August 1958 storm reports: hail, wind and tornadoes
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In August 1958, 49 hail, 108 damaging-wind and 46 tornado reports were logged on 30 storm days across 35 states. The largest hail reported was 4.00″ (grapefruit size) in Clinton County, IA on August 7, 1958. The most hail reports came on August 14, 1958 (9). Tornadoes killed 1.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← July 1958 All 1958 storm days September 1958 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of August 1958
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Aug 14, 1958 | 9 | 9 | 4 | 4.00″ | 11 |
| Aug 7, 1958 | 6 | 9 | 1 | 4.00″ | 7 |
| Aug 12, 1958 | 1 | 11 | 3 | 0.75″ | 8 |
| Aug 15, 1958 | 3 | 9 | 3 | 3.00″ | 10 |
| Aug 4, 1958 | 4 | 8 | 2 | 2.00″ | 6 |
| Aug 13, 1958 | 7 | 3 | 3 | 2.75″ | 9 |
| Aug 3, 1958 | 1 | 6 | 4 | 2.00″ | 5 |
| Aug 11, 1958 | 1 | 6 | 2 | 4.00″ | 8 |
| Aug 6, 1958 | 1 | 6 | 1 | 3.00″ | 6 |
| Aug 25, 1958 | 3 | 5 | 0 | 2.75″ | 4 |
Largest hail reported in August 1958
| Day | Size | Location |
|---|---|---|
| Aug 7, 1958 | 4.00″ (grapefruit) | Clinton County, IA |
| Aug 11, 1958 | 4.00″ (grapefruit) | Franklin County, NE |
| Aug 14, 1958 | 4.00″ (grapefruit) | Osceola County, IA |
| Aug 14, 1958 | 3.50″ (teacup) | Nobles County, MN |
| Aug 6, 1958 | 3.00″ (teacup) | Logan County, CO |
| Aug 15, 1958 | 3.00″ (teacup) | Aroostook County, ME |
| Aug 13, 1958 | 2.75″ (baseball) | Roberts County, SD |
| Aug 13, 1958 | 2.75″ (baseball) | Big Stone County, MN |
| Aug 14, 1958 | 2.75″ (baseball) | Custer County, NE |
| Aug 25, 1958 | 2.75″ (baseball) | Kingfisher County, OK |
Storm reports by state, August 1958
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Minnesota | 12 | 9 | 2 | 3.50″ |
| Texas | 1 | 15 | 7 | 1.75″ |
| Nebraska | 3 | 2 | 10 | 4.00″ |
| South Dakota | 8 | 6 | 0 | 2.75″ |
| Oklahoma | 5 | 6 | 2 | 2.75″ |
| Illinois | 4 | 3 | 5 | 1.75″ |
| Michigan | 3 | 6 | 2 | 2.00″ |
| Massachusetts | 1 | 4 | 3 | 1.00″ |
| Ohio | 0 | 6 | 1 | – |
| Wisconsin | 3 | 2 | 2 | 0.75″ |
| Florida | 0 | 4 | 2 | – |
| Iowa | 2 | 3 | 1 | 4.00″ |
| Maine | 2 | 2 | 2 | 3.00″ |
| Indiana | 0 | 5 | 0 | – |
| Kansas | 0 | 5 | 0 | – |
| Pennsylvania | 1 | 4 | 0 | 1.50″ |
| North Dakota | 0 | 2 | 2 | – |
| Colorado | 1 | 2 | 0 | 3.00″ |
| Connecticut | 0 | 1 | 2 | – |
| North Carolina | 1 | 2 | 0 | 1.00″ |
| New York | 0 | 2 | 1 | – |
| Virginia | 0 | 3 | 0 | – |
| Delaware | 0 | 2 | 0 | – |
| Idaho | 1 | 1 | 0 | 1.00″ |
| Kentucky | 0 | 2 | 0 | – |
| Louisiana | 0 | 2 | 0 | – |
| New Jersey | 0 | 2 | 0 | – |
| Arizona | 0 | 1 | 0 | – |
| Georgia | 0 | 0 | 1 | – |
| Mississippi | 0 | 1 | 0 | – |
| Montana | 0 | 0 | 1 | – |
| New Hampshire | 0 | 1 | 0 | – |
| Oregon | 0 | 1 | 0 | – |
| Vermont | 1 | 0 | 0 | 0.75″ |
| Washington | 0 | 1 | 0 | – |
Every storm day in August 1958
Aug 1 Aug 2 Aug 3 Aug 4 Aug 5 Aug 6 Aug 7 Aug 8 Aug 9 Aug 10 Aug 11 Aug 12 Aug 13 Aug 14 Aug 15 Aug 16 Aug 17 Aug 18 Aug 19 Aug 20 Aug 21 Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 Aug 30 Aug 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.