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Hydrograph River at a Glance Download
North Branch Chicago River at Chicago (Grand Ave) Stage (ft)Observed: -1.9 ft at 5:10PM Jul 11, 2019Observed: -1.88 ft at 5:20PM Jul 11, 2019Observed: -1.91 ft at 5:30PM Jul 11, 2019Observed: -1.9 ft at 5:40PM Jul 11, 2019Observed: -1.88 ft at 5:50PM Jul 11, 2019Observed: -1.9 ft at 6:00PM Jul 11, 2019Observed: -1.95 ft at 6:10PM Jul 11, 2019Observed: -1.96 ft at 6:20PM Jul 11, 2019Observed: -1.96 ft at 6:30PM Jul 11, 2019Observed: -1.96 ft at 6:40PM Jul 11, 2019Observed: -1.97 ft at 6:50PM Jul 11, 2019Observed: -1.95 ft at 7:00PM Jul 11, 2019Observed: -1.92 ft at 7:10PM Jul 11, 2019Observed: -1.95 ft at 7:20PM Jul 11, 2019Observed: -1.98 ft at 7:30PM Jul 11, 2019Observed: -1.95 ft at 7:40PM Jul 11, 2019Observed: -1.89 ft at 7:50PM Jul 11, 2019Observed: -1.91 ft at 8:00PM Jul 11, 2019Observed: -1.94 ft at 8:10PM Jul 11, 2019Observed: -1.95 ft at 8:20PM Jul 11, 2019Observed: -1.92 ft at 8:30PM Jul 11, 2019Observed: -1.88 ft at 8:40PM Jul 11, 2019Observed: -1.94 ft at 8:50PM Jul 11, 2019Observed: -1.99 ft at 9:00PM Jul 11, 2019Observed: -1.96 ft at 9:10PM Jul 11, 2019Observed: -1.91 ft at 9:20PM Jul 11, 2019Observed: -1.9 ft at 9:30PM Jul 11, 2019Observed: -1.92 ft at 9:40PM Jul 11, 2019Observed: -1.93 ft at 9:50PM Jul 11, 2019Observed: -1.87 ft at 10:00PM Jul 11, 2019Observed: -1.91 ft at 10:10PM Jul 11, 2019Observed: -1.92 ft at 10:20PM Jul 11, 2019Observed: -1.93 ft at 10:30PM Jul 11, 2019Observed: -1.93 ft at 10:40PM Jul 11, 2019Observed: -1.96 ft at 10:50PM Jul 11, 2019Observed: -1.9 ft at 11:00PM Jul 11, 2019Observed: -1.95 ft at 11:10PM Jul 11, 2019Observed: -1.9 ft at 11:20PM Jul 11, 2019Observed: -1.89 ft at 11:30PM Jul 11, 2019Observed: -1.94 ft at 11:40PM Jul 11, 2019Observed: -1.9 ft at 11:50PM Jul 11, 2019Observed: -1.94 ft at 12:00AM Jul 12, 2019Observed: -1.95 ft at 12:10AM Jul 12, 2019Observed: -2 ft at 12:20AM Jul 12, 2019Observed: -1.97 ft at 12:30AM Jul 12, 2019Observed: -2.01 ft at 12:40AM Jul 12, 2019Observed: -1.96 ft at 12:50AM Jul 12, 2019Observed: -1.95 ft at 1:00AM Jul 12, 2019Observed: -1.96 ft at 1:10AM Jul 12, 2019Observed: -1.96 ft at 1:20AM Jul 12, 2019Observed: -1.96 ft at 1:30AM Jul 12, 2019Observed: -1.95 ft at 1:40AM Jul 12, 2019Observed: -1.95 ft at 1:50AM Jul 12, 2019Observed: -1.94 ft at 2:00AM Jul 12, 2019Observed: -1.93 ft at 2:10AM Jul 12, 2019Observed: -1.93 ft at 2:20AM Jul 12, 2019Observed: -1.94 ft at 2:30AM Jul 12, 2019Observed: -1.93 ft at 2:40AM Jul 12, 2019Observed: -1.92 ft at 2:50AM Jul 12, 2019Observed: -1.93 ft at 3:00AM Jul 12, 2019Observed: -1.92 ft at 3:10AM Jul 12, 2019Observed: -1.9 ft at 3:20AM Jul 12, 2019Observed: -1.91 ft at 3:30AM Jul 12, 2019Observed: -1.91 ft at 3:40AM Jul 12, 2019Observed: -1.93 ft at 3:50AM Jul 12, 2019Observed: -1.92 ft at 4:00AM Jul 12, 2019Observed: -1.93 ft at 4:10AM Jul 12, 2019Observed: -1.95 ft at 4:20AM Jul 12, 2019Observed: -1.98 ft at 4:30AM Jul 12, 2019Observed: -2 ft at 4:40AM Jul 12, 2019Observed: -2 ft at 4:50AM Jul 12, 2019Observed: -1.98 ft at 5:00AM Jul 12, 2019Observed: -1.98 ft at 5:10AM Jul 12, 2019Observed: -1.98 ft at 5:20AM Jul 12, 2019Observed: -1.96 ft at 5:30AM Jul 12, 2019Observed: -1.98 ft at 5:40AM Jul 12, 2019Observed: -2.03 ft at 5:50AM Jul 12, 2019Observed: -2.03 ft at 6:00AM Jul 12, 2019Observed: -2.04 ft at 6:10AM Jul 12, 2019Observed: -2.02 ft at 6:20AM Jul 12, 2019Observed: -2.03 ft at 6:30AM Jul 12, 2019Observed: -2.01 ft at 6:40AM Jul 12, 2019Observed: -2.02 ft at 6:50AM Jul 12, 2019Observed: -2.02 ft at 7:00AM Jul 12, 2019Observed: -2.02 ft at 7:10AM Jul 12, 2019Observed: -2.03 ft at 7:20AM Jul 12, 2019Observed: -2 ft at 7:30AM Jul 12, 2019Observed: -1.95 ft at 7:40AM Jul 12, 2019Observed: -2.01 ft at 7:50AM Jul 12, 2019Observed: -2.03 ft at 8:00AM Jul 12, 2019Observed: -2 ft at 8:10AM Jul 12, 2019Observed: -2.01 ft at 8:20AM Jul 12, 2019Observed: -1.99 ft at 8:30AM Jul 12, 