Heads up! Small hail spotted in these regions: Kingsport, TN • Huntsville, AL • Gadsden, AL      ATTENTION! Damaging hail detected. Hail tracking is now active for these regions: Johnson City, TN • Grand Junction, CO • Fayetteville, NC • Durham, NC • Raleigh, NC • Saint Louis, MO • Rawlins, WY • Champaign, IL • Mattoon, IL • Sebring, FL • North Port, FL • Fort Myers, FL • Tampa, FL • Hickory, NC • Charlotte, NC • Owensboro, KY • Knoxville, TN • Evansville, IN • Farmington, NM • Louisville, KY • Winston, NC • Greensboro, NC • Provo, UT • Logan, UT • Ogden, UT • Salt Lake City, UT      
HailGeeks
NOAA/NWS STORM PREDICTION CENTER REPORTS + U.S. CENSUS DATA

Hail, Wind & Tornado Reports in and near ZIP 51040

Public hail, wind, and tornado reports in and near ZIP 51040 from September 9, 1965 through March 14, 2025, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Example: 51040 — search hail, wind and tornado public reports for any U.S. ZIP code 
Hail Reports
27
Wind Reports
48
Tornado Reports
2
Max Hail Size
3.50″
Source  NOAA SPC · NWS Local Storm Reports Coverage  ZIP 51040 · 1965–present Updated  Daily · last Mar 14, 2025

Latest NWS Hail Reports in and near ZIP 51040

27 reports
Free hail report for your home →
3.50″ hail
Jun 13, 2024
12:31 AM UTC
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: Report from mPING: Baseball++ (3.50 in.).
NWS Hail Report Location: 3 W Onawa, IA
1.50″ hail
Jul 9, 2021
6:09 AM UTC
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: RELAYED TO EM FROM DEPUTIES.
NWS Hail Report Location: Onawa, IA
1.00″ hail
Jun 21, 2019
12:45 AM UTC
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: DELAYED REPORT. TIME ESTIMATED BASED ON RADAR DATA.
NWS Hail Report Location: 2 SE Turin, IA
1.75″ hail
Jul 7, 2016
9:40 PM UTC
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: HAIL UP TO GOLFBALL SIZE REPORTED BY SHERIFF. 3 TO 4 MILES SOUTH OF ONAWA.
NWS Hail Report Location: 4 S Onawa, IA
1.00″ hail
May 23, 2012
5:36 PM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: Hail up to quarter-size fell south of Onawa.
NWS Hail Report Location: 4 S Onawa, IA
1.00″ hail
May 19, 2012
6:25 PM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .86 NE Onawa, IA
1.00″ hail
May 19, 2012
6:05 PM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .51 E Onawa, IA
1.25″ hail
Aug 18, 2011
4:54 PM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .51 E Onawa, IA
1.00″ hail
Apr 9, 2011
11:19 PM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .51 E Onawa, IA
0.75″ hail
Feb 26, 2009
8:47 AM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: Hail up to 3/4 inches in diameter was reported on the west side of Onawa.
NWS Hail Report Location: .51 E Onawa, IA
0.75″ hail
Aug 27, 2008
11:00 PM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2.92 SW Turin, IA
0.75″ hail
May 29, 2008
5:45 PM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 3.45 S Whiting, IA
0.88″ hail
Aug 22, 2007
6:55 AM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2.57 E Onawa, IA
1.00″ hail
May 5, 2007
7:20 PM CST-6
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 N Blencoe, IA
1.00″ hail
May 8, 2004
6:38 PM CST
Hail report for ZIP 51040
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 S Onawa, IA
Showing 15 of 27
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 and near ZIP 51040

