Enter any address in Cleveland County, Oklahoma to see its FEMA flood zone
Flash flooding from severe weather events is the dominant flood character in Cleveland County, OK. Between 1996 and 2023, NOAA Storm Events data recorded 117 flash flood events and 20 flood events. Recent examples include a severe weather and flash flood episode in April 2025 and multiple rounds of severe convection and flooding that occurred from April 29th into the morning of April 30th, 2025.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A experienced an average payout of $16,985 with an average water depth of 3.0 feet. Properties in Zone X, which includes Zone X_UNSHADED and Zone X_SHADED, saw fewer claims but higher average payouts, with Zone X having an average payout of $25,104 and an average water depth of 5.8 feet. Homeowners in Zone A, and those in Zone X with higher average water depths, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
70 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Cleveland County, Oklahoma has recorded 137 flood-related events since 1996 according to NOAA's Storm Events Database, including 117 flash floods and 20 river or area floods. The county has received 43 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1970–2025)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| East Thunderbird Fire | Fire | Mar 14, 2025 |
| Wildfires And Straight-line Winds | Fire | Mar 14, 2025 |
| Severe Storms, Straight-line Winds, And Tornadoes | Tornado | Apr 19, 2023 |
| Severe Winter Storm | Severe Ice Storm | Feb 8, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 8, 2021 |
| Severe Winter Storm | Severe Ice Storm | Oct 26, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Okc Fire Complex | Fire | Feb 12, 2017 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | May 5, 2015 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Apr 30, 2025 | 0.00K |
| Flash Flood | Apr 30, 2025 | 0.00K |
| Flash Flood | Apr 30, 2025 | 100.00K |
| Flash Flood | Apr 26, 2025 | 0.00K |
| Flash Flood | Apr 26, 2025 | 25.00K |
| Flash Flood | Apr 19, 2025 | 100.00K (2 deaths) |
| Flash Flood | Jun 3, 2025 | 50.00K |
| Flash Flood | Sep 22, 2024 | 0.00K |
| Flash Flood | Sep 22, 2024 | 15.00K |
| Flood | Aug 11, 2024 | 0.00K |
Flood — Apr 30, 2025
Multiple rounds of severe convection and flooding occurred from the predawn hours of the 29th into morning hours of the 30th. The most significant round of severe thunderstorm activity occurred across portions of western-north Texas on the evening of the 29th, where intense supercell thunderstorms produced very large hail, damaging wind gusts and a pair of significant (EF-2+) tornadoes. Signifi...
Flash Flood — Apr 30, 2025
Multiple rounds of severe convection and flooding occurred from the predawn hours of the 29th into morning hours of the 30th. The most significant round of severe thunderstorm activity occurred across portions of western-north Texas on the evening of the 29th, where intense supercell thunderstorms produced very large hail, damaging wind gusts and a pair of significant (EF-2+) tornadoes. Signifi...
Flash Flood — Apr 26, 2025
A slow-moving mesoscale convective vortex (MCV) produced severe weather and flash flooding during the morning and afternoon of the 26th. An initial complex of thunderstorms across southwestern Oklahoma and western-north Texas produced reports of thunderstorm wind damage and large hail, especially with a supercell thunderstorm that moved near the city of Lawton. Areas of persistent heavy rainfal...
Flash Flood — Apr 19, 2025
A severe weather and flash flood episode occurred across central and southern portions of the WFO Norman Forecast Area from the evening of the 19th into the early morning hours of the 20th. A slow-moving upper system continued to approach the area on the 19th. This, along with strong/moist low-level ascent atop a quasi-stationary boundary, helped initiate widespread thunderstorms across the reg...
Flash Flood — Jun 3, 2025
Widespread severe thunderstorms, organized along a passing cold front, impacted much of Oklahoma and western-north Texas on the afternoon and evening of the 3rd. In addition to reports and observations of thunderstorm wind damage and large hail, six tornadoes occurred across the WFO Norman Forecast Area. Flash flooding also occurred during the evening hours across southeastern Oklahoma due to r...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Cleveland County, Oklahoma:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Cleveland County, Oklahoma that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.