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 2.25". There are 16 public hail reports, 1 public wind reports, and 0 nearby tornado reports listed for the May 7, 2023 event.
View the May 7, 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.
Impact Area and Population for the Saint Louis, MO Hail Map
The May 7, 2023 hail swath map for Saint Louis, MO covers approximately 1,559 square miles and includes an estimated 152,596 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 626 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 56,491 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 534 sq mi | 46,999 |
| 0.50-0.75" | 626 sq mi | 56,491 |
| 0.75-1.00" | 246 sq mi | 20,347 |
| 1.00-1.25" | 87 sq mi | 11,432 |
| 1.25-1.50" | 28 sq mi | 3,648 |
| 1.50-1.75" | 29 sq mi | 13,113 |
| 1.75-2.00" | 2 sq mi | 119 |
| 2.00-2.25" | 4 sq mi | 262 |
| 2.25-2.50" | 3 sq mi | 185 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the May 7, 2023 Saint Louis, MO hail event may have reached your area.
Housing Exposure Inside the Saint Louis, MO Hail Swath Map
Inside the May 7, 2023 hail swath map area for Saint Louis, MO, HailGeeks estimates 69,041 single-family homes, 3,934 townhomes, and 16,015 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 26,558 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 23,207 | 981 | 4,321 |
| 0.50-0.75" | 26,558 | 1,468 | 6,361 |
| 0.75-1.00" | 8,522 | 632 | 2,235 |
| 1.00-1.25" | 4,679 | 434 | 1,650 |
| 1.25-1.50" | 1,528 | 85 | 478 |
| 1.50-1.75" | 4,265 | 332 | 955 |
| 1.75-2.00" | 66 | 0 | 3 |
| 2.00-2.25" | 126 | 1 | 7 |
| 2.25-2.50" | 90 | 1 | 5 |
Use this table to review housing exposure by hail band for the May 7, 2023 Saint Louis, MO hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Saint Louis, MO Hail Map
Hail from the May 7, 2023 storm was mapped across 28 counties in the Saint Louis, MO region. Washington County, IL had the strongest mapped signal, peaking at 2.25" with roughly 2,018 single-family homes inside the swath.
County pages group every mapped hail event in the area. For a closer look, drop to the city or ZIP level below, or run a free Hail Report by Address.
Cities Inside the Saint Louis, MO Hail Map
Zooming in, the swath touched 55 cities near Saint Louis, MO. Okawville, IL had the strongest mapped signal at 2.00", with an estimated 117 single-family homes exposed.
City cards show where the May 7, 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 Inside the Saint Louis, MO Hail Swath Map
At the ZIP level, the May 7, 2023 Saint Louis, MO hail map spans 101 ZIP codes. ZIP 62271 shows the strongest local signal, with mapped hail estimates up to 2.25" and an estimated single-family-home exposure of 805.
Check your ZIP in seconds to see whether hail activity from the May 7, 2023 Saint Louis, MO event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the May 7, 2023 hail map for Saint Louis, MO currently list 16 public hail reports, 1 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
May 7, 2023 1:00 PM CT |
2.50 in | Okawville | IL | CORRECTS PREVIOUS HAIL REPORT FROM OKAWVILLE. PICTURES RECEIVED ON TWITTER OF HAIL NEAR THE SIZE OF GOLF BALLS. TIME ESTIMATED. |
May 7, 2023 1:40 PM CT |
1.50 in | 2 N Nashville | IL | GUMBALL SIZED HAIL AT I-64 AND 127. |
May 7, 2023 4:48 PM CT |
1.00 in | 2 SSW O'Fallon | IL | AT THE INTERSECTION OF GREEN MOUNT ROAD AND FRANK SCOTT PARKWAY. |
May 7, 2023 4:52 PM CT |
1.00 in | 1 SSW O'Fallon | IL | NUMEROUS REPORTS OF ONE INCH HAIL IN OFALLON... IL. |
May 7, 2023 4:52 PM CT |
2.75 in | 3 NW Wenonah | IL | No National Weather Service description provided. |
May 7, 2023 4:52 PM CT |
1.25 in | 1 W Shiloh | IL | REPORT FROM MPING: HALF DOLLAR (1.25 IN.). |
May 7, 2023 4:56 PM CT |
1.00 in | 1 ESE New Athens | IL | No National Weather Service description provided. |
May 7, 2023 4:57 PM CT |
2.50 in | 5 SE Morrisonville | IL | NEAR BASEBALL SIZE HAIL 3 MILES NW OF NOKOMIS. SOCIAL MEDIA REPORT WITH PHOTO ON TWITTER. |
May 7, 2023 5:02 PM CT |
1.75 in | 1 NNE O'Fallon | IL | CORRECTS PREVIOUS HAIL REPORT FROM 1 NNE O'FALLON. |
May 7, 2023 5:03 PM CT |
2.75 in | 2 NNW Wenonah | IL | REPORT FROM MPING: BASEBALL (2.75 IN.). |
May 7, 2023 5:53 PM CT |
1.75 in | 1 NE Freeburg | IL | MOSTLY SMALLER HAIL BUT ONE CLUSTERED TO THE SIZE OF A GOLF BALL. |
May 7, 2023 6:04 PM CT |
1.00 in | 1 SSW Butler | IL | REPORT FROM MPING: QUARTER (1.00 IN.). |
May 7, 2023 6:12 PM CT |
1.75 in | Taylor Springs | IL | No National Weather Service description provided. |
May 7, 2023 6:18 PM CT |
1.00 in | Hillsboro | IL | No National Weather Service description provided. |
May 7, 2023 6:43 PM CT |
1.75 in | Raymond | IL | No National Weather Service description provided. |
May 7, 2023 6:44 PM CT |
1.75 in | 3 NE Atwater | IL | No National Weather Service description provided. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
May 7, 2023 5:13 PM CT | Shiloh | IL | WIRES DOWN AND BANK SIGN DAMAGED DUE TO WIND-DRIVEN HAIL. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
| No public tornado reports are available for this event. | ||||
This table includes only public storm reports connected to the May 7, 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 in the Saint Louis, MO Region
We found 6 more hail maps with reports from the same Saint Louis, MO region as the May 7, 2023 event. These related maps cover storm dates from Feb 15, 2023 through May 6, 2023, with mapped hail estimates ranging from 0.75" to 2.50". In this set, the strongest related map reached 2.50", and the most recent map shown is from May 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.
Local Hail Review Options Near Saint Louis, MO
Not sure whether the May 7, 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.
Check a specific property to see whether hail activity from the May 7, 2023 Saint Louis, MO event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Saint Louis, MO region who can help you understand what the property hail signal may mean.
A participating local pro reviews property-level hail history remotely — not just the May 7, 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 May 7, 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.
Frequently Asked Questions
Common questions about the May 7, 2023 Saint Louis, MO hail event.