County Hazards

States › Oklahoma › Carter County › Flood

Flood in Carter County, Oklahoma

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

42 events · 1 deaths recorded · peak month June · county share of state 1.0%

2026-04-15: Flood2025-05-22: Flood2025-05-22: Flood2025-05-22: Flood2025-05-22: Flood2025-05-06: Flood2025-05-01: Flood2025-04-19: Flood2025-04-19: Flood2023-10-04: Flood2020-09-01: Flood2019-06-09: Flood2019-06-05: Flood2018-09-21: Flood2018-09-21: Flood2018-09-21: Flood2018-09-21: Flood2015-06-17: Flood2015-06-17: Flood2015-06-17: Flood2015-06-17: Flood2015-06-17: Flood2015-06-17: Flood2015-06-17: Flood2015-06-17: Flood2015-05-19: Flood2015-05-08: Flood2015-05-08: Flood2011-11-06: Flood2007-05-27: Flood2007-03-30: Flood2005-08-14: Flood2005-08-14: Flood2005-08-14: Flood2005-08-14: Flood
Flood event locations in and around Carter 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 42 flood events in Carter County, Oklahoma, between 1950 and 2026, spread over 15 years.

June is the busiest month, with 13 of the recorded events. The last 20 years account for 31 events against 11 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1% of the 4,346 flood events recorded in Oklahoma; its 5.1 per 100 square miles compares with 6.3 statewide.

NCEI attributes 1 death in the county to floods and flash floods.

Compared with Oklahoma

MeasureCarter CountyOklahomaUS
Flood events since 1950424,346183,559
Per 100 square miles5.16.35.2
Per 10,000 residents8.710.95.5
Deaths recorded1912,961
Busiest monthJuneMayJune

By year

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

Seasonality

Jan
1
Feb
0
Mar
1
Apr
4
May
10
Jun
13
Jul
0
Aug
4
Sep
6
Oct
2
Nov
1
Dec
0
Flood events in Carter County by month of occurrence, all years.

Recorded events

All 42 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
15 Apr 2026Flash Flood—————County
22 May 2025Flash Flood—————County
22 May 2025Flash Flood—$25K———County
22 May 2025Flash Flood—————County
22 May 2025Flash Flood—————County
6 May 2025Flood—$25K———County
1 May 2025Flood—————County
19 Apr 2025Flash Flood—————County
19 Apr 2025Flash Flood—————County
4 Oct 2023Flash Flood—$10K———County
1 Sep 2020Flash Flood—————County
9 Jun 2019Flash Flood—————County
5 Jun 2019Flash Flood—————County
21 Sep 2018Flash Flood—————County
21 Sep 2018Flash Flood—————County
21 Sep 2018Flash Flood—————County
21 Sep 2018Flash Flood—————County
17 Jun 2015Flash Flood—$20K———County
17 Jun 2015Flash Flood———1—County
17 Jun 2015Flash Flood—————County
17 Jun 2015Flash Flood—————County
17 Jun 2015Flash Flood—————County
17 Jun 2015Flash Flood—————County
17 Jun 2015Flash Flood—————County
17 Jun 2015Flash Flood—$5.0M———County
19 May 2015Flash Flood—————County
8 May 2015Flash Flood—$20K———County
8 May 2015Flash Flood—$80K———County
6 Nov 2011Flash Flood—————County
27 May 2007Flash Flood—————County
30 Mar 2007Flash Flood—————County
14 Aug 2005Flash Flood—————County
14 Aug 2005Flash Flood—————County
14 Aug 2005Flash Flood—————County
14 Aug 2005Flash Flood—————County
3 Jan 2005Flood—————Forecast zone
30 Jun 2004Flash Flood—————County
7 Jun 2004Flash Flood—————County
20 Sep 2001Flash Flood—————County
26 Oct 2000Flash Flood—$1.2M———County
23 Apr 1999Flood—$30K———Forecast zone
9 Jun 1997Flash Flood—$25K——1County

Questions and answers

How many flood events has Carter County had?

42 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 Carter County?

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

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

The flash flood of 17 Jun 2015, with property damage estimated by NCEI at $5.0M.

How does Carter County compare with Oklahoma for flood?

5.1 events per 100 square miles against 6.3 statewide; the county holds 42 of the state's 4,346 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.