On the map: every storm report logged this day.
On the map
Storm reports for July 18, 1998
On July 18, 1998, 43 hail, 75 damaging-wind and 2 tornado reports were logged across 12 states.
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On July 18, 1998, 43 hail, 75 damaging-wind and 2 tornado reports were logged across 12 states. The largest hail reported was 2.75″ (baseball size) in Edmunds County, SD.
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 |
|---|---|---|---|---|
| MN | 10 | 17 | 1 | 1.75″ |
| SD | 6 | 18 | 0 | 2.75″ |
| ND | 21 | 2 | 1 | 1.75″ |
| WI | 0 | 14 | 0 | – |
| IA | 0 | 8 | 0 | – |
| IL | 0 | 7 | 0 | – |
| TX | 0 | 5 | 0 | – |
| MT | 4 | 0 | 0 | 1.75″ |
| NE | 0 | 2 | 0 | – |
| AZ | 0 | 2 | 0 | – |
| CO | 1 | 0 | 0 | 0.75″ |
| KY | 1 | 0 | 0 | 0.75″ |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Valley City, ND | 6,580 | 1.75″ |
Hail reports (43)
| Time (UTC) | Size | Location |
|---|---|---|
| 23:25 | 2.75″ | Edmunds County, SD |
| 13:00 | 1.75″ | Cavalier County, ND |
| 14:01 | 1.75″ | Barnes County, ND |
| 14:35 | 1.75″ | Ransom County, ND |
| 16:04 | 1.75″ | Richland County, ND |
| 16:30 | 1.75″ | Traverse County, MN |
| 23:10 | 1.75″ | Carter County, MT |
| 23:20 | 1.75″ | Red Lake County, MN |
| 23:30 | 1.75″ | Hand County, SD |
| 13:30 | 1.25″ | Barnes County, ND |
| 13:05 | 1.00″ | Barnes County, ND |
| 13:20 | 1.00″ | Barnes County, ND |
| 14:10 | 1.00″ | Cass County, ND |
| 14:15 | 1.00″ | Ransom County, ND |
| 14:25 | 1.00″ | Ransom County, ND |
| 14:25 | 1.00″ | Cass County, ND |
| 14:39 | 1.00″ | Richland County, ND |
| 15:15 | 1.00″ | Richland County, ND |
| 15:45 | 1.00″ | Traverse County, MN |
| 23:48 | 1.00″ | Polk County, MN |
| 01:10 | 1.00″ | Valley County, MT |
| 01:25 | 1.00″ | Roosevelt County, MT |
| 01:40 | 1.00″ | Brookings County, SD |
| 02:10 | 0.88″ | McCook County, SD |
| 12:00 | 0.75″ | Benson County, ND |
| 13:15 | 0.75″ | Nelson County, ND |
| 13:30 | 0.75″ | Griggs County, ND |
| 14:15 | 0.75″ | Walsh County, ND |
| 14:57 | 0.75″ | Richland County, ND |
| 15:15 | 0.75″ | Richland County, ND |
| 16:15 | 0.75″ | Wilkin County, MN |
| 16:36 | 0.75″ | Kittson County, MN |
| 16:45 | 0.75″ | Kittson County, MN |
| 16:49 | 0.75″ | Grant County, MN |
| 17:30 | 0.75″ | Roseau County, MN |
| 22:33 | 0.75″ | Sully County, SD |
| 23:56 | 0.75″ | Alamosa County, CO |
| 00:15 | 0.75″ | Clearwater County, MN |
| 01:10 | 0.75″ | Kingsbury County, SD |
| 01:20 | 0.75″ | Richland County, ND |
| 01:45 | 0.75″ | Richland County, ND |
| 01:50 | 0.75″ | Valley County, MT |
| 02:05 | 0.75″ | Menifee County, KY |
Damage, injuries and deaths
National Weather Service offices recorded about $1.6 million in property damage and $285,000 in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (125 events in 12 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Ransom County, ND | 1 | 0 | 0 | $250,000 |
| Emmet County, IA | 1 | 0 | 0 | $200,000 |
| Osceola County, IA | 1 | 0 | 0 | $200,000 |
| Minnehaha County, SD | 1 | 0 | 0 | $200,000 |
| Grant County, WI | 4 | 0 | 0 | $118,000 |
| Iowa County, WI | 2 | 0 | 0 | $110,000 |
| Nobles County, MN | 1 | 0 | 0 | $100,000 |
| Richland County, ND | 1 | 0 | 0 | $75,000 |
| Clayton County, IA | 1 | 0 | 0 | $50,000 |
| Sioux County, IA | 1 | 0 | 0 | $50,000 |
| Cottonwood County, MN | 1 | 0 | 0 | $50,000 |
| Rock County, MN | 1 | 0 | 0 | $50,000 |
What the National Weather Service wrote
- Ransom County, ND (near Lisbon) · Tornado F1 · $250,000
“A tornado touched down on a farmstead, destroying numerous buildings. One barn was destroyed and 60 hogs inside were killed. Power was knocked out. The tornado crossed highway 27 and dissipated.” - Richland County, ND (near Hankinson) · Thunderstorm wind · $75,000
“Strong straightline winds crumpled several large metal grain bins at the town elevator. Hundreds of trees were blown down, one landing on a house. Power was knocked out and phone service was disrupted.” - Marshall County, MN (near Grygla) · Thunderstorm wind · $10,000
“Many trees were blown down in the strong wind, one landing on top of a house. A trailer home was moved off its foundation.” - Coleman County, TX (near Coleman) · Thunderstorm wind · $10,000
“High winds damaged the football stadium in Coleman, knocked power lines down, and tore a roof off of a mobile home.” - San Saba County, TX (near San Saba) · Thunderstorm wind · $5,000
“Winds estimated at 60 mph uprooted trees and disrupted power lines throughout the community.” - Coryell County, TX (near Gatesville) · Thunderstorm wind · $1,000
“Thunderstorm winds blew down a large tree.”
Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.
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.
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