ft at 4:45AM Jul 02, 2022Observed: 20.59 ft at 5:00AM Jul 02, 2022Observed: 20.57 ft at 5:15AM Jul 02, 2022Observed: 20.59 ft at 5:30AM Jul 02, 2022Observed: 20.5 ft at 5:45AM Jul 02, 2022Observed: 20.55 ft at 6:00AM Jul 02, 2022Observed: 20.63 ft at 6:15AM Jul 02, 2022Observed: 20.59 ft at 6:30AM Jul 02, 2022Observed: 20.58 ft at 6:45AM Jul 02, 2022Observed: 20.57 ft at 7:00AM Jul 02, 2022Observed: 20.49 ft at 7:15AM Jul 02, 2022Observed: 20.58 ft at 7:30AM Jul 02, 2022Observed: 20.62 ft at 7:45AM Jul 02, 2022Observed: 20.58 ft at 8:00AM Jul 02, 2022Observed: 20.57 ft at 8:15AM Jul 02, 2022Observed: 20.46 ft at 8:30AM Jul 02, 2022Observed: 20.51 ft at 8:45AM Jul 02, 2022Observed: 20.61 ft at 9:00AM Jul 02, 2022Observed: 20.54 ft at 9:15AM Jul 02, 2022Observed: 20.5 ft at 9:30AM Jul 02, 2022Observed: 20.44 ft at 9:45AM Jul 02, 2022Observed: 20.46 ft at 10:00AM Jul 02, 2022Observed: 20.51 ft at 10:15AM Jul 02, 2022Observed: 20.53 ft at 10:30AM Jul 02, 2022Observed: 20.44 ft at 10:45AM Jul 02, 2022Observed: 20.41 ft at 11:00AM Jul 02, 2022Observed: 20.41 ft at 11:15AM Jul 02, 2022Observed: 20.51 ft at 11:30AM Jul 02, 2022Observed: 20.49 ft at 11:45AM Jul 02, 2022Observed: 20.41 ft at 12:00PM Jul 02, 2022Observed: 20.39 ft at 12:15PM Jul 02, 2022Observed: 20.37 ft at 12:30PM Jul 02, 2022Observed: 20.46 ft at 12:45PM Jul 02, 2022Observed: 20.38 ft at 1:00PM Jul 02, 2022Observed: 20.29 ft at 1:15PM Jul 02, 2022Observed: 20.41 ft at 1:30PM Jul 02, 2022Observed: 20.51 ft at 1:45PM Jul 02, 2022Observed: 20.49 ft at 2:00PM Jul 02, 2022Observed: 20.42 ft at 2:15PM Jul 02, 2022Observed: 20.39 ft at 2:30PM Jul 02, 2022Observed: 20.44 ft at 2:45PM Jul 02, 2022Observed: 20.48 ft at 3:00PM Jul 02, 2022Observed: 20.41 ft at 3:15PM Jul 02, 2022Observed: 20.38 ft at 3:30PM Jul 02, 2022Observed: 20.49 ft at 3:45PM Jul 02, 2022Observed: 20.45 ft at 4:00PM Jul 02, 2022Observed: 20.33 ft at 4:15PM Jul 02, 2022Observed: 20.4 ft at 4:30PM Jul 02, 2022Observed: 20.46 ft at 4:45PM Jul 02, 2022Observed: 20.39 ft at 5:00PM Jul 02, 2022Observed: 20.43 ft at 5:15PM Jul 02, 2022Observed: 20.48 ft at 5:30PM Jul 02, 2022Observed: 20.48 ft at 5:45PM Jul 02, 2022Observed: 20.41 ft at 6:00PM Jul 02, 2022Observed: 20.24 ft at 6:15PM Jul 02, 2022Observed: 20.43 ft at 6:30PM Jul 02, 2022Observed: 20.58 ft at 6:45PM Jul 02, 2022Observed: 20.51 ft at 7:00PM Jul 02, 2022Observed: 20.52 ft at 7:15PM Jul 02, 2022Observed: 20.24 ft at 7:30PM Jul 02, 2022Observed: 20.5 