2019Observed: -1.99 ft at 8:40AM Jul 12, 2019Observed: -2.01 ft at 8:50AM Jul 12, 2019Observed: -2.04 ft at 9:00AM Jul 12, 2019Observed: -2.06 ft at 9:10AM Jul 12, 2019Observed: -2.1 ft at 9:20AM Jul 12, 2019Observed: -2.1 ft at 9:30AM Jul 12, 2019Observed: -2.1 ft at 9:40AM Jul 12, 2019Observed: -2.06 ft at 9:50AM Jul 12, 2019Observed: -2.1 ft at 10:00AM Jul 12, 2019Observed: -2.04 ft at 10:10AM Jul 12, 2019Observed: -2.11 ft at 10:20AM Jul 12, 2019Observed: -2.11 ft at 10:30AM Jul 12, 2019Observed: -2.05 ft at 10:40AM Jul 12, 2019Observed: -2.1 ft at 10:50AM Jul 12, 2019Observed: -2.08 ft at 11:00AM Jul 12, 2019Observed: -2.09 ft at 11:10AM Jul 12, 2019Observed: -2.04 ft at 11:20AM Jul 12, 2019Observed: -2.1 ft at 11:30AM Jul 12, 2019Observed: -2.07 ft at 11:40AM Jul 12, 2019Observed: -2.05 ft at 11:50AM Jul 12, 2019Observed: -2.08 ft at 12:00PM Jul 12, 2019Observed: -2.06 ft at 12:10PM Jul 12, 2019Observed: -2.05 ft at 12:20PM Jul 12, 2019Observed: -2.13 ft at 12:30PM Jul 12, 2019Observed: -2.14 ft at 12:40PM Jul 12, 2019Observed: -2.08 ft at 12:50PM Jul 12, 2019Observed: -2.12 ft at 1:00PM Jul 12, 2019Observed: -2.17 ft at 1:10PM Jul 12, 2019Observed: -2.12 ft at 1:20PM Jul 12, 2019Observed: -2.15 ft at 1:30PM Jul 12, 2019Observed: -2.13 ft at 1:40PM Jul 12, 2019Observed: -2.02 ft at 1:50PM Jul 12, 2019Observed: -2.11 ft at 2:00PM Jul 12, 2019Observed: -2.12 ft at 2:10PM Jul 12, 2019Observed: -2.06 ft at 2:20PM Jul 12, 2019Observed: -2.14 ft at 2:30PM Jul 12, 2019Observed: -2.11 ft at 2:40PM Jul 12, 2019Observed: -2.08 ft at 2:50PM Jul 12, 2019Observed: -2.03 ft at 3:00PM Jul 12, 2019Observed: -2.08 ft at 3:10PM Jul 12, 2019Observed: -2.05 ft at 3:20PM Jul 12, 2019Observed: -2.07 ft at 3:30PM Jul 12, 2019Observed: -1.98 ft at 3:40PM Jul 12, 2019Observed: -2.03 ft at 3:50PM Jul 12, 2019Observed: -2.06 ft at 4:00PM Jul 12, 2019Observed: -2.09 ft at 4:10PM Jul 12, 2019Observed: -2.03 ft at 4:20PM Jul 12, 2019Observed: -2.06 ft at 4:30PM Jul 12, 2019Observed: -2.07 ft at 4:40PM Jul 12, 2019Observed: -2.06 ft at 4:50PM Jul 12, 2019Observed: -1.98 ft at 5:00PM Jul 12, 2019Observed: -2 ft at 5:10PM Jul 12, 2019Observed: -2 ft at 5:20PM Jul 12, 2019Observed: -2.01 ft at 5:30PM Jul 12, 2019Observed: -2 ft at 5:40PM Jul 12, 2019Observed: -2.02 ft at 5:50PM Jul 12, 2019Observed: -2.05 ft at 6:00PM Jul 12, 2019Observed: -2.02 ft at 6:10PM Jul 12, 2019Observed: -1.99 ft at 6:20PM Jul 12, 2019Observed: -2 ft at 6:30PM Jul 12, 2019Observed: -2 ft at 6:40PM Jul 12, 2019Observed: -1.97 ft at 6:50PM Jul 12, 2019Observed: -1.95 ft at 7:00PM Jul 12, 2019Observed: -2.01 ft at 7:10PM Jul 12, 2019Observed: -2.08 ft at 7:20PM Jul 12, 2019Observed: -2.04 ft at 7:30PM Jul 12, 2019Observed: -1.98 ft at 7:40PM Jul 12, 2019Observed: -1.96 ft at 7:50PM Jul 12, 2019Observed: -1.98 ft at 8:00PM Jul 12, 2019Observed: -2 ft at 8:10PM Jul 12, 2019Observed: -1.98 ft at 8:20PM Jul 12, 2019Observed: -1.95 ft at 8:30PM Jul 12, 2019Observed: -1.99 ft at 8:40PM Jul 12, 2019Observed: -1.96 ft at 8:50PM Jul 12, 2019Observed: -1.95 ft at 9:00PM Jul 12, 2019Observed: -1.91 ft at 9:10PM Jul 12, 2019Observed: -1.92 ft at 9:20PM Jul 12, 2019Observed: -1.98 ft at 9:30PM Jul 12, 2019Observed: -2.01 ft at 9:40PM Jul 12, 2019Observed: -2 ft at 9:50PM Jul 12, 2019Observed: -1.96 ft at 10:00PM Jul 12, 2019Observed: -2 ft at 10:10PM Jul 12, 2019Observed: -2.01 ft at 10:20PM Jul 12, 2019Observed: -1.97 ft at 10:30PM Jul 12, 2019Observed: -1.92 ft at 10:40PM Jul 12, 2019Observed: -1.99 ft at 10:50PM Jul 12, 2019Observed: -1.97 ft at 11:00PM Jul 12, 2019Observed: -1.92 ft at 11:10PM Jul 12, 2019Observed: -1.94 ft at 11:20PM Jul 12, 2019Observed: -1.93 ft at 11:30PM Jul 12, 2019Observed: -1.86 ft at 11:40PM Jul 12, 2019Observed: -1.92 ft at 11:50PM Jul 12, 2019Observed: -1.87 ft at 12:00AM Jul 13, 2019Observed: -1.88 ft at 12:10AM Jul 13, 2019Observed: -1.92 ft at 12:20AM Jul 13, 2019Observed: -1.91 ft at 12:30AM Jul 13, 2019Observed: -1.92 ft at 