Hail in Big Horn County, Montana

Hail in Big Horn County, Montana: 247 recorded events between 1956 and 2025. The strongest on record measured 4. That places the county #448 nationally and #10 statewide for this hazard.

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

The busiest decade for hail in Big Horn County is the 2000s, when 96 of the county's 247 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 Big Horn County archive, hail makes up 56.3% of all recorded severe weather across 9 hazard types. Nationally the county sits at #448 for this hazard and #10 within Montana, putting it in the 85.6 percentile of all U.S. counties.

Jun is the peak month for hail in Big Horn County with 121 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 148

How many hail events are on record in Big Horn County, Montana?

247 hail events are recorded in Big Horn County between 1956 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Big Horn County?

The strongest hail on record in Big Horn County measured 4.

Where does the hail data for Big Horn 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.