Heads up! Small hail spotted in these regions: McAllen, TX • Laredo, TX • Greenville, NC • Columbia, SC • Casper, WY      ATTENTION! Damaging hail detected. Hail tracking is now active for these regions: Albuquerque, NM • Wilmington, NC • Asheville, NC • Kingsport, TN • Johnson City, TN • Grand Junction, CO • Fayetteville, NC • Raleigh, NC • Saint Louis, MO • Champaign, IL • Mattoon, IL • Tampa, FL • Charlotte, NC • Owensboro, KY • Knoxville, TN • Evansville, IN • Farmington, NM • Louisville, KY • Provo, UT • Salt Lake City, UT      
HailGeeks
Free Interactive Hail Map

Hail Map with Reports for Saint Louis, MO

View the free hail map with reports for Saint Louis, MO from August 11, 2023. This event is marked as Complete, with a Moderate storm impact level and a Moderate Event Inspection Score.

Free Interactive Hail Map Hail Report by ZIP
Moderate
Event Inspection Score
Moderate
Storm Impact
Complete
Event Status
Aug 11, 2023
Event Date
Map Preview

Hail Swath Map Preview

The Saint Louis, MO hail swath map preview was last reviewed on August 28, 2026 and shows mapped hail estimates up to 1.75". There are 0 public hail reports, 14 public wind reports, and 0 nearby tornado reports listed for the August 11, 2023 event.

Region: Saint Louis, MO
August 11, 2023 Hail swath map preview for Saint Louis, MO on August 11, 2023
Open Interactive Map
Max Hail
1.75"
Mapped estimated hail size
Public Hail Reports
0
Largest report: —
Public Wind Reports
14
Reports near map area
Tornado Reports
0
Reports near map area

View the August 11, 2023 Saint Louis, MO hail event on the free interactive hail map, then check a free Hail Report by ZIP to see a more local hail signal for your area.

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Map Footprint

Impact Area and Population for the Saint Louis, MO Hail Map

The August 11, 2023 hail swath map for Saint Louis, MO covers approximately 1,447 square miles and includes an estimated 224,047 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 596 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 103,106 people.

Mapped Impact Area
1,447 sq mi
Largest band: < 0.50"
Population Inside Footprint
224,047
Highest population band: 0.50-0.75"
Mapped Hail BandImpact AreaPopulation
< 0.50"596 sq mi88,301
0.50-0.75"565 sq mi103,106
0.75-1.00"214 sq mi28,842
1.00-1.25"54 sq mi3,585
1.25-1.50"14 sq mi145
1.50-1.75"2 sq mi18
1.75-2.00"3 sq mi50

Get a free Hail Report by ZIP to see a more local hail signal and whether the August 11, 2023 Saint Louis, MO hail event may have reached your area.

Housing Impact

Housing Exposure Inside the Saint Louis, MO Hail Swath Map

Inside the August 11, 2023 hail swath map area for Saint Louis, MO, HailGeeks estimates 100,576 single-family homes, 5,290 townhomes, and 18,853 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 43,206 single-family homes.

Single-Family Homes
100,576
Largest band: 0.50-0.75"
Townhomes
5,290
Largest band: 0.50-0.75"
Multifamily Properties
18,853
Largest band: 0.50-0.75"
Mapped Hail BandSingle-FamilyTownhomesMultifamily
< 0.50"38,6062,1287,288
0.50-0.75"43,2062,8939,230
0.75-1.00"16,0482471,953
1.00-1.25"2,61122382
1.25-1.50"7300
1.50-1.75"900
1.75-2.00"2300

Use this table to review housing exposure by hail band for the August 11, 2023 Saint Louis, MO hail map. To check a specific property more closely, use a free Hail Report by Address.

Affected Cities

Cities Inside the Saint Louis, MO Hail Map

Zooming in, the swath touched 43 cities near Saint Louis, MO. Godfrey, IL had the strongest mapped signal at 1.00", with an estimated 5,873 single-family homes exposed.

