Hail Swath Map Preview
The Sioux Falls, SD hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 3.00". There are 20 public hail reports, 22 public wind reports, and 1 nearby tornado reports listed for the August 28, 2021 event.
View the August 28, 2021 Sioux Falls, SD 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 Falls, SD Hail Map
The August 28, 2021 hail swath map for Sioux Falls, SD covers approximately 4,927 square miles and includes an estimated 238,626 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 1,699 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 111,408 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 1,172 sq mi | 71,416 |
| 0.50-0.75" | 1,699 sq mi | 111,408 |
| 0.75-1.00" | 884 sq mi | 30,106 |
| 1.00-1.25" | 463 sq mi | 10,620 |
| 1.25-1.50" | 324 sq mi | 8,898 |
| 1.50-1.75" | 210 sq mi | 3,300 |
| 1.75-2.00" | 73 sq mi | 1,605 |
| 2.00-2.25" | 36 sq mi | 458 |
| 2.25-2.50" | 25 sq mi | 368 |
| 2.50-2.75" | 20 sq mi | 295 |
| 2.75-3.00" | 18 sq mi | 139 |
| 3.00-3.25" | 2 sq mi | 13 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 28, 2021 Sioux Falls, SD hail event may have reached your area.
Housing Exposure Inside the Sioux Falls, SD Hail Swath Map
Inside the August 28, 2021 hail swath map area for Sioux Falls, SD, HailGeeks estimates 88,641 single-family homes, 8,238 townhomes, and 34,979 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 38,387 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 26,476 | 2,152 | 12,914 |
| 0.50-0.75" | 38,387 | 4,835 | 17,644 |
| 0.75-1.00" | 11,915 | 985 | 2,774 |
| 1.00-1.25" | 4,815 | 106 | 724 |
| 1.25-1.50" | 4,021 | 112 | 589 |
| 1.50-1.75" | 1,669 | 38 | 189 |
| 1.75-2.00" | 734 | 7 | 74 |
| 2.00-2.25" | 227 | 1 | 26 |
| 2.25-2.50" | 180 | 1 | 16 |
| 2.50-2.75" | 144 | 1 | 18 |
| 2.75-3.00" | 68 | 0 | 11 |
| 3.00-3.25" | 5 | 0 | 0 |
Use this table to review housing exposure by hail band for the August 28, 2021 Sioux Falls, SD hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Sioux Falls, SD Hail Map
Hail from the August 28, 2021 storm was mapped across 30 counties in the Sioux Falls, SD region. Lyon County, IA had the strongest mapped signal, peaking at 3.00" with roughly 3,499 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 Falls, SD Hail Map
Zooming in, the swath touched 79 cities near Sioux Falls, SD. Lester, IA had the strongest mapped signal at 2.50", with an estimated 17 single-family homes exposed.
City cards show where the August 28, 2021 Sioux Falls, SD 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 Falls, SD Hail Swath Map
At the ZIP level, the August 28, 2021 Sioux Falls, SD hail map spans 110 ZIP codes. ZIP 51241 shows the strongest local signal, with mapped hail estimates up to 3.00" and an estimated single-family-home exposure of 821.
