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Flood — Grayson, KY

Feb 22, 2018

Repeated rounds of moderate to heavy rainfall across the entire Ohio River basin totaled between 8 to 9 inches across central Kentucky from February 15 to February 28. These totals were generally 7+ inches, or 200 to 400% of normal values for mid to late February. The large areal extent of the excessive rainfall led to significant rises on area rivers, including the Ohio River. The Ohio River along the Indiana and Kentucky border rose into Moderate to Major flood stage. This resulted in numerous

Source: NOAA National Weather Service Storm Events Database (event 736660). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Grayson, KY

This event is one of many recorded floods in Grayson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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More Flood Stories

Flash Flood$30K damage

Grayson, KY · Jun 28, 2020

During a time without any major weather systems moving through the region, a moist atmosphere with differential heating and remaining outflows from earlier thunderstorms was enough for thunderstorms and heavy rain to develop across central Kentucky.

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Flash Flood$15K damage

Grayson, KY · Jun 28, 2020

During a time without any major weather systems moving through the region, a moist atmosphere with differential heating and remaining outflows from earlier thunderstorms was enough for thunderstorms and heavy rain to develop across central Kentucky.

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Flash Flood$10K damage

Grayson, KY · Nov 30, 2019

A low pressure system approached central Kentucky from the west with a warm front extending to the east and a cold front to the south. Early in the day as the warm front moved north through central Kentucky, the lift provided by the front caused widespread heavy rainfall in…

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Flash Flood

Grayson, KY · Apr 3, 2025

On the night of April 2nd, 2025, a cold front approached the lower Ohio Valley. Along and ahead of the cold front, numerous supercells developed over southern Illinois and western Kentucky.

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