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NOAA/NWS STORM PREDICTION CENTER REPORTS + U.S. CENSUS DATA

Hail, Wind & Tornado Reports in Decatur County, IA

Public hail, wind, and tornado reports across Decatur County, IA from July 7, 1956 through August 5, 2026, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Example: 50144 — search hail, wind and tornado public reports for any U.S. ZIP code 
Hail Reports
95
Wind Reports
116
Tornado Reports
20
Max Hail Size
2.75″
Source  NOAA SPC · NWS Local Storm Reports Coverage  Decatur County, IA · 1956–present Updated  Daily · last Aug 5, 2026

Latest NWS Hail Reports in Decatur County

30 reports
Free hail report for your home →
2.00″ hail
May 19, 2025
9:08 PM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: Relayed by media. Delayed report. Time estimated by radar.
NWS Hail Report Location: Grand River, IA
1.75″ hail
May 24, 2024
8:23 AM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: Time estimated from radar.
NWS Hail Report Location: Leon, IA
1.00″ hail
Apr 30, 2024
11:48 PM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: EM relayed image of quarter sized hail just north of Garden Grove. Time estimated from radar.
NWS Hail Report Location: 1 N Garden Grove, IA
1.50″ hail
Jun 20, 2021
11:43 PM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: PUBLIC SENT VIDEO OF STORM NEAR AREA... WITH REPORT OF PEA TO PING PONG BALL SIZED HAIL.
NWS Hail Report Location: Davis City, IA
1.25″ hail
Jun 26, 2019
10:30 AM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: LOTS OF QUARTER SIZED HAIL WITH A FEW TO HALF DOLLAR SIZED. SIGNIFICANT CROP DAMAGE NOTED TO THE NORTH OF THIS LOCATION WITH CORN AND BEAN FIELDS DECIMATED. HAIL SIZE UNKNOWN.
NWS Hail Report Location: Weldon, IA
1.00″ hail
Jun 25, 2019
10:37 PM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: QUARTER SIZED HAIL AND SMALL LIMB DAMAGE - DELAYED REPORT... TIME EST. VIA RADAR.
NWS Hail Report Location: 4 WNW Le Roy, IA
1.00″ hail
Jun 25, 2019
10:35 PM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: SWATHS OF STRIPPED CROPS AT THE CLARKE/DECATUR COUNTY LINE - DELAYED REPORT... TIME EST. VIA RADAR.
NWS Hail Report Location: Weldon, IA
1.25″ hail
Jun 25, 2019
10:30 PM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: CORRECTS PREVIOUS HAIL REPORT FROM WELDON. LOTS OF QUARTER SIZED HAIL WITH A FEW TO HALF DOLLAR SIZED. SIGNIFICANT CROP DAMAGE NOTED TO THE NORTH OF THIS LOCATION WITH CORN AND BEAN FIELDS DECIMATED. HAIL SIZE UNKNOWN.
NWS Hail Report Location: Weldon, IA
1.00″ hail
May 15, 2018
12:50 AM UTC
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Leon, IA
0.88″ hail
Sep 17, 2015
9:07 PM CST-6
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: Public reported nickel sized hail. Delayed report from September 17th.
NWS Hail Report Location: 2.51 ESE Grand River, IA
1.00″ hail
Jun 21, 2015
6:16 PM CST-6
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1.72 WSW Decatur City, IA
1.00″ hail
Jun 10, 2015
5:08 PM CST-6
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2.76 S Lamoni, IA
1.00″ hail
Apr 18, 2015
12:29 PM CST-6
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: Quarter size hail covered Interstate 35.
NWS Hail Report Location: 4.9 N Decatur City, IA
1.00″ hail
Apr 9, 2015
12:15 PM CST-6
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .52 E Leon, IA
1.00″ hail
Jun 3, 2014
6:25 PM CST-6
Hail report for Decatur County, IA
Decatur County · 2,834 Homes in County
Hail Report Description: Winds of 50 MPH reported with the hail.
NWS Hail Report Location: 1.84 SSE Terre Haute, IA
Showing 15 of 30
Hail Damage Risk for Your Home +

Hail reports describe hail by diameter, often comparing stone size to familiar objects like peas, quarters, golf balls, and softballs. Use this guide as a starting point for possible hail damage to your roof, siding, gutters, vents, windows, and exterior. Actual hail damage depends on hail hardness, density, wind speed, impact angle, roof age, shingle condition, roof pitch, roofing material, installation quality, and prior storm damage.

