TornadoLookup

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Johnson County, Nebraska

Tornadoes, hail, floods and severe storms recorded here between 1954 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

22
Tornado reports
123
Hail reports
13
Floods since 1996
377
All events
1
Deaths
$5.4M
Property damage

Tornado paths in Johnson County

The part of each tornado’s path NOAA recorded in this county, 22 in all. Zoom in and the paths widen to their surveyed width.

EF0EF1EF2EF3EF4EF5Unrated

Year by year

19542026
Hover or tap a bar to see that 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.

November 25, 2018 · Johnson, Nebraska
Blizzard Blizzard1 death
Blizzard conditions were observed by the COOP weather observer. Snow amounts up to 9 were reported in the county. An elderly Johnson county farmer passed away after running his vehicle into a ditch and not being rescued in time.
April 27, 1989 · Johnson, Nebraska
Tornado F1 Tornado$2.5M damage
May 18, 2026 · Johnson, Nebraska
Flash Flood Flash Flood
In the late afternoon and early evening of May 18, 2026, severe thunderstorms and heavy rain triggered flash flooding across central Johnson County. Because the area was already saturated from several consecutive days of rain, the ground could not absorb the sudden deluge. Driven…
May 18, 2026 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Personal weather station measured wind gust of 66 mph.
May 18, 2026 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Storm chaser report of several tree limbs down, some large. Time estimated with radar. Winds were estimated at 70-80 mph.
May 18, 2026 · Johnson, Nebraska
Tornado EF1 Tornado
A tornado developed in open fields near the intersection of 625 Avenue and 725 Road, and moved quickly east. The tornado damaged many trees, flipped pivots, and destroyed at least two large farm sheds. The damage along the track was somewhat sporadic at times, and this concentrat…
May 16, 2026 · Johnson, Nebraska
Flash Flood Flash Flood
On the evening of May 16, 2026, repeated rounds of heavy rainfall triggered flash flooding across northern Johnson County. A public report was received of flash flooding with creeks overflowing and yard flooding. The surge was driven by an intense downpour with rainfall rates of …
April 23, 2026 · Johnson, Nebraska
Hail Hail
Law enforcement report relayed via emergency manager of hail measured up to 1 inch in diameter near Tecumseh, NE.
April 23, 2026 · Johnson, Nebraska
Hail Hail
Public report of hail estimated up to 1.25 inches in diameter near Tecumseh, NE.
April 23, 2026 · Johnson, Nebraska
Hail Hail
Public report of hail measured up to 1.75 inches in diameter near Tecumseh, NE.
April 23, 2026 · Johnson, Nebraska
Hail Hail
Delayed emergency management report of hail measured up to 2 inches in diameter near Tecumseh, NE. Time estimated with radar.
April 23, 2026 · Johnson, Nebraska
Hail Hail
Delayed public report of hail measured up to 2.00 inches in diameter near Tecumseh, NE. Time estimated with radar.
April 23, 2026 · Johnson, Nebraska
Hail Hail
Delayed public report received via social media of hail measured up to 1.25 inches in diameter near Cook, NE. Time estimated with radar.
April 23, 2026 · Johnson, Nebraska
Hail Hail
Trained spotter report of hail estimated up to 1 inch in diameter mixed with a lot of pea sized hail near Elk Creek, NE.
September 17, 2025 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Delayed report from emergency management of a 2 foot diameter tree down, stop sign blown over, outdoor awning thrown over fence, and various other smaller branches down within an approximately 1 block radius of the Tecumseh post office. Time estimated from radar.
August 10, 2025 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Emergency Management reported of 6 to 8 inch tree limbs broken. Time estimated by radar. Winds gusted to an estimated 80 mph.
July 27, 2025 · Johnson, Nebraska
Excessive Heat Excessive Heat
Personal weather station measured heat index of 112 degrees.
June 20, 2025 · Johnson, Nebraska
Excessive Heat Excessive Heat
While no observations were available within the county, ASOS/AWOS and personal weather stations in surrounding counties measured heat index values of 109 to 111 degrees.
April 23, 2025 · Johnson, Nebraska
Hail Hail
Public estimated hail up to 0.75 in diameter from an mPING report.
April 23, 2025 · Johnson, Nebraska
Hail Hail
Law enforcement reported measured hail up to 1 in diameter.
March 14, 2025 · Johnson, Nebraska
High Wind High Wind
Trained spotter estimated 50-60 mph wind gusts.
March 14, 2025 · Johnson, Nebraska
Hail Hail
Trained spotter report of measured 1 inch hail.
March 4, 2025 · Johnson, Nebraska
Blizzard Blizzard
General snowfall amounts of 3 to 4 inches throughout the county. While there is no ASOS/AWOS observations in the county, surrounding conditions supporting blizzard criteria. Wind gusts up to 70 mph.
March 4, 2025 · Johnson, Nebraska
High Wind High Wind
No observations in the county, though surrounding conditions support High Wind Warning, with a 70 mph gust just outside the eastern edge of the county.
February 19, 2025 · Johnson, Nebraska
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Interpolation of nearby observations suggests wind chill got as low as -32 in the county.
