Hail Swath Map Preview
The Rockford, IL hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 0.75". There are 0 public hail reports, 2 public wind reports, and 16 nearby tornado reports listed for the August 9, 2021 event.
View the August 9, 2021 Rockford, 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 Rockford, IL Hail Map
The August 9, 2021 hail swath map for Rockford, IL covers approximately 158 square miles and includes an estimated 75,785 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 110 square miles. The highest estimated population exposure is in the < 0.50" hail band with 61,262 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 110 sq mi | 61,262 |
| 0.50-0.75" | 46 sq mi | 14,335 |
| 0.75-1.00" | 2 sq mi | 188 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 9, 2021 Rockford, IL hail event may have reached your area.
Housing Exposure Inside the Rockford, IL Hail Swath Map
Inside the August 9, 2021 hail swath map area for Rockford, IL, HailGeeks estimates 30,686 single-family homes, 3,268 townhomes, and 8,433 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 25,463 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 25,463 | 2,727 | 8,012 |
| 0.50-0.75" | 5,135 | 541 | 420 |
| 0.75-1.00" | 88 | 0 | 1 |
Use this table to review housing exposure by hail band for the August 9, 2021 Rockford, IL hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Rockford, IL Hail Map
Hail from the August 9, 2021 storm was mapped across 9 counties in the Rockford, IL region. Kane County, IL had the strongest mapped signal, peaking at 0.75" with roughly 8,285 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 Rockford, IL Hail Map
Zooming in, the swath touched 8 cities near Rockford, IL. Carpentersville, IL had the strongest mapped signal at 0.50", with an estimated 4,893 single-family homes exposed.
City cards show where the August 9, 2021 Rockford, 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 Rockford, IL Hail Swath Map
At the ZIP level, the August 9, 2021 Rockford, IL hail map spans 13 ZIP codes. ZIP 60010 shows the strongest local signal, with mapped hail estimates up to 0.75" and an estimated single-family-home exposure of 3,688.
Check your ZIP in seconds to see whether hail activity from the August 9, 2021 Rockford, IL event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the August 9, 2021 hail map for Rockford, IL currently list 0 public hail reports, 2 public wind reports, and 16 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 |
|---|---|---|---|---|
August 9, 2021 4:40 PM CT | 1 ESE Mccullom Lake | IL | DAMAGE TO PORCHES ALONG EVERGREEN CIRCLE IN MCHENRY. TIME ESTIMATED BY RADAR. | |
August 9, 2021 5:26 PM CT | 2 WSW Burlington | IL | KANE COUNTY SHERIFFS OFFICE REPORTS DAMAGE TO A STRUCTURE ALONG PLANK ROAD NEAR EAGLE ROAD. POSSIBLE TORNADO. TIME ESTIMATED BY RADAR. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
August 9, 2021 2:58 PM CT | UNK | 1 N Clinton | WI | MULTIPLE PUBLIC REPORTS OF A TORNADO WITH INTERMITTENT TOUCH DOWNS JUST NORTH OF I-43 ALONG WI WHY 140. |
August 9, 2021 3:02 PM CT | UNK | 3 SE Avalon | WI | FIRE DEPT REPORTS A TOUCH DOWN NEAR THE INTERSECTION OF SOUTH CARVER ROCK ROAD AND EAST CREEK ROAD. |
August 9, 2021 4:32 PM CT | UNK | 2 SE Esmond | IL | MULTIPLE REPORTS OF A TORNADO SOUTHEAST OF ESMOND. |
August 9, 2021 4:48 PM CT | UNK | 1 N Mchenry | IL | MCHENRY PD REPORTS POSSIBLE TORNADO NEAR BLAKE ROAD AND RICHMOND ROAD IN MCHENRY. |
August 9, 2021 4:52 PM CT | UNK | 3 SW Kingston | IL | MULTIPLE REPORTS OF A TORNADO SOUTH OF KENTLAND AND KINGSTON. |
August 9, 2021 5:26 PM CT | UNK | 2 WSW Burlington | IL | CORRECTS AND UPDATES PREVIOUS TSTM WND DMG REPORT FROM 2 WSW BURLINGTON. KANE COUNTY SHERIFFS OFFICE REPORTS DAMAGE TO A STRUCTURE ALONG PLANK ROAD NEAR EAGLE ROAD. CONFIRMED TORNADO WITH THIS DAMAGE GIVEN TORNADO DEBRIS SIGNATURE ON KLOT FROM ABOUT 5:24 PM UNTIL 5:33 PM. TIME ESTIMATED BY RADAR. |
August 9, 2021 5:28 PM CT | UNK | 2 SW Esmond | IL | UPDATES PREVIOUS TORNADO REPORT FROM 2 SW ESMOND. NUMEROUS REPORTS OF SMALL TORNADO WITH VISIBLE DEBRIS ON THE GROUND. VIDEO SHARED TO SOCIAL MEDIA SHOWS SMALL TORNADO ON THE GROUND MOVING EAST ALONG IL-64 FOR SEVERAL MINUTES. |
August 9, 2021 6:02 PM CT | UNK | 1 NW Paw Paw | IL | MULTIPLE REPORTS OF BRIEF TORNADO TOUCHDOWN. |
August 9, 2021 6:06 PM CT | UNK | 3 W Van Orin | IL | BRIEF TOUCHDOWN THEN CAME RIGHT BACK UP. |
August 9, 2021 6:13 PM CT | UNK | 2 SSE Sycamore | IL | TV CREW REPORTS DAMAGE TO TREES AND POWER LINES NEAR BETHANY ROAD AND FENSTERMAKER ROAD NEAR SYCAMORE. TIME ESTIMATED BY RADAR. |
August 9, 2021 6:13 PM CT | UNK | 1 SSE Van Orin | IL | BRIEF TOUCHDOWN IN A FIELD WITH NO VISIBLE DAMAGE. |
August 9, 2021 6:17 PM CT | UNK | 2 SE Sycamore | IL | TORNADO ON THE GROUND EAST OF SPOTTER AT BETHANY ROAD AND IL-23. |
August 9, 2021 6:18 PM CT | UNK | 4 ESE Sycamore | IL | TORNADO ON THE GROUND EAST OF SYCAMORE. POSSIBLE DAMAGE TO STRUCTURES. |
August 9, 2021 6:31 PM CT | UNK | 1 S Virgil | IL | RAIN-WRAPPED TORNADO REPORTED NEAR BEITH ROAD AND MEREDITH ROAD. |
August 9, 2021 6:44 PM CT | UNK | 1 ESE Lily Lake | IL | MULTIPLE REPORTS OF A WEAK TORNADO NEAR LILY LAKE. |
August 9, 2021 6:58 PM CT | UNK | 1 WSW Campton Hills | IL | MULTIPLE REPORTS OF A BRIEF TORNADO NEAR CAMPTON HILLS. |
This table includes only public storm reports connected to the August 9, 2021 Rockford, 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 Rockford, IL Region
We found 6 more hail maps with reports from the same Rockford, IL region as the August 9, 2021 event. These related maps cover storm dates from Jul 7, 2021 through Aug 7, 2021, with mapped hail estimates ranging from 0.75" to 1.25". In this set, the strongest related map reached 1.25", and the most recent map shown is from Aug 7, 2021.
If none of these related Rockford, 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 Rockford, IL region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Rockford, IL
Not sure whether the August 9, 2021 Rockford, 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 Rockford, 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 August 9, 2021 Rockford, IL event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Rockford, 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 August 9, 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 August 9, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Rockford, 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 August 9, 2021 Rockford, IL hail event.