Knox storm history
Storm events recorded in Knox, Nebraska between 1950 and 2025.
755
Total events
46
Tornadoes
315
Hail
41
Floods
1
Deaths
$13.0M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado EF3 Tornado
This EF3 tornado touched down approximately 2 miles southeast of Creighton. The tornado was initially weak with damage confined to softwood trees, irrigation systems, and siding and shingle damage. The tornado initially traveled north crossing highway 59 less than 1 mile to the e…
This is for flooding along the Niobrara River. The river gauge at Verdel, operated by the USGS, peaked at 19.38 feet at 6 pm on March 13th. Major flood stage is 10 feet. This peak is the highest on record. This gauge was destroyed by ice and floodwaters during the event. The high…
A hail storm began northwest of Crofton Nebraska and cut a half mile wide swath of damage down to Hartington in Cedar county. Hail, which at times was baseball size, was driven by 50 mph winds causing extensive damage to cars, windows, siding, roofs and crops in the area. Insuran…
High Wind High Wind
Personal weather station measured wind gust of 63 mph near Creighton, NE and 61 mph near Crofton, NE.
High Wind High Wind
Personal weather station measured wind gust of 62 mph near Creighton, NE.
High Wind High Wind
No observations within the county. Estimated maximum wind gusts of 55-65 mph based on surrounding observations.
Thunderstorm Wind Thunderstorm Wind
Personal weather station measured wind gust of 58 mph.
Hail Hail
Emergency management report of hail measured up to 1 inch in diameter. Time estimated from radar.
Excessive Heat Excessive Heat
Personal weather station measured heat index of 116 degrees.
Hail Hail
Trained spotter report of hail estimated up to 1 inch in diameter.
Hail Hail
Trained spotter report of hail nearing tennis ball-size from chaser live stream. Time estimated from radar on Highway 14 West of Winnetoon, NE.
Drought Drought
D2 (severe) drought conditions at the beginning of the month saw significant improvement and were eliminated by mid-month with D1 (moderate) drought persisting in only a small portion of the county. Observers at Crofton, Crofton 4.4 WNW, and Orchard 9NNE recorded 7.65, 6.48, and …
Excessive Heat Excessive Heat
Personal weather station measured heat index of 114 and 115 degrees.
Hail Hail
Report of hail, mostly dime sized but a few quarter sized hail stones mixed in.
Drought Drought
D3 (extreme) drought conditions at the beginning of the month improved to D1 (moderate) drought across much of the county, though a small area of D2 (severe) drought persisted in west-central Knox County. Rainfall for the month was near-average across most of the county. The coop…
Drought Drought
D2 (severe) drought continued across the southwest portion of the county through May, with a narrow sliver of D3 (extreme) drought conditions along the southwestern county border. The cooperative observers at Crofton, Orchard 9NNE and Verdel 6SSE recorded 4.01, 5.24, and 4.65 inc…
Hail Hail
Drought Drought
Severe (D2) drought conditions persisted across roughly the southwestern third of Knox county in April. The cooperative observers at Verdel 6SSE and Orchard 9NNE recorded 1.89 and 1.29 inches of precipitation for the month, respectively. These values were 1.18 and 1.64 inches bel…
Winter Storm Winter Storm
Generally 1 to 2 of snow across the county. Wind gusts up to 53 mph brought blizzard-like condition.
High Wind High Wind
Personal weather station measured 53 mph wind gust. Surrounding conditions support High Wind Warning.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chill got as low as -36 in the county.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chill got as low as -31 in the county.
High Wind High Wind
Several hours of high winds were observed during the afternoon hours. The strongest observed wind gust in the county was 62 miles per hour, observed by a personal weather station at 1:30 pm CDT.
Thunderstorm Wind Thunderstorm Wind
Law enforcement reported damage to wind screens and trees at a food lot.
Hail Hail
Ping-pong ball sized hail was reported to have lasted about 20 minutes. The office received public reports of damage to vehicles, roofing and vegetation in the area.
Thunderstorm Wind Thunderstorm Wind
Estimated wind gusts up to 60 miles per hour were reported by the public resulting in numerous tree limbs blown down.
Thunderstorm Wind Thunderstorm Wind
A 58 miles per hour wind gust was measured by a personal weather station.
Hail Hail
The office received a report of golf ball sized hail from a trained spotter.
Hail Hail
The office received multiple public reports from the same location in Bloomfield over a 17 minute time span of hail ranging from 1 to 2 inches in diameter. Roof damage was also noted in the area.
Hail Hail
The office received a report of golf ball sized hail from a trained spotter.
Hail Hail
The office received a report of golf ball sized hail in Verdigre from a public source.