February 11, 2025 · Johnson, Nebraska
Winter Storm Winter Storm
The office received snowfall reports of 5.5 to 7.0 across the county from Emergency Management, Trained Spotters and the public. The heaviest snowfall was estimated across the eastern portion of the county.
July 31, 2024 · Johnson, Nebraska
Excessive Heat Excessive Heat
A combination of hot temperatures and high dew points brought excessive heat during the afternoon hour for portions of the county. Though no official observations came from the county, its proximity to other counties with observed excessive heat indices supports the likelihood th…
July 15, 2024 · Johnson, Nebraska
Excessive Heat Excessive Heat
Heat indices up to 114 impacted portions of the county for a few hours during the afternoon.
June 15, 2024 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
A trained spotter reported a 60 miles per hour wind gust. This event was edited to correct an error in the LSR database. The original report was accidentally put relative to the town of Johnson, Nebraska instead of Johnson County.
June 15, 2024 · Johnson, Nebraska
Tornado EFU Tornado
The office received an eyewitness report and photo evidence of a tornado in an open field that began just northeast of the James N. Douglas Wildlife Management Area and tracked for approximately a half mile before losing visual in the rain. The width of the tornado was estimated …
January 12, 2024 · Johnson, Nebraska
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chills across the county dropped under 35 degrees below zero every night during the duration of this event. The coldest wind chills were felt on January 13th and 14th. The coldest recorded wind chill in the county was minus 39 degrees, observed in Cook on the morning of the …
January 11, 2024 · Johnson, Nebraska
Winter Storm Winter Storm
An estimated 5 to 8 inches of snow fell across the county from this winter storm. This included a public report of 7.5 inches of snow in Sterling, and 5 inches of snow in Tecumseh. Peak wind gusts across the county were estimated to be between 35 and 40 miles per hour. This inclu…
January 8, 2024 · Johnson, Nebraska
Winter Storm Winter Storm
An estimated 6 to 9 inches of snow fell across the region for this winter storm. This includes public reports of 9 inches from Virginia, 7 inches from Sterling, and 7 inches from Tecumseh. Blowing and drifting snow was noted on the morning of the 9th as strong winds on the back o…
August 25, 2023 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Public reported several tree limbs down.
August 19, 2023 · Johnson, Nebraska
Excessive Heat Excessive Heat
For 7 days, the high temperature 1 mile south of Tecumseh reached at least 101 for all but August 20. The highest observed temperature was 104, occurring on August 24 and August 25.
July 28, 2023 · Johnson, Nebraska
Excessive Heat Excessive Heat
Interpolation of area observations show that the county had a heat index near and above 110 for approximately 4 hours.
July 4, 2023 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Public reported via mPING: 3-inch tree limbs broken.
July 4, 2023 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Public reported via mPING: 3-inch tree limbs broken.
June 29, 2023 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Public reported via mPing: 1-inch tree limbs broken; Shingles blown off.
June 1, 2023 · Johnson, Nebraska
Flood Flood
Public reported 4.24 inches of rainfall. Approximately 6-inches of water flooded their driveway and barn.
April 14, 2023 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Public reported from Mping of 1-inch tree limbs broken or shingles blown off.
February 16, 2023 · Johnson, Nebraska
Winter Storm Winter Storm
COOP Observer reported 9-inches of snowfall.
December 22, 2022 · Johnson, Nebraska
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Interpolation of ground stations near the area had Johnson County mostly below -30 wind chills for approximately 27 hours.
September 17, 2022 · Johnson, Nebraska
Hail Hail
Public reported 1-inch hail.
August 19, 2022 · Johnson, Nebraska
Hail Hail
Public reported quarter to half dollar sized hail.
June 11, 2022 · Johnson, Nebraska
Hail Hail
Public reported slightly larger than golf ball sized hail and significant damage to siding and crops.
June 11, 2022 · Johnson, Nebraska
Thunderstorm Wind Thunderstorm Wind
Public reported tree limbs broken; shingles blown off roof.
June 7, 2022 · Johnson, Nebraska
Hail Hail
Public reported hail lasting for 8 inches with largest size at 1.5 inches.
June 7, 2022 · Johnson, Nebraska
Hail Hail
Emergency manager reported a hail damage swatch with signifiant damage to four houses and crops. Hail ranged from quarter to golf ball sized.
June 7, 2022 · Johnson, Nebraska
Hail Hail
Trained spotter reported 1 inch hail.
Events by year, as a table
YearEventsTornadoes
2026121
2025120
202471
202390
2022130
202170
202080
2019130
2018171
201760
201610
2015150
201450
201390
2012173
2011170
2010130
2009150
2008140
2007100
2006161
2005140
200480
200370
200220
2001212
200070
199950
199840
199790
1996200
199554
199410
199330
199243
198911
198710
198620
198510
198410
198331
198211
198130
197910
197830
197610
197431
197310
197110
196710
196510
196410
196110
195720
195422