Enter any address in Posey County, Indiana to see its FEMA flood zone
River overflow along the Ohio River is the dominant flood character for Posey County. Recent events include prolonged minor flooding around Newburgh, Mt. Vernon, and J.T. Myers Dam in February. Additionally, torrential rainfall caused flooding in July.
The National Flood Insurance Program (NFIP) has processed 91 claims in Zone A, with an average payout of $18,631 and an average water depth of 6.0 feet. Claims in Zone X_UNSHADED averaged $23,218 with 2.0 feet of water. Properties located in Zone A, and those in Zone X_UNSHADED, should pay the most attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
82 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Posey County, Indiana has recorded 261 flood-related events since 1996 according to NOAA's Storm Events Database, including 32 flash floods and 229 river or area floods. The county has received 19 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 (1977–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 23, 2026 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, Straight-line Winds, And | Severe Storm | Apr 19, 2011 |
| Severe Winter Storm | Severe Storm | Jan 26, 2009 |
| Severe Storms And Flooding | Severe Storm | Sep 12, 2008 |
| Severe Storms, Flooding, And Tornadoes | Severe Storm | May 30, 2008 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Winter Storms And Flooding | Severe Storm | Jan 1, 2005 |
| Snow | Snowstorm | Dec 21, 2004 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 19, 2025 | 5.00K |
| Flood | Jul 19, 2025 | 0.00K |
| Flood | Feb 12, 2025 | 0.00K |
| Flood | Feb 10, 2025 | 0.00K |
| Flood | Jan 30, 2024 | 0.00K |
| Flood | Apr 11, 2024 | 0.00K |
| Flood | Apr 9, 2024 | 0.00K |
| Flood | May 8, 2024 | 0.00K |
| Flood | Apr 7, 2024 | 0.00K |
| Flood | Feb 1, 2024 | 0.00K |
Flash Flood — Jul 19, 2025
As high pressure slowly crept northward towards the Quad State region, ridging remained over the middle Mississippi River Valley. A slow-moving MCS moved through the northeastern half of the Quad State midday to near sunset. CAPE rose to 1000-2000J/kg in Southwest Indiana with effective bulk shear around 30kts. Extremely high moisture content with precipitable water values of 2.25in resulted in...
Flood — Jul 19, 2025
As high pressure slowly crept northward towards the Quad State region, ridging remained over the middle Mississippi River Valley. A slow-moving MCS moved through the northeastern half of the Quad State midday to near sunset. CAPE rose to 1000-2000J/kg in Southwest Indiana with effective bulk shear around 30kts. Extremely high moisture content with precipitable water values of 2.25in resulted in...
Flood — Feb 12, 2025
Multiple rounds of heavy rainfall over the Green, Ohio, and Tennessee Valleys from January 31st through February 15th resulted in rising water levels on the Ohio River, with prolonged minor flooding around Newburgh, Mt Vernon, and J.T. Myers Dam. The minor flooding around J.T. Myers Dam continued into early March.
Flood — Feb 10, 2025
Multiple rounds of heavy rainfall over the Green, Ohio, and Tennessee Valleys from January 31st through February 15th resulted in rising water levels on the Ohio River, with prolonged minor flooding around Newburgh, Mt Vernon, and J.T. Myers Dam. The minor flooding around J.T. Myers Dam continued into early March.
Flood — Jan 30, 2024
Well above normal rainfall along the Ohio River Valley in January led to rising rivers, with flood stage exceeded slightly at Newburgh Lock and Dam and Mount Vernon by the end of the month, continuing into early February. Minor flooding resulted in very limited impacts in bottomland areas.
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 Posey County, Indiana:
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 Posey County, Indiana 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.