Hail Swath Map Preview
The Denver, CO hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 2.50". There are 23 public hail reports, 1 public wind reports, and 0 nearby tornado reports listed for the August 19, 2021 event.
View the August 19, 2021 Denver, CO 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 Denver, CO Hail Map
The August 19, 2021 hail swath map for Denver, CO covers approximately 1,119 square miles and includes an estimated 340,815 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 349 square miles. The highest estimated population exposure is in the 0.75-1.00" hail band with 97,646 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 253 sq mi | 69,848 |
| 0.50-0.75" | 349 sq mi | 91,492 |
| 0.75-1.00" | 236 sq mi | 97,646 |
| 1.00-1.25" | 108 sq mi | 48,038 |
| 1.25-1.50" | 80 sq mi | 27,642 |
| 1.50-1.75" | 44 sq mi | 3,245 |
| 1.75-2.00" | 29 sq mi | 2,709 |
| 2.00-2.25" | 11 sq mi | 170 |
| 2.25-2.50" | 2 sq mi | 6 |
| 2.50-2.75" | 7 sq mi | 19 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 19, 2021 Denver, CO hail event may have reached your area.
Housing Exposure Inside the Denver, CO Hail Swath Map
Inside the August 19, 2021 hail swath map area for Denver, CO, HailGeeks estimates 124,416 single-family homes, 15,017 townhomes, and 37,384 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.75-1.00" hail band, with 36,031 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 24,748 | 3,173 | 7,100 |
| 0.50-0.75" | 35,540 | 3,300 | 7,886 |
| 0.75-1.00" | 36,031 | 4,304 | 10,269 |
| 1.00-1.25" | 16,126 | 2,455 | 7,170 |
| 1.25-1.50" | 9,228 | 1,748 | 4,857 |
| 1.50-1.75" | 1,417 | 34 | 69 |
| 1.75-2.00" | 1,239 | 2 | 27 |
| 2.00-2.25" | 76 | 1 | 5 |
| 2.25-2.50" | 3 | 0 | 0 |
| 2.50-2.75" | 8 | 0 | 1 |
Use this table to review housing exposure by hail band for the August 19, 2021 Denver, CO hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Denver, CO Hail Map
Hail from the August 19, 2021 storm was mapped across 11 counties in the Denver, CO region. Weld County, CO had the strongest mapped signal, peaking at 2.50" with roughly 2,693 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 Denver, CO Hail Map
Zooming in, the swath touched 31 cities near Denver, CO. Keenesburg, CO had the strongest mapped signal at 2.00", with an estimated 388 single-family homes exposed.
City cards show where the August 19, 2021 Denver, CO 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 Denver, CO Hail Swath Map
At the ZIP level, the August 19, 2021 Denver, CO hail map spans 45 ZIP codes. ZIP 80652 shows the strongest local signal, with mapped hail estimates up to 2.50" and an estimated single-family-home exposure of 83.
Check your ZIP in seconds to see whether hail activity from the August 19, 2021 Denver, CO event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the August 19, 2021 hail map for Denver, CO currently list 23 public hail reports, 1 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
August 19, 2021 3:25 PM CT |
2.00 in | 4 ESE White Ranch Open | CO | REPORT FROM MPING: HEN EGG (2.00 IN.). |
August 19, 2021 3:28 PM CT |
1.00 in | 2 WNW Arvada | CO | No National Weather Service description provided. |
August 19, 2021 3:29 PM CT |
1.50 in | 4 W Arvada | CO | No National Weather Service description provided. |
August 19, 2021 3:30 PM CT |
1.00 in | 2 SSW Castle Rock | CO | No National Weather Service description provided. |
August 19, 2021 3:33 PM CT |
1.00 in | 3 S Castle Rock | CO | REPORT FROM MPING: QUARTER (1.00 IN.). |
August 19, 2021 3:40 PM CT |
1.00 in | 2 NE Arvada | CO | No National Weather Service description provided. |
August 19, 2021 3:45 PM CT |
1.50 in | 2 WSW Westminster | CO | REPORT FROM MPING: PING PONG BALL (1.50 IN.). |
August 19, 2021 3:45 PM CT |
1.00 in | 1 NNW Federal Heights | CO | No National Weather Service description provided. |
August 19, 2021 3:45 PM CT |
1.25 in | 1 SSE Broomfield | CO | No National Weather Service description provided. |
August 19, 2021 3:46 PM CT |
1.50 in | 1 WSW Westminster | CO | No National Weather Service description provided. |
August 19, 2021 3:47 PM CT |
1.00 in | 2 W Westminster | CO | 98TH AND SHEIRIDAN. |
August 19, 2021 3:48 PM CT |
1.00 in | Westminster | CO | REPORT FROM MPING: QUARTER (1.00 IN.). |
August 19, 2021 3:49 PM CT |
1.00 in | 2 WSW Westminster | CO | REPORT FROM MPING: QUARTER (1.00 IN.). |
August 19, 2021 3:50 PM CT |
1.25 in | 1 NNW Westminster | CO | No National Weather Service description provided. |
August 19, 2021 3:50 PM CT |
1.25 in | 2 N Federal Heights | CO | No National Weather Service description provided. |
August 19, 2021 3:50 PM CT |
1.00 in | 1 ENE Westminster | CO | No National Weather Service description provided. |
August 19, 2021 3:50 PM CT |
1.00 in | 2 NE Westminster | CO | No National Weather Service description provided. |
August 19, 2021 3:53 PM CT |
1.00 in | 2 E Broomfield | CO | REPORT FROM MPING: QUARTER (1.00 IN.). |
August 19, 2021 4:06 PM CT |
1.00 in | 2 NE Northglenn | CO | REPORT FROM MPING: QUARTER (1.00 IN.). |
August 19, 2021 4:30 PM CT |
1.50 in | Roggen | CO | No National Weather Service description provided. |
August 19, 2021 4:45 PM CT |
1.00 in | The Pinery | CO | No National Weather Service description provided. |
August 19, 2021 5:02 PM CT |
1.50 in | 1 W Bennett | CO | REPORT FROM MPING: PING PONG BALL (1.50 IN.). |
August 19, 2021 5:05 PM CT |
1.25 in | Bennett | CO | No National Weather Service description provided. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
August 20, 2021 4:31 AM CT | 68 mph | 4 S Keenesburg | CO | APRSWXNET/CWOP DW9298. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
| No public tornado reports are available for this event. | ||||
This table includes only public storm reports connected to the August 19, 2021 Denver, CO storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Denver, CO Region
We found 6 more hail maps with reports from the same Denver, CO region as the August 19, 2021 event. These related maps cover storm dates from Jul 17, 2021 through Aug 14, 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 14, 2021.
If none of these related Denver, CO 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 Denver, CO region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Denver, CO
Not sure whether the August 19, 2021 Denver, CO 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 Denver, CO 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 19, 2021 Denver, CO event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Denver, CO 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 19, 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 19, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Denver, CO 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 19, 2021 Denver, CO hail event.