March 1966 storm reports: hail, wind and tornadoes
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In March 1966, 51 hail, 36 damaging-wind and 13 tornado reports were logged on 17 storm days across 20 states. The largest hail reported was 2.00″ (hen egg size) in Osage County, OK on March 17, 1966. The most hail reports came on March 21, 1966 (15). Tornadoes killed 58.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← February 1966 All 1966 storm days April 1966 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of March 1966
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Mar 21, 1966 | 15 | 8 | 3 | 2.00″ | 6 |
| Mar 17, 1966 | 15 | 5 | 0 | 2.00″ | 3 |
| Mar 22, 1966 | 5 | 8 | 1 | 1.50″ | 5 |
| Mar 3, 1966 | 0 | 2 | 3 | – | 5 |
| Mar 23, 1966 | 0 | 5 | 0 | – | 1 |
| Mar 27, 1966 | 2 | 2 | 1 | 1.75″ | 1 |
| Mar 11, 1966 | 4 | 0 | 0 | 0.75″ | 1 |
| Mar 4, 1966 | 1 | 1 | 1 | 1.75″ | 3 |
| Mar 12, 1966 | 3 | 0 | 0 | 1.75″ | 1 |
| Mar 19, 1966 | 3 | 0 | 0 | 1.00″ | 1 |
Largest hail reported in March 1966
| Day | Size | Location |
|---|---|---|
| Mar 17, 1966 | 2.00″ (hen egg) | Osage County, OK |
| Mar 21, 1966 | 2.00″ (hen egg) | Cass County, IL |
| Mar 21, 1966 | 2.00″ (hen egg) | Menard County, IL |
| Mar 21, 1966 | 2.00″ (hen egg) | Louisa County, IA |
| Mar 28, 1966 | 2.00″ (hen egg) | Zavala County, TX |
| Mar 4, 1966 | 1.75″ (golf ball) | Calcasieu Parish, LA |
| Mar 12, 1966 | 1.75″ (golf ball) | Burnet County, TX |
| Mar 17, 1966 | 1.75″ (golf ball) | Harrison County, MO |
| Mar 17, 1966 | 1.75″ (golf ball) | Wyandotte County, KS |
| Mar 17, 1966 | 1.75″ (golf ball) | Clay County, MO |
Storm reports by state, March 1966
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Missouri | 9 | 8 | 1 | 1.75″ |
| Oklahoma | 13 | 4 | 0 | 2.00″ |
| Texas | 7 | 4 | 1 | 2.00″ |
| Illinois | 5 | 3 | 1 | 2.00″ |
| Iowa | 5 | 1 | 1 | 2.00″ |
| Kansas | 6 | 0 | 0 | 1.75″ |
| Wisconsin | 1 | 4 | 1 | 1.00″ |
| Ohio | 0 | 5 | 0 | – |
| North Carolina | 3 | 0 | 1 | 1.00″ |
| Florida | 1 | 2 | 0 | 0.75″ |
| Louisiana | 1 | 0 | 1 | 1.75″ |
| Michigan | 0 | 1 | 1 | – |
| Mississippi | 0 | 0 | 2 | – |
| Alabama | 0 | 0 | 1 | – |
| Georgia | 0 | 1 | 0 | – |
| Massachusetts | 0 | 0 | 1 | – |
| North Dakota | 0 | 1 | 0 | – |
| Nebraska | 0 | 1 | 0 | – |
| New Jersey | 0 | 1 | 0 | – |
| Washington | 0 | 0 | 1 | – |
Every storm day in March 1966
Mar 1 Mar 2 Mar 3 Mar 4 Mar 5 Mar 11 Mar 12 Mar 14 Mar 17 Mar 19 Mar 21 Mar 22 Mar 23 Mar 27 Mar 28 Mar 29 Mar 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.