May 1958 storm reports: hail, wind and tornadoes
IndependentNot affiliated with NOAA or the National Weather Service.
In May 1958, 98 hail, 87 damaging-wind and 70 tornado reports were logged on 30 storm days across 38 states. The largest hail reported was 8.00″ (softball size) in Fayette County, IA on May 31, 1958. The most hail reports came on May 10, 1958 (9).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← April 1958 All 1958 storm days June 1958 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of May 1958
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| May 31, 1958 | 7 | 12 | 13 | 8.00″ | 10 |
| May 2, 1958 | 0 | 7 | 10 | – | 3 |
| May 22, 1958 | 3 | 12 | 2 | 1.00″ | 7 |
| May 3, 1958 | 5 | 1 | 8 | 1.75″ | 5 |
| May 12, 1958 | 5 | 6 | 3 | 1.50″ | 7 |
| May 4, 1958 | 6 | 4 | 2 | 2.50″ | 3 |
| May 10, 1958 | 9 | 2 | 0 | 2.75″ | 4 |
| May 18, 1958 | 5 | 5 | 1 | 4.00″ | 7 |
| May 24, 1958 | 7 | 2 | 2 | 2.00″ | 6 |
| May 26, 1958 | 5 | 2 | 4 | 2.50″ | 3 |
Largest hail reported in May 1958
| Day | Size | Location |
|---|---|---|
| May 31, 1958 | 8.00″ (softball) | Fayette County, IA |
| May 18, 1958 | 4.00″ (grapefruit) | Weld County, CO |
| May 21, 1958 | 4.00″ (grapefruit) | Spink County, SD |
| May 28, 1958 | 3.00″ (teacup) | Morrill County, NE |
| May 30, 1958 | 3.00″ (teacup) | Dawes County, NE |
| May 10, 1958 | 2.75″ (baseball) | Tom Green County, TX |
| May 10, 1958 | 2.75″ (baseball) | Irion County, TX |
| May 11, 1958 | 2.75″ (baseball) | Lubbock County, TX |
| May 21, 1958 | 2.75″ (baseball) | Spink County, SD |
| May 4, 1958 | 2.50″ (tennis ball) | San Patricio County, TX |
Storm reports by state, May 1958
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Texas | 13 | 15 | 15 | 2.75″ |
| Missouri | 3 | 9 | 5 | 1.75″ |
| Colorado | 11 | 1 | 3 | 4.00″ |
| Nebraska | 9 | 2 | 4 | 3.00″ |
| Oklahoma | 8 | 3 | 4 | 2.00″ |
| Kansas | 9 | 2 | 3 | 2.00″ |
| Illinois | 2 | 2 | 9 | 1.00″ |
| Indiana | 1 | 9 | 2 | 1.50″ |
| Maryland | 5 | 5 | 2 | 1.75″ |
| Iowa | 4 | 5 | 1 | 8.00″ |
| South Dakota | 6 | 3 | 1 | 4.00″ |
| New Mexico | 2 | 2 | 5 | 1.50″ |
| Minnesota | 2 | 1 | 5 | 2.50″ |
| Alabama | 5 | 0 | 1 | 1.75″ |
| South Carolina | 1 | 2 | 2 | 0.75″ |
| Tennessee | 2 | 3 | 0 | 1.75″ |
| North Carolina | 2 | 2 | 0 | 2.00″ |
| New York | 2 | 2 | 0 | 1.50″ |
| Ohio | 0 | 3 | 1 | – |
| Utah | 1 | 3 | 0 | 1.25″ |
| Florida | 1 | 2 | 0 | 1.75″ |
| Wyoming | 3 | 0 | 0 | 1.50″ |
| California | 1 | 0 | 1 | 1.00″ |
| Idaho | 1 | 1 | 0 | 0.75″ |
| Louisiana | 0 | 2 | 0 | – |
| Michigan | 0 | 1 | 1 | – |
| Montana | 2 | 0 | 0 | 2.50″ |
| Oregon | 1 | 1 | 0 | 0.75″ |
| Virginia | 0 | 2 | 0 | – |
| Wisconsin | 0 | 0 | 2 | – |
| Arkansas | 1 | 0 | 0 | 0.75″ |
| Arizona | 0 | 0 | 1 | – |
| Connecticut | 0 | 1 | 0 | – |
| Kentucky | 0 | 0 | 1 | – |
| Mississippi | 0 | 1 | 0 | – |
| North Dakota | 0 | 0 | 1 | – |
| Vermont | 0 | 1 | 0 | – |
| West Virginia | 0 | 1 | 0 | – |
Every storm day in May 1958
May 1 May 2 May 3 May 4 May 5 May 6 May 7 May 8 May 9 May 10 May 11 May 12 May 13 May 14 May 15 May 16 May 17 May 18 May 19 May 21 May 22 May 23 May 24 May 25 May 26 May 27 May 28 May 29 May 30 May 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.