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Hydrograph River at a Glance Download
Fox River at Algonquin tailwater Stage (ft)Flow (kcfs)Observed: 8.37 ft at 11:30AM May 11, 2024Observed: 8.38 ft at 11:45AM May 11, 2024Observed: 8.37 ft at 12:00PM May 11, 2024Observed: 8.39 ft at 12:15PM May 11, 2024Observed: 8.38 ft at 12:30PM May 11, 2024Observed: 8.42 ft at 12:45PM May 11, 2024Observed: 8.39 ft at 1:00PM May 11, 2024Observed: 8.38 ft at 1:15PM May 11, 2024Observed: 8.39 ft at 1:30PM May 11, 2024Observed: 8.38 ft at 1:45PM May 11, 2024Observed: 8.39 ft at 2:00PM May 11, 2024Observed: 8.38 ft at 2:15PM May 11, 2024Observed: 8.39 ft at 2:30PM May 11, 2024Observed: 8.39 ft at 2:45PM May 11, 2024Observed: 8.38 ft at 3:00PM May 11, 2024Observed: 8.38 ft at 3:15PM May 11, 2024Observed: 8.39 ft at 3:30PM May 11, 2024Observed: 8.38 ft at 3:45PM May 11, 2024Observed: 8.4 ft at 4:00PM May 11, 2024Observed: 8.4 ft at 4:15PM May 11, 2024Observed: 8.39 ft at 4:30PM May 11, 2024Observed: 8.4 ft at 4:45PM May 11, 2024Observed: 8.4 ft at 5:00PM May 11, 2024Observed: 8.4 ft at 5:15PM May 11, 2024Observed: 8.41 ft at 5:30PM May 11, 2024Observed: 8.4 ft at 5:45PM May 11, 2024Observed: 8.4 ft at 6:00PM May 11, 2024Observed: 8.39 ft at 6:15PM May 11, 2024Observed: 8.39 ft at 6:30PM May 11, 2024Observed: 8.4 ft at 6:45PM May 11, 2024Observed: 8.4 ft at 7:00PM May 11, 2024Observed: 8.41 ft at 7:15PM May 11, 2024Observed: 8.39 ft at 7:30PM May 11, 2024Observed: 8.4 ft at 7:45PM May 11, 2024Observed: 8.41 ft at 8:00PM May 11, 2024Observed: 8.4 ft at 8:15PM May 11, 2024Observed: 8.39 ft at 8:30PM May 11, 2024Observed: 8.39 ft at 8:45PM May 11, 2024Observed: 8.4 ft at 9:00PM May 11, 2024Observed: 8.41 ft at 9:15PM May 11, 2024Observed: 8.4 ft at 9:30PM May 11, 2024Observed: 8.39 ft at 9:45PM May 11, 2024Observed: 8.39 ft at 10:00PM May 11, 2024Observed: 8.39 ft at 10:15PM May 11, 2024Observed: 8.41 ft at 10:30PM May 11, 2024Observed: 8.38 ft at 10:45PM May 11, 2024Observed: 8.39 ft at 11:00PM May 11, 2024Observed: 8.38 ft at 11:15PM May 11, 2024Observed: 8.39 ft at 11:30PM May 11, 2024Observed: 8.39 ft at 11:45PM May 11, 2024Observed: 8.39 ft at 12:00AM May 12, 2024Observed: 8.4 ft at 12:15AM May 12, 2024Observed: 8.39 ft at 12:30AM May 12, 2024Observed: 8.4 ft at 12:45AM May 12, 2024Observed: 8.4 ft at 1:00AM May 12, 2024Observed: 8.41 ft at 1:15AM May 12, 2024Observed: 8.41 ft at 1:30AM May 12, 2024Observed: 8.39 ft at 1:45AM May 12, 2024Observed: 8.4 ft at 2:00AM May 12, 2024Observed: 8.4 ft at 2:15AM May 12, 2024Observed: 8.4 ft at 2:30AM May 12, 2024Observed: 8.4 ft at 2:45AM May 12, 2024Observed: 8.4 ft at 3:00AM May 12, 2024Observed: 8.4 ft at 3:15AM May 12, 2024Observed: 8.4 ft at 3:30AM May 12, 2024Observed: 8.39 ft at 3:45AM May 12, 2024Observed: 8.4 ft at 4:00AM May 12, 2024Observed: 8.41 ft at 4:15AM May 12, 2024Observed: 8.41 ft at 4:30AM May 12, 2024Observed: 8.41 ft at 4:45AM May 12, 2024Observed: 8.4 ft at 5:00AM May 12, 2024Observed: 8.41 ft at 5:15AM May 12, 2024Observed: 8.4 ft at 5:30AM May 12, 2024Observed: 8.39 ft at 5:45AM May 12, 2024Observed: 8.4 ft at 6:00AM May 12, 2024Observed: 8.4 ft at 6:15AM May 12, 2024Observed: 8.41 ft at 6:30AM May 12, 2024Observed: 8.41 ft at 6:45AM May 12, 2024Observed: 8.41 ft at 7:00AM May 12, 2024Observed: 8.41 ft at 7:15AM May 12, 2024Observed: 8.4 ft at 7:30AM May 12, 2024Observed: 8.41 ft at 7:45AM May 12, 2024Observed: 8.39 ft at 8:00AM May 12, 2024Observed: 8.4 ft at 8:15AM May 12, 2024Observed: 8.39 ft at 8:30AM May 12, 2024Observed: 8.39 ft at 8:45AM May 12, 2024Observed: 8.39 ft at 9:00AM May 12, 2024Observed: 8.4 ft at 9:15AM May 12, 2024Observed: 8.38 ft at 9:30AM May 12, 2024Observed: 8.39 ft at 9:45AM May 12, 2024Observed: 8.39 ft at 10:00AM May 12, 2024Observed: 8.38 ft at 10:15AM May 12, 2024Observed: 8.37 ft at 10:30AM