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Flood in Thayer County, Nebraska
21 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
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.
Thayer County, Nebraska, has 21 flood events in the NCEI record since 1950, with at least one in 11 different years.
June is the busiest month, with 7 of the recorded events. The last 20 years account for 14 events against 7 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.9% of the 2,363 flood events recorded in Nebraska; its 3.7 per 100 square miles compares with 3.1 statewide.
Compared with Nebraska
| Measure | Thayer County | Nebraska | US |
|---|---|---|---|
| Flood events since 1950 | 21 | 2,363 | 183,559 |
| Per 100 square miles | 3.7 | 3.1 | 5.2 |
| Per 10,000 residents | 42.7 | 12.0 | 5.5 |
| Deaths recorded | 0 | 13 | 2,961 |
| Busiest month | June | June | June |
By year
Seasonality
0Feb
0Mar
0Apr
1May
4Jun
7Jul
3Aug
1Sep
4Oct
1Nov
0Dec
0
Recorded events
All 21 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 29 Jul 2020 | Flash Flood | — | $10K | — | — | — | County |
| 26 Jul 2020 | Flash Flood | — | $25K | — | — | — | County |
| 1 Oct 2019 | Flood | — | — | — | — | — | County |
| 22 Jun 2019 | Flood | — | — | — | — | — | County |
| 18 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 2 Sep 2018 | Flash Flood | — | $10K | — | — | — | County |
| 19 Jun 2018 | Flash Flood | — | $15K | — | — | — | County |
| 27 May 2016 | Flash Flood | — | $25K | $3.0M | — | — | County |
| 26 Apr 2016 | Flash Flood | — | $150K | $250K | — | — | County |
| 6 May 2015 | Flash Flood | — | $1.5M | $2.5M | — | — | County |
| 24 Sep 2008 | Flash Flood | — | $1K | — | — | — | County |
| 11 Jun 2008 | Flash Flood | — | $20K | $30K | — | — | County |
| 29 May 2008 | Flash Flood | — | $50K | $400K | — | — | County |
| 1 Aug 2007 | Flash Flood | — | $200K | $1.0M | — | — | County |
| 31 May 2006 | Flash Flood | — | $5K | $5K | — | — | County |
| 11 Sep 2003 | Flood | — | $100K | $500K | — | — | Forecast zone |
| 10 Sep 2003 | Flash Flood | — | $250K | $1.0M | — | — | County |
| 23 Jun 2003 | Flood | — | $1.0M | $5.0M | — | — | Forecast zone |
| 22 Jun 2003 | Flash Flood | — | $2.0M | $5.0M | — | — | County |
| 4 Jul 2000 | Flood | — | $50K | $500K | — | — | Forecast zone |
| 25 Jun 1997 | Flood | — | $50K | $100K | — | — | Forecast zone |
Questions and answers
How many flood events has Thayer County had?
21 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 Thayer County?
29 Jul 2020 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Thayer County?
The flash flood of 22 Jun 2003, with property damage estimated by NCEI at $2.0M and crop damage at $5.0M.
How does Thayer County compare with Nebraska for flood?
3.7 events per 100 square miles against 3.1 statewide; the county holds 21 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.