Thunderstorm Wind in Powder River County, Montana

Thunderstorm Wind in Powder River County, Montana: 139 recorded events between 1975 and 2025. The strongest on record measured 90. That places the county #1,665 nationally and #17 statewide for this hazard.

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

The busiest decade for thunderstorm wind in Powder River County is the 2010s, when 45 of the county's 139 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 Powder River County archive, thunderstorm wind makes up 24.0% of all recorded severe weather across 7 hazard types. Nationally the county sits at #1,665 for this hazard and #17 within Montana, putting it in the 47.0 percentile of all U.S. counties.

Jul is the peak month for thunderstorm wind in Powder River County with 65 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.

• Hail 373

Written by National Weather Service staff at the time of the event · public domain

How many thunderstorm wind events are on record in Powder River County, Montana?

139 thunderstorm wind events are recorded in Powder River County between 1975 and 2025, causing 0 direct deaths.

What is the strongest thunderstorm wind recorded in Powder River County?

The strongest thunderstorm wind on record in Powder River County measured 90.

Where does the thunderstorm wind data for Powder River 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.