On the map: every storm report logged this day.
On the map
Storm reports for August 15, 1966
On August 15, 1966, 6 hail, 10 damaging-wind and 3 tornado reports were logged across 7 states.
FreeNo accountNo phone numberWe don’t keep the address
· As you type, the text is sent to Google to suggest addresses.IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← Aug 14, 1966 All 1966 storm days · August 1966 Aug 16, 1966 →
On August 15, 1966, 6 hail, 10 damaging-wind and 3 tornado reports were logged across 7 states. The largest hail reported was 2.25″ (hen egg size) in Jackson County, MO.
Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.
Storm reports by state
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| WI | 3 | 2 | 1 | 2.00″ |
| MI | 0 | 4 | 1 | – |
| MO | 2 | 1 | 0 | 2.25″ |
| IL | 1 | 1 | 0 | 0.75″ |
| FL | 0 | 0 | 1 | – |
| IA | 0 | 1 | 0 | – |
| PA | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Independence, MO | 121,629 | 2.25″ |
| Sugar Creek, MO | 3,223 | 2.25″ |
| Pleasant Hill, MO | 8,864 | 1.00″ |
| La Crosse, WI | 51,049 | 0.75″ |
| Onalaska, WI | 19,898 | 0.75″ |
| La Crescent, MN | 5,257 | 0.75″ |
Hail reports (6)
| Time (UTC) | Size | Location |
|---|---|---|
| 22:30 | 2.25″ | Jackson County, MO |
| 19:10 | 2.00″ | Sauk County, WI |
| 00:40 | 1.00″ | Cass County, MO |
| 15:30 | 0.75″ | La Crosse County, WI |
| 19:20 | 0.75″ | Adams County, WI |
| 01:00 | 0.75″ | Marshall County, IL |
Damage, injuries and deaths
National Weather Service offices recorded about $500,000 in property damage and 1 injury from hail, thunderstorm wind and tornadoes across the US on this storm day (21 events in 7 states). Before 1996 the database holds only tornado, hail and wind events, and damage was often entered as a range, so treat these figures as rough. Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Sauk County, WI | 1 | 1 | 0 | $250,000 |
| Columbia County, WI | 1 | 0 | 0 | $250,000 |
| Manatee County, FL | 1 | 0 | 0 | $0 |
Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
Hail check for any US address
Every day since October 2019 that radar estimated hail near the address, free.
Guide: How to check if it hailed at your address · Free hail alerts by email · As you type, the text is sent to Google to suggest addresses.