GodfreyIL
6K homes in the hail path
East AltonIL
3K homes in the hail path
OttervilleIL
23 homes in the hail path
AltonIL
10K homes in the hail path
Dardenne PrairieMO
9K homes in the hail path
EdwardsvilleIL
6K homes in the hail path
Lake St. LouisMO
4K homes in the hail path
Glen CarbonIL
4K homes in the hail path
BethaltoIL
3K homes in the hail path
Wood RiverIL
3K homes in the hail path
O'FallonMO
3K homes in the hail path
TroyIL
3K homes in the hail path
Showing 12 of 43 cities

City cards show where the August 11, 2023 Saint Louis, MO hail activity was mapped, but your ZIP can show a closer local signal. Get a free Hail Report by ZIP, and if the signal looks meaningful, ask a local pro about a Remote Hail Inspection to see whether an on-site roof or exterior review may be worth scheduling.

ZIP Codes

ZIP Codes Inside the Saint Louis, MO Hail Swath Map

At the ZIP level, the August 11, 2023 Saint Louis, MO hail map spans 75 ZIP codes. ZIP 63336 shows the strongest local signal, with mapped hail estimates up to 1.75" and an estimated single-family-home exposure of 528.

63336Clarksville, MO
528 homes in the hail path
63353Louisiana, MO
46 homes in the hail path
62031Fieldon, IL
262 homes in the hail path
62002Alton, IL
10K homes in the hail path
62035Godfrey, IL
6K homes in the hail path
62095Wood River, IL
4K homes in the hail path
62024East Alton, IL
3K homes in the hail path
62626Carlinville, IL
2K homes in the hail path
62018East Alton, IL
1K homes in the hail path
62022IL
576 homes in the hail path
63344Eolia, MO
508 homes in the hail path
62037Grafton, IL
413 homes in the hail path
Showing 12 of 75 ZIP codes

Check your ZIP in seconds to see whether hail activity from the August 11, 2023 Saint Louis, MO event was mapped near your area.

Public Storm Reports

Public Hail, Wind, and Tornado Reports

Public storm report tables connected to the August 11, 2023 hail map for Saint Louis, MO currently list 0 public hail reports, 14 public wind reports, and 0 tornado reports.

Date & TimeWind SpeedCityStateDescription
August 12, 2023
4:03 AM CT
TroyMOReport relayed from a viewer of trees down in Troy... MO.
August 12, 2023
4:05 AM CT
3 E Hawk PointMOOpen sided pole barn shifted off foundation with part of end wall blown out. Via Facebook post with picture.
August 12, 2023
4:12 AM CT
TroyMOTrees down in the city.
August 12, 2023
4:15 AM CT
TroyMOSeveral trees blown down. Via Facebook post with pictures.
August 12, 2023
4:17 AM CT
4 WNW Old MonroeMOPower poles down.
August 12, 2023
4:20 AM CT
2 SE Flint HillMOSeveral large tree limbs snapped off around the neighborhood as well as minor shingle damage to a few roofs.
August 12, 2023
4:25 AM CT
WentzvilleMOLarge pine tree snapped off about halfway up trunk. Via Facebook with picture.
August 12, 2023
4:35 AM CT
1 ESE O'FallonMOA large tree blown down. Also... a large tree limb was snapped off landing on a vinyl fence damaging it. Via Twitter with pictures.
August 12, 2023
4:37 AM CT
1 N Saint CharlesMOLarge tree branch blown down onto house causing minor roof... soffit and gutter damage. Via Twitter with picture.
August 12, 2023
4:40 AM CT
1 WSW Weldon SpringMOA large tree was blown over near the intersection of Independence Road and Patriotic Trail. With pictures.
August 12, 2023
4:50 AM CT
2 ESE ChesterfieldMOPower lines down along Schoetler Valley Drive. Time estimated from radar.
August 12, 2023
5:09 AM CT
3 SSE EurekaMO6in tree limbs snapped from several trees. Report via Twitter.
August 12, 2023
4:38 AM CT
60 mphSaint PetersMONo National Weather Service description provided.
August 12, 2023
4:43 AM CT
60 mph1 WNW CottlevilleMONo National Weather Service description provided.
Showing 14 public wind reports

This table includes only public storm reports connected to the August 11, 2023 Saint Louis, MO storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.

