On the map: every storm report logged this day.
On the map
Storm reports for July 11, 2017
On July 11, 2017, 91 hail, 128 damaging-wind and 17 tornado reports were logged across 17 states.
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· 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
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On July 11, 2017, 91 hail, 128 damaging-wind and 17 tornado reports were logged across 17 states. The largest hail reported was 3.00″ (teacup size) in Codington 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 | 26 | 20 | 6 | 2.00″ |
| SD | 30 | 14 | 0 | 3.00″ |
| ND | 17 | 3 | 9 | 2.50″ |
| IL | 1 | 20 | 0 | 1.00″ |
| IA | 9 | 9 | 1 | 1.75″ |
| IN | 0 | 18 | 0 | – |
| OH | 1 | 16 | 0 | 0.75″ |
| WI | 3 | 5 | 0 | 2.00″ |
| VA | 0 | 7 | 0 | – |
| MT | 2 | 3 | 0 | 1.00″ |
| WY | 1 | 3 | 0 | 0.88″ |
| GA | 0 | 4 | 0 | – |
| FL | 1 | 1 | 0 | 0.88″ |
| PA | 0 | 1 | 1 | – |
| NE | 0 | 2 | 0 | – |
| NJ | 0 | 1 | 0 | – |
| KY | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Watertown, SD | 23,492 | 3.00″ |
| Fergus Falls, MN | 14,258 | 2.00″ |
| Summerset, SD | 3,013 | 1.50″ |
| West Branch, IA | 2,876 | 1.50″ |
| Pelican Rapids, MN | 2,594 | 1.50″ |
| Dubuque, IA | 58,987 | 1.00″ |
| Mitchell, SD | 15,621 | 1.00″ |
| Box Elder, SD | 13,887 | 1.00″ |
| Pingree Grove, IL | 11,512 | 1.00″ |
| Gilberts, IL | 9,075 | 1.00″ |
| Twin Lakes, WI | 6,328 | 1.00″ |
| Asbury, IA | 6,051 | 1.00″ |
| Mineral Point, WI | 2,560 | 1.00″ |
| Iowa City, IA | 76,710 | 0.75″ |
| Centerville, OH | 26,311 | 0.75″ |
| Coralville, IA | 23,959 | 0.75″ |
| Bellbrook, OH | 7,532 | 0.75″ |
Hail reports (91)
| Time (UTC) | Size | Location |
|---|---|---|
| 00:49 | 3.00″ | Codington County, SD |
| 00:47 | 2.75″ | Codington County, SD |
| 23:18 | 2.50″ | Pembina County, ND |
| 00:47 | 2.50″ | Codington County, SD |
| 00:07 | 2.00″ | Codington County, SD |
| 00:48 | 2.00″ | Codington County, SD |
| 02:12 | 2.00″ | Iowa County, WI |
| 02:39 | 2.00″ | Becker County, MN |
| 02:45 | 2.00″ | Otter Tail County, MN |
| 22:36 | 1.75″ | Cavalier County, ND |
| 22:50 | 1.75″ | Cavalier County, ND |
| 23:03 | 1.75″ | Grand Forks County, ND |
| 23:40 | 1.75″ | Kittson County, MN |
| 23:42 | 1.75″ | Grand Forks County, ND |
| 23:59 | 1.75″ | Traill County, ND |
| 00:23 | 1.75″ | Polk County, MN |
| 00:30 | 1.75″ | Hamlin County, SD |
| 00:50 | 1.75″ | Traill County, ND |
| 00:51 | 1.75″ | Codington County, SD |
| 01:03 | 1.75″ | Traill County, ND |
| 01:23 | 1.75″ | Codington County, SD |
| 02:53 | 1.75″ | Clayton County, IA |
| 02:58 | 1.75″ | Becker County, MN |
| 04:15 | 1.75″ | Otter Tail County, MN |
| 05:39 | 1.75″ | Murray County, MN |
| 06:26 | 1.75″ | Mille Lacs County, MN |
| 20:43 | 1.50″ | Meade County, SD |
| 22:35 | 1.50″ | Walsh County, ND |
| 23:45 | 1.50″ | Kittson County, MN |
| 00:00 | 1.50″ | Walsh County, ND |
| 00:50 | 1.50″ | Johnson County, IA |
| 02:30 | 1.50″ | Brookings County, SD |
| 02:46 | 1.50″ | Otter Tail County, MN |
| 03:04 | 1.50″ | Otter Tail County, MN |
| 04:00 | 1.50″ | Otter Tail County, MN |
| 23:41 | 1.25″ | Grand Forks County, ND |
| 02:25 | 1.25″ | Grant County, MN |
