East Sweetwater County, Wyoming
Tornadoes, hail, floods and severe storms recorded here between 2003 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
0
Tornado reports
0
Hail reports
0
Floods since 1996
156
All events
0
Deaths
$0
Property damage
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.
High Wind High Wind
A high based shower collapsed near the Southwest Wyoming Regional Airport to the east of Rock Springs and produced a 58 mph wind gust.
Winter Storm Winter Storm
A combination of heavy snow and winds gusting as high as 65 mph brought blizzard conditions to eastern Sweetwater County, leading to the closure of Interstate 80 for many hours.
Heat Heat
It was a record breaking second half of the month around Rock Springs. At the Sweetwater County airport, average daily temperatures from March 17 through March 30 averaged more than 17 degrees above normal. All but one of those days were more than 11 degrees above normal. Nine ne…
High Wind High Wind
Measured gusts of 62 mph at the Snow Springs Creek RAWS sensor.
High Wind High Wind
Wind gusts has high as 70 mph occurred at the Rock Springs Airport. Numerous locations along Interstate 80 had wind gusts to 64 mph.
High Wind High Wind
Measured gusts of 63 mph at the I80 Tipton WYDOT sensor and 61 mph at the Rock Springs Airport ASOS.
High Wind High Wind
High wind occurred in much of eastern Sweetwater County. The maximum gusts were at Bitter Creek, where 92 mph wind gusts damaged a WYDOT building. Interstate 80 was closed to commercial for much of the day.
High Wind High Wind
A 66 mph wind gust was reported at Wamsutter. The Southwest Wyoming regional airport had a maximum wind gust of 61 mph.
High Wind High Wind
A 63 mph wind gust was recorded at the Southwest Wyoming Regional Airport near Rock Springs. A 64 mph wind gust was recorded along Interstate 80 near Tipton.
High Wind High Wind
A 66 mph wind gust was reported along Interstate 80. At the Sweetwater County airport, a maximum wind gust of 61 mph was recorded.
High Wind High Wind
The strongest wind gust was 80 mph at the WYDOT sensor near Baxter Road along Interstate 80. The Sweetwater County airport east of Rock Springs had a maximum wind gust of 77 mph, as did the Snow Springs Creek RAWS. Multiple other 70 mph gusts in the region.
High Wind High Wind
A maximum wind gust of 67 mph was reported at a RAWS site to the southeast of Rock Springs.
Heat Heat
It was a record warm December at the Sweetwater County airport. The average temperature of 35.6 degrees beat the old record of 32.2 degrees set in 1980. The period of record dates back to 1948.
High Wind High Wind
Several wind sensors along Interstate 80 recorded wind gusts over 60 mph. The Sweetwater County airport to the east of Rock Springs recorded a wind gust of 62 mph.
High Wind High Wind
A 58 mph wind gust was reported at the Rock Springs Airport.
High Wind High Wind
Wind gusts as high as 60 mph occurred at the Southwest Wyoming Regional Airport near Rock Springs.
High Wind High Wind
Winter Storm Winter Storm
A trained spotter measured 14 inches of snow in Wamsutter. The heavy snow led to closure of Interstate 80.
High Wind High Wind
A 62 mph wind gust was reported at the Southwest Wyoming Regional airport.
Winter Weather Winter Weather
A snow squall brought visibility under one quarter of a mile along Interstate 80, bringing difficult travel conditions.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Temperatures well as low as 36 below zero at Wamsutter.
Winter Weather Winter Weather
A snow squall brought visibility of under a quarter mile to Eastern Sweetwater County.
High Wind High Wind
High wind occurred from Rock Springs to the Sweetwater County airport. The maximum wind gust recorded was 71 mph at the airport.
High Wind High Wind
A wind gust of 63 mph was reported at the Sweetwater County airport.
Blizzard Blizzard
Heavy snowfall amounts up to 20 inches combined with winds gusts up to 60 mph to bring an extended period of blizzard conditions. Interstate 80 was shut down for several days with many people having to be rescued from stranded vehicles. Travel was nearly impossible through the pe…
Blizzard Blizzard
Heavy snow fell throughout the area, with a maximum of 9 inches in Wamsutter. The snow combined with very strong winds, gusting to around 70 mph at times. The two combined to produce blizzard conditions for an extended period that brought closure of most roads for an extended per…
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Low temperatures under minus 20 were common across Eastern Sweetwater County. The lowest temperature recorded was minus 31 at Point of Rocks along Interstate 80.
Winter Storm Winter Storm
Heavy snow fell in portions of Eastern Sweetwater County, with a maximum snowfall of 16 inches at Wamsutter. The snow fell with wind gusting close to 50 mph, bringing blowing and drifting snow and resulting in a long closure of Interstate 80.
