Update: The fire warning for Northern Colorado is anticipated to expire at 8 p.m.

Published Mar 23, 2025

The warning was active for Northern Colorado.

“Humidity levels have increased and winds have decreased over the area,” according to the National Weather Service.

The full list of affected locations includes:

• Larimer County Below 6000 Feet/Northwest Weld County

• Boulder And Jefferson counties Below 6000 Feet/West Broomfield County

• North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe counties/East Broomfield County

• Northeast Weld County

• Central and South Weld County

• Morgan County

• Logan County

• Sedgwick County

• Phillips County

What does a red flag warning indicate?

A red flag warning means that extreme fire weather conditions are either occurring now or will shortly, according to the NWS. Warm temperatures, very low humidities, and stronger winds are expected to combine to produce an increased risk of fire spreading rapidly.

What steps should you follow during a red flag warning?

A red flag warning demands vigilance and immediate readiness to respond to potential fires. The NWS provides these vital guidelines to minimize fire hazards and ensure your safety:

1. Bolster burn barrel safety:

If burning is authorized in your vicinity, ensure that all burn barrels feature a weighted metal cover with holes no larger than 3/4 of an inch.

2. Mindful handling of smoking materials:

Steer clear of haphazardly discarding lit cigarette butts and avoid flinging cigarettes or matches from moving vehicles. These innocuous-seeming actions can kindle dry vegetation, potentially spawning a wildfire.

3. Properly extinguish outdoor fires:

To safeguard against accidental fires, diligently extinguish all outdoor fires. Drown them with an ample amount of water and stir to confirm that everything is cold to the touch. Submerge charcoal in water until it’s thoroughly cooled. Never dispose of live charcoal on the ground.

4. Never desert a blaze:

Avoid leaving any fire unattended. Even sparks or embers carried by the wind can ignite nearby leaves or grass, triggering a fire that spreads rapidly.

Understanding the gravity of a red flag warning and adhering to these precautions is pivotal in mitigating the risk of wildfires during these perilous conditions. Prioritize safety, stay well-informed, and act responsibly to safeguard lives and property.

Source: The National Weather Service