Check your ZIP in seconds to see whether hail activity from the August 28, 2021 Sioux Falls, SD event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the August 28, 2021 hail map for Sioux Falls, SD currently list 20 public hail reports, 22 public wind reports, and 1 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
August 28, 2021 3:32 PM CT |
1.00 in | 6 SW Orland | SD | HAIL MOSTLY DIME TO NICKEL SIZED... BUT SOME AS BIG AS QUARTERS. ALSO HEAVY RAIN. |
August 28, 2021 4:15 PM CT |
1.00 in | Hurley | SD | QUARTER SIZED HAIL. |
August 28, 2021 5:28 PM CT |
1.00 in | Larchwood | IA | PICTURE VIA SOCIAL MEDIA. RECEIVED LARGER HAIL FROM SECONDARY STORM LATER IN EVENING. |
August 28, 2021 5:38 PM CT |
1.00 in | Hills | MN | DELAYED REPORT. MOST OF THE HAIL WAS DIMES OR SMALLER... BUT THERE WERE A FEW QUARTER-SIZED HAIL STONES. |
August 28, 2021 6:20 PM CT |
1.00 in | 3 NNW Ihlen | MN | DELAYED REPORT. |
August 28, 2021 6:52 PM CT |
1.25 in | 5 WSW Canton | SD | PICTURE VIA SOCIAL MEDIA. |
August 28, 2021 6:55 PM CT |
1.00 in | 1 W Harrisburg | SD | REPORT FROM MPING: QUARTER (1.00 IN.). |
August 28, 2021 6:55 PM CT |
1.00 in | Harrisburg | SD | REPORT FROM MPING: QUARTER (1.00 IN.). |
August 28, 2021 6:58 PM CT |
1.75 in | Salem | SD | No National Weather Service description provided. |
August 28, 2021 7:16 PM CT |
1.00 in | 2 NE Canton | SD | A FEW QUARTERS... MOSTLY NICKEL. |
August 28, 2021 7:20 PM CT |
1.75 in | 3 S Salem | SD | REPORT FROM SOCIAL MEDIA... HALF DOLLAR TO GOLF BALL SIZE HAIL. |
August 28, 2021 7:35 PM CT |
1.00 in | 5 SSW Larchwood | IA | MOSTLY PEA-SIZED HAIL FOR ABOUT 5 MINUTES... LARGEST HAIL STONES WERE QUARTER SIZED. |
August 28, 2021 7:36 PM CT |
3.50 in | 2 SSW Current Lake | MN | PICTURE VIA SOCIAL MEDIA. |
August 28, 2021 7:40 PM CT |
2.00 in | 3 SSW Current Lake | MN | DELAYED REPORT. MEASURED HAIL AT 2.25 INCHES IN DIAMETER. |
August 28, 2021 7:41 PM CT |
4.00 in | 2 SSW Current Lake | MN | DELAYED REPORT. SOCIAL MEDIA REPORTS LARGE HAIL MEASURED AT 3.75 INCHES. |
August 28, 2021 7:48 PM CT |
2.50 in | 1 WNW Larchwood | IA | No National Weather Service description provided. |
August 28, 2021 7:48 PM CT |
4.00 in | Larchwood | IA | MULTIPLE PICTURES FROM AROUND LARCHWOOD VIA SOCIAL MEDIA OF HAIL RANGING FROM TENNIS BALL SIZE TO AS LARGE AS 4 INCHES IN DIAMETER. |
August 28, 2021 7:50 PM CT |
1.50 in | 5 E Canistota | SD | REPORT VIA SOCIAL MEDIA FROM LAKE VERMILLION. |
August 28, 2021 7:53 PM CT |
1.00 in | Lester | IA | VIA SOCIAL MEDIA. |
August 28, 2021 8:08 PM CT |
1.75 in | Hills | MN | REPORT VIA SOCIAL MEDIA. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
August 28, 2021 4:30 PM CT | 4 NNW Worthing | SD | REPORT VIA SOCIAL MEDIA OF 2 SEMI TRUCKS FLIPPED OVER A LITTLE SOUTH OF I-29 EXIT 68. | |
August 28, 2021 4:38 PM CT | 2 SSE Sioux Falls | SD | DELAYED REPORT FROM SOCIAL MEDIA. LARGE TREE KNOCKED OVER AND ONTO THE FENCE AT SPENCER DOG PARK. | |
August 28, 2021 4:40 PM CT | Canton | SD | SOCIAL MEDIA PICTURE OF LARGE TREE DOWN. | |
August 28, 2021 4:40 PM CT | Harrisburg | SD | REPORT VIA SOCIAL MEDIA OF TREE DAMAGE IN HARRISBURG. | |
August 28, 2021 5:21 PM CT | Chandler | MN | 4 TO 6 INCH DIAMETER TREE BRANCHES BROKEN DOWN BY WIND GUSTS. | |
August 28, 2021 5:23 PM CT | Adrian | MN | STRONG WINDS KNOCKED TREES DOWN IN THE SOUTHERN PART OF ADRIAN. | |
August 28, 2021 5:30 PM CT | 2 E Iona | MN | TREES SNAPPED BY WINDS. | |
August 28, 2021 5:40 PM CT | Hills | MN | DELAYED REPORT. TREES REPORTED DOWN... DIAMETER OF THE TRUNKS WAS 2-3 FEET. A POWER LINE WAS KNOCKED DOWN AS WELL... RESULTING IN POWER OUTAGE OF ABOUT 3 HOURS. | |
