September 1966 storm reports: hail, wind and tornadoes
IndependentNot affiliated with NOAA or the National Weather Service.
In September 1966, 20 hail, 25 damaging-wind and 22 tornado reports were logged on 22 storm days across 20 states. The largest hail reported was 2.75″ (baseball size) in Minnehaha County, SD on September 10, 1966. The most hail reports came on September 17, 1966 (6).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← August 1966 All 1966 storm days October 1966 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of September 1966
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Sep 17, 1966 | 6 | 1 | 1 | 2.75″ | 3 |
| Sep 2, 1966 | 3 | 1 | 3 | 2.25″ | 3 |
| Sep 3, 1966 | 1 | 6 | 0 | 0.75″ | 4 |
| Sep 4, 1966 | 0 | 5 | 2 | – | 5 |
| Sep 10, 1966 | 3 | 1 | 1 | 2.75″ | 3 |
| Sep 13, 1966 | 2 | 2 | 1 | 2.00″ | 3 |
| Sep 19, 1966 | 0 | 1 | 4 | – | 1 |
| Sep 28, 1966 | 0 | 1 | 3 | – | 1 |
| Sep 26, 1966 | 2 | 1 | 0 | 1.75″ | 1 |
| Sep 7, 1966 | 0 | 0 | 2 | – | 2 |
Largest hail reported in September 1966
| Day | Size | Location |
|---|---|---|
| Sep 10, 1966 | 2.75″ (baseball) | Minnehaha County, SD |
| Sep 10, 1966 | 2.75″ (baseball) | Minnehaha County, SD |
| Sep 17, 1966 | 2.75″ (baseball) | Midland County, TX |
| Sep 2, 1966 | 2.25″ (hen egg) | Seward County, KS |
| Sep 12, 1966 | 2.00″ (hen egg) | Thomas County, KS |
| Sep 13, 1966 | 2.00″ (hen egg) | Ottawa County, KS |
| Sep 2, 1966 | 1.75″ (golf ball) | Seward County, KS |
| Sep 17, 1966 | 1.75″ (golf ball) | Terry County, TX |
| Sep 26, 1966 | 1.75″ (golf ball) | Howell County, MO |
| Sep 10, 1966 | 1.50″ (ping pong ball) | McCook County, SD |
Storm reports by state, September 1966
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Florida | 0 | 2 | 7 | – |
| Kansas | 6 | 1 | 2 | 2.25″ |
| Texas | 5 | 1 | 3 | 2.75″ |
| Oklahoma | 1 | 4 | 2 | 1.00″ |
| Missouri | 2 | 4 | 0 | 1.75″ |
| South Carolina | 0 | 2 | 4 | – |
| South Dakota | 3 | 2 | 0 | 2.75″ |
| North Carolina | 0 | 3 | 0 | – |
| New Mexico | 1 | 0 | 1 | 1.25″ |
| Arkansas | 0 | 1 | 0 | – |
| Arizona | 0 | 0 | 1 | – |
| Colorado | 1 | 0 | 0 | 1.00″ |
| Louisiana | 0 | 0 | 1 | – |
| Maine | 0 | 1 | 0 | – |
| Nebraska | 1 | 0 | 0 | 0.75″ |
| Nevada | 0 | 1 | 0 | – |
| New York | 0 | 1 | 0 | – |
| Ohio | 0 | 0 | 1 | – |
| Utah | 0 | 1 | 0 | – |
| Wyoming | 0 | 1 | 0 | – |
Every storm day in September 1966
Sep 1 Sep 2 Sep 3 Sep 4 Sep 5 Sep 6 Sep 7 Sep 8 Sep 10 Sep 12 Sep 13 Sep 14 Sep 15 Sep 17 Sep 18 Sep 19 Sep 21 Sep 24 Sep 26 Sep 27 Sep 28 Sep 29
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.