Knox County, Nebraska tornadoes

Checking live National Weather Service warnings for Knox County...

47confirmed tornadoes since NOAA records began in 1950 (the first here in 1950). Most recent: October 4, 2013, EF3. 2026 so far: 0 preliminary reports preliminary

Join the free alerts waiting list
Map

Every tornado path in the county

Tornado paths, 1950 to 2025
Use two fingers to move the map
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Knox County

Loading warnings...

The record

At a glance

Total471950 to 2025
Per year0.6average since 1950
Peak monthMay21 of 47
StrongestF3May 6, 1975
Deaths1whole paths, see note
Injuries107whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Knox County.

Seasons

When tornadoes hit here

By month

210 Jan: 0Feb: 0Mar: 1Apr: 6May: 21Jun: 11Jul: 2Aug: 2Sep: 0Oct: 4Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

May is the peak month, with 21 of 47 tornadoes.

By time of day

100 12 AM: 0: 0: 03 AM: 0: 1: 06 AM: 0: 0: 09 AM: 1: 0: 012 PM: 1: 5: 23 PM: 3: 10: 56 PM: 3: 4: 89 PM: 2: 0: 212 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

70 1950: 1: 0: 0: 0: 0: 0: 1: 0: 0: 21960: 2: 0: 0: 0: 0: 0: 0: 0: 1: 01970: 0: 1: 1: 0: 0: 3: 1: 1: 0: 01980: 2: 1: 0: 0: 1: 2: 2: 0: 0: 01990: 0: 0: 4: 0: 2: 0: 2: 0: 1: 32000: 0: 0: 0: 1: 1: 0: 0: 7: 0: 12010: 0: 0: 2: 1: 0: 0: 0: 0: 0: 02020: 0: 0: 0: 0: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
26
EF1
14
EF2
5
EF3
2

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Every tornado

All 47 tornadoes, newest first

Tornadoes, newest first
DateRatingPath lengthWidthDeathsInjuries
Oct 4, 2013EF36.43 mi590 yd00
Apr 15, 2012EF00.45 mi25 yd00
Apr 15, 2012EF00.4 mi40 yd00
Mar 23, 2009EF11.79 mi75 yd00
May 5, 2007EF03.5 mi100 yd00
May 5, 2007EF25.5 mi500 yd03
May 5, 2007EF18.93 mi440 yd00
May 5, 2007EF05.26 mi150 yd00
May 5, 2007EF02.95 mi100 yd00
May 5, 2007EF01.54 mi200 yd00
May 5, 2007EF011.36 mi100 yd00
Jul 15, 2004F00.1 mi80 yd00
Jun 9, 2003F00.1 mi40 yd00
May 3, 1999F0n/a20 yd00
May 3, 1999F0n/a20 yd00
May 3, 1999F06 mi70 yd00
Jul 6, 1998F02 mi50 yd00
Oct 26, 1996F00.2 mi10 yd00
Jun 19, 1996F00.5 mi20 yd00
Apr 25, 1994F17 mi200 yd01
Apr 25, 1994F01.5 mi23 yd00
May 15, 1992F10.5 mi50 yd00
May 15, 1992F11 mi80 yd00
May 15, 1992F11 mi80 yd00
May 15, 1992F10.5 mi50 yd00
Nearby

Nearby counties

Coming soon

Free tornado alerts for Knox County

We are building free email alerts for tornado warnings. Join the waiting list and we will email you once when they are ready. Until then, please rely on the National Weather Service and your phone's emergency alerts.

Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.