| 03:15 | 1.25″ | Becker County, MN |
| 03:57 | 1.25″ | Dubuque County, IA |
| 21:16 | 1.00″ | Pennington County, SD |
| 23:00 | 1.00″ | Walsh County, ND |
| 23:15 | 1.00″ | Grand Forks County, ND |
| 23:20 | 1.00″ | Day County, SD |
| 23:32 | 1.00″ | Kittson County, MN |
| 23:44 | 1.00″ | Hamlin County, SD |
| 00:01 | 1.00″ | Grand Forks County, ND |
| 00:20 | 1.00″ | Walsh County, ND |
| 00:21 | 1.00″ | Codington County, SD |
| 00:23 | 1.00″ | Hamlin County, SD |
| 00:30 | 1.00″ | Valley County, MT |
| 00:35 | 1.00″ | Pembina County, ND |
| 00:42 | 1.00″ | Codington County, SD |
| 00:52 | 1.00″ | Codington County, SD |
| 01:07 | 1.00″ | Roberts County, SD |
| 01:13 | 1.00″ | Davison County, SD |
| 01:15 | 1.00″ | Red Lake County, MN |
| 01:23 | 1.00″ | Davison County, SD |
| 01:25 | 1.00″ | Pennington County, MN |
| 01:38 | 1.00″ | Sanborn County, SD |
| 01:47 | 1.00″ | Norman County, MN |
| 01:57 | 1.00″ | Davison County, SD |
| 02:05 | 1.00″ | McCone County, MT |
| 02:08 | 1.00″ | Davison County, SD |
| 02:26 | 1.00″ | Iowa County, WI |
| 02:40 | 1.00″ | Grant County, MN |
| 02:45 | 1.00″ | Hamlin County, SD |
| 02:51 | 1.00″ | Hamlin County, SD |
| 02:55 | 1.00″ | Brookings County, SD |
| 03:08 | 1.00″ | Brookings County, SD |
| 03:16 | 1.00″ | Otter Tail County, MN |
| 03:33 | 1.00″ | Kane County, IL |
| 03:35 | 1.00″ | Otter Tail County, MN |
| 03:45 | 1.00″ | Otter Tail County, MN |
| 03:48 | 1.00″ | Dubuque County, IA |
| 05:00 | 1.00″ | Clayton County, IA |
| 05:34 | 1.00″ | Dubuque County, IA |
| 06:39 | 1.00″ | Kenosha County, WI |
| 20:25 | 0.88″ | Sarasota County, FL |
| 00:37 | 0.88″ | Hamlin County, SD |
| 02:17 | 0.88″ | Clayton County, IA |
| 02:40 | 0.88″ | Crook County, WY |
| 02:50 | 0.88″ | Clayton County, IA |
| 05:20 | 0.88″ | Murray County, MN |
| 05:25 | 0.88″ | Murray County, MN |
| 13:55 | 0.75″ | Greene County, OH |
| 21:10 | 0.75″ | Pennington County, SD |
| 21:49 | 0.75″ | Custer County, SD |
| 00:25 | 0.75″ | Johnson County, IA |
| 00:56 | 0.75″ | Traill County, ND |
| 03:54 | 0.75″ | Otter Tail County, MN |
| 04:51 | 0.75″ | Douglas County, MN |
Damage, injuries and deaths
National Weather Service offices recorded about $4.9 million in property damage and $3.2 million in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (240 events in 17 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Becker County, MN | 3 | 0 | 0 | $1.1 million |
| Norman County, MN | 3 | 0 | 0 | $1.1 million |
| Traill County, ND | 2 | 0 | 0 | $1 million |
| Champaign County, IL | 5 | 0 | 0 | $425,000 |
| Clay County, MN | 3 | 0 | 0 | $425,000 |
| Vermilion County, IL | 5 | 0 | 0 | $152,000 |
| Logan County, IL | 1 | 0 | 0 | $100,000 |
| Polk County, WI | 1 | 0 | 0 | $100,000 |
| Dawson County, NE | 1 | 0 | 0 | $75,000 |
| Montgomery County, OH | 5 | 0 | 0 | $57,000 |
| De Witt County, IL | 1 | 0 | 0 | $50,000 |
| Polk County, MN | 1 | 0 | 0 | $50,000 |
What the National Weather Service wrote
- Traill County, ND (near Hatton Arpt) · Tornado EF2 · $750,000
