Carter County, Montana tornadoes

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18confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: July 19, 2019, EF1. 2026 so far: 0 preliminary reports 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 Carter County

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The record

At a glance

Total181950 to 2025
Per year0.2average since 1950
Peak monthJune9 of 18
StrongestEF3Jun 17, 2014
Deaths0whole paths, see note
Injuries0whole paths, see note

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

Seasons

When tornadoes hit here

By month

90 Jan: 0Feb: 0Mar: 0Apr: 0May: 2Jun: 9Jul: 6Aug: 1Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 9 of 18 tornadoes.

By time of day

60 12 AM: 1: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 1: 0: 13 PM: 2: 0: 66 PM: 1: 3: 39 PM: 0: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 5:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

40 1950: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 0: 1: 0: 0: 0: 11970: 0: 1: 0: 0: 0: 0: 0: 0: 1: 01980: 0: 0: 0: 0: 0: 1: 1: 0: 0: 01990: 0: 1: 0: 0: 0: 0: 0: 0: 0: 02000: 0: 0: 0: 0: 0: 1: 0: 0: 1: 02010: 0: 1: 0: 0: 1: 1: 0: 0: 4: 12020: 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
9
EF1
7
EF2
1
EF3
1

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

EF3, June 17, 2014

10 mile path Longest path

30 miles, F0

June 6, 2005, whole path Widest

880 yards, EF3

June 17, 2014
Every tornado

All 18 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jul 19, 2019EF10.5 mi100 yd00
Jun 28, 2018EF26.6 mi200 yd00
Jun 28, 2018EF00.01 mi25 yd00
Jun 28, 2018EF04 mi50 yd00
Jun 28, 2018EF010 mi50 yd00
Jun 19, 2015EF01 mi50 yd00
Jun 17, 2014EF310 mi880 yd00
Jun 12, 2011EF15.21 mi100 yd00
Aug 10, 2008EF00.01 mi50 yd00
Jun 6, 2005F030 mi100 yd00
Jul 10, 1991F00.1 mi10 yd00
May 11, 1986F10.2 mi10 yd00
May 30, 1985F00.1 mi10 yd00
Jul 18, 1978F10.1 mi10 yd00
Jun 3, 1971F12 mi10 yd00
Jul 15, 1969F10.1 mi10 yd00
Jul 19, 1965F00.1 mi10 yd00
Jul 26, 1954F12.7 mi17 yd00
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.