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HailGeeks
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Hail Map with Reports for Sioux Falls, SD

View the free hail map with reports for Sioux Falls, SD from April 5, 2021. This event is marked as Complete, with a Moderate storm impact level and a Moderate Event Inspection Score.

Free Interactive Hail Map Hail Report by ZIP
Moderate
Event Inspection Score
Moderate
Storm Impact
Complete
Event Status
Apr 5, 2021
Event Date
Map Preview

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 1.75". There are 13 public hail reports, 0 public wind reports, and 0 nearby tornado reports listed for the April 5, 2021 event.

Region: Sioux Falls, SD
April 5, 2021 Hail swath map preview for Sioux Falls, SD on April 5, 2021
Open Interactive Map
Max Hail
1.75"
Mapped estimated hail size
Public Hail Reports
13
Largest report: 1.75"
Public Wind Reports
0
Reports near map area
Tornado Reports
0
Reports near map area

View the April 5, 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.

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Map Footprint

Impact Area and Population for the Sioux Falls, SD Hail Map

The April 5, 2021 hail swath map for Sioux Falls, SD covers approximately 1,517 square miles and includes an estimated 95,591 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 632 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 33,687 people.

Mapped Impact Area
1,517 sq mi
Largest band: 0.50-0.75"
Population Inside Footprint
95,591
Highest population band: 0.50-0.75"
Mapped Hail BandImpact AreaPopulation
< 0.50"409 sq mi17,665
0.50-0.75"632 sq mi33,687
0.75-1.00"281 sq mi28,953
1.00-1.25"120 sq mi11,144
1.25-1.50"55 sq mi3,564
1.50-1.75"18 sq mi565
1.75-2.00"2 sq mi13

Get a free Hail Report by ZIP to see a more local hail signal and whether the April 5, 2021 Sioux Falls, SD hail event may have reached your area.

Housing Impact

Housing Exposure Inside the Sioux Falls, SD Hail Swath Map

Inside the April 5, 2021 hail swath map area for Sioux Falls, SD, HailGeeks estimates 32,354 single-family homes, 3,825 townhomes, and 14,874 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 11,089 single-family homes.

Single-Family Homes
32,354
Largest band: 0.50-0.75"
Townhomes
3,825
Largest band: 0.50-0.75"
Multifamily Properties
14,874
Largest band: 0.50-0.75"
Mapped Hail BandSingle-FamilyTownhomesMultifamily
< 0.50"6,6287302,645
0.50-0.75"11,0891,4436,808
0.75-1.00"9,0441,3784,055
1.00-1.25"4,0182181,103
1.25-1.50"1,40246225
1.50-1.75"1681038
1.75-2.00"500

Use this table to review housing exposure by hail band for the April 5, 2021 Sioux Falls, SD hail map. To check a specific property more closely, use a free Hail Report by Address.

Affected Cities

Cities Inside the Sioux Falls, SD Hail Map

Zooming in, the swath touched 21 cities near Sioux Falls, SD. Harrisburg, SD had the strongest mapped signal at 1.50", with an estimated 2,057 single-family homes exposed.

Showing 12 of 21 cities

City cards show where the April 5, 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

ZIP Codes Inside the Sioux Falls, SD Hail Swath Map

At the ZIP level, the April 5, 2021 Sioux Falls, SD hail map spans 49 ZIP codes. ZIP 51246 shows the strongest local signal, with mapped hail estimates up to 1.75" and an estimated single-family-home exposure of 1,569.

51246Rock Rapids, IA
2K homes in the hail path
51230Alvord, IA
45 homes in the hail path
57032Harrisburg, SD
3K homes in the hail path
51241Larchwood, IA
798 homes in the hail path
57029Freeman, SD
658 homes in the hail path
51242Lester, IA
24 homes in the hail path
57108Sioux Falls, SD
5K homes in the hail path
57064Tea, SD
2K homes in the hail path
57039Lennox, SD
239 homes in the hail path
57013Canton, SD
173 homes in the hail path
57077Worthing, SD
85 homes in the hail path
57104Sioux Falls, SD
5K homes in the hail path
Showing 12 of 49 ZIP codes

Check your ZIP in seconds to see whether hail activity from the April 5, 2021 Sioux Falls, SD event was mapped near your area.

Public Storm Reports

Public Hail, Wind, and Tornado Reports

Public storm report tables connected to the April 5, 2021 hail map for Sioux Falls, SD currently list 13 public hail reports, 0 public wind reports, and 0 tornado reports.

