Hail Swath Map Preview
The Chicago, IL hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.50". There are 0 public hail reports, 28 public wind reports, and 1 nearby tornado reports listed for the June 20, 2021 event.
View the June 20, 2021 Chicago, IL 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 Chicago, IL Hail Map
The June 20, 2021 hail swath map for Chicago, IL covers approximately 326 square miles and includes an estimated 373,418 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 188 square miles. The highest estimated population exposure is in the < 0.50" hail band with 320,859 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 188 sq mi | 320,859 |
| 0.50-0.75" | 90 sq mi | 51,336 |
| 0.75-1.00" | 29 sq mi | 769 |
| 1.00-1.25" | 9 sq mi | 205 |
| 1.25-1.50" | 9 sq mi | 217 |
| 1.50-1.75" | 2 sq mi | 32 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the June 20, 2021 Chicago, IL hail event may have reached your area.
Housing Exposure Inside the Chicago, IL Hail Swath Map
Inside the June 20, 2021 hail swath map area for Chicago, IL, HailGeeks estimates 105,784 single-family homes, 12,845 townhomes, and 102,701 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 91,048 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 91,048 | 9,179 | 90,529 |
| 0.50-0.75" | 14,145 | 3,654 | 12,157 |
| 0.75-1.00" | 360 | 6 | 11 |
| 1.00-1.25" | 104 | 3 | 2 |
| 1.25-1.50" | 109 | 2 | 2 |
| 1.50-1.75" | 18 | 1 | 0 |
Use this table to review housing exposure by hail band for the June 20, 2021 Chicago, IL hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Chicago, IL Hail Map
Hail from the June 20, 2021 storm was mapped across 10 counties in the Chicago, IL region. LaPorte County, IN had the strongest mapped signal, peaking at 1.50" with roughly 4,686 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 Chicago, IL Hail Map
Zooming in, the swath touched 14 cities near Chicago, IL. Chicago, IL had the strongest mapped signal at 0.50", with an estimated 23,644 single-family homes exposed.
City cards show where the June 20, 2021 Chicago, IL 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 Chicago, IL Hail Swath Map
At the ZIP level, the June 20, 2021 Chicago, IL hail map spans 20 ZIP codes. ZIP 46348 shows the strongest local signal, with mapped hail estimates up to 1.50" and an estimated single-family-home exposure of 399.
Check your ZIP in seconds to see whether hail activity from the June 20, 2021 Chicago, IL event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the June 20, 2021 hail map for Chicago, IL currently list 0 public hail reports, 28 public wind reports, and 1 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
| No public hail reports are available for this event. | ||||
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
June 20, 2021 5:14 PM CT | Brems | IN | TREES DOWNS ACROSS MUCH OF WESTERN STARKE COUNTY. | |
June 20, 2021 5:20 PM CT | Hamlet | IN | MULTIPLE TREES DOWN ACROSS THE NORTHERN PORTION OF THE COUNTY. | |
June 20, 2021 10:22 PM CT | 1 NW Hinckley | IL | SPOTTER REPORTS TREE DAMAGE ALONG SOMONAUK ROAD NEAR HINCKLEY WITH SOME BRANCHES ON THE ROADWAY. TIME ESTIMATED BY RADAR. | |
June 20, 2021 10:46 PM CT | 3 E Kaneville | IL | SEVERAL TREES DOWNED BETWEEN KANEVILLE AND NORTH AURORA. TIME ESTIMATED BY RADAR. | |
June 20, 2021 10:50 PM CT | 3 NW Montgomery | IL | TREE DAMAGE NEAR CANTERBURY ROAD AND GALENA BOULEVARD. RELAYED BY AURORA PD. TIME ESTIMATED BY RADAR. | |
June 20, 2021 10:55 PM CT | 1 ESE Addison | IL | TREE DAMAGE NEAR LAKE STREET AND VILLA AVENUE IN ADDISON. POSSIBLE TORNADO. RELAYED VIA SPOTTERNETWORK. TIME ESTIMATED BY RADAR. | |
June 20, 2021 11:00 PM CT | Albany Park - Chicago | IL | PUBLIC REPORTS POSSIBLE TREE DAMAGE IN ALBANAY PARK NEIGHBORHOOD OF CHICAGO. TIME ESTIMATED BY RADAR. | |
June 20, 2021 11:00 PM CT | 1 SSE Somonauk | IL | TRAINED SPOTTERS REPORT TREE FIRE CAUSED BY DOWNED POWER LINES IN LAKE HOLIDAY AREA. TIME ESTIMATED BY RADAR. | |
June 20, 2021 11:04 PM CT | Naperville | IL | *** 4 INJ *** UPDATES PREVIOUS REPORT... 4 TOTAL INJURIES REQUIRING TRANSPORT TO HOSPITALS. ALL WERE NON-LIFE THREATENING. TWELVE HOUSES DAMAGED. MULTIPLE LARGE TREES DOWN. PROBABLE TORNADO DAMAGE. | |
