Wind River Basin storm history
Storm events recorded in Wind River Basin, Wyoming between 1950 and 2025.
151
Total events
0
Tornadoes
0
Hail
0
Floods
1
Deaths
$2.2M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
A 48-year-old woman was killed when her light truck rolled four times north of Shoshoni near milepost 105.6 on U.S. Highway 20. Several other accidents were reported including a three car pileup that sent three people to the hospital with non-life threatening injuries.
High Wind High Wind
High wind occurred in portions of the Wind River Basin. The highest gust was 67 mph at the Riverton airport.
High Wind High Wind
At the Riverton airport, wind gusted as high as 74 mph. A tree was blown down in a neighborhood near the Riverton high school.
Heat Heat
It was a record warm month at the Riverton airport. The December average temperature of 35.3 degrees beat the old record of 29.8 degrees set in 2021. The period of record dates back to 1996.
Winter Storm Winter Storm
A CocoRaHs observer reported 10 inches of snow near Fort Washakie. Amounts in Riverton generally ranged from 4 to 8 inches.
Winter Storm Winter Storm
Snowfall amounts around Riverton ranged from 7 to 12 inches, including 7.8 inches at the Riverton Weather Forecast Office.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Several hours with apparent temperatures in the -35 to -40 range near Kinnear and Pavillion.
Wildfire Wildfire
Heat Heat
The Riverton airport had a record high temperature of 90 degrees. This was the latest high temperature in the 90s in station history.
Heat Heat
High Wind High Wind
A maximum wind gust of 62 mph occurred at the Sharpnose RAWS site. The Riverton Airport had a maximum wind gust of 60 mph.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Temperatures fell as low as 35 below zero at Riverton.
Winter Storm Winter Storm
Heavy snow fell in portions of the area, especially from Hudson to Riverton where 12 to 21 inches of snow fell. Snowfall amounts dropped further north, with generally less than 6 inches around Shoshoni.
High Wind High Wind
A 58 mph wind gust occurred at the Riverton airport.
High Wind High Wind
A 62 mph wind gust was reported at the Riverton airport.
Winter Storm Winter Storm
New snowfall amounts around the Wind River Basin ranged from 7 inches at Hudson to 10.5 inches at the National Weather Service office to the northwest of Riverton.
Winter Storm Winter Storm
Snowfall amounts around the Wind River Basin ranged from 7 inches at Shoshoni to 11 inches in Riverton.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Very cold temperatures occurred in the Wind River Basin, with the coldest temperatures in the lowest elevations. The coldest temperature reported was minus 41 near Hudson. Many other locations had low temperatures under minus 30 including minus 38 at Shoshoni and minus 38 in Rive…
Winter Storm Winter Storm
A storm total snowfall of 7.1 inches occurred at the Riverton Weather Forecast Office.
Winter Storm Winter Storm
Heavy snow fell through much of the Wind River Basin. Snowfall amounts ranged from 7.9 inches at Shoshoni to 14.5 inches to the west of Riverton.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
An all time low temperature occurred at the Riverton Airport, with a low of minus 31. In the city of Riverton, cold air pooled and brought low temperatures as low as minus 43 in town. Wind chill temperatures dropped as low as minus 58 at Pavillion. The Arctic Front was accompanie…
Winter Storm Winter Storm
Most of the area received over 6 inches of snow, including 8 to 11 inches around the city of Riverton.
Heat Heat
The ASOS weather station at the Riverton Airport (Central Wyoming Airport) observed record high temperatures on 6 consecutive days. Highs were 90 or greater on the first 8 days of the month. The high temperature of 100 F on September 4th is the all time high for September, as wel…
High Wind High Wind
A maximum wind gust of 68 mph was reported at the Riverton airport.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
A combination of fresh snow and a clear sky brought very cold temperatures to the Wind River Basin. The low of 13 below zero at the Riverton ASOS was the all-time coldest temperature so late in the season. Temperatures in the town of Riverton were even colder, falling as low as 2…
Winter Storm Winter Storm
Trained spotters measured 7 to 9 inches of new snow around the city of Riverton. Amounts dropped sharply to the west and east of town.
High Wind High Wind
The ASOS at Central Wyoming Regional Airport in Riverton measured a maximum wind gust of 64 mph.
