National Weather Service Outlines Flood Impacts for Great Miami River at Sidney
City officials will begin flood operations at stages above 10 feet along the Great Miami River at Sidney.
2 reports on this incident · first at Aug 19, 2026, 9:12 p.m. ET
Hazard products are revised and cancelled as conditions change. Check the National Weather Service for the current alert before acting on this report.
We last searched for new coverage of this at Aug 19, 2026, 8:42 p.m. ET — checked 2h ago.
Earlier reports
Aug 19, 2026, 9:12 p.m. ETFirst report
Flood Warning Issued for Great Miami River at Sidney
A flood warning is in effect for the Great Miami River at Sidney on August 20, 2026, as conditions develop. Official statements from the National Weather Service Wilmington OH indicate the warning was issued at 8:22 PM EDT on Wednesday, August 19, 2026. The warning starts at 1:25 AM EDT on August 20, 2026, and expires at 2:00 PM EDT on August 20, 2026.
Minor flooding is forecast. According to the National Weather Service Wilmington OH, the river stage was at 6.9 feet at 7:30 PM EDT Wednesday. The river is expected to rise above the 10.0-foot flood stage just after midnight tonight, reaching a crest of 10.3 feet just after midnight, before falling below flood stage tomorrow morning.
At 10.0 feet, the river approaches the bank on the west side of Custenborder Field. The National Weather Service Wilmington OH reported that city officials begin flood operations at stages above 10 feet.
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Revision history
- Version 120 Aug 2026, 01:24current
First published.
- Version 120 Aug 2026, 01:12current
First published.
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