June 20, 2021 11:05 PM CT | 4 NNW Plainfield | IL | PUBLIC REPORTS TREE DAMAGE NORTHWEST OF PLAINFIELD. TIME ESTIMATED BY RADAR. | |
June 20, 2021 11:09 PM CT | Plainfield | IL | REPORT ON SOCIAL MEDIA OF MULTIPLE STREETS BLOCKED DUE TO TREE DAMAGE IN PLAINFIELD NEAR CENTER AND AMBOY. | |
June 20, 2021 11:10 PM CT | 1 E Bolingbrook | IL | PUBLIC REPORT OF TREE DAMAGE IN BOLINGBROOK. | |
June 20, 2021 11:10 PM CT | 1 NNE Oak Park | IL | PUBLIC REPORT OF POSSIBLE TREE DAMAGE NEAR OAK PARK. TIME ESTIMATED BY RADAR. | |
June 20, 2021 11:12 PM CT | Woodridge | IL | MULTIPLE SPOTTER REPORTS OF DAMAGE TO TREES... STRUCTURES... AND POWER LINES NEAR 75TH AND JANES IN WOODRIDGE. DEBRIS ON I-355. PROBABLE TORNADO. TIME ESTIMATED BY RADAR. | |
June 20, 2021 11:15 PM CT | Downers Grove | IL | SEVERAL TREES DOWNED IN DOWNERS GROVE. TIME ESTIMATED BY RADAR. | |
June 20, 2021 11:16 PM CT | 1 WSW Darien | IL | PHOTO SHARED VIA SOCIAL MEDIA OF TORNADO DAMAGE TO A RESIDENCE IN DARIEN. PROBABLE TORNADO. TIME ESTIMATED BY RADAR. | |
June 20, 2021 11:18 PM CT | Westmont | IL | SEVERAL TREES DOWNED IN WESTMONT. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:05 AM CT | 1 N Hobart | IN | PUBLIC REPORT OF TREE DAMAGE IN HOBART. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:07 AM CT | 2 SSE Lake Station | IN | TREE DAMAGE IN CAMELOT ESTATES IN PORTAGE. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:07 AM CT | 2 NE Lake Station | IN | SEVERAL TREES UPROOTED. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:08 AM CT | 1 SW Portage | IN | NUMEROUS POWER LINES DOWNED IN PORTAGE. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:10 AM CT | South Haven | IN | DOWNED TREE CAUSED STRUCTURE DAMAGE ON EAGLE CREEK ROAD IN SOUTH HAVEN. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:14 AM CT | 2 ESE Woodridge | IL | LEMONT ROAD BLOCKED BY DEBRIS BETWEEN 83RD AND 75TH IN DARIEN. PROBABLE TORNADO. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:18 AM CT | Valparaiso | IN | PUBLIC REPORT OF TREE DAMAGE IN VALPARAISO. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:20 AM CT | 1 S Burr Ridge | IL | COUNTY LINE ROAD BLOCKED BY DOWNED POWER LINES BETWEEN 83RD AND 87TH IN BURR RIDGE. PROBABLE TORNADO. TIME ESTIMATED BY RADAR. | |
June 21, 2021 12:35 AM CT | La Porte | IN | SEVERAL REPORTS OF TREES DOWNED ACROSS THE COUNTY. | |
June 20, 2021 10:46 PM CT | 60 mph | 2 W Sugar Grove | IL | AURORA AIRPORT OBSERVED 60 MPH GUST. |
June 20, 2021 10:51 PM CT | 60 mph | 1 N Roselle | IL | RELAYED VIA SPOTTERNETWORK. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
June 20, 2021 11:08 PM CT | UNK | Plainfield | IL | NWS STORM SURVEY CONFIRMED AN EF-0 TORNADO THAT STARTED NEAR THE INTERSECTION OF IL ROUTES 59 AND 126 JUST NORTH OF DOWNTOWN PLAINFIELD. THE DAMAGE CONTINUED ON A 3.2 MILE PATH EAST-SOUTHEAST WITH PRIMARILY MINOR TO MODERATE TREE DAMAGE INTO SOUTHWEST ROMEOVILLE... ENDING NEAR MISTWOOD GOLF CLUB. |
This table includes only public storm reports connected to the June 20, 2021 Chicago, IL storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Chicago, IL Region
We found 3 more hail maps with reports from the same Chicago, IL region as the June 20, 2021 event. These related maps cover storm dates from Jun 11, 2021 through Jun 19, 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 Jun 19, 2021.
If none of these related Chicago, IL 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 Chicago, IL region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Chicago, IL
Not sure whether the June 20, 2021 Chicago, IL 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 Chicago, IL 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 June 20, 2021 Chicago, IL event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Chicago, IL 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 June 20, 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 June 20, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Chicago, IL 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 June 20, 2021 Chicago, IL hail event.