High Wind High Wind
A 62 mph wind gust was reported at the Sharpnose RAWS. The ASOS at Central Wyoming Regional Airport in Riverton reported a peak gust to 58 mph.
High Wind High Wind
A peak wind gust of 61 mph was registered at Central Wyoming Regional Airport in Riverton.
Winter Storm Winter Storm
A trained spotter reported 8 inches of snow in Hudson. Amounts dropped sharply farther north with Riverton reporting anywhere from 2 to 4 inches of snow.
Avalanche Avalanche
The Lander Airport recorded a maximum wind gust of 60 mph.
Heat Heat
The recorded high temperature at Central Wyoming Regional Airport set a record three days in a row. Record high temperatures of 96, 97 and 100 were recorded on July 25th, 26th and 27th, respectively.
Heat Heat
A record high temperature of 100 degrees was reported at Central Wyoming Regional Airport on July 18th.
Heat Heat
A high temperature of 102 degrees was record in downtown Riverton, Wyoming on the 15th on June. The ASOS at the Riverton airport had a high temperature of 100 on the same day.
High Wind High Wind
A retired NWS employee reported a 66 mph gust west of Riverton, Wyoming.
High Wind High Wind
A 63 mph wind gust was reported in Shoshoni, Wyoming.
Winter Storm Winter Storm
Snowfall amounts around Riverton, Wyoming ranged from 6 to 12 inches. At the National Weather Service office, 7.7 inches of snow fell. The snow caused slick roads around the area and lead to closure of several school districts.
High Wind High Wind
A 60 mph wind gust was recorded at the Riverton, Wyoming airport.
Winter Weather Winter Weather
Please see episode for description.
Winter Weather Winter Weather
A retired NWS meteorologist measured 10 inches of snow near Boysen Dam where a convective snow band set up. Amounts dropped sharply further south with around three inches in Shoshoni, Wyoming.
High Wind High Wind
High winds were reported around the Wind River Basin, including a maximum gust of 66 mph at the Riverton, Wyoming airport. In Riverton, Wyoming, a sheet metal roof was peeled off of an auto repair shop.
High Wind High Wind
High winds occurred through much of the Wind River Basin. The strongest gust reported was 68 mph at the Riverton airport.
High Wind High Wind
Winds gusted as high as 64 mph at Pavillion, Wyoming.
High Wind High Wind
Mesonet station CAMW4, Muddy Gap, 7 miles southwest, reported a measured 72 mph wind gust.
High Wind High Wind
Several wind gusts past 58 mph were recorded at the Riverton, Wyoming airport, including a maximum gust of 69 mph.
High Wind High Wind
A 61 mph gust was reported near Hudson, Wyoming.
Cold/Wind Chill Cold/Wind Chill
The Riverton, Wyoming airport had a record low temperatures of 9 below zero. This tied the all time October monthly record low. Hudson, Wyoming had a low temperature of 14 below zero and Pavillion, Wyoming fell to 15 below zero.
High Wind High Wind
At the Riverton airport and Pavillion, Wyoming, 60 mph wind gusts were recorded.
High Wind High Wind
A wind gust of 59 mph was reported at the Riverton, Wyoming airport.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 6 | 0 |
| 2024 | 5 | 0 |
| 2023 | 8 | 0 |
| 2022 | 7 | 0 |
| 2021 | 15 | 0 |
| 2020 | 16 | 0 |
| 2019 | 4 | 0 |
| 2018 | 1 | 0 |
| 2017 | 8 | 0 |
| 2016 | 4 | 0 |
| 2015 | 6 | 0 |
| 2014 | 4 | 0 |
| 2013 | 6 | 0 |
| 2012 | 6 | 0 |
| 2011 | 5 | 0 |
| 2010 | 8 | 0 |
| 2009 | 6 | 0 |
| 2008 | 5 | 0 |
| 2007 | 5 | 0 |
| 2006 | 2 | 0 |
| 2005 | 2 | 0 |
| 2004 | 4 | 0 |
| 2003 | 6 | 0 |
| 2002 | 3 | 0 |
| 1999 | 2 | 0 |
| 1996 | 7 | 0 |