On the map: every storm report logged this day.
On the map
Storm reports for August 1, 2003
On August 1, 2003, 159 hail, 159 damaging-wind and 4 tornado reports were logged across 18 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
← Jul 31, 2003 All 2003 storm days · August 2003 Aug 2, 2003 →
On August 1, 2003, 159 hail, 159 damaging-wind and 4 tornado reports were logged across 18 states. The largest hail reported was 2.75″ (baseball size) in Branch County, MI.
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 |
|---|---|---|---|---|
| IL | 50 | 16 | 0 | 1.75″ |
| MI | 30 | 26 | 1 | 2.75″ |
| MO | 30 | 26 | 0 | 2.75″ |
| OK | 4 | 41 | 0 | 1.00″ |
| IN | 16 | 8 | 2 | 1.75″ |
| OH | 3 | 14 | 1 | 0.75″ |
| AR | 1 | 9 | 0 | 0.75″ |
| KY | 1 | 8 | 0 | 0.75″ |
| NE | 6 | 2 | 0 | 1.00″ |
| CO | 7 | 0 | 0 | 1.50″ |
| FL | 2 | 4 | 0 | 1.00″ |
| KS | 3 | 2 | 0 | 1.00″ |
| IA | 3 | 0 | 0 | 1.75″ |
| WY | 2 | 0 | 0 | 1.25″ |
| MS | 1 | 0 | 0 | 0.75″ |
| NC | 0 | 1 | 0 | – |
| GA | 0 | 1 | 0 | – |
| SC | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Fort Wayne, IN | 273,203 | 1.75″ |
| Grand Rapids, MI | 200,117 | 1.75″ |
| Elgin, IL | 114,701 | 1.75″ |
| Schaumburg, IL | 77,099 | 1.75″ |
| Des Plaines, IL | 58,832 | 1.75″ |
| Mount Prospect, IL | 55,460 | 1.75″ |
| Kentwood, MI | 54,768 | 1.75″ |
| Wheaton, IL | 53,741 | 1.75″ |
| Hoffman Estates, IL | 50,920 | 1.75″ |
| Elmhurst, IL | 46,108 | 1.75″ |
| Lombard, IL | 44,490 | 1.75″ |
| Bartlett, IL | 40,718 | 1.75″ |
| Carol Stream, IL | 39,556 | 1.75″ |
| Streamwood, IL | 38,360 | 1.75″ |
| Hanover Park, IL | 36,685 | 1.75″ |
| Addison, IL | 35,728 | 1.75″ |
| Glendale Heights, IL | 32,866 | 1.75″ |
| Elk Grove Village, IL | 31,802 | 1.75″ |
| Glen Ellyn, IL | 28,872 | 1.75″ |
| South Elgin, IL | 24,921 | 1.75″ |
| Rolling Meadows, IL | 23,732 | 1.75″ |
| Roselle, IL | 22,871 | 1.75″ |
| Bloomingdale, IL | 22,622 | 1.75″ |
| Villa Park, IL | 22,020 | 1.75″ |
| Bensenville, IL | 18,629 | 1.75″ |
Hail reports (159)
| Time (UTC) | Size | Location |
|---|---|---|
| 20:55 | 2.75″ | Branch County, MI |
| 22:28 | 2.75″ | Howell County, MO |
| 18:03 | 1.75″ | Clinton County, MI |
| 18:45 | 1.75″ | Washington County, IA |
| 18:45 | 1.75″ | Cook County, IL |
| 19:59 | 1.75″ | Kane County, IL |
| 20:19 | 1.75″ | Cook County, IL |
| 20:20 | 1.75″ | Cook County, IL |
| 20:26 | 1.75″ | Cook County, IL |
| 20:30 | 1.75″ | DuPage County, IL |
| 20:35 | 1.75″ | Mercer County, IL |
| 20:40 | 1.75″ | Howell County, MO |
| 20:49 | 1.75″ | Cook County, IL |
| 21:15 | 1.75″ | Branch County, MI |
| 21:22 | 1.75″ | DuPage County, IL |
| 21:23 | 1.75″ | DuPage County, IL |
| 21:36 | 1.75″ | Hillsdale County, MI |
