Hail Swath Map Preview
The Kankakee, IL hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.75". There are 2 public hail reports, 28 public wind reports, and 1 nearby tornado reports listed for the September 7, 2021 event.
View the September 7, 2021 Kankakee, 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 Kankakee, IL Hail Map
The September 7, 2021 hail swath map for Kankakee, IL covers approximately 3,235 square miles and includes an estimated 275,015 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 1,322 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 117,726 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 948 sq mi | 96,720 |
| 0.50-0.75" | 1,322 sq mi | 117,726 |
| 0.75-1.00" | 677 sq mi | 43,418 |
| 1.00-1.25" | 200 sq mi | 12,446 |
| 1.25-1.50" | 52 sq mi | 3,174 |
| 1.50-1.75" | 25 sq mi | 1,302 |
| 1.75-2.00" | 10 sq mi | 229 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the September 7, 2021 Kankakee, IL hail event may have reached your area.
Housing Exposure Inside the Kankakee, IL Hail Swath Map
Inside the September 7, 2021 hail swath map area for Kankakee, IL, HailGeeks estimates 106,518 single-family homes, 10,510 townhomes, and 28,075 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 46,836 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 34,689 | 3,837 | 17,336 |
| 0.50-0.75" | 46,836 | 4,678 | 8,017 |
| 0.75-1.00" | 18,291 | 1,436 | 2,469 |
| 1.00-1.25" | 4,699 | 488 | 141 |
| 1.25-1.50" | 1,306 | 55 | 93 |
| 1.50-1.75" | 577 | 12 | 17 |
| 1.75-2.00" | 120 | 4 | 2 |
Use this table to review housing exposure by hail band for the September 7, 2021 Kankakee, IL hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Kankakee, IL Hail Map
Hail from the September 7, 2021 storm was mapped across 15 counties in the Kankakee, IL region. Grundy County, IL had the strongest mapped signal, peaking at 1.75" with roughly 11,322 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 Kankakee, IL Hail Map
Zooming in, the swath touched 85 cities near Kankakee, IL. Gardner, IL had the strongest mapped signal at 1.50", with an estimated 592 single-family homes exposed.
City cards show where the September 7, 2021 Kankakee, 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 Kankakee, IL Hail Swath Map
At the ZIP level, the September 7, 2021 Kankakee, IL hail map spans 98 ZIP codes. ZIP 61726 shows the strongest local signal, with mapped hail estimates up to 1.75" and an estimated single-family-home exposure of 1,155.
Check your ZIP in seconds to see whether hail activity from the September 7, 2021 Kankakee, IL event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the September 7, 2021 hail map for Kankakee, IL currently list 2 public hail reports, 28 public wind reports, and 1 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
September 7, 2021 5:15 PM CT |
1.75 in | Colfax | IL | No National Weather Service description provided. |
September 7, 2021 6:01 PM CT |
1.00 in | 3 SW Essex | IL | TIME ESTIMATED FROM RADAR. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
September 7, 2021 2:52 PM CT | 4 SSW Leland | IL | REPORT VIA NWS CHAT FROM SPOTTER OF 3 INCH DIAMETER TREE BRANCH DOWN NEAR LELAND... IL. | |
September 7, 2021 2:54 PM CT | 6 NE Seneca | IL | NUMEROUS TREES DOWNED AND ONE SNAPPED IN HALF ALONG US ROUTE 6 BETWEEN MORRIS AND SENECA. POWER POLE ALSO DAMAGED. TIME ESTIMATED FROM RADAR. | |
September 7, 2021 2:55 PM CT | Morris | IL | REPORT OF 16 INCH DIAMETER TREE SNAPPED. TIME ESTIMATED BY RADAR. LOCATION IS APPROXIMATE. | |
September 7, 2021 2:59 PM CT | 3 WSW Plattville | IL | REPORT OF TREE BRANCHES AND LIMBS DOWNED BY WINDS ESTIMATED TO BE 60 TO 65 MPH. | |
September 7, 2021 3:02 PM CT | Minooka | IL | PICTURES OF TREE BRANCHES DOWNED ON A HOUSE VIA SOCIAL MEDIA. TIME ESTIMATED BY RADAR. | |
September 7, 2021 3:07 PM CT | 1 WSW Minooka | IL | REPORT VIA SOCIAL MEDIA OF TRACTOR TRAILERS OVERTURNED AT A COLD STORAGE FACILITY. TIME IS ESTIMATED FROM RADAR. | |
September 7, 2021 3:08 PM CT | 1 NE Channahon | IL | SEVERAL LARGE TREE LIMBS SNAPPED IN CHANNAHON. TIME ESTIMATED FROM RADAR. | |
September 7, 2021 3:10 PM CT | Channahon | IL | CHANNAHON VILLAGE OFFICIAL REPORTS WIDESPREAD DAMAGE TO TREES AND POWERLINES. ESTIMATE OF 100 OR MORE TREES DAMAGED ACROSS THE VILLAGE WITH SOME TREES UPROOTED. A DOZEN OR MORE TREES ON HOUSES. SIDING DAMAGE TO AT LEAST 2 HOUSES. WORST DAMAGE APPEARS TO BE NEAR THE DUPAGE RIVER SOUTHWEST OF THE JUNIOR HIGH SCHOOL. TIME ESTIMATED BY RADAR. | |
