Hail in Sac County, Iowa

Hail in Sac County, Iowa: 110 recorded events between 1964 and 2025. The strongest on record measured 2.75. That places the county #1,317 nationally and #75 statewide for this hazard.

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

The busiest decade for hail in Sac County is the 2000s, when 41 of the county's 110 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 Sac County archive, hail makes up 37.7% of all recorded severe weather across 8 hazard types. Nationally the county sits at #1,317 for this hazard and #75 within Iowa, putting it in the 57.3 percentile of all U.S. counties.

May is the peak month for hail in Sac County with 33 recorded events, while Feb 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 99

How many hail events are on record in Sac County, Iowa?

110 hail events are recorded in Sac County between 1964 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Sac County?

The strongest hail on record in Sac County measured 2.75.

Where does the hail data for Sac 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.