Hail in Sweet Grass County, Montana

Hail in Sweet Grass County, Montana: 130 recorded events between 1955 and 2025. The strongest on record measured 2.5. That places the county #1,105 nationally and #24 statewide for this hazard.

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

The busiest decade for hail in Sweet Grass County is the 2010s, when 69 of the county's 130 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 Sweet Grass County archive, hail makes up 69.1% of all recorded severe weather across 8 hazard types. Nationally the county sits at #1,105 for this hazard and #24 within Montana, putting it in the 64.5 percentile of all U.S. counties.

Jun is the peak month for hail in Sweet Grass County with 49 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.

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

130 hail events are recorded in Sweet Grass County between 1955 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Sweet Grass County?

The strongest hail on record in Sweet Grass County measured 2.5.

Where does the hail data for Sweet Grass 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.