ft at 7:45PM Jul 02, 2022Observed: 20.63 ft at 8:00PM Jul 02, 2022Observed: 20.57 ft at 8:15PM Jul 02, 2022Observed: 20.41 ft at 8:30PM Jul 02, 2022Observed: 20.52 ft at 8:45PM Jul 02, 2022Observed: 20.62 ft at 9:00PM Jul 02, 2022Observed: 20.57 ft at 9:15PM Jul 02, 2022Observed: 20.47 ft at 9:30PM Jul 02, 2022Observed: 20.48 ft at 9:45PM Jul 02, 2022Observed: 20.59 ft at 10:00PM Jul 02, 2022Observed: 20.58 ft at 10:15PM Jul 02, 2022Observed: 20.51 ft at 10:30PM Jul 02, 2022Observed: 20.5 ft at 10:45PM Jul 02, 2022Observed: 20.53 ft at 11:00PM Jul 02, 2022Observed: 20.42 ft at 11:15PM Jul 02, 2022Observed: 20.48 ft at 11:30PM Jul 02, 2022Observed: 20.53 ft at 11:45PM Jul 02, 2022Observed: 20.5 ft at 12:00AM Jul 03, 2022Observed: 20.48 ft at 12:15AM Jul 03, 2022Observed: 20.54 ft at 12:30AM Jul 03, 2022Observed: 20.56 ft at 12:45AM Jul 03, 2022Observed: 20.51 ft at 1:00AM Jul 03, 2022Observed: 20.47 ft at 1:15AM Jul 03, 2022Observed: 20.6 ft at 1:30AM Jul 03, 2022Observed: 20.63 ft at 1:45AM Jul 03, 2022Observed: 20.59 ft at 2:00AM Jul 03, 2022Observed: 20.6 ft at 2:15AM Jul 03, 2022Observed: 20.63 ft at 2:30AM Jul 03, 2022Observed: 20.54 ft at 2:45AM Jul 03, 2022Observed: 20.57 ft at 3:00AM Jul 03, 2022Observed: 20.65 ft at 3:15AM Jul 03, 2022Observed: 20.66 ft at 3:30AM Jul 03, 2022Observed: 20.59 ft at 3:45AM Jul 03, 2022Observed: 20.6 ft at 4:00AM Jul 03, 2022Observed: 20.62 ft at 4:15AM Jul 03, 2022Observed: 20.6 ft at 4:30AM Jul 03, 2022Observed: 20.57 ft at 4:45AM Jul 03, 2022Observed: 20.59 ft at 5:00AM Jul 03, 2022Observed: 20.57 ft at 5:15AM Jul 03, 2022Observed: 20.51 ft at 5:30AM Jul 03, 2022Observed: 20.63 ft at 5:45AM Jul 03, 2022Observed: 20.6 ft at 6:00AM Jul 03, 2022Observed: 20.52 ft at 6:15AM Jul 03, 2022Observed: 20.51 ft at 6:30AM Jul 03, 2022Observed: 20.65 ft at 6:45AM Jul 03, 2022Observed: 20.61 ft at 7:00AM Jul 03, 2022Observed: 20.57 ft at 7:15AM Jul 03, 2022Observed: 20.56 ft at 7:30AM Jul 03, 2022Observed: 20.61 ft at 7:45AM Jul 03, 2022Observed: 20.63 ft at 8:00AM Jul 03, 2022Observed: 20.6 ft at 8:15AM Jul 03, 2022Observed: 20.57 ft at 8:30AM Jul 03, 2022Observed: 20.61 ft at 8:45AM Jul 03, 2022Observed: 20.62 ft at 9:00AM Jul 03, 2022Observed: 20.6 ft at 9:15AM Jul 03, 2022Observed: 20.61 ft at 9:30AM Jul 03, 2022Observed: 20.64 ft at 9:45AM Jul 03, 2022Observed: 20.6 ft at 10:00AM Jul 03, 2022Observed: 20.58 ft at 10:15AM Jul 03, 2022Observed: 20.51 ft at 10:30AM Jul 03, 2022Observed: 20.64 ft