Hail in Carter County, Montana

Hail in Carter County, Montana: 290 recorded events between 1960 and 2025. The strongest on record measured 4.5. That places the county #337 nationally and #6 statewide for this hazard.

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

The busiest decade for hail in Carter County is the 2000s, when 115 of the county's 290 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 Carter County archive, hail makes up 63.5% of all recorded severe weather across 8 hazard types. Nationally the county sits at #337 for this hazard and #6 within Montana, putting it in the 89.2 percentile of all U.S. counties.

Jun is the peak month for hail in Carter County with 107 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 121

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

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

What is the strongest hail recorded in Carter County?

The strongest hail on record in Carter County measured 4.5.

Where does the hail data for Carter 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.