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Flood in Calhoun County, Texas

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

43 events · 0 deaths recorded · peak month May · county share of state 0.3%

2026-05-27: Flood2026-05-21: Flood2024-06-01: Flood2023-05-10: Flood2021-09-13: Flood2021-05-19: Flood2017-09-01: Flood2017-08-30: Flood2017-04-17: Flood2015-05-12: Flood2012-07-11: Flood2012-07-11: Flood2012-07-11: Flood2010-01-15: Flood2009-05-27: Flood2007-07-04: Flood
Flood event locations in and around Calhoun 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.

Calhoun County, Texas, has 43 flood events in the NCEI record since 1950, with at least one in 17 different years.

May is the busiest month, with 11 of the recorded events. The last 20 years account for 17 events against 26 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 8.5 per 100 square miles compares with 6.1 statewide.

Compared with Texas

MeasureCalhoun CountyTexasUS
Flood events since 19504315,832183,559
Per 100 square miles8.56.15.2
Per 10,000 residents21.85.45.5
Deaths recorded05952,961
Busiest monthMayMayJune

By year

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

Seasonality

Jan
1
Feb
0
Mar
3
Apr
2
May
11
Jun
6
Jul
5
Aug
2
Sep
6
Oct
5
Nov
2
Dec
0
Flood events in Calhoun County by month of occurrence, all years.

Recorded events

All 43 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
27 May 2026Flood—————County
21 May 2026Flash Flood—————County
1 Jun 2024Flash Flood—————County
10 May 2023Flash Flood—————County
13 Sep 2021Flood—————County
19 May 2021Flash Flood—————County
1 Sep 2017Flood—————County
30 Aug 2017Flood—$1.0M———County
17 Apr 2017Flash Flood—————County
22 Oct 2015Coastal Flood—————Forecast zone
12 May 2015Flash Flood—————County
11 Jul 2012Flash Flood—————County
11 Jul 2012Flood—$10K$100K——County
11 Jul 2012Flash Flood—————County
15 Jan 2010Flood—————County
27 May 2009Flash Flood—————County
4 Jul 2007Flash Flood—————County
26 Jul 2006Flash Flood—————County
20 Jun 2006Flash Flood—————County
1 Jun 2006Flash Flood—————County
29 May 2006Flash Flood—————County
30 Jun 2004Flash Flood—————County
25 Jun 2004Flash Flood—————County
22 Jun 2004Flash Flood—————County
13 May 2004Flash Flood—————County
8 May 2004Flash Flood—————County
6 Apr 2004Flash Flood—————County
4 Nov 2002Flash Flood—————County
4 Nov 2002Flash Flood—————County
28 Oct 2002Flash Flood—————County
5 Sep 2001Flash Flood—————County
1 Sep 2001Flash Flood—————County
31 Aug 2001Flash Flood—————County
5 May 2001Flash Flood—————County
18 Oct 1998Flash Flood—————County
16 Sep 1998Flash Flood—————County
16 Sep 1998Flash Flood—————County
13 Oct 1997Flash Flood—————County
23 May 1997Flash Flood—————County
18 Mar 1997Flash Flood—————County
18 Mar 1997Flash Flood—————County
17 Mar 1997Flash Flood—————County
5 Oct 1996Coastal Flood—————County

Questions and answers

How many flood events has Calhoun County had?

43 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 Calhoun County?

27 May 2026 (Flood). Records reach NCEI about 120 days after the month ends.

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

The flood of 30 Aug 2017, with property damage estimated by NCEI at $1.0M.

How does Calhoun County compare with Texas for flood?

8.5 events per 100 square miles against 6.1 statewide; the county holds 43 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.