St. Charles County, Missouri tornadoes

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45confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: March 14, 2025, EF2. 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 St. Charles County

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The record

At a glance

Total451950 to 2025
Per year0.6average since 1950
Peak monthMay10 of 45
StrongestEF3Dec 10, 2021
Deaths1whole paths, see note
Injuries106whole paths, see note

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

Seasons

When tornadoes hit here

By month

100 Jan: 1Feb: 1Mar: 4Apr: 7May: 10Jun: 9Jul: 2Aug: 1Sep: 1Oct: 3Nov: 4Dec: 2JanFebMarAprMayJunJulAugSepOctNovDec

May is the peak month, with 10 of 45 tornadoes.

By time of day

60 12 AM: 1: 0: 23 AM: 2: 0: 06 AM: 0: 0: 19 AM: 2: 1: 112 PM: 1: 1: 33 PM: 3: 6: 26 PM: 3: 5: 69 PM: 2: 2: 112 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: 2: 0: 0: 2: 4: 01960: 1: 0: 0: 0: 0: 0: 1: 2: 0: 01970: 1: 0: 0: 1: 0: 0: 0: 0: 0: 01980: 1: 0: 0: 2: 0: 0: 0: 0: 2: 01990: 1: 0: 0: 2: 0: 0: 0: 0: 2: 02000: 0: 2: 0: 0: 2: 0: 1: 0: 0: 02010: 1: 2: 1: 1: 2: 1: 1: 2: 0: 12020: 0: 1: 0: 0: 2: 119501960197019801990200020102020

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
17
EF1
14
EF2
7
EF3
7

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

Deadliest

EF3, December 10, 2021

1 deaths, 2 injuries Strongest

EF3, December 10, 2021

27.3 mile path Longest path

31.71 miles, EF3

May 31, 2013, whole path Widest

1,760 yards, EF3

May 31, 2013
Every tornado

All 45 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Mar 14, 2025EF211.04 mi1,320 yd00
Nov 4, 2024EF06.08 mi75 yd00
May 7, 2024EF02.23 mi50 yd00
Dec 10, 2021EF327.3 mi150 yd12
May 21, 2019EF15.94 mi250 yd00
Apr 29, 2017EF03.85 mi100 yd00
Mar 6, 2017EF13.15 mi100 yd03
Apr 26, 2016EF00.32 mi50 yd00
Jun 28, 2015EF22.26 mi400 yd00
Sep 9, 2014EF01.69 mi25 yd00
Jun 7, 2014EF02.67 mi20 yd00
May 31, 2013EF331.71 mi1,760 yd08
Aug 31, 2012EF00.4 mi120 yd00
Apr 22, 2011EF17.35 mi250 yd00
Feb 27, 2011EF19.35 mi200 yd00
Dec 31, 2010EF01.96 mi50 yd00
Jan 2, 2006F00.5 mi40 yd00
Jun 18, 2004F02 mi40 yd00
May 27, 2004F00.2 mi50 yd00
Apr 10, 2001F11 mi100 yd00
Apr 10, 2001F04 mi50 yd00
May 23, 1998F12 mi70 yd01
Apr 13, 1998F018 mi50 yd00
Jul 31, 1993F00.3 mi30 yd00
Jul 31, 1993F00.4 mi30 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Apr 27, 20262 NE West AltonNot 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.

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.