Published on December 18, 2025
Boulder County, Colo. - The National Weather Service has issued a Red Flag Warning for tomorrow, Friday, December 19, in anticipation of Friday’s powerful and potentially damaging Boulder County wind event. This alert indicates that conditions are extreme and pose a significant risk for fire weather.
This is a particularly dangerous situation in Boulder County that poses a significant threat to life and property in the event of a wildfire start. New or existing fire ignitions will have a high risk for very rapid fire spread.
Wind gusts may reach 100+ miles per hour in Boulder County, especially in areas west of Highway 36, Broadway, and Highway 93.
Prohibited
Open burning is not allowed anywhere in Boulder County.
Avoid any outdoor activities that may cause a spark or flame:
How to Prepare