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Grant County, Arkansas Flood Zones

Check an Address in Grant County

Enter any address in Grant County, Arkansas to see its FEMA flood zone

The Flooding Character of Grant County

Flash flooding from heavy rainfall events is the primary flood hazard in Grant County. Between 2000 and 2020, NOAA Storm Events data recorded 37 flash flood events, alongside 7 general flood events and a few tropical storm and depression impacts. For example, heavy rains caused flash flooding on February 28, 2021, and again on May 18, 2021, inundating roads in nearby counties.

National Flood Insurance Program (NFIP) claims data shows that properties in Zone A have experienced the most claims, with an average payout of $9,109 and an average water depth of 0.9 feet. While Zone X_UNSHADED areas have seen fewer claims, the average water depth was slightly higher at 1.0 foot, with an average payout of $5,517. Homeowners in Zone A, and those in Zone X_UNSHADED areas, should pay particular attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Grant County

29 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read Arkansas flood stories →

Flood Risk Data for Grant County

Grant County, Arkansas has recorded 50 flood-related events since 1996 according to NOAA's Storm Events Database, including 37 flash floods and 7 river or area floods. The county has received 19 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Grant County Disaster History

FEMA Disaster Declarations (1968–2026)

Disaster Declarations
19
Flood/Coastal Disasters
1
Hurricane Disasters
1
Latest Disaster
Severe Winter Storm (2026-01-23)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Grant County

DeclarationTypeDate
Severe Winter StormWinter StormJan 23, 2026
Severe Storms, Tornadoes, And FloodingSevere StormApr 2, 2025
Severe Winter StormWinter StormJan 30, 2023
Hurricane LauraHurricaneAug 26, 2020
Severe Storms And Straight-line WindsTornadoApr 12, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter StormSevere Ice StormDec 25, 2012
Severe Storms And FloodingSevere StormDec 23, 2009
Severe Storms, Tornadoes, And FloodingSevere StormOct 29, 2009

Recorded Flood Events in Grant County

NOAA Storm Events Database (1996–2025)

Total Flood Events
50
River/Area Floods
7
Flash Floods
37
Hurricanes/Tropical Storms
6
Total Property Damage
$6.1M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Grant County

TypeDateDamage
Flash FloodFeb 28, 20210.00K
Flash FloodMay 18, 20210.00K
Flash FloodJun 8, 20210.00K
Tropical StormAug 27, 20200.00K
Flash FloodFeb 18, 20200.00K
Flash FloodJun 8, 20200.00K
Flash FloodJul 2, 20200.00K
Flash FloodMay 8, 20190.00K
Flash FloodFeb 28, 20180.00K
FloodFeb 23, 20180.00K

Grant County Flood History

Flash Flood — Feb 28, 2021

Heavy rain brought flash flooding to parts of Arkansas on February the 28th. By the 28th, thermometers were in the mid to upper 70s across the central and southern counties. It was 76 degrees at Little Rock (Pulaski County) and Monticello (Drew County). It certainly felt like spring, and thunderstorms were back in the forecast.||Storms were sparked by a new cold front that penetrated into north...

Flash Flood — May 18, 2021

Early on the 17th, over four inches of rain came down in a hurry across southern Perry and northwest Saline Counties. A couple of miles southwest of Houston (Perry County), water inundated Highway 216. It was the same story to start the next morning in western White and northern Lonoke Counties. This time, Highway 319 was flooded two miles northwest of Ward (Lonoke County). A few trees were kno...

Flash Flood — Jun 8, 2021

Hit and miss thunderstorms ramped up on the 6th. Two to more than three inches of rain was measured at Cane Creek State Park (Lincoln County), Fordyce (Dallas County), Monticello (Drew County), Nashville (Howard County), and Pine Bluff (Jefferson County). Several roads were under water between Avilla (Saline County) and Ferndale (Pulaski County), and also at Monticello (Drew County).||During th...

Tropical Storm — Aug 27, 2020

Tropical Storm Laura moved ashore from the Gulf of Mexico near Cameron, LA, around 1200 AM CST on August 27, 2020 with 150 mph sustained winds! This part of the state had never experienced such a powerful (Category 4) hurricane. Measured gusts exceeded 130 mph in Lake Charles, LA. Not only was there widespread structural damage, a television tower was destroyed and the WSR-88D (Doppler Weather ...

Flash Flood — Feb 18, 2020

It warmed up by the 18th, with 50s across the northern counties, and 60s/70s farther south. It was 72 degrees at Monticello (Drew County). Yet another cold front from Canada was on the horizon.||As the front neared, rain and scattered thunderstorms developed during the morning in central Arkansas. Malvern (Hot Spring County) picked up 4.23 inches of liquid, with 2.60 inches at Hot Springs Natio...

Source: NOAA National Weather Service Storm Events Database.

Grant County NFIP Flood Insurance Claims

Total Claims Filed
13
Total Paid Out
$95,607
Avg Claim
$9,560
Avg Water Depth
1.2 ft

Claims by Flood Zone

A Zones (High Risk)
8
X Unshaded (Low)
3

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Grant County

FEMA assigns flood zone designations to areas in Grant County, Arkansas:

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.

View all flood zone types →

Flood Insurance in Grant County

Properties in Grant County, Arkansas 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.