12:40AM Jul 13, 2019Observed: -1.96 ft at 12:50AM Jul 13, 2019Observed: -1.94 ft at 1:00AM Jul 13, 2019Observed: -2 ft at 1:10AM Jul 13, 2019Observed: -2.01 ft at 1:20AM Jul 13, 2019Observed: -2.01 ft at 1:30AM Jul 13, 2019Observed: -1.96 ft at 1:40AM Jul 13, 2019Observed: -1.95 ft at 1:50AM Jul 13, 2019Observed: -1.99 ft at 2:00AM Jul 13, 2019Observed: -1.92 ft at 2:10AM Jul 13, 2019Observed: -2.01 ft at 2:20AM Jul 13, 2019Observed: -2.05 ft at 2:30AM Jul 13, 2019Observed: -2.04 ft at 2:40AM Jul 13, 2019Observed: -2.02 ft at 2:50AM Jul 13, 2019Observed: -1.99 ft at 3:00AM Jul 13, 2019Observed: -1.99 ft at 3:10AM Jul 13, 2019Observed: -1.98 ft at 3:20AM Jul 13, 2019Observed: -2 ft at 3:30AM Jul 13, 2019Observed: -1.98 ft at 3:40AM Jul 13, 2019Observed: -1.99 ft at 3:50AM Jul 13, 2019Observed: -1.97 ft at 4:00AM Jul 13, 2019Observed: -1.97 ft at 4:10AM Jul 13, 2019Observed: -1.96 ft at 4:20AM Jul 13, 2019Observed: -1.95 ft at 4:30AM Jul 13, 2019Observed: -1.96 ft at 4:40AM Jul 13, 2019Observed: -1.95 ft at 4:50AM Jul 13, 2019Observed: -1.96 ft at 5:00AM Jul 13, 2019Observed: -1.92 ft at 5:10AM Jul 13, 2019Observed: -1.85 ft at 5:20AM Jul 13, 2019Observed: -1.91 ft at 5:30AM Jul 13, 2019Observed: -1.93 ft at 5:40AM Jul 13, 2019Observed: -1.92 ft at 5:50AM Jul 13, 2019Observed: -1.9 ft at 6:00AM Jul 13, 2019Observed: -1.91 ft at 6:10AM Jul 13, 2019Observed: -1.89 ft at 6:20AM Jul 13, 2019Observed: -1.91 ft at 6:30AM Jul 13, 2019Observed: -1.9 ft at 6:40AM Jul 13, 2019Observed: -1.89 ft at 6:50AM Jul 13, 2019Observed: -1.89 ft at 7:00AM Jul 13, 2019Observed: -1.89 ft at 7:10AM Jul 13, 2019Observed: -1.88 ft at 7:20AM Jul 13, 2019Observed: -1.88 ft at 7:30AM Jul 13, 2019Observed: -1.91 ft at 7:40AM Jul 13, 2019Observed: -1.94 ft at 7:50AM Jul 13, 2019Observed: -1.97 ft at 8:00AM Jul 13, 2019Observed: -1.94 ft at 8:10AM Jul 13, 2019Observed: -1.93 ft at 8:20AM Jul 13, 2019Observed: -1.91 ft at 8:30AM Jul 13, 2019Observed: -1.9 ft at 8:40AM Jul 13, 2019Observed: -1.9 ft at 8:50AM Jul 13, 2019Observed: -1.9 ft at 9:00AM Jul 13, 2019Observed: -1.88 ft at 9:10AM Jul 13, 2019Observed: -1.87 ft at 9:20AM Jul 13, 2019Observed: -1.84 ft at 9:30AM Jul 13, 2019Observed: -1.85 ft at 9:40AM Jul 13, 2019Observed: -1.82 ft at 9:50AM Jul 13, 2019Observed: -1.82 ft at 10:00AM Jul 13, 2019Observed: -1.8 ft at 10:10AM Jul 13, 2019Observed: -1.79 ft at 10:20AM Jul 13, 2019Observed: -1.79 ft at 10:30AM Jul 13, 2019Observed: -1.76 ft at 10:40AM Jul 13, 2019Observed: -1.83 ft at 10:50AM Jul 13, 2019Observed: -1.87 ft at 11:00AM Jul 13, 2019Observed: -1.82 ft at 11:10AM Jul 13, 2019Observed: -1.85 ft at 11:20AM Jul 13, 2019Observed: -1.83 ft at 11:30AM Jul 13, 2019Observed: -1.84 ft at 11:40AM Jul 13, 2019Observed: -1.77 ft at 11:50AM Jul 13, 2019Observed: -1.85 ft at 12:00PM Jul 13, 2019Observed: -1.88 ft at 12:10PM Jul 13, 2019Observed: -1.88 ft at 12:20PM Jul 13, 2019Observed: -1.84 ft at 12:30PM Jul 13, 2019Observed: -1.84 ft at 12:40PM Jul 13, 2019Observed: -1.82 ft at 12:50PM Jul 13, 2019Observed: -1.8 ft at 1:00PM Jul 13, 2019Observed: -1.75 ft at 1:10PM Jul 13, 2019Observed: -1.83 ft at 1:20PM Jul 13, 2019Observed: -1.83 ft at 1:30PM Jul 13, 2019Observed: -1.82 ft at 1:40PM Jul 13, 2019Observed: -1.86 ft at 1:50PM Jul 13, 2019Observed: -1.86 ft at 2:00PM Jul 13, 2019Observed: -1.9 ft at 2:10PM Jul 13, 2019Observed: -1.87 ft at 2:20PM Jul 13, 2019Observed: -1.81 ft at 2:30PM Jul 13, 2019Observed: -1.91 ft at 2:40PM Jul 13, 2019Observed: -1.89 ft at 2:50PM Jul 13, 2019Observed: -1.9 ft at 3:00PM Jul 13, 2019Observed: -1.91 ft at 3:10PM Jul 13, 2019Observed: -1.85 ft at 3:20PM Jul 13, 2019Observed: -1.9 ft at 3:30PM Jul 13, 2019Observed: -1.92 ft at 3:40PM Jul 13, 2019Observed: -1.92 ft at 3:50PM Jul 13, 2019Observed: -1.9 ft at 4:00PM Jul 13, 2019Observed: -1.85 ft at 4:10PM Jul 13, 2019Observed: -1.93 ft at 4:20PM Jul 13, 2019Observed: -1.92 ft at 4:30PM Jul 13, 2019Observed: -1.94 ft at 4:40PM Jul 13, 