| 21:53 | 1.75″ | Kent County, MI |
| 21:58 | 1.75″ | Allen County, IN |
| 22:06 | 1.75″ | Allen County, IN |
| 22:26 | 1.75″ | St. Francois County, MO |
| 22:54 | 1.75″ | Barry County, MO |
| 23:31 | 1.75″ | Wells County, IN |
| 21:58 | 1.50″ | Logan County, CO |
| 23:40 | 1.50″ | Allen County, IN |
| 18:47 | 1.25″ | Cook County, IL |
| 19:10 | 1.25″ | Cook County, IL |
| 19:38 | 1.25″ | Mercer County, IL |
| 21:35 | 1.25″ | Laramie County, WY |
| 00:50 | 1.25″ | Jay County, IN |
| 18:25 | 1.00″ | Cook County, IL |
| 18:27 | 1.00″ | Cook County, IL |
| 18:28 | 1.00″ | Cook County, IL |
| 18:30 | 1.00″ | Wapello County, IA |
| 18:30 | 1.00″ | Wapello County, IA |
| 18:32 | 1.00″ | Cook County, IL |
| 18:44 | 1.00″ | Cook County, IL |
| 19:48 | 1.00″ | Kane County, IL |
| 20:00 | 1.00″ | Cook County, IL |
| 20:30 | 1.00″ | Cook County, IL |
| 20:40 | 1.00″ | DuPage County, IL |
| 20:50 | 1.00″ | Hillsborough County, FL |
| 20:53 | 1.00″ | Cook County, IL |
| 21:05 | 1.00″ | Lapeer County, MI |
| 21:10 | 1.00″ | DuPage County, IL |
| 21:19 | 1.00″ | St. Francois County, MO |
| 21:29 | 1.00″ | Hillsdale County, MI |
| 21:32 | 1.00″ | Greene County, MO |
| 21:32 | 1.00″ | Will County, IL |
| 21:42 | 1.00″ | LaSalle County, IL |
| 21:45 | 1.00″ | Will County, IL |
| 21:48 | 1.00″ | St. Clair County, MI |
| 21:50 | 1.00″ | Greene County, MO |
| 21:52 | 1.00″ | Dallas County, MO |
| 21:57 | 1.00″ | McDonald County, MO |
| 21:58 | 1.00″ | Kendall County, IL |
| 22:02 | 1.00″ | Grundy County, IL |
| 22:04 | 1.00″ | Lake County, IN |
| 22:05 | 1.00″ | Hillsborough County, FL |
| 22:08 | 1.00″ | Cook County, IL |
| 22:10 | 1.00″ | Kalamazoo County, MI |
| 22:15 | 1.00″ | Cook County, IL |
| 22:15 | 1.00″ | Logan County, CO |
| 22:18 | 1.00″ | Barry County, MI |
| 22:48 | 1.00″ | Kimball County, NE |
| 22:58 | 1.00″ | Lenawee County, MI |
| 23:09 | 1.00″ | Tulsa County, OK |
| 23:45 | 1.00″ | Reynolds County, MO |
| 23:48 | 1.00″ | Allen County, IN |
| 00:13 | 1.00″ | Ozark County, MO |
| 00:52 | 1.00″ | Berrien County, MI |
| 01:10 | 1.00″ | Platte County, WY |
| 04:25 | 1.00″ | Johnson County, KS |
| 04:50 | 1.00″ | Cass County, MO |
| 05:40 | 1.00″ | Cass County, MO |
| 07:11 | 1.00″ | Dallas County, MO |
| 18:40 | 0.88″ | Cook County, IL |
| 20:01 | 0.88″ | Cook County, IL |
| 20:48 | 0.88″ | Dade County, MO |
| 20:50 | 0.88″ | Branch County, MI |
| 20:52 | 0.88″ | DuPage County, IL |
| 20:58 | 0.88″ | Hillsdale County, MI |
| 21:13 | 0.88″ | DuPage County, IL |
| 22:15 | 0.88″ | Kendall County, IL |
| 22:20 | 0.88″ | Kimball County, NE |
| 22:25 | 0.88″ | Allegan County, MI |
| 22:30 | 0.88″ | Will County, IL |
| 23:08 | 0.88″ | Cheyenne County, NE |
| 23:15 | 0.88″ | Barry County, MO |