at 10:45AM Jul 03, 2022Observed: 20.67 ft at 11:00AM Jul 03, 2022Observed: 20.6 ft at 11:15AM Jul 03, 2022Observed: 20.53 ft at 11:30AM Jul 03, 2022Observed: 20.59 ft at 11:45AM Jul 03, 2022Observed: 20.7 ft at 12:00PM Jul 03, 2022Observed: 20.65 ft at 12:15PM Jul 03, 2022Observed: 20.59 ft at 12:30PM Jul 03, 2022Observed: 20.67 ft at 12:45PM Jul 03, 2022Observed: 20.68 ft at 1:00PM Jul 03, 2022Observed: 20.7 ft at 1:15PM Jul 03, 2022Observed: 20.62 ft at 1:30PM Jul 03, 2022Observed: 20.69 ft at 1:45PM Jul 03, 2022Observed: 20.56 ft at 2:00PM Jul 03, 2022Observed: 20.66 ft at 2:15PM Jul 03, 2022Observed: 20.54 ft at 2:30PM Jul 03, 2022Observed: 20.68 ft at 2:45PM Jul 03, 2022Observed: 20.69 ft at 3:00PM Jul 03, 2022Observed: 20.72 ft at 3:15PM Jul 03, 2022Observed: 20.66 ft at 3:30PM Jul 03, 2022Observed: 20.68 ft at 3:45PM Jul 03, 2022Observed: 20.68 ft at 4:00PM Jul 03, 2022Observed: 20.6 ft at 4:15PM Jul 03, 2022Observed: 20.69 ft at 4:30PM Jul 03, 2022Observed: 20.68 ft at 4:45PM Jul 03, 2022Observed: 20.67 ft at 5:00PM Jul 03, 2022Observed: 20.64 ft at 5:15PM Jul 03, 2022Observed: 20.55 ft at 5:30PM Jul 03, 2022Observed: 20.59 ft at 5:45PM Jul 03, 2022Observed: 20.64 ft at 6:00PM Jul 03, 2022Observed: 20.65 ft at 6:15PM Jul 03, 2022Observed: 20.49 ft at 6:30PM Jul 03, 2022Observed: 20.53 ft at 6:45PM Jul 03, 2022Observed: 20.63 ft at 7:00PM Jul 03, 2022Observed: 20.59 ft at 7:15PM Jul 03, 2022Observed: 20.53 ft at 7:30PM Jul 03, 2022Observed: 20.52 ft at 7:45PM Jul 03, 2022Observed: 20.5 ft at 8:00PM Jul 03, 2022Observed: 20.55 ft at 8:15PM Jul 03, 2022Observed: 20.56 ft at 8:30PM Jul 03, 2022Observed: 20.53 ft at 8:45PM Jul 03, 2022Observed: 20.5 ft at 9:00PM Jul 03, 2022Observed: 20.49 ft at 9:15PM Jul 03, 2022Observed: 20.57 ft at 9:30PM Jul 03, 2022Observed: 20.62 ft at 9:45PM Jul 03, 2022Observed: 20.6 ft at 10:00PM Jul 03, 2022Observed: 20.57 ft at 10:15PM Jul 03, 2022Observed: 20.61 ft at 10:30PM Jul 03, 2022Observed: 20.61 ft at 10:45PM Jul 03, 2022Observed: 20.62 ft at 11:00PM Jul 03, 2022Observed: 20.56 ft at 11:15PM Jul 03, 2022Observed: 20.56 ft at 11:30PM Jul 03, 2022Observed: 20.53 ft at 11:45PM Jul 03, 2022Observed: 20.51 ft at 12:00AM Jul 04, 2022Observed: 20.61 ft at 12:15AM Jul 04, 2022Observed: 20.61 ft at 12:30AM Jul 04, 2022Observed: 20.56 ft at 12:45AM Jul 04, 2022Observed: 20.55 ft at 1:00AM Jul 04, 2022Observed: 20.5 ft at 1:15AM Jul 04, 2022Observed: 20.6 ft at 1:30AM Jul 04, 2022Observed: 20.62 