Big Horn County, Montana
Tornadoes, hail, floods and severe storms recorded here between 1956 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
10
Tornado reports
248
Hail reports
24
Floods since 1996
476
All events
6
Deaths
$5.9M
Property damage
Tornado paths in Big Horn County
The part of each tornado’s path NOAA recorded in this county, 10 in all. Zoom in and the paths widen to their surveyed width.
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Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Around 4:15 PM MDT, a thunderstorm outflow moved through the Hardin area. It produced a wind gust of 62 mph in the 4:35 PM MDT observations from the Big Horn County Airport. Along with the outflow winds, blowing dust reduced visibility to less than a quarter mile on the AWOS. Thi…
A strong thunderstorm outflow passed over Crow Agency around 630pm with winds to 55 mph. A couple hours later, a shower with up to 20dbz moved over Crow Agency around 830pm, producing winds to 64 mph across a small area. A roof blew off an arbor, throwing it across the street, st…
Water was reported to be flowing over Highway 313 near Soap Creek. Heavy rainfall impacted streams draining into the St Xavier area. In addition, a body was found in a flooded vehicle at the Koyamas Pond recreation area near the Big Horn River.
Two fatalities, both drownings, occurred from a severe thunderstorm that moved across the Tongue River Reservoir. A man fell from a dock and a woman drowned when her small boat capsized as a result of very strong thunderstorm winds.
A 13 year old girl was stuck and killed by lightning on the Tongue River Reservoir.
From May 21st and even continuing into the month of June, extensive severe flooding occurred across Big Horn County from the Little Bighorn and Bighorn Rivers, as well as creeks and streams. An Incident Command Center was set up in Crow Agency where the Crow Tribal Chairman decla…
Heavy, wet snow with 4 to 5 foot drifts in the Decker and Kirby area along highway 314.
Hail Hail
Hail up to an inch in diameter reported by a spotter.
Thunderstorm Wind Thunderstorm Wind
Mesonet reported gusts up to 71 mph.
Thunderstorm Wind Thunderstorm Wind
AWOS station koou 2 WNW Hardin gusted to 59 mph.
Thunderstorm Wind Thunderstorm Wind
Busby S mesonet gusted to 65 mph.
Thunderstorm Wind Thunderstorm Wind
Lodge Grass W mesonet gusted to 80 mph.
Hail Hail
Reported from local spotter.
Hail Hail
From phone call.
Thunderstorm Wind Thunderstorm Wind
Blowing debris caused car damages at campground.
Thunderstorm Wind Thunderstorm Wind
Big Horn County Airport awos.
Hail Hail
Hail reported by mping.
Hail Hail
Hail 1.5 inches in diameter.
Hail Hail
Hail report.
Thunderstorm Wind Thunderstorm Wind
AWOS station 2 west northwest Hardin.
Hail Hail
Two and a half inch hail reported.
Hail Hail
Two and 3 quarters inch hail reported.
Hail Hail
One inch hail reported.
Hail Hail
Report from mping.
Hail Hail
Two inch hail reported.
Hail Hail
One and a half inch hail reported.
Thunderstorm Wind Thunderstorm Wind
Large tree limbs were reported to be broken.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Numerous grain bins were destroyed, along with other structural damage.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Hail Hail
Hail Hail
Flash Flood Flash Flood
The Department of Transportation reported that S-313 from mile post 18 to 19 had surface water hazards in all lanes.
Hail Hail
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Visibility was reported to be 1/2 mile from blowing dust.
Thunderstorm Wind Thunderstorm Wind
Several tree limbs were downed.
Thunderstorm Wind Thunderstorm Wind
A mobile home lost its roof.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Visibility was under a quarter mile due to blowing dust.
Hail Hail
Quarter size hail along with 50 to 60 mph winds were reported.
Thunderstorm Wind Thunderstorm Wind
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 5 | 0 |
| 2025 | 14 | 0 |
| 2024 | 10 | 0 |
| 2023 | 6 | 0 |
| 2022 | 13 | 0 |
| 2021 | 10 | 0 |
| 2020 | 3 | 0 |
| 2019 | 20 | 0 |
| 2018 | 15 | 1 |
| 2017 | 2 | 0 |
| 2016 | 4 | 0 |
| 2015 | 24 | 0 |
| 2014 | 15 | 0 |
| 2013 | 19 | 0 |
| 2012 | 3 | 0 |
| 2011 | 16 | 0 |
| 2010 | 13 | 0 |
| 2009 | 6 | 0 |
| 2008 | 27 | 0 |
| 2007 | 9 | 0 |
| 2006 | 30 | 0 |
| 2005 | 23 | 0 |
| 2004 | 4 | 0 |
| 2003 | 2 | 0 |
| 2002 | 16 | 0 |
| 2001 | 45 | 0 |
| 2000 | 20 | 0 |
| 1999 | 14 | 0 |
| 1998 | 12 | 0 |
| 1997 | 14 | 0 |
| 1996 | 21 | 2 |
| 1995 | 3 | 0 |
| 1994 | 1 | 0 |
| 1993 | 2 | 0 |
| 1992 | 2 | 0 |
| 1991 | 3 | 2 |
| 1990 | 1 | 0 |
| 1989 | 3 | 0 |
| 1984 | 3 | 2 |
| 1978 | 1 | 1 |
| 1976 | 1 | 0 |
| 1973 | 1 | 0 |
| 1970 | 1 | 0 |
| 1969 | 2 | 0 |
| 1968 | 2 | 1 |
| 1966 | 1 | 0 |
| 1965 | 2 | 1 |
| 1963 | 2 | 0 |
| 1962 | 2 | 0 |
| 1959 | 1 | 0 |
| 1958 | 6 | 0 |
| 1956 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Big Horn County, measured to its path.
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