Pea
0.25″
Low

Usually too small to cause hail damage to most sound asphalt roofs, siding, or gutters.

Mothball
0.50″
Sub-Severe Watch

Below the NWS severe-hail threshold, but not always harmless. Repeated small hail can scuff surfaces, wear aging shingles, and loosen protective granules over time.

Penny
0.75″
Minor / Watch

Below the NWS severe-hail threshold, but roof hail damage is still possible on older, brittle, poorly installed, or previously damaged shingles. May also mark screens, vents, gutters, and soft metal.

Nickel
0.88″
Minor / Watch

Still below the severe-hail threshold, but large enough to leave visible marks on soft metal and add wear to older or hail-weakened roof shingles.

Quarter
1.00″
Watch

The NWS severe-hail threshold. Quarter-size hail can bruise shingles, dent soft metal, and create roof hail damage worth checking.

Half Dollar
1.25″
Watch

More likely to dent gutters, vents, flashing, and siding. Hail damage risk rises quickly on older roofs or hail-weakened shingles.

Ping Pong / Walnut
1.50″
Likely

Hail damage becomes more likely, including bruised shingles, granule loss, dented siding, and damaged roof vents.

Golf Ball
1.75″
Likely

Often causes roof hail damage, cracked shingles, dented gutters, damaged flashing, and siding impacts. A roof inspection is recommended.

Hen Egg
2.00″
Serious

Can crack or puncture shingles, expose mat, dent siding, and cause widespread hail damage across the roof and exterior.

Tennis Ball
2.50″
Serious

Can cause heavy roof hail damage, punctured siding, broken skylights, damaged vents, and widespread exterior damage.

Baseball
2.75″
Major

Major hail damage is likely, including severe roof impacts, damaged siding, broken windows, and possible major roof repairs.

Tea Cup / Large Apple
3.00″
Major

Can cause heavy hail damage across the roof, siding, gutters, windows, and exterior. Significant repairs are often needed.

Softball
4.00″
Extreme

Destructive hail damage. Can severely damage roofing materials, siding, windows, gutters, vents, vehicles, and exterior surfaces.

Grapefruit
4.50″
Extreme

Catastrophic hail damage risk for roofs, windows, vehicles, siding, gutters, and exterior surfaces.

Source: NOAA / National Weather Service hail size references are used for hail-size comparisons and the 1.00″ severe-hail threshold. Damage descriptions are general homeowner guidance, not official NOAA/NWS damage ratings. Sub-severe hail under 1.00″ is below the severe threshold, but that does not mean “no roof damage.” Penny- to nickel-size hail can still contribute to granule loss, cosmetic surface marks, and added wear, especially on older, brittle, poorly installed, or previously damaged roofs.

Latest NWS Wind Reports in Decatur County

30 reports
Free hail report + wind check →
58 mph
Aug 5, 2026
10:49 AM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 2 Ene Lamoni, IA
UNK mph
Aug 5, 2026
10:48 AM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: Delayed report. Picture of a large tree down in Lamoni.
NWS Wind Report Location: Lamoni, IA
62 mph
Jun 11, 2026
12:49 PM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: Delayed entry - measured from KLWD.
NWS Wind Report Location: 2 ENE Lamoni, IA
UNK mph
Jun 10, 2026
9:12 PM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: Building damage per EMA.
NWS Wind Report Location: Garden Grove, IA
UNK mph
Apr 24, 2026
1:45 AM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: Tree limbs down and out building damage.
NWS Wind Report Location: 4 ENE Leon, IA
70 mph
Apr 24, 2026
1:37 AM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 2 ENE Lamoni, IA
71 mph
Sep 17, 2025
9:14 PM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 2 ENE Lamoni, IA
UNK mph
Sep 17, 2025
9:10 PM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: Delayed report. Several large trees down in central sections of Lamoni.
NWS Wind Report Location: Lamoni, IA
UNK mph
Apr 29, 2025
2:51 AM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: Demolished barn. Time estimate based on reported wind gust.
NWS Wind Report Location: Weldon, IA
71 mph
Mar 14, 2025
9:54 PM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 2 ENE Lamoni, IA
62 mph
Mar 14, 2025
9:53 PM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 2 ENE Lamoni, IA
59 mph
Aug 1, 2024
1:31 AM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: ASOS station KLWD Lamoni Airport.
NWS Wind Report Location: 2 ENE Lamoni, IA
59 mph
Jul 25, 2024
11:42 PM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: ASOS station KLWD Lamoni Airport. Likely a microburst.
NWS Wind Report Location: 2 ENE Lamoni, IA
59 mph
Jun 26, 2024
4:48 AM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 2 ENE Lamoni, IA
67 mph
Jun 30, 2023
12:23 PM UTC
Wind report for Decatur County, IA
Decatur County · 2,834 Homes in County
Wind Report Description: ASOS station KLWD Lamoni Airport.
NWS Wind Report Location: 2 ENE Lamoni, IA
Showing 15 of 30
Wind Damage Risk for Your Home +

Storm reports list thunderstorm wind gusts in mph. The NWS marks storms as severe at 58+ mph, but wind damage to your home depends on roof age, shingle condition, installation, exposure, nearby trees, and prior hail or wind damage.

