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Flood in Seward County, Nebraska

30 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

30 events · 0 deaths recorded · peak month May · county share of state 1.3%

2025-09-01: Flood2025-09-01: Flood2024-07-02: Flood2023-07-04: Flood2023-07-04: Flood2021-06-24: Flood2019-03-13: Flood2016-05-28: Flood2015-06-11: Flood2015-06-05: Flood2015-05-07: Flood2014-08-28: Flood2014-05-12: Flood2014-05-12: Flood2014-05-11: Flood2014-05-11: Flood2010-06-21: Flood2010-06-21: Flood2008-10-22: Flood2008-07-16: Flood2008-06-06: Flood2008-06-05: Flood2005-05-12: Flood
Flood event locations in and around Seward County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

NCEI records 30 flood events in Seward County, Nebraska, between 1950 and 2026, spread over 16 years.

May is the busiest month, with 10 of the recorded events. The last 20 years account for 22 events against 8 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.3% of the 2,363 flood events recorded in Nebraska; its 5.2 per 100 square miles compares with 3.1 statewide.

Compared with Nebraska

MeasureSeward CountyNebraskaUS
Flood events since 1950302,363183,559
Per 100 square miles5.23.15.2
Per 10,000 residents17.012.05.5
Deaths recorded0132,961
Busiest monthMayJuneJune

By year

195019882026
Flood events recorded in Seward County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
0
Feb
0
Mar
1
Apr
0
May
10
Jun
9
Jul
5
Aug
2
Sep
2
Oct
1
Nov
0
Dec
0
Flood events in Seward County by month of occurrence, all years.

Recorded events

All 30 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
1 Sep 2025Flood—————County
1 Sep 2025Flood—————County
2 Jul 2024Flash Flood——$5K——County
4 Jul 2023Flash Flood—————County
4 Jul 2023Flash Flood—————County
24 Jun 2021Flash Flood—————County
13 Mar 2019Flood—————County
28 May 2016Flood—————County
11 Jun 2015Flood——$20K——County
5 Jun 2015Flood—$100K$75K——County
7 May 2015Flood——$10K——County
28 Aug 2014Flood—$5K$10K——County
12 May 2014Flood—————County
12 May 2014Flood—————County
11 May 2014Flood—$2K———County
11 May 2014Flash Flood—$10K———County
21 Jun 2010Flash Flood—$5K———County
21 Jun 2010Flood—$10K———County
22 Oct 2008Flood—$10K———County
16 Jul 2008Flood—$25K———County
6 Jun 2008Flood—————County
5 Jun 2008Flood—————County
12 May 2005Flood—$200K———Forecast zone
12 May 2005Flash Flood—————County
24 Aug 2002Flood—————County
14 Jun 2001Flash Flood—————County
1 Jul 1999Flood—————Forecast zone
27 Jun 1999Flood—————Forecast zone
21 May 1998Flash Flood—————County
27 May 1996Flood—$100K———Forecast zone

Questions and answers

How many flood events has Seward County had?

30 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.

When was the last recorded flood event in Seward County?

1 Sep 2025 (Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Seward County?

The flood of 12 May 2005, with property damage estimated by NCEI at $200K.

How does Seward County compare with Nebraska for flood?

5.2 events per 100 square miles against 3.1 statewide; the county holds 30 of the state's 2,363 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.