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 2.75". There are 17 public hail reports, 6 public wind reports, and 0 nearby tornado reports listed for the July 17, 2023 event.
View the July 17, 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 July 17, 2023 hail swath map for Saint Louis, MO covers approximately 799 square miles and includes an estimated 279,674 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 281 square miles. The highest estimated population exposure is in the 0.75-1.00" hail band with 58,323 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 161 sq mi | 25,087 |
| 0.50-0.75" | 281 sq mi | 58,126 |
| 0.75-1.00" | 142 sq mi | 58,323 |
| 1.00-1.25" | 73 sq mi | 44,814 |
| 1.25-1.50" | 56 sq mi | 27,325 |
| 1.50-1.75" | 31 sq mi | 24,971 |
| 1.75-2.00" | 25 sq mi | 28,157 |
| 2.00-2.25" | 10 sq mi | 4,160 |
| 2.25-2.50" | 9 sq mi | 3,914 |
| 2.50-2.75" | 5 sq mi | 2,634 |
| 2.75-3.00" | 5 sq mi | 2,163 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the July 17, 2023 Saint Louis, MO hail event may have reached your area.
Housing Exposure Inside the Saint Louis, MO Hail Swath Map
Inside the July 17, 2023 hail swath map area for Saint Louis, MO, HailGeeks estimates 159,350 single-family homes, 6,380 townhomes, and 53,934 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.75-1.00" hail band, with 32,208 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 14,013 | 431 | 3,823 |
| 0.50-0.75" | 31,018 | 1,444 | 12,079 |
| 0.75-1.00" | 32,208 | 1,012 | 9,687 |
| 1.00-1.25" | 26,336 | 1,626 | 12,338 |
| 1.25-1.50" | 16,547 | 364 | 2,919 |
| 1.50-1.75" | 14,567 | 788 | 4,605 |
| 1.75-2.00" | 15,858 | 462 | 4,683 |
| 2.00-2.25" | 2,663 | 97 | 1,094 |
| 2.25-2.50" | 2,386 | 71 | 945 |
| 2.50-2.75" | 1,730 | 59 | 1,254 |
| 2.75-3.00" | 2,024 | 26 | 507 |
Use this table to review housing exposure by hail band for the July 17, 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 July 17, 2023 storm was mapped across 21 counties in the Saint Louis, MO region. St. Clair County, IL had the strongest mapped signal, peaking at 2.75" with roughly 29,016 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 57 cities near Saint Louis, MO. East St. Louis, IL had the strongest mapped signal at 2.50", with an estimated 5,785 single-family homes exposed.
City cards show where the July 17, 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 July 17, 2023 Saint Louis, MO hail map spans 75 ZIP codes. ZIP 62205 shows the strongest local signal, with mapped hail estimates up to 2.75" and an estimated single-family-home exposure of 2,767.
Check your ZIP in seconds to see whether hail activity from the July 17, 2023 Saint Louis, MO event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the July 17, 2023 hail map for Saint Louis, MO currently list 17 public hail reports, 6 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
July 17, 2023 2:35 PM CT |
1.25 in | 4 N Florissant | MO | No National Weather Service description provided. |
July 17, 2023 2:38 PM CT |
1.00 in | Godfrey | IL | Mix of pea... dime... and quarter sized hail. |
July 17, 2023 2:40 PM CT |
1.00 in | 3 NNE Florissant | MO | Report from mPING: Quarter (1.00 in.). |
July 17, 2023 2:44 PM CT |
2.00 in | 1 NE Florissant | MO | via Twitter... time estimated from radar. |
July 17, 2023 2:44 PM CT |
1.25 in | 1 WNW Spanish Lake | MO | At intersection of Highway 367 and Parker Road. Via picture on Facebook. |
July 17, 2023 2:45 PM CT |
1.00 in | 2 NE Florissant | MO | No National Weather Service description provided. |
July 17, 2023 3:12 PM CT |
1.25 in | Madison | IL | No National Weather Service description provided. |
July 17, 2023 3:12 PM CT |
1.25 in | 1 N Madison | IL | Report from mPING: Half Dollar (1.25 in.). |
July 17, 2023 3:20 PM CT |
1.00 in | 1 ENE Granite City | IL | No National Weather Service description provided. |
July 17, 2023 3:26 PM CT |
1.25 in | 2 WNW Belleville | IL | No National Weather Service description provided. |
July 17, 2023 3:28 PM CT |
1.00 in | Caseyville | IL | No National Weather Service description provided. |
July 17, 2023 3:29 PM CT |
1.75 in | 1 SE Centreville | IL | By Lady of the Snows Shrine on Highway 15. |
July 17, 2023 3:29 PM CT |
2.50 in | 2 SE Centreville | IL | Hail up to tennis ball size. Also... several cars with windows broken in the area where the hail fell. |
July 17, 2023 3:32 PM CT |
2.00 in | 2 W Belleville | IL | Hail lasted for 12 minutes. |
July 17, 2023 3:33 PM CT |
2.00 in | 3 NW Belleville | IL | No National Weather Service description provided. |
July 17, 2023 3:36 PM CT |
1.00 in | 1 WSW Belleville | IL | No National Weather Service description provided. |
July 17, 2023 3:36 PM CT |
1.00 in | 2 NW Belleville | IL | Reported at Memorial Hospital. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
July 17, 2023 3:02 PM CT | 1 SW Granite City | IL | Large tree snapped off. It fell onto a power line taking the line down. Via picture on Twitter. | |
July 17, 2023 3:07 PM CT | 1 W Granite City | IL | *** 2 INJ *** A large tree was uprooted onto a house on Logan Street. Two people inside the home were injured and taken to a nearby hospital. | |
July 17, 2023 5:58 PM CT | Piney Park | MO | Large tree snapped off and pulled down nearby power line. | |
July 17, 2023 6:13 PM CT | 2 NNE Oermann | MO | Large tree limb snapped off and landed on Township Ln. | |
July 17, 2023 6:24 PM CT | 2 NNE Oermann | MO | Corrects previous tstm wnd dmg report from 2 NNE Oermann. Large tree limb snapped off and landed on Township Ln. | |
July 17, 2023 6:49 PM CT | Festus | MO | Large tree uprooted and fell onto a garage causing moderate roof damage. Also a car sustained damage from the fallen tree. Numerous tree limbs blown down as well. Via pictures on Twitter. |
| 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 July 17, 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 July 17, 2023 event. These related maps cover storm dates from Jul 4, 2023 through Jul 16, 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 Jul 16, 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 July 17, 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 July 17, 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 July 17, 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 July 17, 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 July 17, 2023 Saint Louis, MO hail event.