
Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >
Denver/Boulder, CO
Weather Forecast Office
History of Colorado Tornadoes
(1950-2024)
The map below shows a history of tornadoes, across Colorado from 1950 through 2024, from the SPC database. The F Scale was replaced by the EF scale in 2007. Further details on each tornado can be accessed by clicking on the map. Since 1950, only one tornado has been classified as an F4, which was in Baca county on May 15th, 1977.
| EF/F Scale Tornadoes (1950 to 2024) |
# |
| Unknown | 154 |
| 0 | 1546 |
| 1 | 599 |
| 2 | 127 |
| 3 | 25 |
| 4 | 1 |
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Denver/Boulder, CO
325 Broadway
Boulder, CO 80305-3328
303-494-3210 for a recording call 303-494-4221
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