September 7, 2021 3:10 PM CT | 2 ENE Channahon | IL | CORRECTS TIME OF PREVIOUS REPORT FROM 2 ENE CHANNAHON. REPORT OF A TREE DOWN ON SB I-55 AT US 6 AND OVERTURNED SEMI TRUCK ON I-55 AT ARSENAL. | |
September 7, 2021 3:15 PM CT | Minooka | IL | SPOTTER REPORTS TREE BRANCHES DOWN. WINDS WERE ESTIMATED TO BE 60 MPH. | |
September 7, 2021 3:18 PM CT | 3 E Elwood | IL | DAMAGE TO BUILDINGS AT A FARM ON THE CORNER OF W HOFF RD AND ROWELL AVE. ALSO TREES UPROOTED AND CORN FLATTENED. TIME ESTIMATED FROM RADAR. | |
September 7, 2021 3:24 PM CT | 1 WNW Manhattan | IL | PICTURE OF UTILITY POLLS SNAPPED AT THE BASE RELAYED VIA SOCIAL MEDIA. TIME IS ESTIMATED FROM RADAR. | |
September 7, 2021 3:40 PM CT | 3 E Peotone | IL | 10 TO 12 POWER POLES DOWNED. | |
September 7, 2021 3:42 PM CT | Peotone | IL | 8 INCH DIAMETER TREE LIMBS DOWNED. TIME ESTIMATED FROM RADAR. | |
September 7, 2021 3:45 PM CT | 1 WSW Kankakee | IL | REPORT OF A 6 TO 12 INCH DIAMETER TREE BRANCH DOWN. | |
September 7, 2021 4:10 PM CT | 2 ENE Channahon | IL | REPORT OF A TREE DOWN ON SB I-55 AT US 6 AND OVERTURNED SEMI TRUCK ON I-55 AT ARSENAL. | |
September 7, 2021 4:20 PM CT | Flanagan | IL | LARGE TREE LIMBS DOWNED IN FLANAGAN. RELAYED BY WMBD. TIME ESTIMATED FROM RADAR. | |
September 7, 2021 5:05 PM CT | Colfax | IL | LARGE HEALTHY TREE ABOUT 2 FT DIAMTER DOWN NEAR FIFER ST AND HYATT ST. TIME ESTIMATED BY RADAR. | |
September 7, 2021 5:05 PM CT | Colfax | IL | SEVERAL LARGE TREE LIMBS DOWN ON POWER LINES. DELAYED REPORT. TIME ESTIMATED BY RADAR. | |
September 7, 2021 5:35 PM CT | Gibson City | IL | WIDESPREAD TREE AND POWER LINE DAMAGE... HOSPITAL ROOF DAMAGED... AND BASEBALL DUGOUT DESTROYED IN GIBSON CITY. | |
September 7, 2021 5:58 PM CT | Gardner | IL | REPORTS OF TREES DOWN ON POWER LINES AND POWER LINES DOWN ON ROADWAYS. | |
September 7, 2021 2:55 PM CT | 72 mph | 3 E Lisbon | IL | No National Weather Service description provided. |
September 7, 2021 2:55 PM CT | 61 mph | 5 SE Lisbon | IL | WIND GUST OF 61 MPH (53 KTS) REPORTED BY C09 ASOS. |
September 7, 2021 3:02 PM CT | 85 mph | Minooka | IL | AN NWS STORM DAMAGE SURVEY TEAM FOUND WIDESPREAD TREE DAMAGE... INCLUDING NUMEROUS DOWNED... ACROSS MUCH OF AND NEAR MINOOKA. SOME OF THESE TREES WERE DOWNED ON STRUCTURES. THE DAMAGE WAS CONSISTENT WITH THE HIGHEST WIND GUSTS TO AROUND 85 MPH. |
September 7, 2021 3:10 PM CT | 85 mph | Channahon | IL | AN NWS STORM DAMAGE SURVEY TEAM FOUND WIDESPREAD TREE DAMAGE... INCLUDING NUMEROUS DOWNED... ACROSS MUCH OF AND NEAR CHANNAHON. SOME OF THESE TREES WERE DOWNED ON STRUCTURES. THE DAMAGE WAS CONSISTENT WITH THE HIGHEST WIND GUSTS TO AROUND 85 MPH. |
September 7, 2021 3:21 PM CT | 60 mph | Elwood | IL | REPORT OF ESTIMATED WIND GUSTS OF 50 TO 60 MPH WITH SOME TREE LIMBS DOWN. TREE LIMBS ARE ESTIMATED TO BE 2 INCHES IN DIAMETER. |
September 7, 2021 3:42 PM CT | 60 mph | 5 NW Grant Park | IL | TIME ESTIMATED FROM RADAR. |
September 7, 2021 4:48 PM CT | 68 mph | 3 SW Baileys Corner | IN | SPOTTER MEASURED WIND GUST OF 68.2 MPH AT INTERSECTION OF SR 49 AND COUNTY ROAD 255N. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
September 7, 2021 3:01 PM CT | UNK | 2 NNW Minooka | IL | TWO SPOTTERS REPORTED THAT A BRIEF TORNADO TOUCHED DOWN NORTH OF MINOOKA. TIME ESTIMATED FROM RADAR. |
This table includes only public storm reports connected to the September 7, 2021 Kankakee, 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 Kankakee, IL Region
We found 6 more hail maps with reports from the same Kankakee, IL region as the September 7, 2021 event. These related maps cover storm dates from Aug 11, 2021 through Sep 5, 2021, with mapped hail estimates ranging from 0.75" to 2.00". In this set, the strongest related map reached 2.00", and the most recent map shown is from Sep 5, 2021.
If none of these related Kankakee, 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 Kankakee, IL region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Kankakee, IL
Not sure whether the September 7, 2021 Kankakee, 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 Kankakee, 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 September 7, 2021 Kankakee, IL event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Kankakee, 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 September 7, 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 September 7, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Kankakee, 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 September 7, 2021 Kankakee, IL hail event.