Mouse over each site to display hydrograph.
Hydrographs (showing stages and flows over time) are available through AHPS (Advanced Hydrologic Prediction Service) by clicking site names.

| River Conditions at: 9:05 PM EDT 05/16/2026 | |||||||||
Location |
Flood Stage (ft.) |
Observed (ft.) |
24-Hr Change |
Crest (ft.) | Forecast for 8.0 AM | ||||
| Sun. | Mon. | Tue. | Wed. | ||||||
| Blanchard River | |||||||||
| 14.0 | 3.03 | -0.1 | - | - | - | - | - | ||
| - | 5.2 | -0.4 | - | - | - | - | - | ||
| 12.0 | 1.08 | -0.1 | 1.1 | 1.1 | 1.1 | 1.0 | 1.0 | ||
| 9.0 | 3.61 | -0.1 | - | - | - | - | - | ||
| 6.0 | 1.41 | 0.0 | - | - | - | - | - | ||
| Maumee River | |||||||||
| 17.5 | - | - | - | - | - | - | - | ||
| 11.0 | 3.36 | -0.1 | 3.2 | 3.0 | 2.9 | 2.8 | 2.7 | ||
| 13.0 | 1.86 | 0.0 | - | - | - | - | - | ||
| 14.5 | 2.52 | -0.0 | - | - | - | - | - | ||
| Portage River | |||||||||
| 11.0 | 2.76 | -0.2 | - | - | - | - | - | ||
| 12.0 | 2.75 | -0.1 | - | - | - | - | - | ||
| Sandusky River | |||||||||
| 8.5 | 1.01 | 0.0 | - | - | - | - | - | ||
| 13.0 | 1.7 | -0.1 | - | - | - | - | - | ||
| 9.0 | 2.23 | -0.1 | 2.8 | 2.8 | 2.6 | 2.3 | 2.1 | ||
| 10.0 | 1.64 | -0.1 | 2.0 | 2.0 | 1.9 | 1.7 | 1.6 | ||
| 8.5 | 2.34 | -0.1 | - | - | - | - | - | ||
| - | 2.48 | -0.1 | - | - | - | - | - | ||
| 16.5 | - | - | - | - | - | - | - | ||
| - | 3.77 | -0.0 | - | - | - | - | - | ||
| Huron River | |||||||||
| 18.0 | 6.71 | -0.1 | 7.6 | 7.5 | 7.2 | 6.9 | 6.8 | ||
| - | 1.65 | -0.0 | - | - | - | - | - | ||
| Vermilion River | |||||||||
| 9.0 | 2.56 | -0.0 | - | - | - | - | - | ||
| Black River | |||||||||
| 9.5 | 1.59 | -0.1 | - | - | - | - | - | ||
| Rocky River | |||||||||
| - | 5.87 | 0.0 | - | - | - | - | - | ||
| 17.5 | 6.92 | -0.1 | - | - | - | - | - | ||
| 14.0 | 5.67 | -0.1 | - | - | - | - | - | ||
| 8.0 | 1.54 | -0.0 | - | - | - | - | - | ||
| - | 0.48 | -0.0 | - | - | - | - | - | ||
| - | 1.13 | -0.0 | - | - | - | - | - | ||
| - | 1.89 | +0.1 | - | - | - | - | - | ||
| - | 2.51 | 0.0 | - | - | - | - | - | ||
| - | 1.63 | -0.0 | - | - | - | - | - | ||
| Cuyahoga River | |||||||||
| 7.0 | 2.32 | -0.1 | - | - | - | - | - | ||
| 10.5 | 4.36 | +0.4 | - | - | - | - | - | ||
| 12.0 | 4.18 | +0.3 | - | - | - | - | - | ||
| 17.0 | 3.98 | -0.2 | 4.5 | 4.1 | 3.9 | 3.8 | 3.7 | ||
| - | 23.15 | 0.0 | - | - | - | - | - | ||
| - | 4.98 | +0.1 | - | - | - | - | - | ||
| 9.5 | 1.01 | 0.0 | - | - | - | - | - | ||
| 13.0 | 3.1 | 0.0 | - | - | - | - | - | ||
| 9.5 | 2.49 | -0.1 | - | - | - | - | - | ||
| Chippewa Creek | |||||||||
| - | 5.34 | +0.1 | - | - | - | - | - | ||
| - | 2.13 | +0.1 | - | - | - | - | - | ||
| West Creek | |||||||||
| - | 9.04 | 0.0 | - | - | - | - | - | ||
| 10.0 | - | - | - | - | - | - | - | ||
| - | 3.39 | 0.0 | - | - | - | - | - | ||
| Mill Creek | |||||||||
| 7.5 | 1.5 | 0.0 | - | - | - | - | - | ||
| - | 1.0 | -0.0 | - | - | - | - | - | ||
| Big Creek | |||||||||
| - | 3.97 | -0.0 | - | - | - | - | - | ||
| - | 2.51 | -0.0 | - | - | - | - | - | ||
| 11.0 | 2.1 | -0.1 | - | - | - | - | - | ||
| Euclid Creek | |||||||||
| - | 0.52 | +0.2 | - | - | - | - | - | ||
| - | 1.47 | +0.1 | - | - | - | - | - | ||
| - | 2.75 | +0.4 | - | - | - | - | - | ||
| - | 1.8 | +0.1 | - | - | - | - | - | ||
| Chagrin River | |||||||||
| 12.0 | 3.73 | 0.0 | - | - | - | - | - | ||
| - | 6.65 | +0.2 | - | - | - | - | - | ||
| - | 0.93 | +0.1 | - | - | - | - | - | ||
| Grand River | |||||||||