“This multi-vortex tornado was wrapped in rain and hail for much of its path. It crossed Interstate 29 just north of the Taft elevators, then dove south-southeast to a point roughly 2.5 east-northeast of Hillsboro, where it curled to the northeast.” - Norman County, MN (near Halstad) · Tornado EF2 · $550,000
“This tornado originated 4 miles east-northeast of Hillsboro, in Traill County, North Dakota, at 648 pm CST. It crossed the Red River about one mile west of Halstad.” - Becker County, MN (near Callaway) · Thunderstorm wind 81 mph · $450,000
“Large trees and power lines were blown down. Wind driven hail damaged fields and buildings.” - Norman County, MN (near Wheatville) · Tornado EF2 · $450,000
“This tornado collapsed at least one shed, snapped numerous trees, and tossed large round hay bales across a sugar beet field. It also snapped at least a half dozen wooden power poles. Peak winds were estimated at 125 mph.” - Becker County, MN (near Shoreham) · Thunderstorm wind 81 mph · $350,000
“Numerous large trees were snapped or uprooted around Lake Sallie, Lake Melissa, and the greater Detroit Lakes area. Roads were blocked by fallen trees and power lines were blown down.” - Clay County, MN (near Ulen) · Thunderstorm wind 81 mph · $250,000
“Twelve to eighteen inch diameter trees were blown down. Powerlines were also blown down with localized street flooding in Ulen. Wind driven hail damaged fields and buildings.”
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.
NWS Tornado Damage Surveys for July 11, 2017
National Weather Service survey teams mapped 16 tornado paths from this storm day (3 EF2, 6 EF1, 7 EF0), 112 miles in all. The map above draws each surveyed path as the NWS mapped it, colored by the EF rating of each stretch, in place of the straight start-to-end line.
| Rating | Peak wind | Path length | Max width | Deaths / injuries | On the ground | Surveyed by |
|---|---|---|---|---|---|---|
| EF2 | 135 mph | 23.7 mi | 1,200 yd | 0 / 0 | 23:55–00:46 UTC | NWS Grand Forks |
| EF2 | 125 mph | 14.9 mi | 500 yd | 0 / 0 | 01:40–02:06 UTC | NWS Grand Forks |
| EF2 | 130 mph | 11.7 mi | 600 yd | 0 / 0 | 00:45–01:10 UTC | NWS Grand Forks |
| EF1 | 95 mph | 11.5 mi | 250 yd | 0 / 0 | 00:07–00:30 UTC | NWS Grand Forks |
| EF1 | 90 mph | 10.8 mi | 400 yd | 0 / 0 | 07:27–07:38 UTC | NWS Twin Cities |
| EF1 | 105 mph | 6.5 mi | 150 yd | 0 / 0 | 23:30–23:46 UTC | NWS Grand Forks |
| EF1 | 90 mph | 4.9 mi | 150 yd | 0 / 0 | 23:25–23:37 UTC | NWS Grand Forks |
| EF1 | 105 mph | 4.6 mi | 60 yd | 0 / 0 | 22:35–22:54 UTC | NWS Quad Cities |
| EF1 | 95 mph | 1.6 mi | 150 yd | 0 / 0 | 22:39–22:43 UTC | NWS Grand Forks |
| EF0 | 85 mph | 12.7 mi | 440 yd | 0 / 0 | 07:20–07:34 UTC | NWS Twin Cities |
| EF0 | – | 3.0 mi | 250 yd | 0 / 0 | 07:41–07:44 UTC | NWS Twin Cities |
| EF0 | 70 mph | 2.1 mi | 150 yd | 0 / 0 | 22:16–22:20 UTC | NWS Grand Forks |
| EF0 | 75 mph | 1.6 mi | 150 yd | 0 / 0 | 23:50–23:56 UTC | NWS Grand Forks |
| EF0 | 75 mph | 0.9 mi | 100 yd | 0 / 0 | 22:51–22:53 UTC | NWS Grand Forks |
| EF0 | 70 mph | 0.7 mi | 100 yd | 0 / 0 | 22:48–22:50 UTC | NWS Grand Forks |
| EF0 | 80 mph | 0.6 mi | 200 yd | 0 / 0 | 07:39–07:40 UTC | NWS Twin Cities |
Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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