Jefferson County, Colorado tornado history

14 tornadoes recorded in or across Jefferson County from 1965 to 1996, 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 Jefferson County

The Storm Prediction Center records 14 tornadoes whose paths touched Jefferson County, Colorado between 1965 and 1996. None of them is recorded as having killed anyone. The busiest month is June, with 8 tornadoes. The strongest was an F2 on 3 June 1981. The most recent was on 28 July 1996.

  • 14tornadoes
  • 0deaths
  • 0injuries
  • 183per 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 Jefferson County?

RatingTornadoesShare
F0 / EF0857%
F1 / EF1536%
F2 / EF217%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Jefferson County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 6 in 1980s.1960s51980s61990s3

The 1990s only run to 1996, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1960s5
1980s6
1990s3
Tornadoes by month
Bar chart of tornadoes by period. The most is 8 in Jun.Jan0Feb0Mar0Apr0May0Jun8Jul6Aug0Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May0
Jun8
Jul6
Aug0
Sep0
Oct0
Nov0
Dec0

Records for Jefferson County

  • Strongest: Colorado tornado3 June 1981, F2, 0.1 miles long
  • Longest path: Colorado tornado30 June 1982, F1, 0.5 miles long
  • Most recent: Colorado tornado28 July 1996, F0, 0.1 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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