South Sioux storm history
Storm events recorded in South Sioux, Nebraska between 1950 and 2025.
75
Total events
0
Tornadoes
0
Hail
0
Floods
0
Deaths
$0
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
High Wind High Wind
Peak wind gust of 65 MPH measured at Agate Nebraska.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Overnight low temperatures fell to between -15 F and -20 F across southern Sioux County from 1/20 into 1/21, with daytime highs generally remaining under 0 F during the afternoon on 1/20. The cold temperatures combined with gusty winds resulted in a prolonged period of extreme wi…
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
A second wave of extreme cold occurred across southern Sioux County from 1/15 through 1/16, with minimum observed air temperatures ranging from -20 F to -30 F. The cold temperatures combined with gusty winds resulted in a prolonged period of extreme wind chills under -40 F. Minim…
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Overnight low temperatures fell to between -15 F and -25 F across southern Sioux County from 1/12 into 1/13, with daytime highs generally remaining under -5 F during the afternoon on 1/13. The cold temperatures combined with gusty winds resulted in a prolonged period of extreme w…
Winter Weather Winter Weather
An official NWS Cooperative Observer located 3 miles E of Agate measured 5 inches of snow.
Heavy Snow Heavy Snow
Report of 8.5 inches at Agate Fossil Beds.
Winter Storm Winter Storm
An official observer at Agate Fossil Beds National Monument recorded a 48-hour snowfall of 12.0 inches through 9:00 AM MDT on 4/4.
Winter Weather Winter Weather
Received report from Agate Fossil Beds of 10.3 inches of snowfall spread out over a 3 day period.
Heavy Snow Heavy Snow
Spotter located 5 miles north of Morrill in southern Sioux County reported heavy snow of 9.5 inches. Snow reached 6 inches at 6AM on the 18th of January at location.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Overnight low temperatures fell to as low as -23 F across southern Sioux County from 12/21 into 12/22, with daytime highs generally remaining under -10 F during the afternoon on 12/22. Sustained winds 15-25 MPH resulted in a prolonged period of extreme wind chills under -30 F. Th…
Blizzard Blizzard
Nearby reports of whiteout conditions due to falling and blowing snow on the 13th through early on the 15th. RAWS mesonet station Agate (AGTN1) reported winds 35 to 45 mph during this time. Additionally, Nebraska Highway 29 was closed through Sioux County for an extended period o…
High Wind High Wind
RAWS mesonet station Agate (AGTN1) measured maximum wind gust 3 miles east-northeast of Agate.
High Wind High Wind
Agate RAWS site reported gust to 57 mph at 1113AM.
Heavy Snow Heavy Snow
Public report of 6 inches of snow 25 miles north northeast of Torrington, Wyoming in southern Sioux County.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
A minimum wind chill of -33 degrees F was observed 11 S of Agate around 3:00 AM MST on 2/22.
High Wind High Wind
Union Pacific Railroad mesonet station along the Wyoming border measured maximum wind gust.
High Wind High Wind
A UPR sensor (SHPCR1) located approximately 13 miles WSW of Agate along the border of Goshen County (WY) and southern Sioux County (NE) recorded a peak wind gust to 60 MPH at 1:00 PM MST.
Heavy Snow Heavy Snow
A member of the public (via Twitter) reported 9 inches of snow 22 miles west of Hemingford in southern Sioux County.
Blizzard Blizzard
Reported blizzard conditions 6 miles east-northeast of Agate with one quarter mile visibility and strong winds most of the day Sunday. Nearby RAWS mesonet station Agate reported wind gusts 40 to 50 MPH.
Heavy Snow Heavy Snow
Observer located eight miles north of Morrill measured 10.0 inches of snowfall.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
U.S. Climate Reference Network site at the Agate Fossil Beds National Monument measured the period of sub minus 30 wind chills. With area ranchers in calving season, many had to prepare additional feed and wind breaks to keep herd alive along with heavy snow during portion of the…
Heavy Snow Heavy Snow
Observer located eight miles east-northeast of Torrington measured 7.0 inches of snowfall.