May 12, 2024Observed: 8.38 ft at 10:45AM May 12, 2024Observed: 8.37 ft at 11:00AM May 12, 2024Observed: 8.39 ft at 11:15AM May 12, 2024Observed: 8.39 ft at 11:30AM May 12, 2024Observed: 8.37 ft at 11:45AM May 12, 2024Observed: 8.38 ft at 12:00PM May 12, 2024Observed: 8.37 ft at 12:15PM May 12, 2024Observed: 8.38 ft at 12:30PM May 12, 2024Observed: 8.38 ft at 12:45PM May 12, 2024Observed: 8.36 ft at 1:00PM May 12, 2024Observed: 8.35 ft at 1:15PM May 12, 2024Observed: 8.37 ft at 1:30PM May 12, 2024Observed: 8.37 ft at 1:45PM May 12, 2024Observed: 8.36 ft at 2:00PM May 12, 2024Observed: 8.37 ft at 2:15PM May 12, 2024Observed: 8.36 ft at 2:30PM May 12, 2024Observed: 8.35 ft at 2:45PM May 12, 2024Observed: 8.36 ft at 3:00PM May 12, 2024Observed: 8.33 ft at 3:15PM May 12, 2024Observed: 8.34 ft at 3:30PM May 12, 2024Observed: 8.33 ft at 3:45PM May 12, 2024Observed: 8.32 ft at 4:00PM May 12, 2024Observed: 8.33 ft at 4:15PM May 12, 2024Observed: 8.34 ft at 4:30PM May 12, 2024Observed: 8.34 ft at 4:45PM May 12, 2024Observed: 8.34 ft at 5:00PM May 12, 2024Observed: 8.34 ft at 5:15PM May 12, 2024Observed: 8.35 ft at 5:30PM May 12, 2024Observed: 8.33 ft at 5:45PM May 12, 2024Observed: 8.34 ft at 6:00PM May 12, 2024Observed: 8.34 ft at 6:15PM May 12, 2024Observed: 8.34 ft at 6:30PM May 12, 2024Observed: 8.33 ft at 6:45PM May 12, 2024Observed: 8.34 ft at 7:00PM May 12, 2024Observed: 8.36 ft at 7:15PM May 12, 2024Observed: 8.36 ft at 7:30PM May 12, 2024Observed: 8.37 ft at 7:45PM May 12, 2024Observed: 8.36 ft at 8:00PM May 12, 2024Observed: 8.37 ft at 8:15PM May 12, 2024Observed: 8.37 ft at 8:30PM May 12, 2024Observed: 8.37 ft at 8:45PM May 12, 2024Observed: 8.35 ft at 9:00PM May 12, 2024Observed: 8.35 ft at 9:15PM May 12, 2024Observed: 8.35 ft at 9:30PM May 12, 2024Observed: 8.35 ft at 9:45PM May 12, 2024Observed: 8.36 ft at 10:00PM May 12, 2024Observed: 8.36 ft at 10:15PM May 12, 2024Observed: 8.35 ft at 10:30PM May 12, 2024Observed: 8.35 ft at 10:45PM May 12, 2024Observed: 8.34 ft at 11:00PM May 12, 2024Observed: 8.35 ft at 11:15PM May 12, 2024Observed: 8.35 ft at 11:30PM May 12, 2024Observed: 8.35 ft at 11:45PM May 12, 2024Observed: 8.35 ft at 12:00AM May 13, 2024Observed: 8.34 ft at 12:15AM May 13, 2024Observed: 8.33 ft at 12:30AM May 13, 2024Observed: 8.34 ft at 12:45AM May 13, 2024Observed: 8.33 ft at 1:00AM May 13, 2024Observed: 8.34 ft at 1:15AM May 13, 2024Observed: 8.33 ft at 1:30AM May 13, 2024Observed: 8.35 ft at 1:45AM May 13, 2024Observed: 8.34 ft at 2:00AM May 13, 2024Observed: 8.33 ft at 2:15AM May 13, 2024Observed: 8.32 ft at 2:30AM May 13, 2024Observed: 8.34 ft at 2:45AM May 13, 2024Observed: 8.34 ft at 3:00AM May 13, 2024Observed: 8.34 ft at 3:15AM May 13, 2024Observed: 8.33 ft at 3:30AM May 13, 2024Observed: 8.34 ft at 3:45AM May 13, 2024Observed: 8.34 ft at 4:00AM May 13, 2024Observed: 8.34 ft at 4:15AM May 13, 2024Observed: 8.33 ft at 4:30AM May 13, 2024Observed: 8.34 ft at 4:45AM May 13, 2024Observed: 8.34 ft at 5:00AM May 13, 2024Observed: 8.35 ft at 5:15AM May 13, 2024Observed: 8.34 ft at 5:30AM May 13, 2024Observed: 8.34 ft at 5:45AM May 13, 2024Observed: 8.35 ft at 6:00AM May 13, 2024Observed: 8.35 ft at 6:15AM May 13, 2024Observed: 8.36 ft at 6:30AM May 13, 2024Observed: 8.35 ft at 6:45AM May 13, 2024Observed: 8.36 ft at 7:00AM May 13, 2024Observed: 8.35 ft at 7:15AM May 13, 2024Observed: 8.35 ft at 7:30AM May 13, 2024Observed: 8.35 ft at 7:45AM May 13, 2024Observed: 8.35 ft at 8:00AM May 13, 2024Observed: 8.36 ft at 8:15AM May 13, 2024Observed: 8.34 ft at 8:30AM May 13, 2024Observed: 8.34 ft at 8:45AM May 13, 2024Observed: 8.35 ft at 9:00AM May 13, 2024Observed: 8.33 ft at 9:15AM May 13, 2024Observed: 8.34 ft at 9:30AM May 13, 2024Observed: 8.34 ft at 9:45AM May 13, 2024Observed: 8.34 ft at 10:00AM May 13, 2024Observed: 8.32 ft at 10:15AM May 13, 2024Observed: 