May 25, 2015
Across already very saturated grounds, a slow moving line of thunderstorms moved into Harris County from central Texas during the evening hours of the 25th. Very heavy rainfall began in the mid evening hours across the northern portions of the county, while additional thunderstorms developed over central Fort Bend County and moved into Harris County from the southwest. A period of thunderstorm cell training occurred from around 10 PM to 1 AM from Fort Bend County into north-central Harris County
Source: NOAA National Weather Service Storm Events Database (event 579782). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Grimes County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.