2019Observed: -1.88 ft at 4:50PM Jul 13, 2019Observed: -1.88 ft at 5:00PM Jul 13, 2019Observed: -1.92 ft at 5:10PM Jul 13, 2019Observed: -1.91 ft at 5:20PM Jul 13, 2019Observed: -1.92 ft at 5:30PM Jul 13, 2019Observed: -1.88 ft at 5:40PM Jul 13, 2019Observed: -1.92 ft at 5:50PM Jul 13, 2019Observed: -1.93 ft at 6:00PM Jul 13, 2019Observed: -1.98 ft at 6:10PM Jul 13, 2019Observed: -1.94 ft at 6:20PM Jul 13, 2019Observed: -1.97 ft at 6:30PM Jul 13, 2019Observed: -1.98 ft at 6:40PM Jul 13, 2019Observed: -1.97 ft at 6:50PM Jul 13, 2019Observed: -1.96 ft at 7:00PM Jul 13, 2019Observed: -1.92 ft at 7:10PM Jul 13, 2019Observed: -1.93 ft at 7:20PM Jul 13, 2019Observed: -1.96 ft at 7:30PM Jul 13, 2019Observed: -1.96 ft at 7:40PM Jul 13, 2019Observed: -1.97 ft at 7:50PM Jul 13, 2019Observed: -1.96 ft at 8:00PM Jul 13, 2019Observed: -1.98 ft at 8:10PM Jul 13, 2019Observed: -1.98 ft at 8:20PM Jul 13, 2019Observed: -1.95 ft at 8:30PM Jul 13, 2019Observed: -1.89 ft at 8:40PM Jul 13, 2019Observed: -1.91 ft at 8:50PM Jul 13, 2019Observed: -1.91 ft at 9:00PM Jul 13, 2019Observed: -1.93 ft at 9:10PM Jul 13, 2019Observed: -1.86 ft at 9:20PM Jul 13, 2019Observed: -1.9 ft at 9:30PM Jul 13, 2019Observed: -1.9 ft at 9:40PM Jul 13, 2019Observed: -1.9 ft at 9:50PM Jul 13, 2019Observed: -1.88 ft at 10:00PM Jul 13, 2019Observed: -1.82 ft at 10:10PM Jul 13, 2019Observed: -1.9 ft at 10:20PM Jul 13, 2019Observed: -1.88 ft at 10:30PM Jul 13, 2019Observed: -1.88 ft at 10:40PM Jul 13, 2019Observed: -1.82 ft at 10:50PM Jul 13, 2019Observed: -1.81 ft at 11:00PM Jul 13, 2019Observed: -1.85 ft at 11:10PM Jul 13, 2019Observed: -1.8 ft at 11:20PM Jul 13, 2019Observed: -1.75 ft at 11:30PM Jul 13, 2019Observed: -1.82 ft at 11:40PM Jul 13, 2019Observed: -1.8 ft at 11:50PM Jul 13, 2019Observed: -1.8 ft at 12:00AM Jul 14, 2019Observed: -1.78 ft at 12:10AM Jul 14, 2019Observed: -1.78 ft at 12:20AM Jul 14, 2019Observed: -1.79 ft at 12:30AM Jul 14, 2019Observed: -1.78 ft at 12:40AM Jul 14, 2019Observed: -1.86 ft at 12:50AM Jul 14, 2019Observed: -1.77 ft at 1:00AM Jul 14, 2019Observed: -1.78 ft at 1:10AM Jul 14, 2019Observed: -1.82 ft at 1:20AM Jul 14, 2019Observed: -1.79 ft at 1:30AM Jul 14, 2019Observed: -1.74 ft at 1:40AM Jul 14, 2019Observed: -1.79 ft at 1:50AM Jul 14, 2019Observed: -1.78 ft at 2:00AM Jul 14, 2019Observed: -1.79 ft at 2:10AM Jul 14, 2019Observed: -1.76 ft at 2:20AM Jul 14, 2019Observed: -1.75 ft at 2:30AM Jul 14, 2019Observed: -1.7 ft at 2:40AM Jul 14, 2019Observed: -1.74 ft at 2:50AM Jul 14, 2019Observed: -1.74 ft at 3:00AM Jul 14, 2019Observed: -1.74 ft at 3:10AM Jul 14, 2019Observed: -1.72 ft at 3:20AM Jul 14, 2019Observed: -1.73 ft at 3:30AM Jul 14, 2019Observed: -1.71 ft at 3:40AM Jul 14, 2019Observed: -1.7 ft at 3:50AM Jul 14, 2019Observed: -1.71 ft at 4:00AM Jul 14, 2019Observed: -1.72 ft at 4:10AM Jul 14, 2019Observed: -1.72 ft at 4:20AM Jul 14, 2019Observed: -1.73 ft at 4:30AM Jul 14, 2019Observed: -1.78 ft at 4:40AM Jul 14, 2019Observed: -1.76 ft at 4:50AM Jul 14, 2019Observed: -1.74 ft at 5:00AM Jul 14, 2019Observed: -1.76 ft at 5:10AM Jul 14, 2019Observed: -1.76 ft at 5:20AM Jul 14, 2019Observed: -1.77 ft at 5:30AM Jul 14, 2019Observed: -1.76 ft at 5:40AM Jul 14, 2019Observed: -1.74 ft at 5:50AM Jul 14, 2019Observed: -1.73 ft at 6:00AM Jul 14, 2019Observed: -1.78 ft at 6:10AM Jul 14, 2019Observed: -1.75 ft at 6:20AM Jul 14, 2019Observed: -1.76 ft at 6:30AM Jul 14, 2019Observed: -1.74 ft at 6:40AM Jul 14, 2019Observed: -1.75 ft at 6:50AM Jul 14, 2019Observed: -1.73 ft at 7:00AM Jul 14, 2019Observed: -1.74 ft at 7:10AM Jul 14, 2019Observed: -1.76 ft at 7:20AM Jul 14, 2019Observed: -1.75 ft at 7:30AM Jul 14, 2019Observed: -1.73 ft at 7:40AM Jul 14, 2019Observed: -1.75 ft at 7:50AM Jul 14, 2019Observed: -1.75 ft at 8:00AM Jul 14, 2019Observed: -1.77 ft at 8:10AM Jul 14, 2019Observed: -1.8 ft at 8:20AM Jul 14, 2019Observed: -1.79 ft at 8:30AM Jul 14, 2019Observed: -1.75 ft at 8:40AM Jul 14, 2019Observed: -1.72 ft