High Wind High Wind
Agate sensor located three miles east-northeast of Agate measured the reported wind gust.
Heavy Snow Heavy Snow
Spotter nine miles northeast of Henry reported 6.0 inches of snow at 25/1251. Highest snow reported was five miles northeast of Henry with 7.0 inches at 25/1255PM.
Heavy Snow Heavy Snow
Observer located twenty-three miles north-northeast of Torrington measured 8.0 inches of snowfall shortly after 6 PM on the 28th.
Blizzard Blizzard
Observer located five miles northeast of Henry reported blizzard conditions with six to eight inches of new snowfall along with ice accumulation of half an inch.
Heavy Snow Heavy Snow
Observer located three miles east of Agate measured a total snowfall of 8.0 inches.
Blizzard Blizzard
Sensor at Agate had blizzard condition winds during this snow event. Given the strength of winds gusting from thirty-five to thirty-nine for this stretch, blizzard conditions are assumed to have occurred.
Blizzard Blizzard
Sensor operated by Bureau of Land Management and National Park Service by Agate measured wind gusts in excess of 50 mph.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Agate Fossil Bed sensor located three miles east-northeast of Agate measured a minimum wind chill of minus 36.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Nebraska Department of Roads sensor south of Agate measured a minimum wind chill of minus 30.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Nebraska Department of Roads sensor at Highway 29 and Cut Across Road or ten miles south of Agate measured wind chills from minus 30 to minus 35.
Heavy Snow Heavy Snow
Plainsview ranch observer seventeen miles southeast of Agate reported heavy snowfall measuring 8.0 inches.
Winter Storm Winter Storm
Five to six inches of snow was observed at Agate.
Heavy Snow Heavy Snow
Five to six inches of snow was observed at Agate.
Winter Storm Winter Storm
Four to six inches of wet snow was observed in and around Agate. Strong winds to 40 mph created near-blizzard conditions from blowing snow.
Winter Storm Winter Storm
Six inches of snow was observed at Agate.
High Wind High Wind
The NEDOR sensor at Highway 20 and Cut Across Road mile post 34 measured sustained winds of 40 mph or higher.
Winter Storm Winter Storm
Six inches of snow was observed at Agate.
Winter Storm Winter Storm
Six inches of snow was reported at Agate.
Winter Storm Winter Storm
Six inches of snow was observed at Agate.
High Wind High Wind
The RAWS sensor at Agate measured sustained winds of 40 mph or higher.
High Wind High Wind
The RAWS sensor at Agate measured sustained winds of 40 mph or higher.
High Wind High Wind
The NEDOR wind sensor at Highway 29 mile post 34 measured sustained winds of 40 mph or higher.
Winter Storm Winter Storm
Ten to eighteen inches of snow was observed, heaviest near the Scotts Bluff County line.
Winter Storm Winter Storm
An observer 12 miles southeast of Agate measured 10.5 inches of snow.
Winter Storm Winter Storm
Four to six inches of snow was reported countywide. Gusty northwest winds of 35 to 45 mph created low visibility in blowing snow.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Sustained winds of 20 to 25 mph combined with temperatures of -20 to -25 degrees produced lowest wind chill temperatures of -40 to -50 degrees.
Winter Storm Winter Storm
Six to eight inches of snow was reported. Agate received seven inches of snow.
High Wind High Wind
The NEDOR sensor on Highway 29 mile marker 34 measured sustained winds of 40 mph or higher.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 2 | 0 |
| 2024 | 3 | 0 |
| 2023 | 4 | 0 |
| 2022 | 7 | 0 |
| 2021 | 7 | 0 |
| 2020 | 1 | 0 |
| 2019 | 8 | 0 |
| 2018 | 8 | 0 |
| 2017 | 6 | 0 |
| 2016 | 9 | 0 |
| 2015 | 4 | 0 |
| 2014 | 5 | 0 |
| 2013 | 6 | 0 |
| 2012 | 2 | 0 |
| 2010 | 1 | 0 |
| 2009 | 2 | 0 |