Update: Red flag warning affecting Colorado until Thursday night – enhanced fire threat

Published Aug 14, 2025

At 2:14 p.m. on Thursday, the National Weather Service released an updated red flag warning in effect until 10 p.m. for Colorado.

Expect winds to be southwest 10 to 15 mph with gusts up to 25 mph and relative humidity 9 to 14 percent.

“Any fire that develops will catch and spread quickly. Outdoor burning is not recommended,” describes the NWS.

The full list of affected locations includes:

• Little Snake

• White River

• Lower Colorado River

• Colorado River Headwaters

• Southwest Colorado Lower Forecast Area

• Paradox Valley

• Northern San Juan

• North Fork

• Gunnison Basin

• Southwest Colorado Upper West Forecast Area

• Southwest Colorado Upper East Forecast Area

• Routt County

What does a red flag warning mean?

A red flag warning implies that either extreme fire weather conditions are currently taking place or will occur shortly, according to the NWS. Warm temperatures, very low humidities, and stronger winds are expected to combine to produce an increased risk of fire to spread rapidly.

What are the recommended measures to take 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. Secure burn barrels:

In areas where controlled burning is sanctioned, make certain that burn barrels sport a weighty metal cover, equipped with holes no larger than 3/4 of an inch.

2. Mindful handling of smoking materials:

Prudently discard cigarette butts and avoid flinging cigarettes or matches from a moving vehicle. These seemingly innocuous actions can kindle dry grass, potentially triggering a wildfire.

3. Properly extinguish outdoor fires:

To thwart accidental fires, diligently extinguish all outdoor fires. Suffocate them with an ample deluge of water and stir to ensure complete cooling. Submerge charcoal in water until it’s entirely devoid of heat. Never leave live charcoal unattended.

4. Never leave fires unattended:

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 paramount in averting wildfires during these perilous conditions. Prioritize safety, stay impeccably informed, and assume responsibility to shield lives and property.

Source: The National Weather Service