Tornado History Map

Adams County, Colorado tornado history

213 tornadoes recorded in or across Adams County from 1953 to 2025, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Adams County

The Storm Prediction Center records 213 tornadoes whose paths touched Adams County, Colorado between 1953 and 2025. None of them is recorded as having killed anyone. The busiest month is June, with 80 tornadoes. The strongest was an F3 on 18 May 1975. The most recent was on 13 June 2025.

  • 213tornadoes
  • 0deaths
  • 43injuries
  • 1,826per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Adams County?

RatingTornadoesShare
F0 / EF013865%
F1 / EF15425%
F2 / EF2115%
F3 / EF32<1%
F4 / EF400%
F5 / EF500%
Unknown rating84%

Adams County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 56 in 1990s.1950s61960s81970s151980s501990s562000s382010s242020s16

The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s6
1960s8
1970s15
1980s50
1990s56
2000s38
2010s24
2020s16
Tornadoes by month
Bar chart of tornadoes by period. The most is 80 in Jun.Jan0Feb0Mar1Apr4May34Jun80Jul60Aug23Sep6Oct5Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar1
Apr4
May34
Jun80
Jul60
Aug23
Sep6
Oct5
Nov0
Dec0

Records for Adams County

  • Strongest: Colorado tornado18 May 1975, F3, 4.1 miles long
  • Longest path: Colorado tornado13 July 1996, F2, 12 miles long
  • Most recent: Colorado tornado13 June 2025, Unknown rating, 0.2 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

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