Date & TimeHail SizeCityStateDescription
April 5, 2021
7:45 PM CT
1.00 in 7 E Flandreau SD

No National Weather Service description provided.

April 5, 2021
7:50 PM CT
1.00 in 4 E Freeman SD

No National Weather Service description provided.

April 5, 2021
8:43 PM CT
1.25 in 3 N Sioux Falls SD

CORRECTS PREVIOUS HAIL REPORT FROM 3 N SIOUX FALLS. HAIL STILL FALLING.

April 5, 2021
8:44 PM CT
1.00 in 3 N Sioux Falls SD

HAIL STILL FALLING.

April 5, 2021
9:13 PM CT
1.00 in 1 NE Tea SD

REPORTED VIA MPING.

April 5, 2021
9:20 PM CT
1.00 in 4 ENE Tea SD

REPORT RECEIVED VIA MPING.

April 5, 2021
9:20 PM CT
1.00 in 4 ENE Tea SD

REPORT RECEIVED VIA SOCIAL MEDIA.

April 5, 2021
9:21 PM CT
1.00 in 1 NNE Harrisburg SD

No National Weather Service description provided.

April 5, 2021
9:25 PM CT
1.25 in 3 E Harrisburg SD

No National Weather Service description provided.

April 5, 2021
9:27 PM CT
1.75 in 4 ENE Harrisburg SD

LAKE ALVIN AREA. REPORTED VIA SOCIAL MEDIA.

April 5, 2021
9:40 PM CT
1.00 in 1 E Larchwood IA

REPORT RECEIVED VIA SOCIAL MEDIA.

April 5, 2021
9:44 PM CT
1.00 in Larchwood IA

REPORT VIA MPING.

April 5, 2021
10:02 PM CT
1.25 in 1 SSW Rock Rapids IA

No National Weather Service description provided.

Showing 13 public hail reports

This table includes only public storm reports connected to the April 5, 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

Related Hail Maps in the Sioux Falls, SD Region

We found 0 more hail maps with reports from the same Sioux Falls, SD region as the April 5, 2021 event.

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.

Remote Hail Inspection

Local Hail Review Options Near Sioux Falls, SD

Not sure whether the April 5, 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.

Get a Free Hail Report by Address

Check a specific property to see whether hail activity from the April 5, 2021 Sioux Falls, SD event — or another recent hail event — may have been mapped at that address.

A Participating Local Pro

Find a roof or exterior pro serving the Sioux Falls, SD region who can help you understand what the property hail signal may mean.

Remote Hail Inspection

A participating local pro reviews property-level hail history remotely — not just the April 5, 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 April 5, 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.

FAQ

Frequently Asked Questions

Common questions about the April 5, 2021 Sioux Falls, SD hail event.

How big was the hail in Sioux Falls, SD on April 5, 2021?
Mapped hail estimates reached up to 1.75" in the Sioux Falls, SD area on April 5, 2021.
How accurate is this Sioux Falls, SD hail map?
This hail map is based on mapped hail estimates, with public storm report context shown where available. It helps show where stronger hail may have occurred during the April 5, 2021 storm event, but it does not confirm property damage at any one address.
What does the Event Inspection Score of Moderate mean?
For this Sioux Falls, SD event, the Event Inspection Score is Moderate. The score reflects how strong the hail-history signal is and whether a closer roof or exterior review may make sense. A higher score means a stronger signal, not confirmed damage.
How many people were in the Sioux Falls, SD hail area?
An estimated 95,591 people live inside the mapped hail footprint, which covers about 1,517 square miles. This is an estimate of residents inside the storm area, not a count of people who reported damage.
How many storm reports came from this event?
For the April 5, 2021 Sioux Falls, SD event, public storm report tables currently list 13 hail reports, 0 wind reports, and 0 tornado reports. Public reports are point observations and are not available for every location.
Can I use this Sioux Falls, SD hail map for my business or content?
Yes. This hail map is free to use and share for marketing, print, blogs, content, research, and similar uses as long as attribution is included with a link back to this page. Use the Share button on the map to copy a ready-made credit line. Use is also subject to our Terms of Use.
How often is this hail map updated?
This event map was generated shortly after the storm and was last reviewed on August 27, 2026. It may be updated as additional hail data or public storm reports become available.
My home is in the Sioux Falls, SD area — what should I do?
If your address falls inside a mapped hail band from the April 5, 2021 storm event, check a free Hail Report by Address for an address-level first look. You can also ask a qualified local pro whether a closer roof or exterior review may make sense.
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