8.28 ft at 10:30AM May 13, 2024Observed: 8.26 ft at 10:45AM May 13, 2024Observed: 8.27 ft at 11:00AM May 13, 2024Observed: 8.27 ft at 11:15AM May 13, 2024Observed: 8.27 ft at 11:30AM May 13, 2024Observed: 8.28 ft at 11:45AM May 13, 2024Observed: 8.28 ft at 12:00PM May 13, 2024Observed: 8.28 ft at 12:15PM May 13, 2024Observed: 8.28 ft at 12:30PM May 13, 2024Observed: 8.27 ft at 12:45PM May 13, 2024Observed: 8.27 ft at 1:00PM May 13, 2024Observed: 8.27 ft at 1:15PM May 13, 2024Observed: 8.27 ft at 1:30PM May 13, 2024Observed: 8.28 ft at 1:45PM May 13, 2024Observed: 8.27 ft at 2:00PM May 13, 2024Observed: 8.28 ft at 2:15PM May 13, 2024Observed: 8.28 ft at 2:30PM May 13, 2024Observed: 8.3 ft at 2:45PM May 13, 2024Observed: 8.29 ft at 3:00PM May 13, 2024Observed: 8.29 ft at 3:15PM May 13, 2024Observed: 8.29 ft at 3:30PM May 13, 2024Observed: 8.28 ft at 3:45PM May 13, 2024Observed: 8.29 ft at 4:00PM May 13, 2024Observed: 8.27 ft at 4:15PM May 13, 2024Observed: 8.27 ft at 4:30PM May 13, 2024Observed: 8.27 ft at 4:45PM May 13, 2024Observed: 8.25 ft at 5:00PM May 13, 2024Observed: 8.25 ft at 5:15PM May 13, 2024Observed: 8.25 ft at 5:30PM May 13, 2024Observed: 8.25 ft at 5:45PM May 13, 2024Observed: 8.26 ft at 6:00PM May 13, 2024Observed: 8.28 ft at 6:15PM May 13, 2024Observed: 8.31 ft at 6:30PM May 13, 2024Observed: 8.31 ft at 6:45PM May 13, 2024Observed: 8.31 ft at 7:00PM May 13, 2024Observed: 8.33 ft at 7:15PM May 13, 2024Observed: 8.33 ft at 7:30PM May 13, 2024Observed: 8.32 ft at 7:45PM May 13, 2024Observed: 8.32 ft at 8:00PM May 13, 2024Observed: 8.32 ft at 8:15PM May 13, 2024Observed: 8.32 ft at 8:30PM May 13, 2024Observed: 8.33 ft at 8:45PM May 13, 2024Observed: 8.33 ft at 9:00PM May 13, 2024Observed: 8.33 ft at 9:15PM May 13, 2024Observed: 8.33 ft at 9:30PM May 13, 2024Observed: 8.34 ft at 9:45PM May 13, 2024Observed: 8.34 ft at 10:00PM May 13, 2024Observed: 8.34 ft at 10:15PM May 13, 2024Observed: 8.34 ft at 10:30PM May 13, 2024Observed: 8.33 ft at 10:45PM May 13, 2024Observed: 8.35 ft at 11:00PM May 13, 2024Observed: 8.34 ft at 11:15PM May 13, 2024Observed: 8.35 ft at 11:30PM May 13, 2024Observed: 8.37 ft at 11:45PM May 13, 2024Observed: 8.36 ft at 12:00AM May 14, 2024Observed: 8.37 ft at 12:15AM May 14, 2024Observed: 8.35 ft at 12:30AM May 14, 2024Observed: 8.39 ft at 12:45AM May 14, 2024Observed: 8.39 ft at 1:00AM May 14, 2024Observed: 8.4 ft at 1:15AM May 14, 2024Observed: 8.4 ft at 1:30AM May 14, 2024Observed: 8.41 ft at 1:45AM May 14, 2024Observed: 8.41 ft at 2:00AM May 14, 2024Observed: 8.42 ft at 2:15AM May 14, 2024Observed: 8.42 ft at 2:30AM May 14, 2024Observed: 8.42 ft at 2:45AM May 14, 2024Observed: 8.42 ft at 3:00AM May 14, 2024Observed: 8.42 ft at 3:15AM May 14, 2024Observed: 8.43 ft at 3:30AM May 14, 2024Observed: 8.44 ft at 3:45AM May 14, 2024Observed: 8.44 ft at 4:00AM May 14, 2024Observed: 8.44 ft at 4:15AM May 14, 2024Observed: 8.45 ft at 4:30AM May 14, 2024Observed: 8.44 ft at 4:45AM May 14, 2024Observed: 8.45 ft at 5:00AM May 14, 2024Observed: 8.44 ft at 5:15AM May 14, 2024Observed: 8.45 ft at 5:30AM May 14, 2024Observed: 8.45 ft at 5:45AM May 14, 2024Observed: 8.46 ft at 6:00AM May 14, 2024Observed: 8.47 ft at 6:15AM May 14, 2024Observed: 8.46 ft at 6:30AM May 14, 2024Observed: 8.46 ft at 6:45AM May 14, 2024Observed: 8.46 ft at 7:00AM May 14, 2024Observed: 8.47 ft at 7:15AM May 14, 2024Observed: 8.46 ft at 7:30AM May 14, 2024Observed: 8.47 ft at 7:45AM May 14, 2024Observed: 8.46 ft at 8:00AM May 14, 2024Observed: 8.47 ft at 8:15AM May 14, 2024Observed: 8.48 ft at 8:30AM May 14, 2024Observed: 8.49 ft at 8:45AM May 14, 2024Observed: 8.48 ft at 9:00AM May 14, 2024Observed: 8.48 ft at 9:15AM May 14, 2024Observed: 8.48 ft at 9:30AM May 14, 2024Observed: 8.47 ft at 9:45AM May 14, 2024Observed: 8.49 ft at 10:00AM May 14, 2024Observed: 8.48 ft at 10:15AM May 14, 