Hail in Mountrail County, North Dakota

Hail in Mountrail County, North Dakota: 188 recorded events between 1964 and 2025. The strongest on record measured 4.5. That places the county #686 nationally and #19 statewide for this hazard.

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

The busiest decade for hail in Mountrail County is the 2010s, when 70 of the county's 188 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 Mountrail County archive, hail makes up 46.0% of all recorded severe weather across 8 hazard types. Nationally the county sits at #686 for this hazard and #19 within North Dakota, putting it in the 77.9 percentile of all U.S. counties.

Jul is the peak month for hail in Mountrail County with 72 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 144

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

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

What is the strongest hail recorded in Mountrail County?

The strongest hail on record in Mountrail County measured 4.5.

Where does the hail data for Mountrail 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.