ft at 1:45AM Jul 04, 2022Observed: 20.66 ft at 2:00AM Jul 04, 2022Observed: 20.55 ft at 2:15AM Jul 04, 2022Observed: 20.56 ft at 2:30AM Jul 04, 2022Observed: 20.5 ft at 2:45AM Jul 04, 2022Observed: 20.53 ft at 3:00AM Jul 04, 2022Observed: 20.57 ft at 3:15AM Jul 04, 2022Observed: 20.56 ft at 3:30AM Jul 04, 2022Observed: 20.55 ft at 3:45AM Jul 04, 2022Observed: 20.58 ft at 4:00AM Jul 04, 2022Observed: 20.52 ft at 4:15AM Jul 04, 2022Observed: 20.47 ft at 4:30AM Jul 04, 2022Observed: 20.54 ft at 4:45AM Jul 04, 2022Observed: 20.58 ft at 5:00AM Jul 04, 2022Observed: 20.55 ft at 5:15AM Jul 04, 2022Observed: 20.47 ft at 5:30AM Jul 04, 2022Observed: 20.56 ft at 5:45AM Jul 04, 2022Observed: 20.63 ft at 6:00AM Jul 04, 2022Observed: 20.56 ft at 6:15AM Jul 04, 2022Observed: 20.55 ft at 6:30AM Jul 04, 2022Observed: 20.52 ft at 6:45AM Jul 04, 2022Observed: 20.52 ft at 7:00AM Jul 04, 2022Observed: 20.59 ft at 7:15AM Jul 04, 2022Observed: 20.59 ft at 7:30AM Jul 04, 2022Observed: 20.57 ft at 7:45AM Jul 04, 2022Observed: 20.58 ft at 8:00AM Jul 04, 2022Observed: 20.6 ft at 8:15AM Jul 04, 2022Observed: 20.59 ft at 8:30AM Jul 04, 2022Observed: 20.5 ft at 8:45AM Jul 04, 2022Observed: 20.56 ft at 9:00AM Jul 04, 2022Observed: 20.64 ft at 9:15AM Jul 04, 2022Observed: 20.6 ft at 9:30AM Jul 04, 2022Observed: 20.58 ft at 9:45AM Jul 04, 2022Observed: 20.61 ft at 10:00AM Jul 04, 2022Observed: 20.64 ft at 10:15AM Jul 04, 2022Observed: 20.62 ft at 10:30AM Jul 04, 2022Observed: 20.61 ft at 10:45AM Jul 04, 2022Observed: 20.62 ft at 11:00AM Jul 04, 2022Observed: 20.63 ft at 11:15AM Jul 04, 2022Observed: 20.6 ft at 11:30AM Jul 04, 2022Observed: 20.5 ft at 11:45AM Jul 04, 2022Observed: 20.56 ft at 12:00PM Jul 04, 2022Observed: 20.63 ft at 12:15PM Jul 04, 2022Observed: 20.58 ft at 12:30PM Jul 04, 2022Observed: 20.54 ft at 12:45PM Jul 04, 2022Observed: 20.53 ft at 1:00PM Jul 04, 2022Observed: 20.5 ft at 1:15PM Jul 04, 2022Observed: 20.58 ft at 1:30PM Jul 04, 2022Observed: 20.52 ft at 1:45PM Jul 04, 2022Observed: 20.49 ft at 2:00PM Jul 04, 2022Observed: 20.41 ft at 2:15PM Jul 04, 2022Observed: 20.51 ft at 2:30PM Jul 04, 2022Observed: 20.54 ft at 2:45PM Jul 04, 2022Observed: 20.48 ft at 3:00PM Jul 04, 2022Observed: 20.48 ft at 3:15PM Jul 04, 2022Observed: 20.53 ft at 3:30PM Jul 04, 2022Observed: 20.47 ft at 3:45PM Jul 04, 2022Observed: 20.47 ft at 4:00PM Jul 04, 2022Observed: 20.44 ft at 4:15PM Jul 04, 2022Observed: 20.42 ft at 4:30PM Jul 04, 2022Observed: 20.46 ft