Related Hail Maps

Related Hail Maps in the Saint Louis, MO Region

We found 6 more hail maps with reports from the same Saint Louis, MO region as the August 11, 2023 event. These related maps cover storm dates from Jul 28, 2023 through Aug 6, 2023, with mapped hail estimates ranging from 0.75" to 2.00". In this set, the strongest related map reached 2.00", and the most recent map shown is from Aug 6, 2023.

If none of these related Saint Louis, MO hail maps look close enough to your property, check a free Hail Report by Address. It reviews hail history for a specific location — not just the broader Saint Louis, MO region — so you can check whether hail activity may have reached your property.

Remote Hail Inspection

Local Hail Review Options Near Saint Louis, MO

Not sure whether the August 11, 2023 Saint Louis, MO hail map matters for your property? Start with a free Hail Report by Address to see whether hail activity was mapped for that property. If the property signal looks meaningful, you can choose a local pro serving the Saint Louis, MO region and ask about a Remote Hail Inspection before deciding whether an on-site roof or exterior review is worth scheduling.

Get a Free Hail Report by Address

Check a specific property to see whether hail activity from the August 11, 2023 Saint Louis, MO event — or another recent hail event — may have been mapped at that address.

A Participating Local Pro

Find a roof or exterior pro serving the Saint Louis, MO region who can help you understand what the property hail signal may mean.

Remote Hail Inspection

A participating local pro reviews property-level hail history remotely — not just the August 11, 2023 event — to help decide whether an on-site inspection may be worth scheduling.

A free Hail Report by Address and a Remote Hail Inspection can help you look beyond the August 11, 2023 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Saint Louis, MO region, but they can help you make a more informed next decision before anyone climbs on the roof.

FAQ

Frequently Asked Questions

Common questions about the August 11, 2023 Saint Louis, MO hail event.

How big was the hail in Saint Louis, MO on August 11, 2023?
Mapped hail estimates reached up to 1.75" in the Saint Louis, MO area on August 11, 2023.
How accurate is this Saint Louis, MO hail map?
This hail map is based on mapped hail estimates, with public storm report context shown where available. It helps show where stronger hail may have occurred during the August 11, 2023 storm event, but it does not confirm property damage at any one address.
What does the Event Inspection Score of Moderate mean?
For this Saint Louis, MO event, the Event Inspection Score is Moderate. The score reflects how strong the hail-history signal is and whether a closer roof or exterior review may make sense. A higher score means a stronger signal, not confirmed damage.
How many people were in the Saint Louis, MO hail area?
An estimated 224,047 people live inside the mapped hail footprint, which covers about 1,447 square miles. This is an estimate of residents inside the storm area, not a count of people who reported damage.
How many storm reports came from this event?
For the August 11, 2023 Saint Louis, MO event, public storm report tables currently list 0 hail reports, 14 wind reports, and 0 tornado reports. Public reports are point observations and are not available for every location.
Can I use this Saint Louis, MO hail map for my business or content?
Yes. This hail map is free to use and share for marketing, print, blogs, content, research, and similar uses as long as attribution is included with a link back to this page. Use the Share button on the map to copy a ready-made credit line. Use is also subject to our Terms of Use.
How often is this hail map updated?
This event map was generated shortly after the storm and was last reviewed on August 28, 2026. It may be updated as additional hail data or public storm reports become available.
My home is in the Saint Louis, MO area — what should I do?
If your address falls inside a mapped hail band from the August 11, 2023 storm event, check a free Hail Report by Address for an address-level first look. You can also ask a qualified local pro whether a closer roof or exterior review may make sense.
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