2024Observed: 8.49 ft at 10:30AM May 14, 2024Observed: 8.5 ft at 10:45AM May 14, 2024Observed: 8.5 ft at 11:00AM May 14, 2024Observed: 8.5 ft at 11:15AM May 14, 2024Observed: 8.5 ft at 11:30AM May 14, 2024Observed: 8.51 ft at 11:45AM May 14, 2024Observed: 8.5 ft at 12:00PM May 14, 2024Observed: 8.5 ft at 12:15PM May 14, 2024Observed: 8.51 ft at 12:30PM May 14, 2024Observed: 8.51 ft at 12:45PM May 14, 2024Observed: 8.52 ft at 1:00PM May 14, 2024Observed: 8.52 ft at 1:15PM May 14, 2024Observed: 8.52 ft at 1:30PM May 14, 2024Observed: 8.53 ft at 1:45PM May 14, 2024Observed: 8.53 ft at 2:00PM May 14, 2024Observed: 8.53 ft at 2:15PM May 14, 2024Observed: 8.53 ft at 2:30PM May 14, 2024Observed: 8.53 ft at 2:45PM May 14, 2024Observed: 8.53 ft at 3:00PM May 14, 2024Observed: 8.54 ft at 3:15PM May 14, 2024Observed: 8.53 ft at 3:30PM May 14, 2024Observed: 8.54 ft at 3:45PM May 14, 2024Observed: 8.54 ft at 4:00PM May 14, 2024Observed: 8.53 ft at 4:15PM May 14, 2024Observed: 8.53 ft at 4:30PM May 14, 2024Observed: 8.54 ft at 4:45PM May 14, 2024Observed: 8.54 ft at 5:00PM May 14, 2024Observed: 8.54 ft at 5:15PM May 14, 2024Observed: 8.53 ft at 5:30PM May 14, 2024Observed: 8.52 ft at 5:45PM May 14, 2024Observed: 8.53 ft at 6:00PM May 14, 2024Observed: 8.53 ft at 6:15PM May 14, 2024Observed: 8.55 ft at 6:30PM May 14, 2024Observed: 8.53 ft at 6:45PM May 14, 2024Observed: 8.54 ft at 7:00PM May 14, 2024Observed: 8.53 ft at 7:15PM May 14, 2024Observed: 8.53 ft at 7:30PM May 14, 2024Observed: 8.53 ft at 7:45PM May 14, 2024Observed: 8.53 ft at 8:00PM May 14, 2024Observed: 8.54 ft at 8:15PM May 14, 2024Observed: 8.53 ft at 8:30PM May 14, 2024Observed: 8.53 ft at 8:45PM May 14, 2024Observed: 8.53 ft at 9:00PM May 14, 2024Observed: 8.53 ft at 9:15PM May 14, 2024Observed: 8.52 ft at 9:30PM May 14, 2024Observed: 8.51 ft at 9:45PM May 14, 2024Observed: 8.5 ft at 10:00PM May 14, 2024Observed: 8.53 ft at 10:15PM May 14, 2024Observed: 8.52 ft at 10:30PM May 14, 2024Observed: 8.53 ft at 10:45PM May 14, 2024Observed: 8.53 ft at 11:00PM May 14, 2024Observed: 8.51 ft at 11:15PM May 14, 2024Observed: 8.52 ft at 11:30PM May 14, 2024Observed: 8.53 ft at 11:45PM May 14, 2024Observed: 8.53 ft at 12:00AM May 15, 2024Observed: 8.53 ft at 12:15AM May 15, 2024Observed: 8.53 ft at 12:30AM May 15, 2024Observed: 8.53 ft at 12:45AM May 15, 2024Observed: 8.53 ft at 1:00AM May 15, 2024Observed: 8.53 ft at 1:15AM May 15, 2024Observed: 8.52 ft at 1:30AM May 15, 2024Observed: 8.51 ft at 1:45AM May 15, 2024Observed: 8.53 ft at 2:00AM May 15, 2024Observed: 8.53 ft at 2:15AM May 15, 2024Observed: 8.5 ft at 2:30AM May 15, 2024Observed: 8.52 ft at 2:45AM May 15, 2024Observed: 8.52 ft at 3:00AM May 15, 2024Observed: 8.53 ft at 3:15AM May 15, 2024Observed: 8.51 ft at 3:30AM May 15, 2024Observed: 8.53 ft at 3:45AM May 15, 2024Observed: 8.51 ft at 4:00AM May 15, 2024Observed: 8.54 ft at 4:15AM May 15, 2024Observed: 8.53 ft at 4:30AM May 15, 2024Observed: 8.53 ft at 4:45AM May 15, 2024Observed: 8.53 ft at 5:00AM May 15, 2024Observed: 8.53 ft at 5:15AM May 15, 2024Observed: 8.53 ft at 5:30AM May 15, 2024Observed: 8.52 ft at 5:45AM May 15, 2024Observed: 8.53 ft at 6:00AM May 15, 2024Observed: 8.53 ft at 6:15AM May 15, 2024Observed: 8.53 ft at 6:30AM May 15, 2024Observed: 8.51 ft at 6:45AM May 15, 2024Observed: 8.52 ft at 7:00AM May 15, 2024Observed: 8.53 ft at 7:15AM May 15, 2024Observed: 8.53 ft at 7:30AM May 15, 2024Observed: 8.52 ft at 7:45AM May 15, 2024Observed: 8.53 ft at 8:00AM May 15, 2024Observed: 8.53 ft at 8:15AM May 15, 2024Observed: 8.53 ft at 8:30AM May 15, 2024Observed: 8.54 ft at 8:45AM May 15, 2024Observed: 8.55 ft at 9:00AM May 15, 2024Observed: 8.54 ft at 9:15AM May 15, 2024Observed: 8.53 ft at 9:30AM May 15, 2024Observed: 8.53 ft at 9:45AM May 15, 2024Observed: 8.53 ft at 10:00AM May 15, 2024Observed: 8.53 ft at 10:15AM