Johnson County, Wyoming
Tornadoes, hail, floods and severe storms recorded here between 1961 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
23
Tornado reports
153
Hail reports
38
Floods since 1996
299
All events
0
Deaths
$2.4M
Property damage
Tornado paths in Johnson County
The part of each tornado’s path NOAA recorded in this county, 21 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
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.
The last in a series of thunderstorms on Wednesday, June 3, brought very heavy rain to Buffalo and the surrounding area. The ASOS at Johnson County Airport measured 0.98 inches of rain in less than 25 minutes as the storm moved north and then stalled over Buffalo. The ASOS record…
Thunderstorm Wind Thunderstorm Wind
A 58 mph wind gust occurred near Tisdale Mountain.
Thunderstorm Wind Thunderstorm Wind
A 58 mph wind gust occurred to the north of Mayoworth the the west of Interstate 25.
Thunderstorm Wind Thunderstorm Wind
There were hurricane force wind gusts along Interstate 90 to the east of Buffalo, with a maximum gust of 89 mph at the Indian Creek Road.
Hail Hail
Up to golf ball size hail fell in Crazy Woman Canyon, reported on the Johnson County Emergency Management Facebook page.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm wind occurred in southern Johnson County, with a maximum wind gust of 67 mph reported near Sussex.
Thunderstorm Wind Thunderstorm Wind
Wind gusts up to 64 mph occurred in southern Johnson County to the west of Kaycee.
Thunderstorm Wind Thunderstorm Wind
A 58 mph wind gust occurred at Indian Creek Road along Interstate 90.
High Wind High Wind
Around a 1 hour period of high wind occurred behind a cold front passage. The highest wind gust was 69 mph at the Johnson County airport.
Thunderstorm Wind Thunderstorm Wind
A 59 mph wind gust occurred along Interstate 90 to the north of Buffalo.
Thunderstorm Wind Thunderstorm Wind
A 63 mph gust was recorded on the south side of Buffalo. A 59 mph wind gust occurred at the Johnson County airport.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Wind gusts as high as 65 mph occurred at sensors near I-25 in southern Johnson County.
Hail Hail
The public reported ping pong ball sized hail along Interstate 25 to the south of Buffalo.
Hail Hail
The public reported penny sized hail at a gas station in Kaycee.
Thunderstorm Wind Thunderstorm Wind
A sheephearders monument was blown down near Tabletop Mountain in the Bighorn Mountain Range. Wind measurements from nearby sensors and structure damage support a 60 to 75 mph wind speed estimate.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Wind gusts of 60 mph occurred at the Johnson County Airport.
Thunderstorm Wind Thunderstorm Wind
A CWOP site in Buffalo reported a 65 mph wind gust. The ASOS at the Johnson County airport had a 60 mph gust.
Hail Hail
A trained spotter reported hail up to quarter size that accumulated 1 to 2 inches on the ground.
Thunderstorm Wind Thunderstorm Wind
A severe thunderstorm moved eastward across northern Johnson County and brought high wind gusts. Gusts as high as 73 mph occurred along Interstate 90 to the southeast of Buffalo. A 64 mph wind gust was measured at the Johnson County Airport near Buffalo.
Thunderstorm Wind Thunderstorm Wind
The Johnson County airport near Buffalo reported a wind gust of 60 mph.
Thunderstorm Wind Thunderstorm Wind
Flash Flood Flash Flood
Reports to Sheriffs office of minor flooding across some of the dirt roads in southwestern portions of Johnson county.
Hail Hail
Half dollar to golf ball size hail fell in and around Buffalo.
Hail Hail
Funnel Cloud Funnel Cloud
The public reported a funnel cloud to the east of Buffalo near TW Road.
Tornado EF0 Tornado
A rancher reported a brief touchdown of a tornado north of Kaycee to the Johnson County Sheriffs office.
Hail Hail
A supercell thunderstorm developed in the lee of the Bighorn range and brought large hail from Barnum to Kaycee. Hail the size of baseballs fell near Barnum with quarter size hail reported in Kaycee.
Flash Flood Flash Flood
See episode for a description.
Flood Flood
Thunderstorm Wind Thunderstorm Wind
A thunderstorm produced a microburst that brought tree damage in the vicinity of Doyle Creek Campground to the south of Hazelton in the Bighorn Range. Several trees were uprooted or snapped off above the ground.