at 4:45PM Jul 04, 2022Observed: 20.46 ft at 5:00PM Jul 04, 2022Observed: 20.36 ft at 5:15PM Jul 04, 2022Observed: 20.48 ft at 5:30PM Jul 04, 2022Observed: 20.51 ft at 5:45PM Jul 04, 2022Observed: 20.51 ft at 6:00PM Jul 04, 2022Observed: 20.5 ft at 6:15PM Jul 04, 2022Observed: 20.54 ft at 6:30PM Jul 04, 2022Observed: 20.54 ft at 6:45PM Jul 04, 2022Observed: 20.55 ft at 7:00PM Jul 04, 2022Observed: 20.55 ft at 7:15PM Jul 04, 2022Observed: 20.6 ft at 7:30PM Jul 04, 2022Observed: 20.63 ft at 7:45PM Jul 04, 2022Observed: 20.61 ft at 8:00PM Jul 04, 2022Observed: 20.57 ft at 8:15PM Jul 04, 2022Observed: 20.62 ft at 8:30PM Jul 04, 2022Observed: 20.58 ft at 8:45PM Jul 04, 2022Observed: 20.66 ft at 9:00PM Jul 04, 2022Observed: 20.67 ft at 9:15PM Jul 04, 2022Observed: 20.6 ft at 9:30PM Jul 04, 2022Observed: 20.58 ft at 9:45PM Jul 04, 2022Observed: 20.69 ft at 10:00PM Jul 04, 2022Observed: 20.73 ft at 10:15PM Jul 04, 2022Observed: 20.69 ft at 10:30PM Jul 04, 2022Observed: 20.69 ft at 10:45PM Jul 04, 2022Observed: 20.73 ft at 11:00PM Jul 04, 2022Observed: 20.65 ft at 11:15PM Jul 04, 2022Observed: 20.71 ft at 11:30PM Jul 04, 2022Observed: 20.76 ft at 11:45PM Jul 04, 2022Observed: 20.71 ft at 12:00AM Jul 05, 2022Observed: 20.68 ft at 12:15AM Jul 05, 2022Observed: 20.68 ft at 12:30AM Jul 05, 2022Observed: 20.71 ft at 12:45AM Jul 05, 2022Observed: 20.59 ft at 1:00AM Jul 05, 2022Observed: 20.62 ft at 1:15AM Jul 05, 2022Observed: 20.71 ft at 1:30AM Jul 05, 2022Observed: 20.64 ft at 1:45AM Jul 05, 2022Observed: 20.56 ft at 2:00AM Jul 05, 2022Observed: 20.62 ft at 2:15AM Jul 05, 2022Observed: 20.66 ft at 2:30AM Jul 05, 2022Observed: 20.53 ft at 2:45AM Jul 05, 2022Observed: 20.57 ft at 3:00AM Jul 05, 2022Observed: 20.63 ft at 3:15AM Jul 05, 2022Observed: 20.59 ft at 3:30AM Jul 05, 2022Observed: 20.56 ft at 3:45AM Jul 05, 2022Observed: 20.53 ft at 4:00AM Jul 05, 2022Observed: 20.57 ft at 4:15AM Jul 05, 2022Observed: 20.53 ft at 4:30AM Jul 05, 2022Observed: 20.49 ft at 4:45AM Jul 05, 2022Observed: 20.48 ft at 5:00AM Jul 05, 2022Observed: 20.48 ft at 5:15AM Jul 05, 2022Observed: 20.45 ft at 5:30AM Jul 05, 2022Observed: 20.45 ft at 5:45AM Jul 05, 2022Observed: 20.49 ft at 6:00AM Jul 05, 2022Observed: 20.48 ft at 6:15AM Jul 05, 2022Observed: 20.5 ft at 6:30AM Jul 05, 2022Observed: 20.53 ft at 6:45AM Jul 05, 2022Observed: 20.52 ft at 7:00AM Jul 05, 2022Observed: 20.55 ft at 7:15AM Jul 05, 2022Observed: 20.49 ft at 7:30AM Jul 05, 2022Observed: 20.63 ft