| 12.5 | 2.86 | -0.2 | 2.9 | 2.7 | 2.7 | 2.6 | 2.5 | ||
| Conneaut Creek | |||||||||
| - | 2.2 | -0.1 | - | - | - | - | - | ||
| Walnut Creek | |||||||||
| - | 1.65 | 0.0 | - | - | - | - | - | ||
| - | 3.39 | 0.0 | - | - | - | - | - | ||
| Scioto River | |||||||||
| 12.0 | 2.17 | -0.1 | - | - | - | - | - | ||
| 12.0 | 2.84 | +0.5 | - | - | - | - | - | ||
| - | 2.36 | +0.2 | - | - | - | - | - | ||
| 9.0 | 3.78 | +1.5 | - | - | - | - | - | ||
| Kokosing River | |||||||||
| - | 21.61 | 0.0 | - | - | - | - | - | ||
| 14.0 | 2.89 | 0.0 | - | - | - | - | - | ||
| Mohican River | |||||||||
| 15.5 | 6.59 | +0.5 | - | - | - | - | - | ||
| 1007.0 | 998.01 | -0.1 | - | - | - | - | - | ||
| 1000.0 | 984.82 | -0.1 | - | - | - | - | - | ||
| 10.0 | 5.08 | +0.7 | - | - | - | - | - | ||
| - | 5.4 | +0.5 | - | - | - | - | - | ||
| - | 5.11 | +0.9 | - | - | - | - | - | ||
| - | 8.14 | +0.8 | - | - | - | - | - | ||
| 12.0 | 4.01 | +1.8 | - | - | - | - | - | ||
| - | 1020.55 | +0.1 | - | - | - | - | - | ||
| - | 968.46 | 0.0 | - | - | - | - | - | ||
| - | 936.29 | -0.0 | - | - | - | - | - | ||
| 944.0 | 935.79 | -0.0 | - | - | - | - | - | ||
| Killbuck Creek | |||||||||
| 15.0 | 9.86 | -0.2 | 9.9 | 10.1 | 9.7 | 9.4 | 9.1 | ||
| - | 4.59 | 0.0 | - | - | - | - | - | ||
| Tuscarawas River | |||||||||
| 13.0 | 4.27 | +0.9 | - | - | - | - | - | ||
| 18.0 | 8.46 | -0.0 | - | - | - | - | - | ||
| 16.0 | 6.46 | +0.4 | - | - | - | - | - | ||
| - | 5.88 | +0.6 | - | - | - | - | - | ||
| - | 5.84 | +0.5 | - | - | - | - | - | ||
| 19.5 | 1.46 | +0.1 | - | - | - | - | - | ||
| - | 1.17 | +0.4 | - | - | - | - | - | ||
| - | 3.91 | +0.1 | - | - | - | - | - | ||
| - | 2.28 | +0.1 | - | - | - | - | - | ||
| - | 5.72 | +0.2 | - | - | - | - | - | ||
| Nimishillen Creek | |||||||||
| 9.5 | 4.23 | +0.1 | - | - | - | - | - | ||
| 9.0 | 4.05 | +0.1 | - | - | - | - | - | ||
| 6.0 | 1.76 | -0.0 | - | - | - | - | - | ||
| 11.0 | 4.12 | 0.0 | - | - | - | - | - | ||
| 10.0 | 4.48 | +0.2 | - | - | - | - | - | ||
| 8.0 | 2.01 | -0.1 | - | - | - | - | - | ||
| - | 5.55 | -0.1 | - | - | - | - | - | ||
| Mahoning River | |||||||||
| - | 3.72 | -0.0 | - | - | - | - | - | ||
| 1031.31 | 1024.97 | -0.2 | - | - | - | - | - | ||
| 5.36 | 2.99 | +0.1 | - | - | - | - | - | ||
| 950.43 | 947.73 | -0.0 | - | - | - | - | - | ||
| - | 1.9 | 0.0 | - | - | - | - | - | ||
| 992.55 | 985.5 | -0.1 | - | - | - | - | - | ||
| 9.6 | 4.5 | -1.4 | - | - | - | - | - | ||
| 9.5 | 4.65 | -0.1 | - | - | - | - | - | ||
| 12.5 | 4.86 | -0.7 | 4.8 | 4.5 | 3.3 | 3.3 | 3.2 | ||
| 10.0 | 3.48 | -0.5 | - | - | - | - | - | ||
| - | 4.65 | -0.0 | - | - | - | - | - | ||
| 903.33 | 901.05 | -0.1 | - | - | - | - | - | ||
| 4.5 | 2.22 | -0.5 | - | - | - | - | - | ||
| 14.0 | 4.73 | -0.4 | - | - | - | - | - | ||
| - | 4.09 | -0.4 | - | - | - | - | - | ||
| 12.0 | 4.38 | -0.0 | - | - | - | - | - | ||
| Pymatuning Creek | |||||||||
| - | 6.27 | -0.2 | - | - | - | - | - | ||
| - | 5.04 | +0.3 | - | - | - | - | - | ||
| French Creek | |||||||||
| 13.0 | 4.19 | 0.0 | - | - | - | - | - | ||
| - | 4.89 | -0.2 | - | - | - | - | - | ||
| 1277.7 | 1230.2 | +1231.2 | - | - | - | - | - | ||
| 10.2 | 4.16 | -0.1 | - | - | - | - | - | ||
| - | 3.7 | -0.3 | - | - | - | - | - | ||
| - | 6.75 | +0.1 | - | - | - | - | - | ||
| 1208.37 | 1183.98 | -0.7 | - | - | - | - | - | ||
| 10.6 | 8.77 | -0.0 | - | - | - | - | - | ||
| 14.0 | 4.98 | -0.2 | 4.9 | 4.6 | 4.2 | 4.0 | 3.7 | ||