Thunderstorm Wind Thunderstorm Wind
A maximum wind gust of 61 mph was reported at the Johnson County Airport near Buffalo.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
A wind gust of 58 mph was reported at the Johnson County Airport near Buffalo, WY.
Hail Hail
A trained spotter reported quarter size hail near Barnum, WY.
Thunderstorm Wind Thunderstorm Wind
A maximum wind gust of 61 mph was reported at the Johnson County Airport near Buffalo, WY. In the city of Buffalo, the public reported small limbs snapped off trees and a few shingles blown off roofs.
Hail Hail
Near Ucross, WY, ping pong ball sized hail was reported.
Thunderstorm Wind Thunderstorm Wind
ASOS recorded a peak wind gust of 63 mph.
Hail Hail
Trained spotters reported quarter-sized hail across portions of northern Johnson County to the east of Buffalo.
Hail Hail
The public reported penny size hail in eastern Johnson County, Wyoming.
Thunderstorm Wind Thunderstorm Wind
A maximum wind gust of 67 mph was recorded at the Johnson County airport near Buffalo.
Thunderstorm Wind Thunderstorm Wind
A line of thunderstorms brought severe thunderstorm winds to much of Johnson County. Some of the more notable wind gusts included 76 mph along Interstate 25 in southern Johnson County and 75 mph in northern Johnson County along Interstate 90.
Thunderstorm Wind Thunderstorm Wind
An outflow boundary moving into the area from the thunderstorms to the south brought high winds to the Buffalo, Wyoming airport. The maximum reported wind was 64 mph.
Hail Hail
A storm gathered strength as it moved in deeper moisture east of the Bighorn Mountains. And become severe near Buffalo, Wyoming. Hail from nickel to golf ball sized hail was reported.
Thunderstorm Wind Thunderstorm Wind
Pictures were posted on social media of a toppled outdoor play set and a roof was torn off a horse corral near Buffalo, Wyoming.
Hail Hail
A trained spotter reported nickel sized hail to the southeast of Buffalo, Wyoming.
Hail Hail
The public reported quarter size hail 28 miles east of Buffalo, Wyoming.
Thunderstorm Wind Thunderstorm Wind
A 62 mph wind gust was reported near Linch, Wyoming.
Thunderstorm Wind Thunderstorm Wind
An outflow boundary from thunderstorms to the north brought a 60 mph wind gust to the Buffalo, Wyoming airport.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 10 | 0 |
| 2025 | 8 | 0 |
| 2024 | 4 | 0 |
| 2023 | 8 | 1 |
| 2022 | 7 | 0 |
| 2021 | 3 | 0 |
| 2020 | 6 | 0 |
| 2019 | 15 | 1 |
| 2018 | 23 | 1 |
| 2017 | 6 | 1 |
| 2016 | 9 | 0 |
| 2015 | 17 | 0 |
| 2014 | 8 | 0 |
| 2013 | 18 | 0 |
| 2012 | 1 | 0 |
| 2011 | 3 | 0 |
| 2010 | 10 | 1 |
| 2009 | 15 | 0 |
| 2008 | 11 | 1 |
| 2007 | 12 | 0 |
| 2006 | 4 | 0 |
| 2005 | 4 | 0 |
| 2004 | 2 | 0 |
| 2003 | 6 | 0 |
| 2002 | 6 | 0 |
| 2001 | 11 | 0 |
| 2000 | 10 | 0 |
| 1999 | 6 | 1 |
| 1998 | 12 | 1 |
| 1997 | 2 | 0 |
| 1995 | 3 | 1 |
| 1994 | 3 | 0 |
| 1993 | 5 | 1 |
| 1990 | 2 | 0 |
| 1989 | 1 | 1 |
| 1987 | 4 | 1 |
| 1986 | 1 | 0 |
| 1984 | 3 | 0 |
| 1982 | 3 | 1 |
| 1979 | 6 | 5 |
| 1977 | 2 | 2 |
| 1976 | 1 | 0 |
| 1975 | 1 | 0 |
| 1974 | 1 | 1 |
| 1973 | 1 | 1 |
| 1971 | 1 | 1 |
| 1966 | 1 | 0 |
| 1965 | 1 | 0 |
| 1962 | 1 | 0 |
| 1961 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Johnson County, measured to its path.
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