200
Recorded events
0
Direct deaths
1
Direct injuries
$316K
Property damage
Thunderstorm Wind in Hill County, Montana: 200 recorded events between 1957 and 2025. The strongest on record measured 122. That places the county #1,032 nationally and #11 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Hill County, Montana: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Hill County is the 2010s, when 53 of the county's 200 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 Hill County archive, thunderstorm wind makes up 58.3% of all recorded severe weather across 7 hazard types. Nationally the county sits at #1,032 for this hazard and #11 within Montana, putting it in the 67.0 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for thunderstorm wind in Hill County with 70 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 |
|---|---|---|---|---|---|
| Sep 1, 2004 | HAVRE | 56 | 0 | 1 | $10K |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Aug 20, 2025 | (HVR)HAVRE CITY-CO A | 65 | $0 |
| Aug 20, 2025 | ASSINNIBOINE | 55 | $0 |
| Aug 20, 2025 | (HVR)HAVRE CITY-CO A | 50 | $0 |
| Aug 20, 2025 | INVERNESS | 59 | $0 |
| Aug 20, 2025 | HAVRE | 50 | $0 |
| Aug 20, 2025 | SIMPSON | 52 | $0 |
| Aug 20, 2025 | GILDFORD | 54 | $0 |
| Aug 20, 2025 | SIMPSON | 55 | $0 |
| Aug 20, 2025 | COLD STONE | 56 | $0 |
| Aug 20, 2025 | INVERNESS | 57 | $0 |
Other hazards here
More from Hill County
- Hail 112
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Several branches down in Havre. Damage and branch sizes are estimated. One was approximately 8 to 10 inches in diameter, but it came from a dead tree. The other one was from a live tree that was possibly 2 inches in diameter.
A thunderstorm produced a wind gust to 95 mph at Rudyard. The storm broke tree branches up to 8 inches in diameter, knocked down a metal shed bolted to a concrete foundation and blew a trampoline into power lines. Power was reported out in Rudyard.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Hill County, Montana?
200 thunderstorm wind events are recorded in Hill County between 1957 and 2025, causing 0 direct deaths.
What is the strongest thunderstorm wind recorded in Hill County?
The strongest thunderstorm wind on record in Hill County measured 122.
Where does the thunderstorm wind data for Hill 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
“Thunderstorm Wind in Hill County, Montana.” Severe Weather History. severeweatherhistory.com/county/montana/hill-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.