| 23:28 | 0.88″ | Wells County, IN |
| 00:22 | 0.88″ | Garden County, NE |
| 00:31 | 0.88″ | Phelps County, MO |
| 01:10 | 0.88″ | Keith County, NE |
| 04:00 | 0.88″ | Jackson County, MO |
| 04:08 | 0.88″ | Jackson County, MO |
| 05:00 | 0.88″ | Cass County, MO |
| 06:40 | 0.88″ | Dallas County, MO |
| 08:47 | 0.88″ | Texas County, MO |
| 17:45 | 0.75″ | Gratiot County, MI |
| 18:15 | 0.75″ | Lake County, IL |
| 18:17 | 0.75″ | Eaton County, MI |
| 19:36 | 0.75″ | Larimer County, CO |
| 19:55 | 0.75″ | Pulaski County, MO |
| 20:00 | 0.75″ | Genesee County, MI |
| 20:04 | 0.75″ | Pulaski County, MO |
| 20:06 | 0.75″ | Livingston County, MI |
| 20:25 | 0.75″ | Cook County, IL |
| 20:30 | 0.75″ | Branch County, MI |
| 20:38 | 0.75″ | Cook County, IL |
| 20:44 | 0.75″ | LaGrange County, IN |
| 20:44 | 0.75″ | Branch County, MI |
| 20:45 | 0.75″ | Cook County, IL |
| 20:45 | 0.75″ | Cook County, IL |
| 21:00 | 0.75″ | Hillsdale County, MI |
| 21:15 | 0.75″ | Kane County, IL |
| 21:15 | 0.75″ | Kane County, IL |
| 21:20 | 0.75″ | DeKalb County, IN |
| 21:25 | 0.75″ | Branch County, MI |
| 21:36 | 0.75″ | Steuben County, IN |
| 21:36 | 0.75″ | Branch County, MI |
| 21:37 | 0.75″ | Kalamazoo County, MI |
| 21:40 | 0.75″ | Cowley County, KS |
| 21:43 | 0.75″ | Macomb County, MI |
| 21:50 | 0.75″ | Greene County, MO |
| 21:55 | 0.75″ | DuPage County, IL |
| 21:56 | 0.75″ | Allen County, IN |
| 22:00 | 0.75″ | Stone County, MS |
| 22:05 | 0.75″ | Logan County, CO |
| 22:06 | 0.75″ | Morgan County, CO |
| 22:10 | 0.75″ | Allen County, IN |
| 22:15 | 0.75″ | Will County, IL |
| 22:15 | 0.75″ | Allen County, IN |
| 22:29 | 0.75″ | DuPage County, IL |
| 22:30 | 0.75″ | Will County, IL |
| 22:30 | 0.75″ | DuPage County, IL |
| 22:39 | 0.75″ | Hillsdale County, MI |
| 22:40 | 0.75″ | Paulding County, OH |
| 22:44 | 0.75″ | St. Joseph County, MI |
| 22:57 | 0.75″ | Iron County, MO |
| 23:00 | 0.75″ | Lake County, IN |
| 23:11 | 0.75″ | Tulsa County, OK |
| 23:20 | 0.75″ | Wagoner County, OK |
| 23:23 | 0.75″ | Lake County, IL |
| 23:41 | 0.75″ | Cheyenne County, NE |
| 23:45 | 0.75″ | Steuben County, IN |
| 00:01 | 0.75″ | Lincoln County, CO |
| 00:35 | 0.75″ | Wood County, OH |
| 01:27 | 0.75″ | Mercer County, OH |
| 01:45 | 0.75″ | Kiowa County, CO |
| 02:02 | 0.75″ | Allegan County, MI |
| 02:07 | 0.75″ | Kalamazoo County, MI |
| 03:52 | 0.75″ | Jackson County, MO |
| 04:35 | 0.75″ | Cass County, MO |
| 05:35 | 0.75″ | Cass County, MO |
| 05:55 | 0.75″ | Bates County, MO |
| 05:55 | 0.75″ | Sedgwick County, KS |
| 06:02 | 0.75″ | Washington County, OK |
| 08:15 | 0.75″ | Warren County, KY |
| 09:30 | 0.75″ | Baxter County, AR |
Damage, injuries and deaths
