Fifty for 150: The 2021 Marshall Fire was the most destructive in Colorado history

On the morning of Dec. 30, 2021, a low-pressure zone developed just east of the mountains of Boulder, causing unusually high winds. On its own, the winds might have been a mere inconvenience, but the tinderbox environment they encountered created combustible conditions. Heavy precipitation in the early part of the year was followed by extreme […]

By: Quentin Young

Outlets: Colorado Newsline

Published: May 28, 2026

Words: 521

Last Updated: 3 weeks, 4 days ago


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On the morning of Dec. 30, 2021, a low-pressure zone developed just east of the mountains of Boulder, causing unusually high winds. On its own, the winds might have been a mere inconvenience, but the tinderbox environment they encountered created combustible conditions.

This story is part of Colorado at 150. Each Fifty for 150 story focuses on an event that helped define Colorado over 150 years of statehood. Newsline is publishing …

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