May 15, 2024Observed: 8.54 ft at 10:30AM May 15, 2024Observed: 8.54 ft at 10:45AM May 15, 2024Observed: 8.52 ft at 11:00AM May 15, 2024Observed: 8.53 ft at 11:15AM May 15, 2024Observed: 8.53 ft at 11:30AM May 15, 2024Observed: 8.52 ft at 11:45AM May 15, 2024Observed: 8.58 ft at 12:00PM May 15, 2024Observed: 8.59 ft at 12:15PM May 15, 2024Highest Observation: 8.6 ft at 12:30PM May 15, 2024Highest Observation: 8.6 ft at 12:45PM May 15, 2024Observed: 8.57 ft at 1:00PM May 15, 2024Observed: 8.59 ft at 1:15PM May 15, 2024Observed: 8.57 ft at 1:30PM May 15, 2024Observed: 8.54 ft at 1:45PM May 15, 2024Observed: 8.55 ft at 2:00PM May 15, 2024Observed: 8.55 ft at 2:15PM May 15, 2024Observed: 8.55 ft at 2:30PM May 15, 2024Observed: 8.53 ft at 2:45PM May 15, 2024Observed: 8.53 ft at 3:00PM May 15, 2024Observed: 8.52 ft at 3:15PM May 15, 2024Observed: 8.51 ft at 3:30PM May 15, 2024Observed: 8.52 ft at 3:45PM May 15, 2024Observed: 8.5 ft at 4:00PM May 15, 2024Observed: 8.48 ft at 4:15PM May 15, 2024Observed: 8.49 ft at 4:30PM May 15, 2024Observed: 8.49 ft at 4:45PM May 15, 2024Observed: 8.47 ft at 5:00PM May 15, 2024Observed: 8.47 ft at 5:15PM May 15, 2024Observed: 8.47 ft at 5:30PM May 15, 2024Observed: 8.46 ft at 5:45PM May 15, 2024Observed: 8.45 ft at 6:00PM May 15, 2024Observed: 8.44 ft at 6:15PM May 15, 2024Observed: 8.43 ft at 6:30PM May 15, 2024Observed: 8.46 ft at 6:45PM May 15, 2024Observed: 8.43 ft at 7:00PM May 15, 2024Observed: 8.43 ft at 7:15PM May 15, 2024Observed: 8.42 ft at 7:30PM May 15, 2024Observed: 8.42 ft at 7:45PM May 15, 2024Observed: 8.4 ft at 8:00PM May 15, 2024Observed: 8.4 ft at 8:15PM May 15, 2024Observed: 8.41 ft at 8:30PM May 15, 2024Observed: 8.4 ft at 8:45PM May 15, 2024Observed: 8.39 ft at 9:00PM May 15, 2024Observed: 8.39 ft at 9:15PM May 15, 2024Observed: 8.4 ft at 9:30PM May 15, 2024Observed: 8.39 ft at 9:45PM May 15, 2024Observed: 8.38 ft at 10:00PM May 15, 2024Observed: 8.38 ft at 10:15PM May 15, 2024Observed: 8.38 ft at 10:30PM May 15, 2024Observed: 8.38 ft at 10:45PM May 15, 2024Observed: 8.38 ft at 11:00PM May 15, 2024Observed: 8.38 ft at 11:15PM May 15, 2024Observed: 8.37 ft at 11:30PM May 15, 2024Observed: 8.37 ft at 11:45PM May 15, 2024Observed: 8.37 ft at 12:00AM May 16, 2024Observed: 8.36 ft at 12:15AM May 16, 2024Observed: 8.36 ft at 12:30AM May 16, 2024Observed: 8.35 ft at 12:45AM May 16, 2024Observed: 8.36 ft at 1:00AM May 16, 2024Observed: 8.36 ft at 1:15AM May 16, 2024Observed: 8.35 ft at 1:30AM May 16, 2024Observed: 8.35 ft at 1:45AM May 16, 2024Observed: 8.34 ft at 2:00AM May 16, 2024Observed: 8.34 ft at 2:15AM May 16, 2024Observed: 8.34 ft at 2:30AM May 16, 2024Observed: 8.33 ft at 2:45AM May 16, 2024Observed: 8.33 ft at 3:00AM May 16, 2024Observed: 8.33 ft at 3:15AM May 16, 2024Observed: 8.33 ft at 3:30AM May 16, 2024Observed: 8.32 ft at 3:45AM May 16, 2024Observed: 8.32 ft at 4:00AM May 16, 2024Observed: 8.32 ft at 4:15AM May 16, 2024Observed: 8.33 ft at 4:30AM May 16, 2024Observed: 8.31 ft at 4:45AM May 16, 2024Observed: 8.31 ft at 5:00AM May 16, 2024Observed: 8.32 ft at 5:15AM May 16, 2024Observed: 8.31 ft at 5:30AM May 16, 2024Observed: 8.3 ft at 5:45AM May 16, 2024Observed: 8.3 ft at 6:00AM May 16, 2024Observed: 8.3 ft at 6:15AM May 16, 2024Observed: 8.3 ft at 6:30AM May 16, 2024Observed: 8.3 ft at 6:45AM May 16, 2024Observed: 8.29 ft at 7:00AM May 16, 2024Observed: 8.28 ft at 7:15AM May 16, 2024Observed: 8.28 ft at 7:30AM May 16, 2024Observed: 8.28 ft at 7:45AM May 16, 2024Observed: 8.29 ft at 8:00AM May 16, 2024Observed: 8.29 ft at 8:15AM May 16, 2024Observed: 8.28 ft at 8:30AM May 16, 2024Observed: 8.28 ft at 8:45AM May 16, 2024Observed: 8.27 ft at 9:00AM May 16, 2024Observed: 8.27 ft at 9:15AM May 16, 2024Observed: 8.26 ft at 9:30AM May 16, 2024Observed: 8.2 ft at 9:45AM May 16, 2024Observed: 8.19 ft at 10:00AM May 16, 