Flood Flood
Slow-moving training thunderstorms across north-central Nebraska dropped a large swath of 3 to 6 inches of rain in the Ponca Creek drainage basin the 20th into the 21st. This resulted in moderate flooding along Ponca Creek near Verdel. The creek crested at 15.71 feet at 0000 CDT …
Hail Hail
A swath of severe hail started in Bloomfield, Nebraska with half dollar sized hail being reported by the public on the north side of town. As the storm moved northeast, severe hail fell in mainly rural areas before entering the town of Crofton where golf ball sized hail was repor…
High Wind High Wind
The office received a public report that the roof of the hardware store in Bloomfield was blown off.
Winter Storm Winter Storm
Emergency Management submitted photos of snow and ice-covered roads at the intersection of Highway 12 and Highway 14 near Niobrara, NE at 8:00 am on the 25th. Road crews were unable to keep up with the snowfall at the time of the report. On the evening of the 25th into the early …
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 42 degrees, observed in Creighton on the evening of…
Winter Storm Winter Storm
An estimated 7 to 9 inches of snow fell across the county from this winter storm. This included a public report of 9 inches of snow out of Bloomfield, and another report of 7.5 inches of snow out of Crofton. Peak wind gusts across the region were estimated to be up to 30 miles pe…
Winter Storm Winter Storm
Around six to ten inches of snow fell across the county with the highest amounts being east near the Knox-Cedar county line. Observed wind gusts ranged between 30 and 40 miles per hour, particularly towards the end of the event. The highest snowfall report came out of Crofton whe…
Winter Storm Winter Storm
There were reports of 6 to 8 inches of snow across the county made by the public. The O'Neil ASOS reported near-blizzard conditions for 5 hours will visibilities consistency at half a mile, periodically dropping to a quarter mile. The 3-hour persistence was not met for blizzard c…
Excessive Heat Excessive Heat
For 3 days beginning on August 21, the high temperature 6 miles south-southeast of Verdel reached 100 The highest observed temperature was 108 on August 23. Dewpoint temperatures in the area were in the 70s which yielded a heat index of at least 110 all three days.
Hail Hail
Public reported 2.5-inch hail.
Hail Hail
Public reported 1-inch hail.
Thunderstorm Wind Thunderstorm Wind
A personal weather station measured a peak wind gust of 66 mph.
Hail Hail
Public reported hail larger than a quarter and small than a golf ball.
Hail Hail
Public reported 1.75-inch hail.
Hail Hail
Public reported hail larger thana golf ball but smaller than a tennis ball.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 19 | 0 |
| 2024 | 16 | 0 |
| 2023 | 27 | 0 |
| 2022 | 13 | 0 |
| 2021 | 6 | 0 |
| 2020 | 12 | 0 |
| 2019 | 20 | 0 |
| 2018 | 14 | 0 |
| 2017 | 9 | 0 |
| 2016 | 8 | 0 |
| 2015 | 17 | 0 |
| 2014 | 17 | 0 |
| 2013 | 21 | 1 |
| 2012 | 15 | 2 |
| 2011 | 25 | 0 |
| 2010 | 38 | 0 |
| 2009 | 29 | 1 |
| 2008 | 28 | 0 |
| 2007 | 33 | 7 |
| 2006 | 27 | 0 |
| 2005 | 32 | 0 |
| 2004 | 27 | 1 |
| 2003 | 31 | 1 |
| 2002 | 19 | 0 |
| 2001 | 17 | 0 |
| 2000 | 19 | 0 |
| 1999 | 19 | 3 |
| 1998 | 22 | 1 |
| 1997 | 27 | 0 |
| 1996 | 27 | 2 |
| 1995 | 4 | 0 |
| 1994 | 10 | 2 |
| 1993 | 4 | 0 |
| 1992 | 8 | 4 |
| 1991 | 2 | 0 |
| 1990 | 3 | 0 |
| 1989 | 2 | 0 |
| 1987 | 1 | 0 |
| 1986 | 7 | 2 |
| 1985 | 11 | 2 |
| 1984 | 7 | 1 |
| 1982 | 3 | 0 |
| 1981 | 6 | 1 |
| 1980 | 18 | 2 |
| 1979 | 6 | 0 |
| 1978 | 1 | 0 |
| 1977 | 2 | 1 |
| 1976 | 1 | 1 |
| 1975 | 2 | 2 |
| 1974 | 2 | 0 |
| 1973 | 2 | 0 |
| 1972 | 1 | 1 |
| 1971 | 2 | 1 |
| 1968 | 4 | 1 |
| 1967 | 1 | 0 |
| 1966 | 1 | 0 |
| 1963 | 1 | 0 |
| 1960 | 3 | 2 |
| 1959 | 2 | 2 |
| 1957 | 1 | 0 |
| 1956 | 1 | 1 |
| 1955 | 1 | 0 |
| 1950 | 1 | 1 |