113
Recorded events
0
Direct deaths
2
Direct injuries
$3.1M
Property damage
Hail in Sioux County, North Dakota: 113 recorded events between 1980 and 2025. The strongest on record measured 5. That places the county #1,278 nationally and #44 statewide for this hazard.
Decade by decade
Hail in Sioux County, North Dakota: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for hail in Sioux County is the 2010s, when 46 of the county's 113 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 Sioux County archive, hail makes up 54.6% of all recorded severe weather across 7 hazard types. Nationally the county sits at #1,278 for this hazard and #44 within North Dakota, putting it in the 58.7 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for hail in Sioux County with 43 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jul 14, 2010 | CANNON BALL | 5 | 0 | 2 | $1.5M |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 13, 2025 | CANNON BALL | 1 | $0 |
| Sep 12, 2025 | SOLEN | 1.25 | $0 |
| Sep 12, 2025 | SOLEN | 1.5 | $0 |
| Aug 29, 2024 | SELFRIDGE | 1.75 | $0 |
| Aug 28, 2024 | SELFRIDGE | 1 | $0 |
| May 20, 2024 | SOLEN | 1.5 | $0 |
| May 20, 2024 | SELFRIDGE | 1.5 | $0 |
| May 20, 2024 | SELFRIDGE | 1.75 | $0 |
| May 20, 2024 | SELFRIDGE | 1 | $0 |
| Aug 1, 2023 | SELFRIDGE | 1 | $30K |
Other hazards here
More from Sioux County
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A North Dakota state record tying hailstone of five inches in diameter fell at Prairie Knights Casino and Resort. The resort, and all vehicles outside, sustained severe damage from the extreme hail. One of these large hail stones crashed through the windshield of a car, injuring the two occupants. This tied the record size five inch diameter hailstone in Mercer County on August 3, 1969.
Quick answers
Frequently asked
How many hail events are on record in Sioux County, North Dakota?
113 hail events are recorded in Sioux County between 1980 and 2025, causing 0 direct deaths.
What is the strongest hail recorded in Sioux County?
The strongest hail on record in Sioux County measured 5.
Where does the hail data for Sioux 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.
Cite this page
“Hail in Sioux County, North Dakota.” Severe Weather History. severeweatherhistory.com/county/north-dakota/sioux-county/hail/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.