at 8:50AM Jul 14, 2019Observed: -1.71 ft at 9:00AM Jul 14, 2019Observed: -1.75 ft at 9:10AM Jul 14, 2019Observed: -1.72 ft at 9:20AM Jul 14, 2019Observed: -1.73 ft at 9:30AM Jul 14, 2019Observed: -1.7 ft at 9:40AM Jul 14, 2019Observed: -1.67 ft at 9:50AM Jul 14, 2019Observed: -1.66 ft at 10:00AM Jul 14, 2019Observed: -1.67 ft at 10:10AM Jul 14, 2019Observed: -1.64 ft at 10:20AM Jul 14, 2019Observed: -1.64 ft at 10:30AM Jul 14, 2019Observed: -1.63 ft at 10:40AM Jul 14, 2019Observed: -1.58 ft at 10:50AM Jul 14, 2019Observed: -1.67 ft at 11:00AM Jul 14, 2019Observed: -1.67 ft at 11:10AM Jul 14, 2019Observed: -1.69 ft at 11:20AM Jul 14, 2019Observed: -1.69 ft at 11:30AM Jul 14, 2019Observed: -1.69 ft at 11:40AM Jul 14, 2019Observed: -1.65 ft at 11:50AM Jul 14, 2019Observed: -1.62 ft at 12:00PM Jul 14, 2019Observed: -1.64 ft at 12:10PM Jul 14, 2019Observed: -1.65 ft at 12:20PM Jul 14, 2019Observed: -1.59 ft at 12:30PM Jul 14, 2019Observed: -1.72 ft at 12:40PM Jul 14, 2019Observed: -1.72 ft at 12:50PM Jul 14, 2019Observed: -1.77 ft at 1:00PM Jul 14, 2019Observed: -1.72 ft at 1:10PM Jul 14, 2019Observed: -1.72 ft at 1:20PM Jul 14, 2019Observed: -1.73 ft at 1:30PM Jul 14, 2019Observed: -1.78 ft at 1:40PM Jul 14, 2019Observed: -1.78 ft at 1:50PM Jul 14, 2019Observed: -1.76 ft at 2:00PM Jul 14, 2019Observed: -1.82 ft at 2:10PM Jul 14, 2019Observed: -1.82 ft at 2:20PM Jul 14, 2019Observed: -1.81 ft at 2:30PM Jul 14, 2019Observed: -1.75 ft at 2:40PM Jul 14, 2019Observed: -1.8 ft at 2:50PM Jul 14, 2019Observed: -1.8 ft at 3:00PM Jul 14, 2019Observed: -1.8 ft at 3:10PM Jul 14, 2019Observed: -1.79 ft at 3:20PM Jul 14, 2019Observed: -1.76 ft at 3:30PM Jul 14, 2019Observed: -1.76 ft at 3:40PM Jul 14, 2019Observed: -1.77 ft at 3:50PM Jul 14, 2019Observed: -1.77 ft at 4:00PM Jul 14, 2019Observed: -1.78 ft at 4:10PM Jul 14, 2019Observed: -1.73 ft at 4:20PM Jul 14, 2019Observed: -1.77 ft at 4:30PM Jul 14, 2019Observed: -1.8 ft at 4:40PM Jul 14, 2019Observed: -1.83 ft at 4:50PM Jul 14, 2019Observed: -1.82 ft at 5:00PM Jul 14, 2019Observed: -1.78 ft at 5:10PM Jul 14, 2019Observed: -1.82 ft at 5:20PM Jul 14, 2019Observed: -1.8 ft at 5:30PM Jul 14, 2019Observed: -1.82 ft at 5:40PM Jul 14, 2019Observed: -1.79 ft at 5:50PM Jul 14, 2019Observed: -1.86 ft at 6:00PM Jul 14, 2019Observed: -1.86 ft at 6:10PM Jul 14, 2019Observed: -1.86 ft at 6:20PM Jul 14, 2019Observed: -1.82 ft at 6:30PM Jul 14, 2019Observed: -1.8 ft at 6:40PM Jul 14, 2019Observed: -1.82 ft at 6:50PM Jul 14, 2019Observed: -1.84 ft at 7:00PM Jul 14, 2019Observed: -1.82 ft at 7:10PM Jul 14, 2019Observed: -1.77 ft at 7:20PM Jul 14, 2019Observed: -1.8 ft at 7:30PM Jul 14, 2019Observed: -1.81 ft at 7:40PM Jul 14, 2019Observed: -1.82 ft at 7:50PM Jul 14, 2019Observed: -1.81 ft at 8:00PM Jul 14, 2019Observed: -1.77 ft at 8:10PM Jul 14, 2019Observed: -1.79 ft at 8:20PM Jul 14, 2019Observed: -1.8 ft at 8:30PM Jul 14, 2019Observed: -1.82 ft at 8:40PM Jul 14, 2019Observed: -1.8 ft at 8:50PM Jul 14, 2019Observed: -1.82 ft at 9:00PM Jul 14, 2019Observed: -1.9 ft at 9:10PM Jul 14, 2019Observed: -1.93 ft at 9:20PM Jul 14, 2019Observed: -1.87 ft at 9:30PM Jul 14, 2019Observed: -1.97 ft at 9:40PM Jul 14, 2019Observed: -1.95 ft at 9:50PM Jul 14, 2019Observed: -1.98 ft at 10:00PM Jul 14, 2019Observed: -1.95 ft at 10:10PM Jul 14, 2019Observed: -2 ft at 10:20PM Jul 14, 2019Observed: -2.05 ft at 10:30PM Jul 14, 2019Observed: -2.01 ft at 10:40PM Jul 14, 2019Observed: -2.06 ft at 10:50PM Jul 14, 2019Observed: -2.05 ft at 11:00PM Jul 14, 2019Observed: -2.03 ft at 11:10PM Jul 14, 2019Observed: -2.05 ft at 11:20PM Jul 14, 2019Observed: -2.08 ft at 11:30PM Jul 14, 2019Observed: -2.04 ft at 11:40PM Jul 14, 2019Observed: -2.07 ft at 11:50PM Jul 14, 2019Observed: -2.04 ft at 12:00AM Jul 15, 2019Observed: -2.02 ft at 12:30AM Jul 15, 2019Observed: -2.03 ft at 12:40AM Jul 15, 2019Observed: -2.03 ft at 12:50AM Jul 15, 2019Observed: -2.03 ft at 1:00AM Jul 15, 2019Observed: -2.06 ft at 