Southwest Big Horn Basin storm history
Storm events recorded in Southwest Big Horn Basin, Wyoming between 1950 and 2025.
76
Total events
0
Tornadoes
0
Hail
2
Floods
0
Deaths
$127K
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
High Wind High Wind
A Thermopolis weather sensor gusted to 60 mph.
High Wind High Wind
A maximum wind gust of 63 mph was reported at the Warm Springs weather sensor.
Winter Storm Winter Storm
A COOP observer reported 7 inches of snow in Thermopolis.
Winter Storm Winter Storm
Trained spotters reported 4 to 7 inches around Thermopolis.
High Wind High Wind
Wind gusts as high as 69 mph were reported on the south side of Thermopolis.
Winter Storm Winter Storm
A trained spotter reported 8 inches of snow near Lucerne.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Temperatures fell as low as 37 below zero to the northeast of Thermopolis.
Winter Storm Winter Storm
In the vicinity of Lucerne, 7 to 8 inches of snow fell.
Strong Wind Strong Wind
Winter Storm Winter Storm
Locally heavy snow fell to the west of Thermopolis, with 7 inches of snow near Hamilton Dome. Amounts dropped sharply from Thermopolis and eastward.
Winter Storm Winter Storm
A trained spotter reported 7 inches of new snow in Luzerne.
Winter Storm Winter Storm
A COOP observer measured 9 inches of snow in Luzerne.
Winter Storm Winter Storm
Heavy snow fell around Thermopolis and Luzerne, with 6 to 10 inches measured through the area.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Low temperatures at Thermopolis and Kirby dropped to 30 below zero.
Winter Storm Winter Storm
A trained spotter reported 8.5 inches of new snow near Lucerne. Six inches of snow was reported in Thermopolis.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Bitterly cold wind chill temperatures occurred in the southwestern Bighorn Basin. Kirby was the cold spot with a low temperature of 39 below zero and a wind chill temperature of 48 below zero.
Winter Storm Winter Storm
Snow amounts between Thermopolis and Luzerne generally ranged from 6 to 8 inches.
Winter Storm Winter Storm
A trained spotter measured 8.5 inches of snow in Thermopolis.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Temperatures fell as low as 17 below zero in Hot Springs County.
Cold/Wind Chill Cold/Wind Chill
A cooperative weather observer northeast of Thermopolis reported a low temperature of 20 below zero.
High Wind High Wind
High winds, with a peak gust of 65 mph, occurred at Thermopolis.
Winter Storm Winter Storm
Heavy snow fell in portions of Hot Springs County. A trained spotter reported 6.5 inches to the northeast of Thermopolis.
Heat Heat
The hottest temperature recorded during the heatwave was 104 degrees on June 15th.
Winter Storm Winter Storm
Snowfall amounts around Thermopolis, Wyoming ranged from 6 to 8 inches.
High Wind High Wind
A maximum wind gust of 61 mph was reported in Thermopolis, Wyoming.
Avalanche Avalanche
Very cold temperatures hit portions of Natrona County, Wyoming. The Hot Springs County Airport dropped to 21 below zero.
High Wind High Wind
A maximum wind gust of 65 mph was reported in Thermopolis, Wyoming.
Cold/Wind Chill Cold/Wind Chill
Temperatures fell as low as minus 15 in the lower elevations of Hot Springs County, Wyoming, including 14 below at the Hot Springs County, Wyoming airport.
Winter Storm Winter Storm
Heavy snow fell in Hot Springs County. Snow amounts around Thermopolis, Wyoming, ranged from 6 to 10 inches.
Winter Storm Winter Storm
Trained spotters measured anywhere from 6 to 8 inches around the area.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Temperatures around Hot Springs county, Wyoming dropped as low as 10 below zero.
High Wind High Wind
High wind gusts occurred over Thermopolis for several minutes, including a maximum of 63 mph.
Winter Storm Winter Storm
Heavy snow fell around Thermopolis where up to a foot of new snow fell. Amounts lessened further north as the upslope component from the Owl Creek Mountains lessened.
Winter Storm Winter Storm
Heavy snow fell throughout much of Hot Springs County. Amounts of 6 to 10 inches were measured through Thermopolis to 12 inches 8 miles WNW of Thermopolis.
Winter Storm Winter Storm
Trained spotters measured anywhere from 3 to 9 inches around Thermopolis.
High Wind High Wind
A pair of 59 mph wind gusts were reported in Thermopolis.
High Wind High Wind
A pair of weather stations in Thermopolis reported wind gusts of 62 mph.
Winter Storm Winter Storm
Trained spotters measured 7 to 10 inches of new snow around the city of Thermopolis.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
A weather station 9 miles northeast of Thermopolis recorded a low temperatures of minus 33 degrees.
Winter Storm Winter Storm
A spotter measured 7 inches of snow in Thermopolis.
Winter Storm Winter Storm
Snow fall amounts ranged from 6 to almost 9 inches throughout the Southwest Big Horn Basin.
Winter Storm Winter Storm
Around Thermopolis 6 to 8 inches of snow was measured.
High Wind High Wind
Peak gusts of 63 and 60 mph were measured at the fire station in Thermopolis.
Winter Storm Winter Storm
Trained spotters reported anywhere from 8 to 14 inches across Thermopolis.
Cold/Wind Chill Cold/Wind Chill
The cooperative observer near Lucerne recorded an overnight low of -38F on Wednesday morning, December 31. The same location had 20 inches of snow on the ground.
Winter Storm Winter Storm
Heavy snow fell throughout Hot Springs County. The heaviest amounts were near Thermopolis where totals were 12 to 16 inches.
Winter Storm Winter Storm
Heavy snow fell across portions of Hot Springs County. The highest amount was 9 miles NE of Thermopolis near Lucerne where 13 inches of snow was measured.
Winter Storm Winter Storm
Trained spotters reported from 8 to 10 inches of snow around Thermopolis.
Winter Storm Winter Storm
A trained spotter reported 7 inches of snow in Thermopolis.
Winter Storm Winter Storm
There were several reports of 6 to 16 inches of snow around Thermopolis.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 4 | 0 |
| 2024 | 3 | 0 |
| 2023 | 8 | 0 |
| 2022 | 6 | 0 |
| 2021 | 6 | 0 |
| 2020 | 2 | 0 |
| 2019 | 3 | 0 |
| 2018 | 2 | 0 |
| 2017 | 5 | 0 |
| 2016 | 4 | 0 |
| 2015 | 1 | 0 |
| 2014 | 4 | 0 |
| 2013 | 2 | 0 |
| 2012 | 4 | 0 |
| 2010 | 1 | 0 |
| 2009 | 2 | 0 |
| 2008 | 1 | 0 |
| 2007 | 2 | 0 |
| 2004 | 1 | 0 |
| 2003 | 3 | 0 |
| 2002 | 1 | 0 |
| 1997 | 1 | 0 |
| 1996 | 10 | 0 |