Hail Swath Map Preview
The Sioux City, IA hail swath map preview was last reviewed on August 30, 2026 and shows mapped hail estimates up to 2.50". There are 12 public hail reports, 0 public wind reports, and 1 nearby tornado reports listed for the May 18, 2026 event.
View the May 18, 2026 Sioux City, IA 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 Sioux City, IA Hail Map
The May 18, 2026 hail swath map for Sioux City, IA covers approximately 1,571 square miles and includes an estimated 23,810 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 575 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 10,326 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 403 sq mi | 6,149 |
| 0.50-0.75" | 575 sq mi | 10,326 |
| 0.75-1.00" | 272 sq mi | 4,784 |
| 1.00-1.25" | 143 sq mi | 1,108 |
| 1.25-1.50" | 78 sq mi | 599 |
| 1.50-1.75" | 42 sq mi | 376 |
| 1.75-2.00" | 31 sq mi | 252 |
| 2.00-2.25" | 18 sq mi | 136 |
| 2.25-2.50" | 6 sq mi | 52 |
| 2.50-2.75" | 3 sq mi | 28 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the May 18, 2026 Sioux City, IA hail event may have reached your area.
Housing Exposure Inside the Sioux City, IA Hail Swath Map
Inside the May 18, 2026 hail swath map area for Sioux City, IA, HailGeeks estimates 11,437 single-family homes, 352 townhomes, and 1,586 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 4,937 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 2,960 | 53 | 503 |
| 0.50-0.75" | 4,937 | 195 | 701 |
| 0.75-1.00" | 2,087 | 88 | 324 |
| 1.00-1.25" | 605 | 5 | 39 |
| 1.25-1.50" | 354 | 3 | 7 |
| 1.50-1.75" | 229 | 1 | 4 |
| 1.75-2.00" | 147 | 3 | 4 |
| 2.00-2.25" | 77 | 2 | 2 |
| 2.25-2.50" | 27 | 1 | 1 |
| 2.50-2.75" | 14 | 1 | 1 |
Use this table to review housing exposure by hail band for the May 18, 2026 Sioux City, IA hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Sioux City, IA Hail Map
Hail from the May 18, 2026 storm was mapped across 27 counties in the Sioux City, IA region. Woodbury County, IA had the strongest mapped signal, peaking at 2.50" with roughly 2,465 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 Sioux City, IA Hail Map
Zooming in, the swath touched 25 cities near Sioux City, IA. Correctionville, IA had the strongest mapped signal at 2.00", with an estimated 15 single-family homes exposed.
City cards show where the May 18, 2026 Sioux City, IA 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 Sioux City, IA Hail Swath Map
At the ZIP level, the May 18, 2026 Sioux City, IA hail map spans 62 ZIP codes. ZIP 51016 shows the strongest local signal, with mapped hail estimates up to 2.50" and an estimated single-family-home exposure of 666.
Check your ZIP in seconds to see whether hail activity from the May 18, 2026 Sioux City, IA event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the May 18, 2026 hail map for Sioux City, IA currently list 12 public hail reports, 0 public wind reports, and 1 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
May 18, 2026 3:49 PM CT |
1.75 in | 4 N Clarkson | NE | No National Weather Service description provided. |
May 18, 2026 5:00 PM CT |
1.00 in | Chatsworth | IA | No National Weather Service description provided. |
May 18, 2026 5:23 PM CT |
1.75 in | 3 WSW Correctionville | IA | Social media picture. |
May 18, 2026 5:26 PM CT |
1.50 in | Correctionville | IA | Picture via social media. |
May 18, 2026 5:30 PM CT |
1.75 in | Pilger | NE | Dime to golf ball size hail. |
May 18, 2026 5:35 PM CT |
1.00 in | Washta | IA | Picture via social media. |
May 18, 2026 5:50 PM CT |
1.00 in | 1 E Wayne | NE | No National Weather Service description provided. |
May 18, 2026 5:51 PM CT |
1.00 in | Sanborn | IA | Report from mPING: Quarter (1.00 in.). Also had picture via social media. |
May 18, 2026 5:52 PM CT |
1.00 in | 4 W Wakefield | NE | Report from mPING: Quarter (1.00 in.). |
May 18, 2026 6:02 PM CT |
1.50 in | Allen | NE | No National Weather Service description provided. |
May 18, 2026 6:10 PM CT |
1.00 in | 4 SW Ponca | NE | Some quarter sized hail stones... but mostly dime sized. Heavy rain... no wind... and no damage. |
May 18, 2026 6:15 PM CT |
1.50 in | 2 WNW Ponca | NE | Rainfall so far this evening has only been 0.25 inch... but the sky looked like heavier and hail fell to the southeast closer to Ponca. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
| No public wind reports are available for this event. | ||||
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
May 18, 2026 7:19 PM CT | UNK | 1 S Winnebago | NE | An EF-1 tornado touched down west of Highway 77 and tracked northeast damaging trees and the roofs of homes. The tornado impacted locations near baseball fields on the south side of Highway 75. Damage to bleachers... signage... and the dugout occurred... and across the highway there was damage to grain bins and a large tree landed on a home. The tornado continued northeast and did minor damage to a large water tank and additional tree damage along D Avenue. |
This table includes only public storm reports connected to the May 18, 2026 Sioux City, IA storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Sioux City, IA Region
We found 6 more hail maps with reports from the same Sioux City, IA region as the May 18, 2026 event. These related maps cover storm dates from Apr 15, 2026 through May 17, 2026, with mapped hail estimates ranging from 0.75" to 3.50". In this set, the strongest related map reached 3.50", and the most recent map shown is from May 17, 2026.
If none of these related Sioux City, IA 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 Sioux City, IA region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Sioux City, IA
Not sure whether the May 18, 2026 Sioux City, IA 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 Sioux City, IA 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 18, 2026 Sioux City, IA event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Sioux City, IA 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 18, 2026 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 18, 2026 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Sioux City, IA 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 18, 2026 Sioux City, IA hail event.