1:10AM Jul 15, 2019Observed: -2.08 ft at 1:20AM Jul 15, 2019Observed: -2.1 ft at 1:30AM Jul 15, 2019Observed: -2.09 ft at 1:40AM Jul 15, 2019Observed: -2.07 ft at 1:50AM Jul 15, 2019Observed: -2.09 ft at 2:00AM Jul 15, 2019Observed: -2.1 ft at 2:10AM Jul 15, 2019Observed: -2.08 ft at 2:20AM Jul 15, 2019Observed: -2.08 ft at 2:30AM Jul 15, 2019Observed: -2.09 ft at 2:40AM Jul 15, 2019Observed: -2.11 ft at 2:50AM Jul 15, 2019Observed: -2.14 ft at 3:00AM Jul 15, 2019Observed: -2.16 ft at 3:10AM Jul 15, 2019Observed: -2.16 ft at 3:20AM Jul 15, 2019Observed: -2.16 ft at 3:30AM Jul 15, 2019Observed: -2.16 ft at 3:40AM Jul 15, 2019Observed: -2.16 ft at 3:50AM Jul 15, 2019Observed: -2.16 ft at 4:00AM Jul 15, 2019Observed: -2.18 ft at 4:10AM Jul 15, 2019Observed: -2.15 ft at 4:20AM Jul 15, 2019Observed: -2.17 ft at 4:30AM Jul 15, 2019Observed: -2.17 ft at 4:40AM Jul 15, 2019Observed: -2.18 ft at 4:50AM Jul 15, 2019Observed: -2.19 ft at 5:00AM Jul 15, 2019Observed: -2.2 ft at 5:10AM Jul 15, 2019Observed: -2.2 ft at 5:20AM Jul 15, 2019Observed: -2.21 ft at 5:30AM Jul 15, 2019Observed: -2.22 ft at 5:40AM Jul 15, 2019Observed: -2.22 ft at 5:50AM Jul 15, 2019Observed: -2.22 ft at 6:00AM Jul 15, 2019Observed: -2.22 ft at 6:10AM Jul 15, 2019Observed: -2.23 ft at 6:20AM Jul 15, 2019Observed: -2.23 ft at 6:30AM Jul 15, 2019Observed: -2.24 ft at 6:40AM Jul 15, 2019Observed: -2.25 ft at 6:50AM Jul 15, 2019Observed: -2.25 ft at 7:00AM Jul 15, 2019Observed: -2.25 ft at 7:10AM Jul 15, 2019Observed: -2.24 ft at 7:20AM Jul 15, 2019Observed: -2.2 ft at 7:30AM Jul 15, 2019Observed: -2.27 ft at 7:40AM Jul 15, 2019Observed: -2.27 ft at 7:50AM Jul 15, 2019Observed: -2.28 ft at 8:00AM Jul 15, 2019Observed: -2.27 ft at 8:10AM Jul 15, 2019Observed: -2.29 ft at 8:20AM Jul 15, 2019Observed: -2.33 ft at 8:30AM Jul 15, 2019Observed: -2.34 ft at 8:40AM Jul 15, 2019Observed: -2.33 ft at 8:50AM Jul 15, 2019Observed: -2.32 ft at 9:00AM Jul 15, 2019Observed: -2.31 ft at 9:10AM Jul 15, 2019Observed: -2.32 ft at 9:20AM Jul 15, 2019Observed: -2.33 ft at 9:30AM Jul 15, 2019Observed: -2.37 ft at 9:40AM Jul 15, 2019Observed: -2.39 ft at 9:50AM Jul 15, 2019Observed: -2.38 ft at 10:00AM Jul 15, 2019Observed: -2.36 ft at 10:10AM Jul 15, 2019Observed: -2.34 ft at 10:20AM Jul 15, 2019Observed: -2.36 ft at 10:30AM Jul 15, 2019Observed: -2.35 ft at 10:40AM Jul 15, 2019Observed: -2.4 ft at 10:50AM Jul 15, 2019Observed: -2.38 ft at 11:00AM Jul 15, 2019Observed: -2.35 ft at 11:10AM Jul 15, 2019Observed: -2.33 ft at 11:20AM Jul 15, 2019Observed: -2.3 ft at 11:30AM Jul 15, 2019Observed: -2.34 ft at 11:40AM Jul 15, 2019Observed: -2.33 ft at 11:50AM Jul 15, 2019Observed: -2.45 ft at 12:00PM Jul 15, 2019Observed: -2.41 ft at 12:10PM Jul 15, 2019Observed: -2.36 ft at 12:20PM Jul 15, 2019Observed: -2.32 ft at 12:30PM Jul 15, 2019Observed: -2.32 ft at 12:40PM Jul 15, 2019Observed: -2.34 ft at 12:50PM Jul 15, 2019Observed: -2.26 ft at 1:00PM Jul 15, 2019Observed: -2.3 ft at 1:10PM Jul 15, 2019Observed: -2.27 ft at 1:20PM Jul 15, 2019Observed: -2.24 ft at 1:30PM Jul 15, 2019Observed: -2.27 ft at 1:40PM Jul 15, 2019Observed: -2.26 ft at 1:50PM Jul 15, 2019Observed: -2.22 ft at 2:00PM Jul 15, 2019Observed: -2.27 ft at 2:10PM Jul 15, 2019Observed: -2.29 ft at 2:20PM Jul 15, 2019Observed: -2.22 ft at 2:30PM Jul 15, 2019Observed: -2.23 ft at 2:40PM Jul 15, 2019Observed: -2.23 ft at 2:50PM Jul 15, 2019Observed: -2.25 ft at 3:00PM Jul 15, 2019Observed: -2.18 ft at 3:10PM Jul 15, 2019Observed: -2.23 ft at 3:20PM Jul 15, 2019Observed: -2.16 ft at 3:30PM Jul 15, 2019Observed: -2.2 ft at 3:40PM Jul 15, 2019Observed: -2.17 ft at 3:50PM Jul 15, 2019Observed: -2.2 ft at 4:00PM Jul 15, 2019Observed: -2.16 ft at 4:10PM Jul 15, 2019Observed: -2.22 ft at 4:20PM Jul 15, 2019Observed: -2.23 ft at 4:30PM Jul 15, 2019Observed: -2.22 ft at 4:40PM Jul 15, 2019Observed: -2.16 ft at 4:50PM Jul 15, 2019Observed: -2.2 ft at 5:00PM Jul 15, 2019Observed: -2.2 ft at 5:10PM Jul 15, 