Below Severe
Under 58 mph
Minor

Usually little damage to a sound roof, but loose shingles, flashing, or debris may shift.

Severe
58–74 mph
Watch

Can loosen shingles, lift flashing, break limbs, and damage gutters, siding, fences, or trim.

Damaging
75–90 mph
Serious

Can peel shingles, damage vents, tear siding, rip gutters, and expose weak roof areas.

Extreme
90+ mph
Major

Can cause major roof covering loss, tree damage, broken windows, and structural damage.

Source: NOAA / National Weather Service storm reports. Gusts may be measured or estimated; actual wind damage varies by roof condition, exposure, and prior hail or wind damage.

Latest NWS Tornado Reports in Decatur County

20 reports
UNK category
Jun 10, 2026
8:54 PM UTC
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: Local fire chief reports several intermittent touchdowns.
NWS Tornado Report Location: 3 SSE Garden Grove, IA
UNK category
Apr 24, 2026
1:47 AM UTC
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: Tree on house with power lines down.
NWS Tornado Report Location: Weldon, IA
UNK category
Mar 5, 2022
11:54 PM UTC
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: PUBLIC REPORT VIA PHONE CALL - HEAVY DAMAGE... ROOFS RIPPED OFF... METAL BUILDING FLATTENED/COMPLETELY GONE.
NWS Tornado Report Location: Garden Grove, IA
EF1 category
Nov 11, 2015
2:39 PM CST-6
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: Tornado moved into Decatur county from Ringgold county. NWS storm survey then tracked the tornado across northwest Decatur county. A cattle lean-to was destroyed along with two other outbuildings damaged. There was extensive tree damage in a small area near the town of Grand River.
NWS Tornado Report Location: 4.39 SW Grand River, IA
F0 category
Apr 8, 2001
8:38 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: Minor damage in rural area with brief touchdown.
NWS Tornado Report Location: 5 W Lamoni, IA
F0 category
May 27, 1996
2:34 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Grand River, IA
F3 category
May 27, 1995
9:04 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: Border crosser from Missouri at beginning point.
NWS Tornado Report Location: SW Lamoni To, IA
F4 category
May 24, 1989
6:34 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
F1 category
Jul 13, 1986
11:20 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
F0 category
Jul 8, 1986
9:45 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
F0 category
Jul 8, 1986
8:15 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
F0 category
May 10, 1986
6:52 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
F4 category
Jun 7, 1984
5:55 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
F4 category
Jun 2, 1980
3:25 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
F2 category
May 7, 1975
7:00 PM CST
Tornado report for Decatur County, IA
Decatur County · 2,834 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
Showing 15 of 20
Tornado Damage Risk for Your Home +

After a tornado, the National Weather Service assigns an EF rating from EF0 to EF5 based on surveyed damage. The rating estimates wind speed from what the tornado damaged, so actual damage can vary by construction quality, roof age, garage doors, windows, trees, debris, and how close the home was to the tornado path.

EF0
65–85 mph
Light

Can peel shingles, damage gutters or siding, break tree limbs, and toss loose outdoor items.

EF1
86–110 mph
Moderate

Can strip roof covering, damage exterior doors, break windows, snap trees, and cause heavier siding or gutter damage.

EF2
111–135 mph
Serious

Can tear off large sections of roofing, break or uproot trees, destroy weaker structures, and cause major exterior damage.

EF3–EF5
136+ mph
Severe

Can remove roofs and walls, destroy large portions of homes, toss vehicles, and cause severe to total destruction near the path.

Source: NOAA / National Weather Service. EF ratings are assigned after a post-storm damage survey and are based on observed damage, not a direct measurement at every home.

