Hail in Oliver County, North Dakota

Hail in Oliver County, North Dakota: 109 recorded events between 1974 and 2025. The strongest on record measured 3.5. That places the county #1,336 nationally and #46 statewide for this hazard.

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

The busiest decade for hail in Oliver County is the 2010s, when 29 of the county's 109 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 Oliver County archive, hail makes up 58.6% of all recorded severe weather across 6 hazard types. Nationally the county sits at #1,336 for this hazard and #46 within North Dakota, putting it in the 56.9 percentile of all U.S. counties.

Jun is the peak month for hail in Oliver County with 40 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 53

How many hail events are on record in Oliver County, North Dakota?

109 hail events are recorded in Oliver County between 1974 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Oliver County?

The strongest hail on record in Oliver County measured 3.5.

Where does the hail data for Oliver 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.