2019Observed: -2.18 ft at 5:20PM Jul 15, 2019Observed: -2.19 ft at 5:30PM Jul 15, 2019Observed: -2.19 ft at 5:40PM Jul 15, 2019Observed: -2.19 ft at 5:50PM Jul 15, 2019Observed: -2.12 ft at 6:00PM Jul 15, 2019Observed: -2.13 ft at 6:10PM Jul 15, 2019Observed: -2.14 ft at 6:20PM Jul 15, 2019Observed: -2.13 ft at 6:30PM Jul 15, 2019Observed: -2.08 ft at 6:40PM Jul 15, 2019Observed: -2.13 ft at 6:50PM Jul 15, 2019Observed: -2.1 ft at 7:00PM Jul 15, 2019Observed: -2.12 ft at 7:10PM Jul 15, 2019Observed: -2.04 ft at 7:20PM Jul 15, 2019Observed: -2.08 ft at 7:30PM Jul 15, 2019Observed: -2.09 ft at 7:40PM Jul 15, 2019Observed: -2.09 ft at 7:50PM Jul 15, 2019Observed: -2.09 ft at 8:00PM Jul 15, 2019Observed: -2.14 ft at 8:10PM Jul 15, 2019Observed: -2.16 ft at 8:20PM Jul 15, 2019Observed: -2.1 ft at 8:30PM Jul 15, 2019Observed: -2.08 ft at 8:40PM Jul 15, 2019Observed: -2.12 ft at 8:50PM Jul 15, 2019Observed: -2.16 ft at 9:00PM Jul 15, 2019Observed: -2.19 ft at 9:10PM Jul 15, 2019Observed: -2.19 ft at 9:20PM Jul 15, 2019Observed: -2.17 ft at 9:30PM Jul 15, 2019Observed: -2.21 ft at 9:40PM Jul 15, 2019Observed: -2.22 ft at 9:50PM Jul 15, 2019Observed: -2.14 ft at 10:00PM Jul 15, 2019Observed: -2.19 ft at 10:10PM Jul 15, 2019Observed: -2.17 ft at 10:20PM Jul 15, 2019Observed: -2.17 ft at 10:30PM Jul 15, 2019Observed: -2.16 ft at 10:40PM Jul 15, 2019Observed: -2.11 ft at 10:50PM Jul 15, 2019Observed: -2.16 ft at 11:00PM Jul 15, 2019Observed: -2.1 ft at 11:10PM Jul 15, 2019Observed: -2.14 ft at 11:20PM Jul 15, 2019Observed: -2.14 ft at 11:30PM Jul 15, 2019Observed: -2.14 ft at 11:40PM Jul 15, 2019Observed: -2.16 ft at 11:50PM Jul 15, 2019Observed: -2.12 ft at 12:00AM Jul 16, 2019Observed: -2.11 ft at 12:10AM Jul 16, 2019Observed: -2.18 ft at 12:20AM Jul 16, 2019Observed: -2.19 ft at 12:30AM Jul 16, 2019Observed: -2.19 ft at 12:40AM Jul 16, 2019Observed: -2.18 ft at 12:50AM Jul 16, 2019Observed: -2.17 ft at 1:00AM Jul 16, 2019Observed: -2.17 ft at 1:10AM Jul 16, 2019Observed: -2.17 ft at 1:20AM Jul 16, 2019Observed: -2.18 ft at 1:30AM Jul 16, 2019Observed: -2.18 ft at 1:40AM Jul 16, 2019Observed: -2.2 ft at 1:50AM Jul 16, 2019Observed: -2.22 ft at 2:00AM Jul 16, 2019Observed: -2.2 ft at 2:10AM Jul 16, 2019Observed: -2.2 ft at 2:20AM Jul 16, 2019Observed: -2.18 ft at 2:30AM Jul 16, 2019Observed: -2.17 ft at 2:40AM Jul 16, 2019Observed: -2.16 ft at 2:50AM Jul 16, 2019Observed: -2.17 ft at 3:00AM Jul 16, 2019Observed: -2.17 ft at 3:10AM Jul 16, 2019Observed: -2.17 ft at 3:20AM Jul 16, 2019Observed: -2.16 ft at 3:30AM Jul 16, 2019Observed: -2.15 ft at 3:40AM Jul 16, 2019Observed: -2.14 ft at 3:50AM Jul 16, 2019Observed: -2.14 ft at 4:00AM Jul 16, 2019Observed: -2.13 ft at 4:10AM Jul 16, 2019Observed: -2.13 ft at 4:20AM Jul 16, 2019Observed: -2.13 ft at 4:30AM Jul 16, 2019Observed: -2.12 ft at 4:40AM Jul 16, 2019Observed: -2.1 ft at 4:50AM Jul 16, 2019Observed: -2.11 ft at 5:00AM Jul 16, 2019Observed: -2.11 ft at 5:10AM Jul 16, 2019Observed: -2.08 ft at 5:20AM Jul 16, 2019Observed: -2.1 ft at 5:30AM Jul 16, 2019Observed: -2.11 ft at 5:40AM Jul 16, 2019Observed: -2.13 ft at 5:50AM Jul 16, 2019Observed: -2.12 ft at 6:00AM Jul 16, 2019Observed: -2.14 ft at 6:10AM Jul 16, 2019Observed: -2.12 ft at 6:20AM Jul 16, 2019Observed: -2.16 ft at 6:30AM Jul 16, 2019Observed: -2.17 ft at 6:40AM Jul 16, 2019Observed: -2.19 ft at 6:50AM Jul 16, 2019Observed: -2.17 ft at 7:00AM Jul 16, 2019Observed: -2.14 ft at 7:10AM Jul 16, 2019Observed: -2.15 ft at 7:20AM Jul 16, 2019Observed: -2.14 ft at 7:30AM Jul 16, 2019Observed: -2.12 ft at 7:40AM Jul 16, 2019Observed: -2.15 ft at 7:50AM Jul 16, 2019Observed: -2.13 ft at 8:00AM Jul 16, 2019Observed: -2.14 ft at 8:10AM Jul 16, 2019Observed: -2.11 ft at 8:20AM Jul 16, 2019Observed: -2.18 ft at 8:30AM Jul 16, 2019Observed: -2.18 ft at 8:40AM Jul 16, 2019Observed: -2.18 ft at 8:50AM Jul 16, 2019Observed: -2.13 ft at 9:00AM Jul 16, 2019Observed: -2.13 ft at 9:10AM Jul 16, 2019Observed: -2.08 