Boone County, Missouri tornadoes

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34confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: April 20, 2025, EF1. 2026 so far: 1 preliminary report preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(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 Boone County

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The record

At a glance

Total341950 to 2025
Per year0.4average since 1950
Peak monthApril8 of 34
StrongestF3Nov 27, 1990
Deaths0whole paths, see note
Injuries26whole paths, see note

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

Seasons

When tornadoes hit here

By month

80 Jan: 1Feb: 1Mar: 2Apr: 8May: 4Jun: 2Jul: 4Aug: 0Sep: 3Oct: 3Nov: 3Dec: 3JanFebMarAprMayJunJulAugSepOctNovDec

April is the peak month, with 8 of 34 tornadoes.

By time of day

60 12 AM: 1: 1: 13 AM: 1: 1: 16 AM: 1: 0: 09 AM: 0: 0: 212 PM: 0: 1: 03 PM: 5: 6: 56 PM: 2: 3: 09 PM: 2: 1: 012 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

40 1950: 0: 0: 0: 0: 1: 0: 1: 0: 0: 41960: 0: 0: 0: 0: 0: 1: 1: 0: 0: 01970: 0: 0: 1: 3: 0: 0: 0: 0: 0: 01980: 1: 0: 2: 0: 3: 1: 0: 1: 0: 01990: 2: 0: 2: 0: 0: 1: 0: 0: 1: 22000: 2: 1: 0: 0: 0: 0: 0: 0: 0: 02010: 0: 0: 0: 0: 0: 0: 1: 0: 0: 02020: 0: 0: 0: 0: 0: 219501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones. This year so far: 1 preliminary reports.

By rating

EF0
11
EF1
13
EF2
7
EF3
3

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

Strongest

F3, November 27, 1990

1 mile path Longest path

89.6 miles, F2

April 30, 1954, whole path Widest

400 yards, F2

December 4, 1956
Every tornado

All 34 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Apr 20, 2025EF12.31 mi100 yd00
Apr 20, 2025EF13.31 mi100 yd00
Jul 7, 2016EF00.34 mi50 yd00
May 17, 2001F00.1 mi50 yd00
Mar 26, 2000F10.3 mi150 yd00
Feb 25, 2000F00.2 mi50 yd00
Apr 8, 1999F210 mi120 yd00
Apr 8, 1999F24 mi120 yd05
Nov 10, 1998F32 mi70 yd016
Jul 8, 1995F00.2 mi80 yd00
Jul 2, 1992F00.2 mi23 yd00
Jul 2, 1992F10.5 mi50 yd00
Nov 27, 1990F312 mi50 yd03
Nov 27, 1990F31 mi50 yd00
Jun 2, 1987F01 mi20 yd01
Jun 17, 1985F11 mi100 yd00
Oct 16, 1984F14 mi50 yd00
Apr 29, 1984F10.3 mi10 yd00
Apr 3, 1984F10.3 mi27 yd00
May 29, 1982F10.1 mi20 yd00
Apr 16, 1982F00.3 mi50 yd00
May 12, 1980F242.7 mi50 yd00
Dec 4, 1973F00.1 mi10 yd00
May 26, 1973F23 mi50 yd01
Mar 13, 1973F16.1 mi50 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Apr 17, 2026HartsburgNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

Cities

Cities in Boone County

Each city page counts every tornado path within 10 miles of the city, including paths just over the county line.

Nearby

Nearby counties

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