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: 6:05 PM EDT 08/30/2026 | |||||||||
Location |
Flood Stage (ft.) |
Observed (ft.) |
24-Hr Change |
Crest (ft.) | Forecast for 8.0 AM | ||||
| Mon. | Tue. | Wed. | Thu. | ||||||
| Blanchard River | |||||||||
| 14.0 | 2.54 | -0.0 | - | - | - | - | - | ||
| - | 5.57 | -0.0 | - | - | - | - | - | ||
| 12.0 | 1.04 | -0.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | ||
| 9.0 | 2.59 | -0.0 | - | - | - | - | - | ||
| 6.0 | 0.95 | 0.0 | - | - | - | - | - | ||
| Maumee River | |||||||||
| 17.5 | - | - | - | - | - | - | - | ||
| 11.0 | 2.16 | -0.2 | 2.1 | 2.1 | 2.1 | 2.1 | 2.0 | ||
| 13.0 | 1.59 | 0.0 | - | - | - | - | - | ||
| 14.5 | 2.05 | 0.0 | - | - | - | - | - | ||
| Portage River | |||||||||
| 11.0 | 1.74 | 0.0 | - | - | - | - | - | ||
| 12.0 | 1.98 | -0.0 | - | - | - | - | - | ||
| Sandusky River | |||||||||
| 8.5 | 0.53 | -0.0 | - | - | - | - | - | ||
| 13.0 | 1.28 | -0.0 | - | - | - | - | - | ||
| 9.0 | 1.32 | -0.1 | 1.3 | 1.3 | 1.3 | 1.2 | 1.2 | ||
| 10.0 | 1.03 | -0.0 | 1.0 | 1.0 | 1.0 | 1.0 | 0.9 | ||
| 8.5 | 2.02 | -0.0 | - | - | - | - | - | ||
| - | 1.94 | 0.0 | - | - | - | - | - | ||
| 16.5 | - | - | - | - | - | - | - | ||
| - | 3.59 | 0.0 | - | - | - | - | - | ||
| Huron River | |||||||||
| 18.0 | 5.76 | 0.0 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | ||
| - | 1.02 | 0.0 | - | - | - | - | - | ||
| Vermilion River | |||||||||
| 9.0 | 1.99 | -0.0 | - | - | - | - | - | ||
| Black River | |||||||||
| 9.5 | 0.53 | -0.0 | - | - | - | - | - | ||
| Rocky River | |||||||||
| - | 5.61 | 0.0 | - | - | - | - | - | ||
| 17.5 | 6.41 | -0.0 | - | - | - | - | - | ||
| 14.0 | 5.31 | -0.0 | - | - | - | - | - | ||
| 8.0 | 1.27 | 0.0 | - | - | - | - | - | ||
| - | 0.29 | 0.0 | - | - | - | - | - | ||
| - | 0.96 | -0.0 | - | - | - | - | - | ||
| - | 1.72 | 0.0 | - | - | - | - | - | ||
| - | 2.33 | 0.0 | - | - | - | - | - | ||
| - | 1.47 | 0.0 | - | - | - | - | - | ||
| Cuyahoga River | |||||||||
| 7.0 | 1.81 | -0.0 | - | - | - | - | - | ||
| 10.5 | 2.51 | 0.0 | - | - | - | - | - | ||
| 12.0 | 2.33 | -0.0 | - | - | - | - | - | ||
| 17.0 | 2.77 | -0.0 | 2.8 | 2.7 | 2.6 | 2.5 | 2.4 | ||
| - | 22.28 | -0.0 | - | - | - | - | - | ||
| - | 4.7 | +0.2 | - | - | - | - | - | ||
| 9.5 | 0.84 | 0.0 | - | - | - | - | - | ||
| 13.0 | 2.85 | -0.0 | - | - | - | - | - | ||
| 9.5 | 2.2 | -0.0 | - | - | - | - | - | ||
| Chippewa Creek | |||||||||
| - | 5.16 | 0.0 | - | - | - | - | - | ||
| - | 2.02 | 0.0 | - | - | - | - | - | ||
| West Creek | |||||||||
| - | 8.93 | 0.0 | - | - | - | - | - | ||
| 10.0 | - | - | - | - | - | - | - | ||
| - | 3.18 | 0.0 | - | - | - | - | - | ||
| Mill Creek | |||||||||
| 7.5 | 1.47 | - | - | - | - | - | - | ||
| - | 0.97 | -0.0 | - | - | - | - | - | ||
| Big Creek | |||||||||
| - | 3.95 | 0.0 | - | - | - | - | - | ||
| - | 1.92 | 0.0 | - | - | - | - | - | ||
| 11.0 | 2.12 | 0.0 | - | - | - | - | - | ||
| Euclid Creek | |||||||||
| - | 0.23 | 0.0 | - | - | - | - | - | ||
| - | 1.32 | -0.0 | - | - | - | - | - | ||
| - | 2.29 | -0.0 | - | - | - | - | - | ||
| - | 1.68 | -0.0 | - | - | - | - | - | ||
| Chagrin River | |||||||||
| 12.0 | 3.33 | -0.1 | - | - | - | - | - | ||
| - | 6.33 | -0.0 | - | - | - | - | - | ||
| - | 0.78 | 0.0 | - | - | - | - | - | ||
| Grand River | |||||||||
| 12.5 | 1.92 | -0.1 | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | ||
