August 1957 storm reports: hail, wind and tornadoes
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In August 1957, 34 hail, 82 damaging-wind and 20 tornado reports were logged on 28 storm days across 32 states. The largest hail reported was 3.00″ (teacup size) in Laramie County, WY on August 2, 1957. The most hail reports came on August 12, 1957 (5).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← July 1957 All 1957 storm days September 1957 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of August 1957
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Aug 12, 1957 | 5 | 16 | 3 | 2.00″ | 11 |
| Aug 14, 1957 | 4 | 6 | 5 | 2.75″ | 6 |
| Aug 3, 1957 | 2 | 10 | 0 | 1.00″ | 8 |
| Aug 1, 1957 | 5 | 3 | 0 | 2.00″ | 6 |
| Aug 10, 1957 | 4 | 3 | 1 | 3.00″ | 3 |
| Aug 2, 1957 | 2 | 5 | 0 | 3.00″ | 6 |
| Aug 4, 1957 | 0 | 6 | 1 | – | 6 |
| Aug 5, 1957 | 2 | 3 | 1 | 1.25″ | 3 |
| Aug 13, 1957 | 1 | 5 | 0 | 3.00″ | 5 |
| Aug 15, 1957 | 1 | 3 | 2 | 1.75″ | 4 |
Largest hail reported in August 1957
| Day | Size | Location |
|---|---|---|
| Aug 2, 1957 | 3.00″ (teacup) | Laramie County, WY |
| Aug 10, 1957 | 3.00″ (teacup) | Liberty County, MT |
| Aug 13, 1957 | 3.00″ (teacup) | Wallace County, KS |
| Aug 14, 1957 | 2.75″ (baseball) | Big Stone County, MN |
| Aug 14, 1957 | 2.75″ (baseball) | Grant County, SD |
| Aug 31, 1957 | 2.75″ (baseball) | Butte County, SD |
| Aug 1, 1957 | 2.00″ (hen egg) | Yellowstone County, MT |
| Aug 1, 1957 | 2.00″ (hen egg) | Perkins County, SD |
| Aug 10, 1957 | 2.00″ (hen egg) | Blaine County, MT |
| Aug 10, 1957 | 2.00″ (hen egg) | Valley County, MT |
Storm reports by state, August 1957
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Montana | 10 | 7 | 0 | 3.00″ |
| Oklahoma | 3 | 7 | 3 | 1.75″ |
| North Dakota | 0 | 7 | 2 | – |
| Indiana | 1 | 7 | 0 | 1.75″ |
| South Dakota | 3 | 4 | 1 | 2.75″ |
| Nebraska | 2 | 3 | 2 | 1.25″ |
| Texas | 0 | 4 | 3 | – |
| Colorado | 3 | 2 | 1 | 1.00″ |
| Arizona | 0 | 1 | 4 | – |
| Georgia | 0 | 5 | 0 | – |
| Illinois | 1 | 4 | 0 | 0.75″ |
| Missouri | 0 | 5 | 0 | – |
| Minnesota | 2 | 2 | 0 | 2.75″ |
| South Carolina | 0 | 4 | 0 | – |
| Florida | 0 | 3 | 0 | – |
| Kansas | 1 | 2 | 0 | 3.00″ |
| Massachusetts | 1 | 2 | 0 | 1.75″ |
| Maryland | 2 | 1 | 0 | 2.00″ |
| North Carolina | 1 | 2 | 0 | 1.00″ |
| Virginia | 2 | 1 | 0 | 1.00″ |
| Arkansas | 0 | 2 | 0 | – |
| California | 0 | 2 | 0 | – |
| Utah | 0 | 1 | 1 | – |
| Alabama | 0 | 0 | 1 | – |
| Louisiana | 0 | 1 | 0 | – |
| Michigan | 0 | 1 | 0 | – |
| Mississippi | 0 | 0 | 1 | – |
| New York | 0 | 1 | 0 | – |
| Pennsylvania | 0 | 0 | 1 | – |
| Tennessee | 1 | 0 | 0 | 0.75″ |
| Vermont | 0 | 1 | 0 | – |
| Wyoming | 1 | 0 | 0 | 3.00″ |
Every storm day in August 1957
Aug 1 Aug 2 Aug 3 Aug 4 Aug 5 Aug 6 Aug 7 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 22 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.