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HailGeeks
Free Interactive Hail Map

Hail Map with Reports for Allentown, PA

View the free hail map with reports for Allentown, PA from May 26, 2021. This event is marked as Complete, with a Light storm impact level and a Low Event Inspection Score.

Free Interactive Hail Map Hail Report by ZIP
Low
Event Inspection Score
Light
Storm Impact
Complete
Event Status
May 26, 2021
Event Date
Map Preview

Hail Swath Map Preview

The Allentown, PA hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 0.75". There are 2 public hail reports, 105 public wind reports, and 0 nearby tornado reports listed for the May 26, 2021 event.

Region: Allentown, PA
May 26, 2021 Hail swath map preview for Allentown, PA on May 26, 2021
Open Interactive Map
Max Hail
0.75"
Mapped estimated hail size
Public Hail Reports
2
Largest report: 1.00"
Public Wind Reports
105
Reports near map area
Tornado Reports
0
Reports near map area

View the May 26, 2021 Allentown, PA 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.

View Free Interactive Hail Map
Map Footprint

Impact Area and Population for the Allentown, PA Hail Map

The May 26, 2021 hail swath map for Allentown, PA covers approximately 703 square miles and includes an estimated 599,329 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 375 square miles. The highest estimated population exposure is in the < 0.50" hail band with 320,886 people.

Mapped Impact Area
703 sq mi
Largest band: < 0.50"
Population Inside Footprint
599,329
Highest population band: < 0.50"
Mapped Hail BandImpact AreaPopulation
< 0.50"375 sq mi320,886
0.50-0.75"301 sq mi268,081
0.75-1.00"27 sq mi10,362

Get a free Hail Report by ZIP to see a more local hail signal and whether the May 26, 2021 Allentown, PA hail event may have reached your area.

Housing Impact

Housing Exposure Inside the Allentown, PA Hail Swath Map

Inside the May 26, 2021 hail swath map area for Allentown, PA, HailGeeks estimates 116,832 single-family homes, 117,995 townhomes, and 143,671 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 67,825 single-family homes.

Single-Family Homes
116,832
Largest band: < 0.50"
Townhomes
117,995
Largest band: 0.50-0.75"
Multifamily Properties
143,671
Largest band: < 0.50"
Mapped Hail BandSingle-FamilyTownhomesMultifamily
< 0.50"67,82546,61087,382
0.50-0.75"45,26270,52955,350
0.75-1.00"3,745856939

Use this table to review housing exposure by hail band for the May 26, 2021 Allentown, PA hail map. To check a specific property more closely, use a free Hail Report by Address.

Affected Cities

Cities Inside the Allentown, PA Hail Map

Zooming in, the swath touched 63 cities near Allentown, PA. Philadelphia, PA had the strongest mapped signal at 0.50", with an estimated 6,456 single-family homes exposed.

PhiladelphiaPA
6K homes in the hail path
Moorestown-LenolaNJ
4K homes in the hail path
CamdenNJ
2K homes in the hail path
ClementonNJ
2K homes in the hail path
RivertonNJ
2K homes in the hail path
New HollandPA
1K homes in the hail path
GilbertsvillePA
1K homes in the hail path
CoopersburgPA
1K homes in the hail path
Lake WynonahPA
1K homes in the hail path
BoyertownPA
1K homes in the hail path
BirdsboroPA
1K homes in the hail path
DarbyPA
987 homes in the hail path
Showing 12 of 63 cities

City cards show where the May 26, 2021 Allentown, PA 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 Allentown, PA Hail Swath Map

At the ZIP level, the May 26, 2021 Allentown, PA hail map spans 81 ZIP codes. ZIP 18036 shows the strongest local signal, with mapped hail estimates up to 0.75" and an estimated single-family-home exposure of 3,826.

18036Coopersburg, PA
4K homes in the hail path
19512New Berlinville, PA
3K homes in the hail path
19508Birdsboro, PA
3K homes in the hail path
19525Gilbertsville, PA
2K homes in the hail path
19539Mertztown, PA
2K homes in the hail path
19505Bechtelsville, PA
1K homes in the hail path
19504Hereford, PA
1K homes in the hail path
18011Alburtis, PA
848 homes in the hail path
18951Quakertown, PA
773 homes in the hail path
19562Topton, PA
187 homes in the hail path
19545New Berlinville, PA
95 homes in the hail path
19472PA
35 homes in the hail path
Showing 12 of 81 ZIP codes

Check your ZIP in seconds to see whether hail activity from the May 26, 2021 Allentown, PA event was mapped near your area.

Public Storm Reports

Public Hail, Wind, and Tornado Reports

Public storm report tables connected to the May 26, 2021 hail map for Allentown, PA currently list 2 public hail reports, 105 public wind reports, and 0 tornado reports.

Date & TimeHail SizeCityStateDescription
May 26, 2021
1:45 PM CT
1.00 in Benton PA

No National Weather Service description provided.

May 26, 2021
1:58 PM CT
1.00 in 6 N New Columbus PA

No National Weather Service description provided.

Showing 2 public hail reports

This table includes only public storm reports connected to the May 26, 2021 Allentown, PA 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 Allentown, PA Region

We found 0 more hail maps with reports from the same Allentown, PA region as the May 26, 2021 event.

If none of these related Allentown, PA 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 Allentown, PA region — so you can check whether hail activity may have reached your property.

Remote Hail Inspection

Local Hail Review Options Near Allentown, PA

Not sure whether the May 26, 2021 Allentown, PA 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 Allentown, PA 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 May 26, 2021 Allentown, PA 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 Allentown, PA 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 May 26, 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 May 26, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Allentown, PA 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 May 26, 2021 Allentown, PA hail event.

How big was the hail in Allentown, PA on May 26, 2021?
Mapped hail estimates reached up to 0.75" in the Allentown, PA area on May 26, 2021.
How accurate is this Allentown, PA 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 May 26, 2021 storm event, but it does not confirm property damage at any one address.
What does the Event Inspection Score of Low mean?
For this Allentown, PA event, the Event Inspection Score is Low. 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 Allentown, PA hail area?
An estimated 599,329 people live inside the mapped hail footprint, which covers about 703 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 May 26, 2021 Allentown, PA event, public storm report tables currently list 2 hail reports, 105 wind reports, and 0 tornado reports. Public reports are point observations and are not available for every location.
Can I use this Allentown, PA 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 Allentown, PA area — what should I do?
If your address falls inside a mapped hail band from the May 26, 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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