2024Observed: 8.18 ft at 10:15AM May 16, 2024Observed: 8.18 ft at 10:30AM May 16, 2024Observed: 8.19 ft at 10:45AM May 16, 2024Observed: 8.18 ft at 11:00AM May 16, 2024Observed: 8.18 ft at 11:15AM May 16, 2024Observed: 8.17 ft at 11:30AM May 16, 2024Observed: 8.17 ft at 11:45AM May 16, 2024Observed: 8.17 ft at 12:00PM May 16, 2024Observed: 8.16 ft at 12:15PM May 16, 2024Observed: 8.16 ft at 12:30PM May 16, 2024Observed: 8.15 ft at 12:45PM May 16, 2024Observed: 8.14 ft at 1:00PM May 16, 2024Observed: 8.14 ft at 1:15PM May 16, 2024Observed: 8.13 ft at 1:30PM May 16, 2024Observed: 8.14 ft at 1:45PM May 16, 2024Observed: 8.13 ft at 2:00PM May 16, 2024Observed: 8.13 ft at 2:15PM May 16, 2024Observed: 8.13 ft at 2:30PM May 16, 2024Observed: 8.12 ft at 2:45PM May 16, 2024Observed: 8.06 ft at 3:00PM May 16, 2024Observed: 8.03 ft at 3:15PM May 16, 2024Observed: 8.02 ft at 3:30PM May 16, 2024Observed: 8.01 ft at 3:45PM May 16, 2024Observed: 8.02 ft at 4:00PM May 16, 2024Observed: 8.02 ft at 4:15PM May 16, 2024Observed: 8.02 ft at 4:30PM May 16, 2024Observed: 8.02 ft at 4:45PM May 16, 2024Observed: 8.02 ft at 5:00PM May 16, 2024Observed: 8.01 ft at 5:15PM May 16, 2024Observed: 8 ft at 5:30PM May 16, 2024Observed: 8 ft at 5:45PM May 16, 2024Observed: 8 ft at 6:00PM May 16, 2024Observed: 8 ft at 6:15PM May 16, 2024Observed: 8 ft at 6:30PM May 16, 2024Observed: 7.98 ft at 6:45PM May 16, 2024Observed: 7.98 ft at 7:00PM May 16, 2024Observed: 7.98 ft at 7:15PM May 16, 2024Observed: 7.97 ft at 7:30PM May 16, 2024Observed: 7.97 ft at 7:45PM May 16, 2024Observed: 7.98 ft at 8:00PM May 16, 2024Observed: 7.97 ft at 8:15PM May 16, 2024Observed: 7.96 ft at 8:30PM May 16, 2024Observed: 7.96 ft at 8:45PM May 16, 2024Observed: 7.96 ft at 9:00PM May 16, 2024Observed: 7.96 ft at 9:15PM May 16, 2024Observed: 7.95 ft at 9:30PM May 16, 2024Observed: 7.95 ft at 9:45PM May 16, 2024Observed: 7.94 ft at 10:00PM May 16, 2024Observed: 7.94 ft at 10:15PM May 16, 2024Observed: 7.94 ft at 10:30PM May 16, 2024Observed: 7.94 ft at 10:45PM May 16, 2024Observed: 7.93 ft at 11:00PM May 16, 2024Observed: 7.93 ft at 11:15PM May 16, 2024Observed: 7.92 ft at 11:30PM May 16, 2024Observed: 7.92 ft at 11:45PM May 16, 2024Observed: 7.93 ft at 12:00AM May 17, 2024Observed: 7.91 ft at 12:15AM May 17, 2024Observed: 7.91 ft at 12:30AM May 17, 2024Observed: 7.91 ft at 12:45AM May 17, 2024Observed: 7.9 ft at 1:00AM May 17, 2024Observed: 7.9 ft at 1:15AM May 17, 2024Observed: 7.91 ft at 1:30AM May 17, 2024Observed: 7.91 ft at 1:45AM May 17, 2024Observed: 7.89 ft at 2:00AM May 17, 2024Observed: 7.89 ft at 2:15AM May 17, 2024Observed: 7.9 ft at 2:30AM May 17, 2024Observed: 7.89 ft at 2:45AM May 17, 2024Observed: 7.89 ft at 3:00AM May 17, 2024Observed: 7.88 ft at 3:15AM May 17, 2024Observed: 7.89 ft at 3:30AM May 17, 2024Observed: 7.88 ft at 3:45AM May 17, 2024Observed: 7.88 ft at 4:00AM May 17, 2024Observed: 7.87 ft at 4:15AM May 17, 2024Observed: 7.87 ft at 4:30AM May 17, 2024Observed: 7.86 ft at 4:45AM May 17, 2024Observed: 7.86 ft at 5:00AM May 17, 2024Observed: 7.86 ft at 5:15AM May 17, 2024Observed: 7.85 ft at 5:30AM May 17, 2024Observed: 7.85 ft at 5:45AM May 17, 2024Observed: 7.85 ft at 6:00AM May 17, 2024Observed: 7.85 ft at 6:15AM May 17, 2024Observed: 7.85 ft at 6:30AM May 17, 2024Observed: 7.84 ft at 6:45AM May 17, 2024Observed: 7.85 ft at 7:00AM May 17, 2024Observed: 7.84 ft at 7:15AM May 17, 2024Observed: 7.84 ft at 7:30AM May 17, 2024Observed: 7.84 ft at 7:45AM May 17, 2024Observed: 7.84 ft at 8:00AM May 17, 2024Observed: 7.83 ft at 8:15AM May 17, 2024Observed: 7.82 ft at 8:30AM May 17, 2024Observed: 7.83 ft at 8:45AM May 17, 2024Observed: 7.82 ft at 9:00AM May 17, 2024Observed: 7.82 ft at 9:15AM May 17, 2024Observed: 7.82 ft at 9:30AM May 17, 2024Observed: 7.82 ft at 9:45AM May 17, 2024Observed: 7.82 ft at 10:00AM May 17, 