Thunderstorm Wind in Lancaster County, Nebraska

A severe thunderstorm moved through the northwest portion of Lancaster County, Nebraska, generating a swath of very strong winds on the morning of August 9th, 2025. The most intense wind report was an estimated gust of 100 mph from an emergency manager in Malcolm at 03:58 CST, which was associated with significant damage in the area, including snapped telephone poles holding the football field lights.

Widespread damaging wind gusts were observed or measured by multiple public and Automated Surface Observing System (ASOS) stations, with several reporting wind speeds exceeding 80 mph. These included an 82 mph measured gust at the Lincoln Airport ASOS station 5 miles west-northwest of Lincoln, an 81 mph measured gust near Valparaiso, and an 84 mph measured gust east-southeast of Raymond.

The damaging winds resulted in noteworthy property damage across the impact area. Near Malcolm, an overturned camper led to five injuries, with two people transported for treatment. Substantial structural damage was also reported, including a law enforcement report of substantial roof damage to two buildings south-southwest of Lincoln, with winds estimated in the 80-90 mph range. Large trees were downed in multiple locations, including one over a foot in diameter falling on a parked vehicle north-northwest of Lincoln. Numerous other trees were snapped off near the ground southwest of Lincoln and south of Malcolm.

The total damage to public infrastructure in Lancaster County from this severe wind event is estimated to be $3,409,322.00. This figure reflects only the costs associated with repairing public assets and does not account for the extensive damage sustained by private and commercial properties throughout Saline County.

A powerful thunderstorm, characterized by a broad swath of destructive winds, swept across eastern Nebraska and western Iowa on the morning of August 9, 2025. The event was responsible for one fatality and seven injuries, as well as widespread property and tree damage. This devastating storm was spawned by a large low-pressure system moving across the northern Great Plains. A trailing front and a strong low-level jet stream, a ribbon of fast-moving air just above the surface, funneled a significant amount of moisture into the area. This created extremely unstable atmospheric conditions that, along with a setup favoring strong downbursts, led to the widespread and damaging winds.

The event began in Saline County, Nebraska, at approximately 3:25 AM CST with numerous reports of high wind gusts and damage. An emergency manager in Friend measured an 84 mph wind gust and reported trees down, power outages, and roof damage. In Seward County, an 82 mph gust was measured by a public weather station 3 miles south-southwest of Seward. At 3:55 AM CST an NWS employee reported large trees down and a shed roof torn off 4 miles south-southwest of Garland.

As the thunderstorm moved into Lancaster County, it produced the highest wind gust of the event at 4:22 AM CST, when the Lincoln Airport (KLNK) ASOS station recorded a 91 mph wind gust. Reports from law enforcement at 4:15 AM CST detailed substantial roof damage to two buildings 3 miles south-southwest of Lincoln. An emergency manager reported an overturned camper at 4:00 AM CST 4 miles north-northwest of Malcolm, which resulted in five injuries, with two people transported to the hospital.

A tragic incident occurred in Douglas County at 4:55 AM CST when a very large, two-foot diameter tree was uprooted and fell onto a vehicle 3 miles east-southeast of Yutan, resulting in one fatality and one injury. An NWS employee estimated an 80 mph gust 4 miles north of Gretna at 4:54 AM CST. The powerful winds extended into Washington County where emergency management reported a large tree fell on a camper 4 miles northeast of Blair, injuring two occupants. A public weather station 1 mile south-southeast of Blair measured an 86 mph gust, and a report from the same location detailed a building roof collapse at 5:26 AM CST.

As the squall line moved into western Iowa, it continued to produce significant winds and damage. At 5:35 AM CST, the KTQE ASOS station 2 miles east-southeast of Tekamah in Burt County measured a 69 mph gust. At 5:43 AM CST, two public weather stations in Missouri Valley, Harrison County, measured a 76 mph gust, and reports from Mondamin and Pisgah indicated a large uprooted tree and snapped power poles and trees. A public weather station 3 miles south-southwest of Blencoe in Monona County measured a 73 mph gust at 5:45 AM CST. The final report came from Shelby County, where law enforcement noted a barn was blown down and trees were damaged 2 miles north of Defiance at 6:05 AM CST.