Winter Storm Winter Storm
An Arctic Front dropping southward brought snow squalls to much of Sweetwater County. Very strong wind accompanied the snow squalls with a maximum wind gust of 75 mph reported at the Sweetwater County airport. Wind gusts over 50 mph were reported along Interstate 80 to the Carbon…
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Bitterly cold temperatures occurred in Eastern Sweetwater County, especially eastern portions of the zone. Low temperatures fell as low as minus 31. The lowest wind chill temperature recorded was minus 52 at Point of Rocks with minus 49 at Continental Divide.
Winter Storm Winter Storm
A trained spotter reported 13 inches of snow at Wamsutter. Interstate 80 was closed for many hours by a combination of strong wind an blowing snow.
High Wind High Wind
A wind gust of 64 mph was reported at the Sweetwater County airport to the east of Rock Springs. The wind was accompanied by snow which brought very difficult travel conditions along Interstate 80.
Heat Heat
The Rock Springs Airport (Southwest Wyoming Regional Airport) had 6 consecutive days of record high temperatures in the 90s. The high temperatures of 93 F on the 4th and 7th are now tied for the all time high temperature for the month of September.
High Wind High Wind
Wind gusts as high as 60 mph were reported at the Sweetwater County Airport.
High Wind High Wind
High Wind High Wind
A maximum wind gust of 63 mph was reported at the Southwest Wyoming Regional airport near Rock Springs. A 61 mph gust was reported along Interstate 80 near the Sweetwater-Carbon county border.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Locations in East Sweetwater County saw temperatures fall below 20 below zero, including 24 below zero at Bitter Creek along Interstate 80.
Winter Storm Winter Storm
Please see Episode for a description.
High Wind High Wind
Winds gusted as high as 63 mph at the Snow Springs RAWS site. The ASOS at Southwest Wyoming Regional Airport near Rock Springs recorded a wind gust of 60 mph.
High Wind High Wind
A maximum wind gust of 63 mph was reported by the ASOS at Southwest Wyoming Regional Airport. A separate 63 mph wind gust was reported at the Snow Springs RAWS site southeast of Rock Springs.
Winter Weather Winter Weather
A snow squall accompanied by estimated wind gusts of 30 mph reduced visibility on I-80 in eastern Sweetwater County resulting in hazardous travel conditions.
High Wind High Wind
A wind gust of 70 mph occurred at Tipton along Interstate 80. A maximum wind gust of 63 mph occurred at the Southwest Wyoming Regional Airport east of Rock Springs.
Winter Weather Winter Weather
A snow squall continued east along Interstate 80 through eastern Sweetwater County. The squall produced wind gusts over 50 mph and near zero visibility. The squall brought dangerous travel conditions that resulted in the closure of the interstate.
High Wind High Wind
The ASOS at Southwest Wyoming Regional Airport east of Rock Springs recorded a peak wind gust of 62 mph.
High Wind High Wind
A 62 mph wind gust was reported at Southwest Wyoming Regional Airport.
Heat Heat
Daily high temperatures at Southwest Wyoming Regional Airport set records on July 26th and 27th. High temperatures of 93 and 92 were recorded, respectively.
Heat Heat
At the Southwest Wyoming Regional Airport east of Rock Springs, record high temperatures of 94 and 96 were recorded on July 18th and 19th, respectively.
Heat Heat
The highest temperature recorded at the Sweetwater County, Wyoming airport during the heat wave was 95 degrees on June 15th.
High Wind High Wind
A wind sensor along Interstate 80 reported a 63 mph just near Tipton, Wyoming.
High Wind High Wind
A 59 mph wind gusts was reported at the Sweetwater County airport east of Rock Springs, Wyoming.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 9 | 0 |
| 2025 | 5 | 0 |
| 2024 | 8 | 0 |
| 2023 | 6 | 0 |
| 2022 | 12 | 0 |
| 2021 | 14 | 0 |
| 2020 | 15 | 0 |
| 2019 | 8 | 0 |
| 2018 | 6 | 0 |
| 2017 | 7 | 0 |
| 2016 | 3 | 0 |
| 2015 | 5 | 0 |
| 2014 | 7 | 0 |
| 2013 | 8 | 0 |
| 2012 | 9 | 0 |
| 2011 | 5 | 0 |
| 2010 | 9 | 0 |
| 2009 | 5 | 0 |
| 2008 | 7 | 0 |
| 2007 | 2 | 0 |
| 2006 | 2 | 0 |
| 2004 | 3 | 0 |
| 2003 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in East Sweetwater County, measured to its path.
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