Mon August 10 New York (Lake Ontario) & Ohio & Pennsylvania Storm
Aug 10 Alley front -- 0.4" delivered, Johnson Creek peaked +14hrs as expected.
Meteorological Analysis
A moderate storm system rolled through the Steelhead Alley region starting on Monday, August 10, 2026 and lasting until Monday, August 10, 2026. The storm was active for approximately 1 hours, dumping a maximum of 0.40" of rain across affected zones. Geographically, the weather system impacted the New York (Lake Ontario), Ohio, Pennsylvania regions, causing rapid water-level rises on multiple tributaries.
Gauges recorded significant river responses, particularly along Black River (peaking at 30 CFS), Cuyahoga River @ Independence (peaking at 391 CFS), Rocky River near Berea (peaking at 84 CFS), Vermilion River @ Vermilion (peaking at 47 CFS), Huron River (peaking at 68 CFS), Elk Creek (peaking at 8 CFS), Walnut Creek (peaking at 8 CFS), Twenty Mile Creek (peaking at 13 CFS), Eighteenmile Creek (Niagara) (peaking at 96 CFS), Brandy Run near Girard (peaking at 1 CFS), Grand River near Painesville (peaking at 75 CFS), Crooked Creek (peaking at 3 CFS), Ashtabula River (peaking at 21 CFS), Conneaut Creek (peaking at 27 CFS), Euclid Creek (peaking at 19 CFS), Chagrin River @ Willoughby (peaking at 255 CFS), Genesee River (peaking at 1,180 CFS), Sandy Creek (Hamlin) (peaking at 62 CFS), Irondequoit Creek (peaking at 105 CFS), Oak Orchard Creek (peaking at 840 CFS), Black River (Watertown) (peaking at 1,290 CFS), Sandy Creek (Adams) (peaking at 71 CFS), Salmon River (peaking at 244 CFS), Johnson Creek (peaking at 97 CFS). Angling conditions deteriorated quickly during the peak flow periods, leading to temporary washouts. Gaging stations monitored the recovery times as flows began returning to their baselines, mapping out the best windows for fishermen to get back on the water.
From a weather prediction standpoint, the NWS forecasts for this event received an aggregate score card grade of 'B'. Gaging observations were matched against NWS precipitation models to assess the forecasting margins, highlighting the variance in local rainfall amounts across the lake shores.
Tributary Response & Recovery
Black River
- Pre-Storm Flow
- N/A
- Observed Peak
- 30 CFS
- Peak Time
- Aug 10, 00:02
- Recovers By
- Aug 10, 02:03
Cuyahoga River @ Independence
- Pre-Storm Flow
- N/A
- Observed Peak
- 391 CFS
- Peak Time
- Aug 10, 00:15
- Recovers By
- Aug 10, 02:48
Rocky River near Berea
- Pre-Storm Flow
- N/A
- Observed Peak
- 84 CFS
- Peak Time
- Aug 10, 00:00
- Recovers By
- Aug 10, 02:33
Vermilion River @ Vermilion
- Pre-Storm Flow
- N/A
- Observed Peak
- 47 CFS
- Peak Time
- Aug 10, 00:02
- Recovers By
- Aug 10, 02:03
Huron River
- Pre-Storm Flow
- 73 CFS
- Observed Peak
- 68 CFS
- Peak Time
- Aug 10, 01:00
- Recovers By
- Aug 10, 01:03
Elk Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 8 CFS
- Peak Time
- Aug 10, 00:45
Walnut Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 8 CFS
- Peak Time
- Aug 10, 00:02
Twenty Mile Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 13 CFS
- Peak Time
- Aug 10, 00:45
Eighteenmile Creek (Niagara)
- Pre-Storm Flow
- N/A
- Observed Peak
- 96 CFS
- Peak Time
- Aug 10, 00:00
Brandy Run near Girard
- Pre-Storm Flow
- N/A
- Observed Peak
- 1 CFS
- Peak Time
- Aug 10, 00:15
Grand River near Painesville
- Pre-Storm Flow
- N/A
- Observed Peak
- 75 CFS
- Peak Time
- Aug 10, 00:15
- Recovers By
- Aug 10, 03:19
Crooked Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 3 CFS
- Peak Time
- Aug 10, 00:45
Ashtabula River
- Pre-Storm Flow
- N/A
- Observed Peak
- 21 CFS
- Peak Time
- Aug 10, 00:45
Conneaut Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 27 CFS
- Peak Time
- Aug 10, 00:45
Euclid Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 19 CFS
- Peak Time
- Aug 10, 00:45
Chagrin River @ Willoughby
- Pre-Storm Flow
- N/A
- Observed Peak
- 255 CFS
- Peak Time
- Aug 10, 00:01
- Recovers By
- Aug 10, 03:19
Genesee River
- Pre-Storm Flow
- N/A
- Observed Peak
- 1,180 CFS
- Peak Time
- Aug 10, 00:45
Sandy Creek (Hamlin)
- Pre-Storm Flow
- N/A
- Observed Peak
- 62 CFS
- Peak Time
- Aug 10, 00:00
Irondequoit Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 105 CFS
- Peak Time
- Aug 10, 00:01
Oak Orchard Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 840 CFS
- Peak Time
- Aug 10, 00:15
Black River (Watertown)
- Pre-Storm Flow
- N/A
- Observed Peak
- 1,290 CFS
- Peak Time
- Aug 10, 00:15
Sandy Creek (Adams)
- Pre-Storm Flow
- N/A
- Observed Peak
- 71 CFS
- Peak Time
- Aug 10, 00:01
Salmon River
- Pre-Storm Flow
- N/A
- Observed Peak
- 244 CFS
- Peak Time
- Aug 10, 01:00
Johnson Creek
- Pre-Storm Flow
- N/A
- Observed Peak
- 97 CFS
- Peak Time
- Aug 10, 00:15
Fishing Guide & Tactics
Looking for advice on how to target steelhead on these rivers when they are recovering from a storm? Check out our master guides:
