Hail in Marshall County, Iowa

Hail in Marshall County, Iowa: 150 recorded events between 1960 and 2025. The strongest on record measured 3. That places the county #924 nationally and #39 statewide for this hazard.

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

The busiest decade for hail in Marshall County is the 2000s, when 52 of the county's 150 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 Marshall County archive, hail makes up 28.4% of all recorded severe weather across 8 hazard types. Nationally the county sits at #924 for this hazard and #39 within Iowa, putting it in the 70.2 percentile of all U.S. counties.

May is the peak month for hail in Marshall County with 39 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 210
• Heavy Rain 50

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

150 hail events are recorded in Marshall County between 1960 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Marshall County?

The strongest hail on record in Marshall County measured 3.

Where does the hail data for Marshall 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.