Hail Swath Map Preview
The Sioux City, IA hail swath map preview was last reviewed on September 4, 2026 and shows mapped hail estimates up to 2.00". There are 3 public hail reports, 21 public wind reports, and 0 nearby tornado reports listed for the September 1, 2026 event.
View the September 1, 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 September 1, 2026 hail swath map for Sioux City, IA covers approximately 2,640 square miles and includes an estimated 74,059 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 997 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 29,342 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 640 sq mi | 13,756 |
| 0.50-0.75" | 997 sq mi | 29,342 |
| 0.75-1.00" | 530 sq mi | 17,876 |
| 1.00-1.25" | 247 sq mi | 8,297 |
| 1.25-1.50" | 135 sq mi | 3,613 |
| 1.50-1.75" | 75 sq mi | 1,063 |
| 1.75-2.00" | 13 sq mi | 79 |
| 2.00-2.25" | 5 sq mi | 33 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the September 1, 2026 Sioux City, IA hail event may have reached your area.
Housing Exposure Inside the Sioux City, IA Hail Swath Map
Inside the September 1, 2026 hail swath map area for Sioux City, IA, HailGeeks estimates 29,224 single-family homes, 1,257 townhomes, and 8,017 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 12,070 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 5,509 | 211 | 1,236 |
| 0.50-0.75" | 12,070 | 475 | 3,058 |
| 0.75-1.00" | 6,656 | 324 | 2,307 |
| 1.00-1.25" | 3,052 | 161 | 1,057 |
| 1.25-1.50" | 1,405 | 69 | 313 |
| 1.50-1.75" | 473 | 17 | 38 |
| 1.75-2.00" | 42 | 0 | 5 |
| 2.00-2.25" | 17 | 0 | 3 |
Use this table to review housing exposure by hail band for the September 1, 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 September 1, 2026 storm was mapped across 19 counties in the Sioux City, IA region. Clay County, SD had the strongest mapped signal, peaking at 2.00" with roughly 2,834 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 40 cities near Sioux City, IA. Orange City, IA had the strongest mapped signal at 1.50", with an estimated 1,466 single-family homes exposed.
City cards show where the September 1, 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 September 1, 2026 Sioux City, IA hail map spans 59 ZIP codes. ZIP 57069 shows the strongest local signal, with mapped hail estimates up to 2.00" and an estimated single-family-home exposure of 2,635.
Check your ZIP in seconds to see whether hail activity from the September 1, 2026 Sioux City, IA event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the September 1, 2026 hail map for Sioux City, IA currently list 3 public hail reports, 21 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
September 1, 2026 9:59 PM CT |
2.00 in | Randolph | NE | Report from Randolph Fire Department with picture of 2 inch hail. Report relayed via NWSChat and time estimated via radar. |
September 1, 2026 10:13 PM CT |
0.70 in | 3 S Sioux Center | IA | Dime size hail and couple stones slightly larger a couple miles south of Sioux Center. |
September 1, 2026 10:18 PM CT |
1.00 in | 2 Nnw Orange City | IA | Report from social media. Time estimated from radar. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
September 1, 2026 8:21 PM CT | 11 Ne Vermillion | SD | EM reported a semi blown off I-29 between mile marker 33 and 34 at approximately 8:21 pm. | |
September 1, 2026 8:25 PM CT | 63 mph | 4 Nnw Fordyce | NE | Recorded by a public mesonet station. |
September 1, 2026 8:25 PM CT | 5 Nnw Fordyce | NE | Report of tipped over tractor trailer on its side 2 miles north of Highway 12 and US 81 junction blocking the highway. Report relayed by EM via NWSChat. Time estimated via radar. | |
September 1, 2026 8:32 PM CT | 98 mph | 4 Nne Fordyce | NE | Wind gust of 98 mph measured by Nebraska Mesonet Station near Fordyce. |
September 1, 2026 8:45 PM CT | 63 mph | 3 N Hartington | NE | Mesonet report of personal weather station gusting to 63 mph. |
September 1, 2026 8:52 PM CT | Wynot | NE | Public report of 12 inch diameter tree limbs down across Wynot. Power lines blown over on northwest side of town. Time estimated via radar. | |
September 1, 2026 9:05 PM CT | 1 W Vermillion | SD | Corrects previous tstm wnd dmg report from 1 W Vermillion. Spotter reported multiple large branches down_ estimated between 3 and 5 inches at the base. Also reported the rain was flying sideways_ but | |
September 1, 2026 9:05 PM CT | 1 W Vermillion | SD | Spotter reported multiple large branches down_ estimated between 3 and 5 inches at the base. Also reported the rain was flying sideways_ but no hail at time of report. Report aligns with radar data a | |
September 1, 2026 9:07 PM CT | Vermillion | SD | Reports of large trees down in city limits. | |
September 1, 2026 9:08 PM CT | 62 mph | Vermillion | SD | Measured by personal weather staton. |
September 1, 2026 9:09 PM CT | 59 mph | 1 Se Vermillion | SD | Measured by personal weather station. |
September 1, 2026 9:10 PM CT | 67 mph | 1 Ssw Vermillion | SD | AWOS system KVMR. |
September 1, 2026 9:21 PM CT | 11 Sw Alcester | SD | EM report of semi blown off I-29 at approximately 9:21 pm between mile marker 33 and 34. Timing of damage aligns well with radar wind surge. | |
September 1, 2026 9:25 PM CT | Alcester | SD | EM reported multiple large tree branches down of 3 inches and greater. Also reported multiple power lines down. Suspected power lines were brought down by the trees. Timing aligns well with radar vel | |
September 1, 2026 9:26 PM CT | 58 mph | 3 Ssw Beresford | SD | No National Weather Service description provided. |
September 1, 2026 9:30 PM CT | 60 mph | 10 Sse Alcester | SD | Wind measured by anemometer. |
September 1, 2026 9:50 PM CT | 81 mph | 9 Nne Hawarden | IA | Measured by personal weather station. |
September 1, 2026 10:02 PM CT | Hull | IA | Tree down on a powerline knocking out power for a few customers in Hull. Time estimated from radar. | |
September 1, 2026 8:33 PM CT | 113 mph | 4 Nnw Fordyce | NE | Measured by Nebraska Mesonet Site near Fordyce. |
September 1, 2026 8:34 PM CT | 110 mph | 4 Nne Fordyce | NE | Corrects previous tstm wnd gst report from 4 NNE Fordyce. Wind gust of 98 mph measured by Nebraska Mesonet Station near Fordyce. |
September 1, 2026 9:05 PM CT | 1 W Vermillion | SD | Spotter reported multiple large branches down_ estimated between 3 and 5 inches at the base. Also reported the rain was flying sideways_ but no hail was occurring at time of report. |
| 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 September 1, 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 September 1, 2026 event. These related maps cover storm dates from Aug 12, 2026 through Aug 30, 2026, with mapped hail estimates ranging from 0.75" to 1.25". In this set, the strongest related map reached 1.25", and the most recent map shown is from Aug 30, 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 September 1, 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 September 1, 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 September 1, 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 September 1, 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 September 1, 2026 Sioux City, IA hail event.