Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Lancaster County, Nebraska

49

Recorded events

0

Direct deaths

0

Direct injuries

$5.1M

Property damage

Flash Flood in Lancaster County, Nebraska: 49 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #616 nationally and #2 statewide for this hazard.

Decade by decade

Flash Flood in Lancaster County, Nebraska: events per decade

Flash Flood in Lancaster County, Nebraska: recorded events per decade
Flash Flood in Lancaster County, Nebraska: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Lancaster County is the 2010s, when 21 of the county's 49 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Lancaster County archive, flash flood makes up 5.1% of all recorded severe weather across 8 hazard types. Nationally the county sits at #616 for this hazard and #2 within Nebraska, putting it in the 79.6 percentile of all U.S. counties.

Seasonality

Events by month

0Jan
0Feb
0Mar
3Apr
17May
14Jun
6Jul
6Aug
2Sep
1Oct
0Nov
0Dec

May is the peak month for flash flood in Lancaster County with 17 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Aug 10, 2025(LNK)LINCOLN ARPT0$0
Jul 2, 2024EMERALD0$100K
Aug 8, 2021AGNEW0$0
Aug 8, 2021WAVERLY0$0
Jul 29, 2020ROCA0$0
Jul 29, 2020HOLLAND0$0
Jul 29, 2020HOLLAND0$0
Jul 29, 2020ROCA0$0
Jun 18, 2020ROCA0$0
Jun 18, 2020BENNET0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Lancaster County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many flash flood events are on record in Lancaster County, Nebraska?

49 flash flood events are recorded in Lancaster County between 1996 and 2025, causing 0 direct deaths.

What is the strongest flash flood recorded in Lancaster County?

The strongest flash flood on record in Lancaster County measured 0.

Where does the flash flood data for Lancaster County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.

Cite this page

“Flash Flood in Lancaster County, Nebraska.” Severe Weather History. severeweatherhistory.com/county/nebraska/lancaster-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov