Hail Swath Map Preview
The Mason City, IA hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 2.00". There are 1 public hail reports, 4 public wind reports, and 21 nearby tornado reports listed for the July 14, 2021 event.
View the July 14, 2021 Mason 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 Mason City, IA Hail Map
The July 14, 2021 hail swath map for Mason City, IA covers approximately 2,414 square miles and includes an estimated 64,547 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 1,079 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 24,379 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 1,009 sq mi | 22,336 |
| 0.50-0.75" | 1,079 sq mi | 24,379 |
| 0.75-1.00" | 201 sq mi | 9,044 |
| 1.00-1.25" | 76 sq mi | 7,357 |
| 1.25-1.50" | 22 sq mi | 989 |
| 1.50-1.75" | 19 sq mi | 316 |
| 1.75-2.00" | 6 sq mi | 96 |
| 2.00-2.25" | 2 sq mi | 30 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the July 14, 2021 Mason City, IA hail event may have reached your area.
Housing Exposure Inside the Mason City, IA Hail Swath Map
Inside the July 14, 2021 hail swath map area for Mason City, IA, HailGeeks estimates 31,918 single-family homes, 726 townhomes, and 4,909 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 12,824 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 11,836 | 206 | 1,247 |
| 0.50-0.75" | 12,824 | 269 | 2,020 |
| 0.75-1.00" | 4,060 | 142 | 693 |
| 1.00-1.25" | 2,586 | 88 | 807 |
| 1.25-1.50" | 396 | 20 | 131 |
| 1.50-1.75" | 154 | 1 | 8 |
| 1.75-2.00" | 47 | 0 | 2 |
| 2.00-2.25" | 15 | 0 | 1 |
Use this table to review housing exposure by hail band for the July 14, 2021 Mason City, IA hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Mason City, IA Hail Map
Hail from the July 14, 2021 storm was mapped across 25 counties in the Mason City, IA region. Butler County, IA had the strongest mapped signal, peaking at 2.00" with roughly 3,464 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 Mason City, IA Hail Map
Zooming in, the swath touched 35 cities near Mason City, IA. Allison, IA had the strongest mapped signal at 1.50", with an estimated 44 single-family homes exposed.
City cards show where the July 14, 2021 Mason 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 Mason City, IA Hail Swath Map
At the ZIP level, the July 14, 2021 Mason City, IA hail map spans 82 ZIP codes. ZIP 50602 shows the strongest local signal, with mapped hail estimates up to 2.00" and an estimated single-family-home exposure of 629.
Check your ZIP in seconds to see whether hail activity from the July 14, 2021 Mason City, IA event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the July 14, 2021 hail map for Mason City, IA currently list 1 public hail reports, 4 public wind reports, and 21 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
July 14, 2021 5:14 PM CT |
1.25 in | Clarksville | IA | No National Weather Service description provided. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
July 14, 2021 6:17 PM CT | Waterloo | IA | NUMEROUS TREES DOWN. TIME ESTIMATED FROM RADAR. | |
July 14, 2021 6:22 PM CT | Waterloo | IA | TREES DOWN. TIME ESTIMATED. | |
July 14, 2021 6:08 PM CT | 75 mph | Charles City | IA | REPORTED AT TRUCK STOP IN TOWN |
July 14, 2021 6:08 PM CT | 75 mph | Floyd | IA | REPORTED AT TRUCK STOP IN TOWN. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
July 14, 2021 4:23 PM CT | UNK | 2 SW Waverly | IA | No National Weather Service description provided. |
July 14, 2021 4:50 PM CT | UNK | 2 SE Williams | IA | TORNADO NEAR THE INTERCHANGE OF US HWY 20 AND CO RD R77. |