2024Observed: 7.72 ft at 10:15AM May 17, 2024Observed: 7.62 ft at 10:30AM May 17, 2024Observed: 7.6 ft at 10:45AM May 17, 2024Observed: 7.59 ft at 11:00AM May 17, 2024Observed: 7.6 ft at 11:15AM May 17, 2024Observed: 7.6 ft at 11:30AM May 17, 2024Observed: 7.61 ft at 11:45AM May 17, 2024Observed: 7.62 ft at 12:00PM May 17, 2024Observed: 7.63 ft at 12:15PM May 17, 2024Observed: 7.64 ft at 12:30PM May 17, 2024Observed: 7.63 ft at 12:45PM May 17, 2024Observed: 7.65 ft at 1:00PM May 17, 2024Observed: 7.64 ft at 1:15PM May 17, 2024Observed: 7.64 ft at 1:30PM May 17, 2024Observed: 7.63 ft at 1:45PM May 17, 2024Observed: 7.63 ft at 2:00PM May 17, 2024Observed: 7.63 ft at 2:15PM May 17, 2024Observed: 7.65 ft at 2:30PM May 17, 2024Observed: 7.64 ft at 2:45PM May 17, 2024Observed: 7.65 ft at 3:00PM May 17, 2024Observed: 7.65 ft at 3:15PM May 17, 2024Observed: 7.65 ft at 3:30PM May 17, 2024Observed: 7.65 ft at 3:45PM May 17, 2024Observed: 7.64 ft at 4:00PM May 17, 2024Observed: 7.64 ft at 4:15PM May 17, 2024Observed: 7.66 ft at 4:30PM May 17, 2024Observed: 7.65 ft at 4:45PM May 17, 2024Observed: 7.67 ft at 5:00PM May 17, 2024Observed: 7.69 ft at 5:15PM May 17, 2024Observed: 7.68 ft at 5:30PM May 17, 2024Observed: 7.69 ft at 5:45PM May 17, 2024Observed: 7.69 ft at 6:00PM May 17, 2024Observed: 7.68 ft at 6:15PM May 17, 2024Observed: 7.67 ft at 6:30PM May 17, 2024Observed: 7.68 ft at 6:45PM May 17, 2024Observed: 7.68 ft at 7:00PM May 17, 2024Observed: 7.66 ft at 7:15PM May 17, 2024Observed: 7.67 ft at 7:30PM May 17, 2024Observed: 7.66 ft at 7:45PM May 17, 2024Observed: 7.66 ft at 8:00PM May 17, 2024Observed: 7.66 ft at 8:15PM May 17, 2024Observed: 7.66 ft at 8:30PM May 17, 2024Observed: 7.65 ft at 8:45PM May 17, 2024Observed: 7.65 ft at 9:00PM May 17, 2024Observed: 7.66 ft at 9:15PM May 17, 2024Observed: 7.65 ft at 9:30PM May 17, 2024Observed: 7.64 ft at 9:45PM May 17, 2024Observed: 7.65 ft at 10:00PM May 17, 2024Observed: 7.65 ft at 10:15PM May 17, 2024Observed: 7.66 ft at 10:30PM May 17, 2024Observed: 7.65 ft at 10:45PM May 17, 2024Observed: 7.66 ft at 11:00PM May 17, 2024Observed: 7.66 ft at 11:15PM May 17, 2024Observed: 7.66 ft at 11:30PM May 17, 2024Observed: 7.65 ft at 11:45PM May 17, 2024Observed: 7.66 ft at 12:00AM May 18, 2024Observed: 7.66 ft at 12:15AM May 18, 2024Observed: 7.66 ft at 12:30AM May 18, 2024Observed: 7.65 ft at 12:45AM May 18, 2024Observed: 7.65 ft at 1:00AM May 18, 2024Observed: 7.66 ft at 1:15AM May 18, 2024Observed: 7.65 ft at 1:30AM May 18, 2024Observed: 7.66 ft at 1:45AM May 18, 2024Observed: 7.65 ft at 2:00AM May 18, 2024Observed: 7.64 ft at 2:15AM May 18, 2024Observed: 7.65 ft at 2:30AM May 18, 2024Observed: 7.65 ft at 2:45AM May 18, 2024Observed: 7.65 ft at 3:00AM May 18, 2024Observed: 7.65 ft at 3:15AM May 18, 2024Observed: 7.64 ft at 3:30AM May 18, 2024Observed: 7.65 ft at 3:45AM May 18, 2024Observed: 7.64 ft at 4:00AM May 18, 2024Observed: 7.64 ft at 4:15AM May 18, 2024Observed: 7.65 ft at 4:30AM May 18, 2024Observed: 7.65 ft at 4:45AM May 18, 2024Observed: 7.64 ft at 5:00AM May 18, 2024Observed: 7.64 ft at 5:15AM May 18, 2024Observed: 7.65 ft at 5:30AM May 18, 2024Observed: 7.65 ft at 5:45AM May 18, 2024Observed: 7.64 ft at 6:00AM May 18, 2024Observed: 7.65 ft at 6:15AM May 18, 2024Observed: 7.64 ft at 6:30AM May 18, 2024Observed: 7.64 ft at 6:45AM May 18, 2024Observed: 7.64 ft at 7:00AM May 18, 2024Observed: 7.64 ft at 7:15AM May 18, 2024Observed: 7.63 ft at 7:30AM May 18, 2024Observed: 7.63 ft at 7:45AM May 18, 2024Observed: 7.64 ft at 8:00AM May 18, 2024Observed: 7.63 ft at 8:15AM May 18, 2024Observed: 7.63 ft at 8:30AM May 18, 2024Observed: 7.63 ft at 8:45AM May 18, 2024Observed: 7.63 ft at 9:00AM May 18, 2024Observed: 7.62 ft at 9:15AM May 18, 2024Observed: 7.62 ft at 9:30AM May 18, 2024Observed: 7.62 ft at 9:45AM May 18, 2024Observed: 7.62 ft at 10:00AM May 18, 2024Observed: 7.62 ft at 10:15AM May 18, 2024Observed: 7.61 ft at 10:30AM May 18, 2024USGS--Water Resources of the United StatesAFBI2(plotting HGIRG) Graph Created (11:26AM May 18, 2024)ObservedLatest observed value: 7.61 ft at 10:30 AM CDT 18-May-2024. Flood Stage is 9.5 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Fox River at Algonquin tailwater are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Algonquin Upstream Gauge Downstream Gauge Downstream Gauge - at Elgin
