Grant County, North Dakota tornadoes

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27confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: July 26, 2016, EF0. 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 Grant County

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The record

At a glance

Total271950 to 2025
Per year0.4average since 1950
Peak monthJune15 of 27
StrongestF4Jul 4, 1978
Deaths6whole paths, see note
Injuries40whole paths, see note

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

Seasons

When tornadoes hit here

By month

150 Jan: 0Feb: 0Mar: 0Apr: 0May: 1Jun: 15Jul: 9Aug: 2Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 15 of 27 tornadoes.

By time of day

50 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 19 AM: 1: 0: 112 PM: 0: 1: 23 PM: 1: 3: 46 PM: 2: 3: 59 PM: 3: 0: 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

30 1950: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 1: 1: 1: 0: 0: 01970: 0: 0: 0: 0: 0: 1: 3: 0: 2: 21980: 2: 2: 0: 2: 1: 0: 1: 0: 0: 01990: 0: 0: 0: 0: 0: 1: 0: 0: 0: 02000: 0: 1: 0: 0: 0: 1: 0: 0: 1: 02010: 1: 1: 0: 0: 0: 0: 1: 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
16
EF1
8
EF2
1
EF4
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

Deadliest

F4, July 4, 1978

5 deaths, 35 injuries Strongest

F4, July 4, 1978

26 mile path Longest path

68 miles, F4

June 29, 1975, whole path Widest

880 yards, F4

June 29, 1975
Every tornado

All 27 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jul 26, 2016EF00.09 mi20 yd00
Jun 12, 2011EF26 mi800 yd00
May 24, 2010EF11.63 mi40 yd00
Jul 10, 2008EF00.77 mi30 yd00
Jun 3, 2005F01 mi30 yd00
Jul 19, 2001F0n/a40 yd00
Aug 21, 1995F00.1 mi10 yd00
Jun 29, 1986F10.2 mi10 yd00
Jun 7, 1984F00.3 mi10 yd00
Aug 24, 1983F18 mi30 yd00
Jul 17, 1983F00.3 mi10 yd00
Jul 24, 1981F00.4 mi10 yd00
Jun 9, 1981F00.3 mi10 yd00
Jun 4, 1980F00.1 mi10 yd00
Jun 4, 1980F00.1 mi10 yd00
Jul 11, 1979F00.1 mi10 yd00
Jul 11, 1979F00.1 mi10 yd00
Jul 4, 1978F426 mi250 yd535
Jun 30, 1978F00.1 mi10 yd00
Jun 11, 1976F00.1 mi10 yd00
Jun 11, 1976F16.4 mi10 yd01
Jun 11, 1976F10.1 mi10 yd00
Jun 29, 1975F468 mi880 yd14
Jun 24, 1966F10.1 mi10 yd00
Jun 13, 1965F10.1 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.