July 14, 2021 5:16 PM CT | UNK | 2 SSW Shell Rock | IA | DAMAGE BEGINS AROUND 250TH AND WILLOW AVENUE. HOUSES DAMAGED. GRAIN BINS DAMAGED. POWER LINES DOWN. DAMAGE PARALLELED 250TH EAST. |
July 14, 2021 5:18 PM CT | UNK | 1 NE Shell Rock | IA | KGAN METEOROLOGIST REPORTS TORNADO NEAR SHELL ROCK. |
July 14, 2021 5:19 PM CT | UNK | 1 E Shell Rock | IA | NO DAMAGE SEEN YET. |
July 14, 2021 5:19 PM CT | UNK | 2 S Shell Rock | IA | DAMAGE TO TREES AND A HOME NEAR 250TH AND WOODS AVE. REPORT COURTESY IOWAS NEWS NOW. TIME ESTIMATED BY RADAR. |
July 14, 2021 5:21 PM CT | UNK | 2 ENE Shell Rock | IA | REPORT VIA SOCIAL MEDIA. PHOTOS AND VIDEOS REPORTED. |
July 14, 2021 5:25 PM CT | UNK | 2 SW Waverly | IA | TORNADO REPORTED NEAR THE INTERSECTION OF 240TH ST AND HWY 218. TORNADO HEADING EAST. |
July 14, 2021 5:28 PM CT | UNK | 1 S Shell Rock | IA | SIGNIFICANT TREE DAMAGE AND LIGHT STRUCTURE DAMAGE. |
July 14, 2021 5:35 PM CT | UNK | 2 S Waverly | IA | TORNADO ON THE GROUND. DEBRIS BEING LOFTED INTO THE AIR. |
July 14, 2021 5:35 PM CT | UNK | 3 ESE Waverly | IA | HOUSE COMPLETELY DESTROYED. |
July 14, 2021 5:35 PM CT | UNK | 3 N Rockford | IA | EF0 DAMAGE ALONG MOST OF THE PATH EXCEPT FOR ONE FARMSTEAD (HOG FARM) WITH LOW END EF1 DAMAGE NEAR END OF TORNADO PATH. APPROX MAX WIDTH 60 YARDS... MAX SPEED 90 MPH. PATH LENGTH WAS 11 MILES. |
July 14, 2021 5:37 PM CT | UNK | 2 S Waverly | IA | REPORT VIA SOCIAL MEDIA. |
July 14, 2021 5:39 PM CT | UNK | 4 WNW Denver | IA | TORNADO ON THE GROUND. DEBRIS BEING LOFTED INTO THE AIR. |
July 14, 2021 5:40 PM CT | UNK | 2 S Nora Springs | IA | No National Weather Service description provided. |
July 14, 2021 5:51 PM CT | UNK | 1 ESE Rudd | IA | No National Weather Service description provided. |
July 14, 2021 5:56 PM CT | UNK | 4 SW Floyd | IA | No National Weather Service description provided. |
July 14, 2021 6:05 PM CT | UNK | 1 NE Rockwell | IA | No National Weather Service description provided. |
July 14, 2021 6:06 PM CT | UNK | 5 NE Rockwell | IA | PUBLIC REPORT OF TORNADO ON GROUND. |
July 14, 2021 6:19 PM CT | UNK | 1 NW Waterloo | IA | DELAYED REPORT - BRIEF TORNADO TOUCHDOWN NEAR JOHN DEERE COMPLEX WITH SOME DAMAGE EITHER SIDE OF US 218. |
July 14, 2021 6:19 PM CT | UNK | 1 NW Waterloo | IA | BRIEF TORNADO REPORTED NEAR THE JOHN DEERE FACILITY WITH DAMAGE REPORTED NEAR US 218. |
This table includes only public storm reports connected to the July 14, 2021 Mason 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 Mason City, IA Region
We found 6 more hail maps with reports from the same Mason City, IA region as the July 14, 2021 event. These related maps cover storm dates from Jun 20, 2021 through Jul 6, 2021, with mapped hail estimates ranging from 0.75" to 1.50". In this set, the strongest related map reached 1.50", and the most recent map shown is from Jul 6, 2021.
If none of these related Mason 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 Mason City, IA region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Mason City, IA
Not sure whether the July 14, 2021 Mason 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 Mason 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 July 14, 2021 Mason City, IA event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Mason 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 July 14, 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 July 14, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Mason 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 July 14, 2021 Mason City, IA hail event.