July 1991 storm reports: hail, wind and tornadoes
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In July 1991, 302 hail, 1,228 damaging-wind and 64 tornado reports were logged on 31 storm days across 47 states. The largest hail reported was 4.50″ (softball size) in McCook County, SD on July 20, 1991. The most hail reports came on July 7, 1991 (45). Tornadoes killed 1.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← June 1991 All 1991 storm days August 1991 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of July 1991
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Jul 7, 1991 | 45 | 309 | 9 | 2.75″ | 17 |
| Jul 23, 1991 | 10 | 137 | 4 | 1.75″ | 18 |
| Jul 2, 1991 | 20 | 72 | 0 | 1.75″ | 20 |
| Jul 21, 1991 | 26 | 56 | 6 | 2.75″ | 16 |
| Jul 8, 1991 | 19 | 56 | 2 | 1.75″ | 14 |
| Jul 6, 1991 | 30 | 44 | 0 | 3.50″ | 10 |
| Jul 19, 1991 | 12 | 50 | 1 | 1.75″ | 17 |
| Jul 3, 1991 | 13 | 38 | 1 | 1.75″ | 13 |
| Jul 13, 1991 | 13 | 37 | 2 | 1.75″ | 9 |
| Jul 24, 1991 | 10 | 41 | 0 | 1.75″ | 17 |
Largest hail reported in July 1991
| Day | Size | Location |
|---|---|---|
| Jul 20, 1991 | 4.50″ (softball) | McCook County, SD |
| Jul 6, 1991 | 3.50″ (teacup) | Minnehaha County, SD |
| Jul 20, 1991 | 3.00″ (teacup) | Nobles County, MN |
| Jul 4, 1991 | 2.75″ (baseball) | Phillips County, MT |
| Jul 4, 1991 | 2.75″ (baseball) | McHenry County, ND |
| Jul 4, 1991 | 2.75″ (baseball) | Phillips County, MT |
| Jul 7, 1991 | 2.75″ (baseball) | Will County, IL |
| Jul 10, 1991 | 2.75″ (baseball) | Custer County, SD |
| Jul 12, 1991 | 2.75″ (baseball) | Dade County, MO |
| Jul 17, 1991 | 2.75″ (baseball) | Roosevelt County, MT |
Storm reports by state, July 1991
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Pennsylvania | 14 | 131 | 2 | 1.00″ |
| Michigan | 21 | 93 | 4 | 1.75″ |
| Ohio | 12 | 70 | 2 | 1.25″ |
| New York | 4 | 78 | 0 | 1.75″ |
| Florida | 15 | 54 | 7 | 1.50″ |
| South Dakota | 29 | 39 | 5 | 4.50″ |
| Kentucky | 3 | 59 | 1 | 1.50″ |
| Minnesota | 17 | 31 | 11 | 3.00″ |
| North Dakota | 30 | 26 | 3 | 2.75″ |
| Iowa | 3 | 54 | 1 | 1.75″ |
| Georgia | 0 | 56 | 1 | – |
| New Jersey | 5 | 47 | 0 | 1.75″ |
| Wisconsin | 6 | 44 | 2 | 1.75″ |
| Indiana | 14 | 34 | 0 | 1.75″ |
| Oklahoma | 10 | 32 | 1 | 1.75″ |
| Kansas | 13 | 28 | 0 | 1.75″ |
| Maryland | 7 | 28 | 0 | 1.75″ |
| Montana | 16 | 13 | 6 | 2.75″ |
| West Virginia | 3 | 32 | 0 | 1.75″ |
| Illinois | 10 | 23 | 0 | 2.75″ |
| Colorado | 18 | 8 | 5 | 2.00″ |
| Arkansas | 7 | 22 | 1 | 1.75″ |
| Tennessee | 0 | 29 | 0 | – |
| Missouri | 5 | 23 | 0 | 2.75″ |
| Virginia | 7 | 21 | 0 | 1.75″ |
| Texas | 3 | 21 | 1 | 2.50″ |
| North Carolina | 3 | 16 | 1 | 1.75″ |
| Louisiana | 5 | 12 | 2 | 1.75″ |
| Mississippi | 1 | 17 | 0 | 0.88″ |
| Alabama | 3 | 14 | 0 | 0.75″ |
| South Carolina | 0 | 17 | 0 | – |
| Connecticut | 0 | 11 | 0 | – |
| Nebraska | 2 | 7 | 1 | 1.75″ |
| New Mexico | 3 | 4 | 2 | 0.75″ |
| Oregon | 5 | 2 | 0 | 1.50″ |
| Arizona | 0 | 6 | 0 | – |
| Massachusetts | 0 | 6 | 0 | – |
| Utah | 0 | 3 | 3 | – |
| New Hampshire | 1 | 4 | 0 | 1.00″ |
| Vermont | 1 | 3 | 0 | 0.75″ |
| District of Columbia | 0 | 3 | 0 | – |
| Idaho | 2 | 1 | 0 | 1.50″ |
| Nevada | 1 | 1 | 1 | 0.75″ |
| Washington | 2 | 1 | 0 | 1.00″ |
| Wyoming | 1 | 2 | 0 | 0.75″ |
| Delaware | 0 | 1 | 1 | – |
| Maine | 0 | 1 | 0 | – |
Every storm day in July 1991
Jul 1 Jul 2 Jul 3 Jul 4 Jul 5 Jul 6 Jul 7 Jul 8 Jul 9 Jul 10 Jul 11 Jul 12 Jul 13 Jul 14 Jul 15 Jul 16 Jul 17 Jul 18 Jul 19 Jul 20 Jul 21 Jul 22 Jul 23 Jul 24 Jul 25 Jul 26 Jul 27 Jul 28 Jul 29 Jul 30 Jul 31
A storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Read more about NOAA storm reports.