On the map: every storm report logged this day.
On the map
Storm reports for July 18, 1966
On July 18, 1966, 3 hail, 10 damaging-wind and 1 tornado reports were logged across 5 states.
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On July 18, 1966, 3 hail, 10 damaging-wind and 1 tornado reports were logged across 5 states. The largest hail reported was 2.00″ (hen egg size) in DuPage County, IL.
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 |
|---|---|---|---|---|
| IN | 0 | 5 | 0 | – |
| IL | 3 | 1 | 0 | 2.00″ |
| CO | 0 | 2 | 1 | – |
| KS | 0 | 1 | 0 | – |
| AZ | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Downers Grove, IL | 50,552 | 2.00″ |
| Woodridge, IL | 34,103 | 2.00″ |
| Westmont, IL | 24,308 | 2.00″ |
| Lisle, IL | 23,548 | 2.00″ |
| Darien, IL | 22,015 | 2.00″ |
| Hinsdale, IL | 17,598 | 2.00″ |
| Burr Ridge, IL | 11,202 | 2.00″ |
| Willowbrook, IL | 9,179 | 2.00″ |
| Clarendon Hills, IL | 8,703 | 2.00″ |
| Oak Brook, IL | 8,188 | 2.00″ |
| Brookfield, IL | 18,885 | 1.75″ |
| Westchester, IL | 16,313 | 1.75″ |
| La Grange, IL | 15,943 | 1.75″ |
| Western Springs, IL | 13,529 | 1.75″ |
| La Grange Park, IL | 13,459 | 1.75″ |
| Justice, IL | 12,267 | 1.75″ |
| Summit, IL | 10,761 | 1.75″ |
| Lyons, IL | 10,440 | 1.75″ |
| Countryside, IL | 6,246 | 1.75″ |
| Willow Springs, IL | 5,793 | 1.75″ |
| Indian Head Park, IL | 3,956 | 1.75″ |
| Bolingbrook, IL | 74,756 | 1.00″ |
Hail reports (3)
| Time (UTC) | Size | Location |
|---|---|---|
| 00:03 | 2.00″ | DuPage County, IL |
| 00:00 | 1.75″ | Cook County, IL |
| 00:22 | 1.00″ | Will County, IL |
Damage, injuries and deaths
National Weather Service offices recorded about $3,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (14 events in 5 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 |
|---|---|---|---|---|
| Otero County, CO | 1 | 0 | 0 | $3,000 |
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
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