Hail in Linn County, Iowa

Hail in Linn County, Iowa: 389 recorded events between 1956 and 2026. The strongest on record measured 2.75. That places the county #178 nationally and #2 statewide for this hazard.

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

The busiest decade for hail in Linn County is the 2010s, when 143 of the county's 389 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 Linn County archive, hail makes up 33.2% of all recorded severe weather across 8 hazard types. Nationally the county sits at #178 for this hazard and #2 within Iowa, putting it in the 94.3 percentile of all U.S. counties.

Apr is the peak month for hail in Linn County with 141 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 574
• Tornado 64
• Flash Flood 58

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

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

What is the strongest hail recorded in Linn County?

The strongest hail on record in Linn County measured 2.75.

Where does the hail data for Linn 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.