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 10.5
Flood Stage: 9.5
Action Stage: 9
Low Stage (in feet): 4

Historic Crests
(1) 13.18 ft on 07/23/2017
(2) 12.70 ft on 04/23/2013
(3) 11.85 ft on 06/26/2018
(4) 11.83 ft on 05/23/2020
(5) 11.38 ft on 09/17/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.83 ft on 05/23/2020
(2) 10.55 ft on 05/03/2020
(3) 9.54 ft on 10/31/2019
(4) 10.78 ft on 10/11/2019
(5) 11.38 ft on 09/17/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 3.53 ft on 10/11/2012
(2) 4.18 ft on 03/02/2020
(3) 4.22 ft on 08/07/2015
(4) 4.29 ft on 08/11/2016

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:15
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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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18 Inundation of the floodplain reaches more than 1 block from the river in Algonquin.
17.5 Main Street is threatened in Algonquin.
16.5 IL-176 is threatened near Holiday Hills.
16 Numerous structures are threatened along Main Street in Algonquin. North Water Reclamation Facility property in Elgin is threatened.
15.5 Algonquin Road (IL-62) is threatened west of the river in Algonquin.
15 Inundation reaches up to 2 blocks from the river in Willow Lake Estates in Elgin. Railroad tracks are threatened in downtown Elgin.
14 Residences threatened along Riverview Drive and Holiday Drive in Holiday Hills. Residences threatened along Riverside Drive West south of McHenry. Structures are threatened along N Harrison Street in Algonquin. Algonquin Wastewater Treatment Facility property threatened.
13.5 Backwater causes Crystal Creek to threaten structures near the village hall in Algonquin.
13 Backwater causes Crystal Creek to threaten low-lying sections of Towne Park in Algonquin. Structures along Riverside Drive and Grove Ave are threatened in Elgin.
12.5 Prairie Trail is threatened at the river in Algonquin.
12 North Harrison Street is threatened near Riverside Park in Algonquin. Low-lying areas of Festival Park are threatened in Elgin.
11.5 Residences threatened along Oceola Drive in Algonquin. Jayne Street and Beach Drive threatened in Algonquin.
11 Filip Street and Fox River Drive threatened in Algonquin.
10.5 Low-lying sections of Cornish Park are inundated in Algonquin.
10 Winaki Trail and Onaway Trail are threatened south of Algonquin.
9.5 Boathouses threatened along the river in Cary.
9 Water overflows low-lying river banks along Grove Street in Valley View, along River Shore Drive in Cary, and along Riverview Drive and Holiday Drive in Holiday Hills.
Low Water Impacts Collapse
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3.5 River nears zero flow.
4.0 Approximate stage of the 1-in-10 annual chance flow (7-day average).
4.5 Low water levels begin to impact operations at Stratton and Algonquin Dams.
About This Location Collapse

Latitude: 42.161944° N, Longitude: 88.293889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 719.29 728.79 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
How low could the river get?
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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
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333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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