Enter any address in Jefferson County, Oklahoma to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Jefferson County, OK. Between 1996 and 2026, NOAA Storm Events data recorded 23 flash flood events and 9 flood events. Recent examples include a flash flood episode on April 19-20, 2025, and prolonged river flooding in early May 2025, both resulting from heavy rainfall.
NFIP claims data indicates that while Zone A and Zone Unknown areas have seen claims, Zone X_Unshaded properties have experienced higher average payouts and water depths. Homeowners in areas designated as Zone A, or those located near rivers and streams, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
2 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Jefferson County, Oklahoma has recorded 32 flood-related events since 1996 according to NOAA's Storm Events Database, including 23 flash floods and 9 river or area floods. The county has received 30 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1970–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Nov 2, 2024 |
| Severe Storms, Straight-line Winds, And Tornadoes | Severe Storm | Jun 14, 2023 |
| Severe Winter Storm | Severe Ice Storm | Feb 8, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 8, 2021 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | May 5, 2015 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | May 22, 2011 |
| Severe Winter Storm | Severe Storm | Jan 31, 2011 |
| Severe Winter Storm And Snowstorm | Severe Storm | Jan 31, 2011 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Apr 19, 2025 | 0.00K |
| Flood | May 1, 2025 | 0.00K |
| Flash Flood | May 19, 2017 | 0.00K |
| Flash Flood | May 18, 2017 | 0.00K |
| Flash Flood | Apr 16, 2017 | 0.00K |
| Flash Flood | May 19, 2015 | 0.00K |
| Flash Flood | Jun 17, 2015 | 0.00K |
| Flash Flood | May 8, 2015 | 0.00K |
| Flash Flood | Nov 6, 2011 | 0.00K |
| Flash Flood | Apr 29, 2009 | 0.00K |
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...
Flood — May 1, 2025
Very heavy rainfall during the latter portions of April 2025 resulted in prolonged river flooding across portions of central and southern Oklahoma during the first days of May 2025.
Flash Flood — May 19, 2017
A line of storms fired along and just ahead of a cold front on the afternoon of the 19th and continued eastward across the state overnight into the 20th.
Flash Flood — May 18, 2017
A line of storms fired along and just ahead of a dryline and cold front on the afternoon of the 18th and continued eastward across the state overnight into the 19th.
Flash Flood — Apr 16, 2017
Scattered showers and thunderstorms formed out ahead of and along a front across Oklahoma on the evening of the 16th overnight into the 17th.
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 Jefferson 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 Jefferson 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.