August 28, 2021 5:58 PM CT | 1 E Slayton | MN | REPORT VIA SOCIAL MEDIA OF TREE DAMAGE EAST OF SLAYTON. | |
August 28, 2021 6:20 PM CT | 3 NNW Ihlen | MN | DELAYED REPORT. LARGE TREE BRANCHES DOWN FROM A COTTONWOOD TREE... BRANCHES WERE AROUND 5 INCHES IN DIAMETER. | |
August 28, 2021 8:12 PM CT | 3 NNW Lester | IA | REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. | |
August 28, 2021 4:07 PM CT | 70 mph | 6 WSW Hurley | SD | CORRECTS PREVIOUS TSTM WND GST REPORT FROM 6 WSW HURLEY. WINDS AROUND 70 MPH MAKING THE BACK OF HIS PICKUP TRUCK DANCE AROUND. HEAVY RAIN AND PEA SIZED HAIL TOO. |
August 28, 2021 4:19 PM CT | 70 mph | Hurley | SD | WIND GUSTS 60-70 MPH. |
August 28, 2021 4:24 PM CT | 72 mph | Lennox | SD | DELAYED REPORT. PERSONAL WEATHER STATION REPORTED GUST OF 72 MPH. |
August 28, 2021 4:40 PM CT | 61 mph | 1 SSW Harrisburg | SD | CORRECTS PREVIOUS TSTM WND GST REPORT FROM 1 SSW HARRISBURG FOR INCORRECT TIME. DELAYED REPORT. PERSONAL WEATHER STATION REPORTED GUST OF 61 MPH. |
August 28, 2021 4:45 PM CT | 70 mph | 2 E Harrisburg | SD | BRANCHES ON COTTONWOOD TREE BLOWN UPWARD AND OFF... LANDING ON ROOF OF HOUSE. |
August 28, 2021 4:57 PM CT | 68 mph | 1 WSW Beaver Creek | MN | DELAYED REPORT FROM BEAVER CREEK I-90 MP 4... MN. MN006. |
August 28, 2021 5:00 PM CT | 61 mph | 3 WSW Luverne | MN | DELAYED REPORT FROM MESONET STATION FW5856 LUVERNE. |
August 28, 2021 5:03 PM CT | 61 mph | 1 WSW Luverne | MN | DELAYED REPORT FROM PERSONAL WEATHER STATION JUST WEST OF LUVERNE... MN. |
August 28, 2021 5:11 PM CT | 68 mph | 3 ENE Hardwick | MN | RELAYED REPORT FROM PERSONAL WEATHER STATION REPORTED GUST OF 68 MPH. |
August 28, 2021 5:44 PM CT | 60 mph | 1 W Slayton | MN | No National Weather Service description provided. |
August 28, 2021 9:40 PM CT | 61 mph | 1 SSW Harrisburg | SD | DELAYED REPORT. PERSONAL WEATHER STATION REPORTED GUST OF 61 MPH. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
August 28, 2021 4:22 PM CT | UNK | 1 WSW Lennox | SD | NWS STORM SURVEY FOUND AN EF1 TORNADO BEGAN JUST WEST OF TOWN OF LENNOX AND LIFTED JUST EAST OF TOWN. PATH LENGTH OF 1.89 MILES AND PATH WIDTH OF 400 YARDS. NO INJURIES OR FATALITIES REPORTED. |
This table includes only public storm reports connected to the August 28, 2021 Sioux Falls, SD 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 Falls, SD Region
We found 6 more hail maps with reports from the same Sioux Falls, SD region as the August 28, 2021 event. These related maps cover storm dates from Aug 20, 2021 through Aug 26, 2021, with mapped hail estimates ranging from 0.75" to 4.00". In this set, the strongest related map reached 4.00", and the most recent map shown is from Aug 26, 2021.
If none of these related Sioux Falls, SD 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 Falls, SD region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Sioux Falls, SD
Not sure whether the August 28, 2021 Sioux Falls, SD 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 Falls, SD 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 August 28, 2021 Sioux Falls, SD event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Sioux Falls, SD 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 August 28, 2021 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 28, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Sioux Falls, SD 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 August 28, 2021 Sioux Falls, SD hail event.