National Weather Service offices recorded about $1.6 million in property damage, $215,000 in crop damage and 1 injury from hail, thunderstorm wind and tornadoes across the US on this storm day (323 events in 18 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Wagoner County, OK | 3 | 1 | 0 | $85,000 |
| Sebastian County, AR | 1 | 0 | 0 | $250,000 |
| Washington County, IA | 1 | 0 | 0 | $150,000 |
| Tulsa County, OK | 5 | 0 | 0 | $145,000 |
| Mercer County, IL | 2 | 0 | 0 | $103,000 |
| Kent County, MI | 1 | 0 | 0 | $100,000 |
| Jefferson County, KY | 1 | 0 | 0 | $75,000 |
| Sequoyah County, OK | 2 | 0 | 0 | $65,000 |
| Calhoun County, MI | 3 | 0 | 0 | $55,000 |
| Okeechobee County, FL | 1 | 0 | 0 | $50,000 |
| Clinton County, MI | 1 | 0 | 0 | $50,000 |
| Wood County, OH | 1 | 0 | 0 | $50,000 |
What the National Weather Service wrote
- Wagoner County, OK (near Coweta) · Thunderstorm wind 70 mph · $50,000 · 1 injury
“Thunderstorm winds estimated at 70 miles an hour blew a tree down onto a mobile home almost completely destroying it. A man inside the mobile home was cut by debris flying off the headboard of his bed during the impact.” - Sebastian County, AR (near Ft Smith) · Thunderstorm wind 81 mph · $250,000
“Thunderstorm winds estimated at 80 miles an hour blew down numerous trees and power lines. The wind and falling trees and limbs damaged the roofs of some homes and a business. The wind also blew out windows of several homes and businesses and damaged numerous signs.” - Kent County, MI (near East Grand Rapids) · Hail 1.75″ · $100,000
“One and three quarters inch diameter hail was reported in Ada and also in Rockford, and three quarters inch diameter hail was reported one mile north of east Grand Rapids.” - Jefferson County, KY (near Harrods Creek) · Thunderstorm wind 69 mph · $75,000
“Numerous trees and power lines were downed. Three vehicles were destroyed when trees were blown on to them. Thirteen thousand customers were without power throughout Jefferson County.” - Sequoyah County, OK (near Roland) · Thunderstorm wind 70 mph · $50,000
“Thunderstorm winds estimated at 70 miles an hour caused some damage in and near Roland. A trailer at a RV dealership was blown over in town and a church west of town lost a porch roof. The roof fell on a van.” - Tulsa County, OK (near Tulsa) · Thunderstorm wind 70 mph · $50,000
“Thunderstorm winds estimated at 70 miles an hour blew down numerous large trees, tree limbs and power lines mainly across the southern part of the city of Tulsa. Some cars were damaged by the debris and up to 38,000 customers lost power.”
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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