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Flood in Lamar County, Texas

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

54 events · 0 deaths recorded · peak month June · county share of state 0.3%

2026-06-23: Flood2026-06-23: Flood2026-06-23: Flood2026-06-23: Flood2026-06-23: Flood2026-06-23: Flood2025-04-05: Flood2025-01-30: Flood2024-03-14: Flood2024-03-14: Flood2019-06-19: Flood2019-06-19: Flood2017-07-03: Flood2017-04-17: Flood2017-04-17: Flood2016-05-09: Flood2016-05-09: Flood2016-05-09: Flood2016-05-09: Flood2016-05-09: Flood2015-12-27: Flood2015-12-27: Flood2015-11-28: Flood2015-05-09: Flood2015-05-09: Flood2009-10-26: Flood2009-10-09: Flood2009-08-20: Flood2008-09-13: Flood2008-05-14: Flood2008-03-18: Flood2008-03-18: Flood2008-03-18: Flood2007-07-31: Flood2007-07-10: Flood2007-06-18: Flood2005-07-15: Flood
Flood event locations in and around Lamar 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 54 flood events in Lamar County, Texas, between 1950 and 2026, spread over 17 years.

June is the busiest month, with 12 of the recorded events. The last 20 years account for 36 events against 18 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.3% of the 15,832 flood events recorded in Texas; its 6.0 per 100 square miles compares with 6.1 statewide.

Compared with Texas

MeasureLamar CountyTexasUS
Flood events since 19505415,832183,559
Per 100 square miles6.06.15.2
Per 10,000 residents10.85.45.5
Deaths recorded05952,961
Busiest monthJuneMayJune

By year

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

Seasonality

Jan
1
Feb
3
Mar
7
Apr
3
May
9
Jun
12
Jul
4
Aug
1
Sep
3
Oct
4
Nov
3
Dec
4
Flood events in Lamar County by month of occurrence, all years.

Recorded events

All 54 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
23 Jun 2026Flash Flood—————County
23 Jun 2026Flash Flood—————County
23 Jun 2026Flash Flood—$7K———County
23 Jun 2026Flash Flood—$1.0M———County
23 Jun 2026Flash Flood—$50K———County
23 Jun 2026Flash Flood—$40K———County
5 Apr 2025Flash Flood—$200K———County
30 Jan 2025Flash Flood—$4K———County
14 Mar 2024Flash Flood—————County
14 Mar 2024Flash Flood—————County
19 Jun 2019Flash Flood—$7K———County
19 Jun 2019Flash Flood—$10K———County
3 Jul 2017Flash Flood—————County
17 Apr 2017Flash Flood—————County
17 Apr 2017Flash Flood—————County
9 May 2016Flash Flood—$10K———County
9 May 2016Flash Flood—$30K———County
9 May 2016Flash Flood—$30K———County
9 May 2016Flood—————County
9 May 2016Flash Flood—————County
27 Dec 2015Flash Flood—$8K———County
27 Dec 2015Flood—$50K———County
28 Nov 2015Flood—$50K———County
9 May 2015Flash Flood—————County
9 May 2015Flood—————County
26 Oct 2009Flash Flood—————County
9 Oct 2009Flash Flood—————County
20 Aug 2009Flash Flood—$7K———County
13 Sep 2008Flash Flood—————County
14 May 2008Flash Flood—————County
18 Mar 2008Flash Flood—————County
18 Mar 2008Flash Flood—————County
18 Mar 2008Flash Flood—————County
31 Jul 2007Flash Flood—————County
10 Jul 2007Flash Flood—————County
18 Jun 2007Flash Flood—————County
19 Mar 2006Flash Flood—$20K———County
15 Jul 2005Flash Flood—$10K———County
19 Oct 2002Flash Flood—————County
19 Oct 2002Flash Flood—————County
19 Mar 2002Flash Flood—————County
16 Dec 2001Flash Flood—————County
16 Dec 2001Flash Flood—————County
3 Sep 2001Flash Flood—$10K———County
16 Feb 2001Flash Flood—————County
5 Nov 2000Flash Flood—————County
5 Nov 2000Flash Flood—————County
18 May 2000Flash Flood—————County
13 Jun 1997Flash Flood—————County
20 Feb 1997Flash Flood—————County
20 Feb 1997Flash Flood—————County
20 Sep 1996Flash Flood—————County
13 Jun 1996Flood—————Forecast zone
12 Jun 1996Flash Flood—————County

Questions and answers

How many flood events has Lamar County had?

54 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 Lamar County?

23 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.

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

The flash flood of 23 Jun 2026, with property damage estimated by NCEI at $1.0M.

How does Lamar County compare with Texas for flood?

6.0 events per 100 square miles against 6.1 statewide; the county holds 54 of the state's 15,832 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.