at 7:45AM Jul 05, 2022Observed: 20.67 ft at 8:00AM Jul 05, 2022Observed: 20.68 ft at 8:15AM Jul 05, 2022Observed: 20.64 ft at 8:30AM Jul 05, 2022Observed: 20.7 ft at 8:45AM Jul 05, 2022Observed: 20.63 ft at 9:00AM Jul 05, 2022Observed: 20.76 ft at 9:15AM Jul 05, 2022Observed: 20.81 ft at 9:30AM Jul 05, 2022Observed: 20.79 ft at 9:45AM Jul 05, 2022Observed: 20.72 ft at 10:00AM Jul 05, 2022Observed: 20.82 ft at 10:15AM Jul 05, 2022Observed: 20.82 ft at 10:30AM Jul 05, 2022Observed: 20.8 ft at 10:45AM Jul 05, 2022Observed: 20.74 ft at 11:00AM Jul 05, 2022Observed: 20.78 ft at 11:15AM Jul 05, 2022Observed: 20.83 ft at 11:30AM Jul 05, 2022Observed: 20.82 ft at 11:45AM Jul 05, 2022Observed: 20.81 ft at 12:00PM Jul 05, 2022Observed: 20.84 ft at 12:15PM Jul 05, 2022Observed: 20.8 ft at 12:30PM Jul 05, 2022Observed: 20.8 ft at 12:45PM Jul 05, 2022Observed: 20.87 ft at 1:00PM Jul 05, 2022Observed: 20.87 ft at 1:15PM Jul 05, 2022Observed: 20.86 ft at 1:30PM Jul 05, 2022Highest Observation: 20.9 ft at 1:45PM Jul 05, 2022Observed: 20.86 ft at 2:00PM Jul 05, 2022Observed: 20.83 ft at 2:15PM Jul 05, 2022Observed: 20.87 ft at 2:30PM Jul 05, 2022Observed: 20.89 ft at 2:45PM Jul 05, 2022Observed: 20.84 ft at 3:00PM Jul 05, 2022Observed: 20.83 ft at 3:15PM Jul 05, 2022Observed: 20.83 ft at 3:30PM Jul 05, 2022Observed: 20.68 ft at 3:45PM Jul 05, 2022Observed: 20.67 ft at 4:00PM Jul 05, 2022Observed: 20.72 ft at 4:15PM Jul 05, 2022Observed: 20.64 ft at 4:30PM Jul 05, 2022Observed: 20.6 ft at 4:45PM Jul 05, 2022Observed: 20.57 ft at 5:00PM Jul 05, 2022Observed: 20.55 ft at 5:15PM Jul 05, 2022Observed: 20.52 ft at 5:30PM Jul 05, 2022Observed: 20.45 ft at 5:45PM Jul 05, 2022USGS--Water Resources of the United StatesSNAI2(plotting HGIRG) Graph Created (6:55PM Jul 5, 2022)ObservedLatest observed value: 20.45 ft at 5:45 PM CDT 5-Jul-2022.
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Tabular Data (UTC)
Tabular Data (CDT)
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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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 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
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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 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
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Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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