ft at 9:20AM Jul 16, 2019Observed: -2.1 ft at 9:30AM Jul 16, 2019Observed: -2.1 ft at 9:40AM Jul 16, 2019Observed: -2.09 ft at 9:50AM Jul 16, 2019Observed: -2.06 ft at 10:00AM Jul 16, 2019Observed: -2.09 ft at 10:10AM Jul 16, 2019Observed: -2.03 ft at 10:20AM Jul 16, 2019Observed: -2.14 ft at 10:30AM Jul 16, 2019Observed: -2.14 ft at 10:40AM Jul 16, 2019Observed: -2.08 ft at 10:50AM Jul 16, 2019Observed: -2.04 ft at 11:00AM Jul 16, 2019Observed: -1.99 ft at 11:10AM Jul 16, 2019Observed: -2.06 ft at 11:20AM Jul 16, 2019Observed: -2.04 ft at 11:30AM Jul 16, 2019Observed: -2.02 ft at 11:40AM Jul 16, 2019Observed: -2.05 ft at 11:50AM Jul 16, 2019Observed: -2.04 ft at 12:00PM Jul 16, 2019Observed: -2.02 ft at 12:10PM Jul 16, 2019Observed: -2.01 ft at 12:20PM Jul 16, 2019Observed: -2.01 ft at 12:30PM Jul 16, 2019Observed: -1.97 ft at 12:40PM Jul 16, 2019Observed: -2 ft at 12:50PM Jul 16, 2019Observed: -1.97 ft at 1:00PM Jul 16, 2019Observed: -1.94 ft at 1:10PM Jul 16, 2019Observed: -1.99 ft at 1:20PM Jul 16, 2019Observed: -1.96 ft at 1:30PM Jul 16, 2019Observed: -2.05 ft at 1:40PM Jul 16, 2019Observed: -1.98 ft at 1:50PM Jul 16, 2019Observed: -2.02 ft at 2:00PM Jul 16, 2019Observed: -2 ft at 2:10PM Jul 16, 2019Observed: -1.91 ft at 2:20PM Jul 16, 2019Observed: -1.97 ft at 2:30PM Jul 16, 2019Observed: -2 ft at 2:40PM Jul 16, 2019Observed: -1.97 ft at 2:50PM Jul 16, 2019Observed: -2.03 ft at 3:00PM Jul 16, 2019Observed: -2.01 ft at 3:10PM Jul 16, 2019Observed: -2.02 ft at 3:20PM Jul 16, 2019Observed: -2.03 ft at 3:30PM Jul 16, 2019Observed: -1.99 ft at 3:40PM Jul 16, 2019Observed: -2.03 ft at 3:50PM Jul 16, 2019Observed: -2.06 ft at 4:00PM Jul 16, 2019USGS--Water Resources of the United StatesNBGI2(plotting HGIRP) Graph Created (5:09PM Jul 16, 2019)ObservedLatest observed value: -2.06 ft at 4:00 PM CDT 16-Jul-2019. Flood Stage is 3 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: The observations from this river gauge may be discontinued soon; for additional details please refer to information from the USGS

NOTE: Graphical forecasts are not available for the North Branch Chicago River at Chicago (Grand Ave). 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: 6
Moderate Flood Stage: 5
Flood Stage: 3
Action Stage: 2
Low Stage (in feet): -9999

Historic Crests
(1) 5.70 ft on 10/10/1954
(2) 5.00 ft on 07/24/2010
(3) 4.28 ft on 07/23/2011
(4) 3.72 ft on 10/14/2017
(5) 3.67 ft on 04/18/2013
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 3.72 ft on 10/14/2017
(2) 3.37 ft on 06/15/2015
(3) 2.86 ft on 06/30/2014
(4) 3.67 ft on 04/18/2013
(5) 1.50 ft on 08/26/2012
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
If you notice any errors in the below information, please contact our Webmaster
6.5 Numerous structures flooded near the river in the River West, River North, and West Loop neighborhoods.
6 Railroad tracks near Lake and Canal Streets are threatened.
5.5 A few residences near Grand Avenue are threatened. Railroad tracks near Union Station are threatened.
5 Low-lying parking lots are threatened between Grand Avenue and Chicago Avenue.
3 Numerous stretches of the Chicago Riverwalk are inundated. Opening of the Chicago Lock is triggered to reduce flood impacts.
2 Low-lying sections of the Chicago Riverwalk are threatened.
About This Location Collapse

Latitude: 41.891667° N, Longitude: 87.641667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 3 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 579.20 Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 579.48 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 0.0 Not Available Chicago City Datum

Current/Historical Observations:
Additional Information Collapse
This gage is on the "Chicago City Datum" (CCD). This causes stages at this gauge to often be reported as negative. Stages are not the same as river depth.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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