Fergus County, Montana tornadoes

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28confirmed tornadoes since NOAA records began in 1950 (the first here in 1964). Most recent: June 28, 2005, F0. 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 Fergus County

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The record

At a glance

Total281950 to 2025
Per year0.4average since 1950
Peak monthJune13 of 28
StrongestF2Jul 20, 1964
Deaths0whole paths, see note
Injuries3whole paths, see note

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

Seasons

When tornadoes hit here

By month

130 Jan: 0Feb: 0Mar: 0Apr: 1May: 1Jun: 13Jul: 6Aug: 7Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 13 of 28 tornadoes.

By time of day

60 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 1: 0: 23 PM: 4: 3: 56 PM: 3: 2: 69 PM: 0: 2: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 8:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

60 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01970: 0: 1: 0: 0: 0: 1: 1: 0: 0: 01980: 0: 1: 0: 0: 0: 0: 0: 0: 1: 01990: 0: 1: 0: 1: 0: 0: 1: 1: 3: 62000: 1: 0: 3: 1: 1: 3: 0: 0: 0: 02010: 0: 0: 0: 0: 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
20
EF1
2
EF2
6

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

F2, July 20, 1964

2 mile path Longest path

11 miles, F0

June 28, 2002, whole path Widest

200 yards, F2

July 8, 2002
Every tornado

All 28 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 28, 2005F00.3 mi5 yd00
Jun 25, 2005F01 mi8 yd00
Jun 17, 2005F00.1 mi5 yd00
Jun 5, 2004F02 mi100 yd00
Apr 25, 2003F02 mi25 yd00
Aug 5, 2002F04 mi10 yd00
Jul 8, 2002F210 mi200 yd00
Jun 28, 2002F011 mi50 yd00
Jul 8, 2000F02 mi20 yd00
Aug 14, 1999F00.5 mi20 yd00
Aug 14, 1999F25 mi100 yd03
Jul 20, 1999F00.1 mi10 yd00
Jul 7, 1999F00.2 mi20 yd00
Jun 30, 1999F00.1 min/a00
Jun 21, 1999F00.2 mi10 yd00
Aug 23, 1998F00.3 mi30 yd00
Aug 23, 1998F13.5 mi30 yd00
Aug 23, 1998F04 mi30 yd00
Jun 6, 1997F00.1 mi20 yd00
Jun 25, 1996F22 mi30 yd00
Jul 7, 1993F00.1 mi10 yd00
Jun 21, 1991F00.2 mi10 yd00
Jun 8, 1988F00.2 mi10 yd00
May 28, 1981F21.5 mi100 yd00
Jun 8, 1976F20.1 mi10 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.