Hail in Grady County, Oklahoma

Hail in Grady County, Oklahoma: 643 recorded events between 1956 and 2026. The strongest on record measured 4.5. That places the county #40 nationally and #8 statewide for this hazard.

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for hail in Grady County is the 1990s, when 164 of the county's 643 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Grady County archive, hail makes up 52.8% of all recorded severe weather across 7 hazard types. Nationally the county sits at #40 for this hazard and #8 within Oklahoma, putting it in the 98.8 percentile of all U.S. counties.

Apr is the peak month for hail in Grady County with 179 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

• Thunderstorm Wind 434
• Tornado 96

How many hail events are on record in Grady County, Oklahoma?

643 hail events are recorded in Grady County between 1956 and 2026, causing 0 direct deaths.

What is the strongest hail recorded in Grady County?

The strongest hail on record in Grady County measured 4.5.

Where does the hail data for Grady County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.