| Conneaut Creek | |||||||||
| - | 1.6 | -0.0 | - | - | - | - | - | ||
| Walnut Creek | |||||||||
| - | 1.48 | 0.0 | - | - | - | - | - | ||
| - | 3.19 | -0.0 | - | - | - | - | - | ||
| Scioto River | |||||||||
| 12.0 | 1.75 | -0.1 | - | - | - | - | - | ||
| 12.0 | 1.77 | -0.1 | - | - | - | - | - | ||
| - | 1.47 | -0.0 | - | - | - | - | - | ||
| 9.0 | 1.77 | 0.0 | - | - | - | - | - | ||
| Kokosing River | |||||||||
| - | 21.32 | 0.0 | - | - | - | - | - | ||
| 14.0 | 2.41 | -0.0 | - | - | - | - | - | ||
| Mohican River | |||||||||
| 15.5 | 5.74 | 0.0 | - | - | - | - | - | ||
| 1007.0 | 997.18 | -0.1 | - | - | - | - | - | ||
| 1000.0 | 983.61 | -0.0 | - | - | - | - | - | ||
| 10.0 | 3.15 | 0.0 | - | - | - | - | - | ||
| - | 4.89 | 0.0 | - | - | - | - | - | ||
| - | 3.98 | 0.0 | - | - | - | - | - | ||
| - | 6.23 | -0.0 | - | - | - | - | - | ||
| 12.0 | 1.96 | -0.0 | - | - | - | - | - | ||
| - | 1020.19 | -0.0 | - | - | - | - | - | ||
| - | 967.98 | -0.0 | - | - | - | - | - | ||
| - | 934.34 | -0.0 | - | - | - | - | - | ||
| 944.0 | 934.15 | -0.0 | - | - | - | - | - | ||
| Killbuck Creek | |||||||||
| 15.0 | 6.47 | -0.0 | 6.4 | 6.4 | 6.3 | 6.2 | 6.1 | ||
| - | 4.38 | 0.0 | - | - | - | - | - | ||
| Tuscarawas River | |||||||||
| 13.0 | 2.92 | -0.0 | - | - | - | - | - | ||
| 18.0 | 8.0 | -0.1 | - | - | - | - | - | ||
| 16.0 | 4.88 | -0.0 | - | - | - | - | - | ||
| - | 4.89 | -0.0 | - | - | - | - | - | ||
| - | - | - | - | - | - | - | - | ||
| 19.5 | 1.37 | -0.0 | - | - | - | - | - | ||
| - | 0.92 | 0.0 | - | - | - | - | - | ||
| - | 3.67 | -0.0 | - | - | - | - | - | ||
| - | 1.46 | -0.0 | - | - | - | - | - | ||
| - | 4.75 | -0.0 | - | - | - | - | - | ||
| Nimishillen Creek | |||||||||
| 9.5 | 3.93 | 0.0 | - | - | - | - | - | ||
| 9.0 | 3.54 | -0.0 | - | - | - | - | - | ||
| 6.0 | 1.22 | -0.0 | - | - | - | - | - | ||
| 11.0 | 3.71 | -0.0 | - | - | - | - | - | ||
| 10.0 | 3.86 | 0.0 | - | - | - | - | - | ||
| 8.0 | 1.83 | -0.0 | - | - | - | - | - | ||
| - | 4.69 | -0.1 | - | - | - | - | - | ||
| Mahoning River | |||||||||
| - | 3.6 | 0.0 | - | - | - | - | - | ||
| 1031.31 | 1023.08 | -0.1 | - | - | - | - | - | ||
| 5.36 | 2.29 | -0.1 | - | - | - | - | - | ||
| 950.43 | 947.57 | -0.0 | - | - | - | - | - | ||
| - | 1.72 | 0.0 | - | - | - | - | - | ||
| 992.55 | 983.15 | 0.0 | - | - | - | - | - | ||
| 9.6 | 1.9 | 0.0 | - | - | - | - | - | ||
| 9.5 | 3.86 | -0.1 | - | - | - | - | - | ||
| 12.5 | 2.97 | 0.0 | 3.3 | 3.0 | 3.1 | 3.1 | 3.3 | ||
| 10.0 | 2.15 | 0.0 | - | - | - | - | - | ||
| - | 4.28 | -0.0 | - | - | - | - | - | ||
| 903.33 | 899.27 | 0.0 | - | - | - | - | - | ||
| 4.5 | 1.17 | -0.0 | - | - | - | - | - | ||
| 14.0 | 3.43 | 0.0 | - | - | - | - | - | ||
| - | 2.79 | 0.0 | - | - | - | - | - | ||
| 12.0 | 4.07 | 0.0 | - | - | - | - | - | ||
| Pymatuning Creek | |||||||||
| - | 4.86 | -0.1 | - | - | - | - | - | ||
| - | 4.92 | 0.0 | - | - | - | - | - | ||
| French Creek | |||||||||
| 13.0 | 3.56 | -0.0 | - | - | - | - | - | ||
| - | 4.15 | -0.1 | - | - | - | - | - | ||
| 1277.7 | -1.0 | 0.0 | - | - | - | - | - | ||
| 10.2 | 2.43 | -0.2 | - | - | - | - | - | ||
| - | 2.23 | -0.2 | - | - | - | - | - | ||
| - | 6.19 | 0.0 | - | - | - | - | - | ||
| 1208.37 | 1182.41 | -0.1 | - | - | - | - | - | ||
| 10.6 | 7.4 | -0.0 | - | - | - | - | - | ||
| 14.0 | 2.61 | -0.3 | 2.7 | 2.6 | 2.4 | 2.7 | 2.6 | ||