NWS Hail, Wind and Tornado Reports in Decatur County on the Interactive Map

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Browse Cities with NWS Storm Reports in Decatur County

Lamoni, IA 70
Hail, wind & tornado reports
Leon, IA 51
Hail, wind & tornado reports
Garden Grove, IA 18
Hail, wind & tornado reports
Grand River, IA 18
Hail, wind & tornado reports
Decatur, IA 15
Hail, wind & tornado reports
Davis City, IA 14
Hail, wind & tornado reports
Van Wert, IA 14
Hail, wind & tornado reports
Weldon, IA 11
Hail, wind & tornado reports
Le Roy, IA 5
Hail, wind & tornado reports
Pleasanton, IA 5
Hail, wind & tornado reports

NWS Storm Reports & Census Data

U.S. Census Data · County

Decatur County, IA area census snapshot

People & households
Population7,669
Households3,049
Housing units3,651
Income
Median household income$57,146
$100k+ households28.8%
$150k+ households8.4%
Housing stock
Single-family detached2,834
Attached single-family34
Small multifamily327
Large multifamily192
Mobile homes264
Housing mix
Single-family share77.6%
Attached-home share0.9%
Multifamily share14.2%
Mobile-home share7.2%
Ownership & occupancy
Owner-occupied2,073
Renter-occupied976
Vacant units602
Home value & age
Median home value$109,500
Owner homes $300k+15.6%
Owner homes $500k+7.1%
Owner homes $750k+2.9%
Median year built1968
Older-home share61.8%
Vehicle context
Households with cars2,776
Free hail maps

This snapshot is for local area context only and describes the selected state, county, city, or ZIP area — not a specific home or property. For ZIP-level estimated hail impact, use Free Hail Maps to generate a hail report with key impact details for that ZIP.

Top ZIP Codes with NWS Storm Reports in Decatur County

50144 68
Leon, IA Hail, wind & tornado reports
50140 67
Lamoni, IA Hail, wind & tornado reports
50123 50
Humeston, IA Hail, wind & tornado reports
50264 30
Weldon, IA Hail, wind & tornado reports
50133 27
Kellerton, IA Hail, wind & tornado reports
50103 21
Garden Grove, IA Hail, wind & tornado reports
50065 20
Davis City, IA Hail, wind & tornado reports
50108 20
Grand River, IA Hail, wind & tornado reports
50147 13
Lineville, IA Hail, wind & tornado reports
50262 10
Van Wert, IA Hail, wind & tornado reports
50067 7
Decatur City, IA Hail, wind & tornado reports

Get a Remote Hail Inspection

Not sure if hail may have affected your home in Decatur County? Ask a local pro for a Remote Hail Inspection. They can review hail activity for your property and help you decide whether an in-person roof or exterior inspection makes sense.

Frequently asked questions

for homeowners, buyers & sellers
How many hail, wind, and tornado reports does Decatur County have on record?

Our records show 95 hail, 116 wind, and 20 tornado reports in Decatur County, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 5, 2026.

What is the largest hail ever reported in Decatur County?

The largest hail size in these storm-report records in Decatur County is 2.75″. It was reported near Grand River, IA on June 4, 2005.

A storm report showed up near my home in Decatur County — does that mean my roof is damaged?

Not necessarily. A storm report only means hail, wind, or a tornado was observed nearby; it does not confirm damage at any specific address, and conditions change from block to block. Check an address-level hail report first, and if it looks significant, find a local pro that serves Decatur County and ask about a Remote Hail Inspection before anyone climbs on the roof.

I am buying a home in Decatur County — why should I look at its storm history?

Recent hail or wind can leave a roof or exterior with damage that is easy to miss during a walkthrough, and a recent roof replacement is sometimes an insurance job after a storm. Reviewing the storm history for a Decatur County address before closing helps you ask informed questions about roof age, past repairs, and any prior claims.

I am selling a home in Decatur County — how does this help me?

Knowing the storm history for your address lets you answer buyer questions with confidence, document repairs you have already made, and decide whether a pre-listing roof check is worthwhile. A clear hail history removes a common sticking point during negotiations.

How do I check hail history for a specific Decatur County address?

Use the address search to pull a free address-level hail report for any property in Decatur County — no phone number or email required. It shows recent hail activity for that address so you know whether a closer roof or exterior review makes sense.

Where does this storm report data come from, and what are its limits?

Storm reports on this page are public reports from storm events across Decatur County, IA, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported in Decatur County, but they do not confirm damage at any specific property. Report locations, sizes, and times may be approximate and can vary from what an individual home experienced. For property-specific hail history, use an address-level hail report or contact a participating local professional for a remote hail inspection. Pros inclusion is not an endorsement, and contacting a professional does not confirm damage at any property.

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