48 reports
Free hail report + wind check →
70 mph
Mar 14, 2025
11:18 PM UTC
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Estimated 60-70 mph winds that lasted nearly 10 minutes.
NWS Wind Report Location: 2 W Onawa, IA
83 mph
May 24, 2024
7:46 AM UTC
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: From a personal weather station.
NWS Wind Report Location: 6 WEST Castana, IA
69 mph
May 29, 2013
7:10 PM CST-6
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: The brick front of a building facet at a car dealership was blown off and fell onto a couple of automobiles.
NWS Wind Report Location: .51 E Onawa, IA
63 mph
Jun 26, 2011
7:34 PM CST-6
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm wind gusts estimated at over 60 mph downed trees in the Onawa area which blocked a few roads. Torrential rain also caused some brief street flooding in town.
NWS Wind Report Location: .51 E Onawa, IA
60 mph
Jun 26, 2011
6:45 PM CST-6
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm wind gusts were estimated at around 60 mph a little north of the Onawa area.
NWS Wind Report Location: 2.81 N Onawa, IA
58 mph
Jul 14, 2010
5:25 PM CST-6
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm wind gusts around 60 mph knocked a large tree down blocking a road in Onawa. The winds also blew down power lines trapping a traveler on a highway near town for a while until electrical crews could move the lines.
NWS Wind Report Location: N Onawa, IA
63 mph
Jul 6, 2008
3:30 PM CST-6
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm wind gusts estimated at over 60 mph blew some trees down on top of campers at the Lewis and Clark State Park, causing 2 minor injuries. Some campers in the area were also rolled due to the winds.
NWS Wind Report Location: 3.37 WNW Onawa, IA
63 mph
Jun 11, 2008
4:00 AM CST-6
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm wind gusts estimated at over 60 mph knocked down a few trees up to 2 feet in diameter. Power lines were also downed in the vicinity.
NWS Wind Report Location: .51 E Onawa, IA
63 mph
Aug 9, 2007
10:40 PM CST-6
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm winds estimated at over 60 mph caused chimney damage to a house and downed a few tree limbs.
NWS Wind Report Location: N Onawa, IA
69 mph
May 5, 2007
7:45 PM CST-6
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm wind gusts estimated at over 60 mph caused roof damage to a business by displacing large air-conditioning units. The winds also blew the roof canopy off of a truck stop into cars in a parking lot.
NWS Wind Report Location: .51 E Onawa, IA
58 mph
Aug 10, 2006
2:25 AM CST
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm winds estimated at 60 mph caused scattered tree damage around town, including 1 tree limb that fell onto a law enforcement vehicle causing significant damage.
NWS Wind Report Location: Onawa, IA
58 mph
May 23, 2006
8:30 PM CST
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Estimated thunderstorm wind gusts.
NWS Wind Report Location: 3 NW Onawa, IA
69 mph
Jul 5, 2003
10:54 PM CST
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm wind gusts estimated at 70 mph broke or uprooted large trees, some up to 4 feet in diameter, from just west of Onawa to south of Blencoe. A large tree fell on a mobile home near Onawa.
NWS Wind Report Location: 1 W Onawa, IA
58 mph
May 9, 2001
6:25 PM CST
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: The public estimated thunderstorm wind gusts of around 60 mph.
NWS Wind Report Location: Turin, IA
58 mph
May 1, 2001
3:03 PM CST
Wind report for ZIP 51040
Monona County · 3,715 Homes in County
Wind Report Description: Thunderstorm wind gust estimated at around 60 mph by law enforcement.
NWS Wind Report Location: Onawa, IA
Showing 15 of 48
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 and near ZIP 51040

2 reports
F0 category
Aug 17, 2001
5:39 PM CST
Tornado report for ZIP 51040
Monona County · 3,715 Homes in County
Tornado Report Description: A tornado touched down northwest of Onawa overturning a center pivot irrigation system according to a law enforcement official. The tornado was also captured on film from someone staying at the Lewis and Clark State Park. All of the pictures taken showed that the condensation portion of the tornado was very narrow. The path of the tornado crossed I-29 before lifting around 2 miles north northwest of Onawa.
NWS Tornado Report Location: 5 NW Onawa, IA
F1 category
Sep 9, 1965
12:30 PM CST
Tornado report for ZIP 51040
Monona County · 3,715 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
Showing 2 of 2
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 and near ZIP 51040 on the Interactive Map

Report type
Hail
Wind
Tornado

Get a free hail report for your address

Address-level hail history. 100% free. No phone or email required.

Look up your address →

NWS Storm Reports & Census Data

U.S. Census Data · ZIP Code

ZIP 51040 area census snapshot

People & households
Population3,388
Households1,517
Housing units1,677
Income
Median household income$60,642
$100k+ households34.8%
$150k+ households11.3%
Housing stock
Single-family detached1,371
Attached single-family12
Small multifamily79
Large multifamily130
Mobile homes85
Housing mix
Single-family share81.8%
Attached-home share0.7%
Multifamily share12.5%
Mobile-home share5.1%
Ownership & occupancy
Owner-occupied1,120
Renter-occupied397
Vacant units160
Home value & age
Median home value$140,400
Owner homes $300k+11.1%
Owner homes $500k+1.3%
Owner homes $750k+0.3%
Median year built1962
Older-home share71.8%
Vehicle context
Households with cars1,428
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.

Frequently asked questions

for homeowners, buyers & sellers
How many hail, wind, and tornado reports does ZIP 51040 have on record?

Our records show 27 hail, 48 wind, and 2 tornado reports in and near ZIP 51040, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on March 14, 2025.

What is the largest hail ever reported in ZIP 51040?

The largest hail size in these storm-report records in and near ZIP 51040 is 3.50″. It was reported near Onawa, IA on June 13, 2024.

A storm report showed up near my home in ZIP 51040 — 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 ZIP 51040 and ask about a Remote Hail Inspection before anyone climbs on the roof.

I am buying a home in ZIP 51040 — 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 ZIP 51040 address before closing helps you ask informed questions about roof age, past repairs, and any prior claims.

I am selling a home in ZIP 51040 — 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 ZIP 51040 address?

Use the address search to pull a free address-level hail report for any property in ZIP 51040 — 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 in and around ZIP 51040, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported in ZIP 51040, 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.

Free Hail Report By Address

Check Your Address in Seconds

Free hail report for any address in the contiguous U.S.

Get a Free Hail Report

100% free. No phone or email required.