On the map: every storm report logged this day.
On the map
Storm reports for May 18, 1979
On May 18, 1979, 6 hail, 0 damaging-wind and 1 tornado reports were logged across 2 states.
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On May 18, 1979, 6 hail, 0 damaging-wind and 1 tornado reports were logged across 2 states. The largest hail reported was 1.00″ (quarter size) in Fond du Lac County, WI.
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 | 5 | 0 | 1 | 1.00″ |
| IA | 1 | 0 | 0 | 1.00″ |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Madison, WI | 285,300 | 1.00″ |
| Iowa City, IA | 76,710 | 1.00″ |
| Fond du Lac, WI | 44,469 | 1.00″ |
| Coralville, IA | 23,959 | 1.00″ |
| Monona, WI | 8,616 | 1.00″ |
| North Fond du Lac, WI | 5,419 | 1.00″ |
| Whitefish Bay, WI | 14,532 | 0.75″ |
| Glendale, WI | 14,381 | 0.75″ |
| Cedarburg, WI | 13,011 | 0.75″ |
| Grafton, WI | 12,741 | 0.75″ |
| Brown Deer, WI | 12,527 | 0.75″ |
| Fox Point, WI | 6,591 | 0.75″ |
| Bayside, WI | 4,338 | 0.75″ |
| Thiensville, WI | 3,299 | 0.75″ |
Hail reports (6)
| Time (UTC) | Size | Location |
|---|---|---|
| 18:15 | 1.00″ | Fond du Lac County, WI |
| 18:25 | 1.00″ | Kewaunee County, WI |
| 19:00 | 1.00″ | Dane County, WI |
| 19:30 | 1.00″ | Johnson County, IA |
| 20:27 | 0.75″ | Ozaukee County, WI |
| 21:08 | 0.75″ | Milwaukee County, WI |
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 (7 events in 2 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 |
|---|---|---|---|---|
| Adams County, WI | 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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