Flash Flood — Sarpy, Nebraska

2025-07-31 · near Gretna, Sarpy, Nebraska

Event narrative

On the morning of July 31st, 2025, intense rainfall moved through the Omaha metropolitan area, causing flash floods in both Sarpy and Douglas Counties. Rainfall rates were estimated at 1.50 to 3.00 inches per hour, with total accumulations ranging from 3.15 to 4.03 inches based on measured reports. At 5:37 AM CST, the Nebraska Department of Transportation confirmed that floodwaters were partially covering sections of US Highway 6 between Ashland and Gretna.

Wider weather episode

On the morning of July 31, 2025, a slow-moving, efficient rainfall-producing thunderstorm impacted the Omaha metropolitan area. Rainfall rates under the heaviest showers were estimated at 1.50 to 3.00 inches per hour. Radar estimates placed total rainfall between 1.25 and 4.00 inches, with observed reports ranging from 3.15 to 4.03 inches across western portions of the Omaha metro in Douglas and Sarpy Counties. Multiple flash flood reports were received, including water partially covering U.S. Highway 6 between Ashland and Gretna at 5:37 AM CST, and water covering West Maple Road near West Papillion Creek, with a stalled vehicle reported in the water at 6:41 AM CST.

View location on OpenStreetMap → (41.1884, -96.3134)

Source: NOAA Storm Events Database, event_id 1283579. Narrative written by the NWS forecast office that issued the report.