A study from the University of Idaho found that wildland firefighters are fatigued and have delayed reaction times, which may be a result of not getting enough sleep. The study leaves more questions than answers.
Higher temperatures and low humidity may challenge firefighters later this week. Otherwise, fire restrictions and fires overall are slowing down in Colorado.
Smoke from fires continues to hover above the Front Range and northwestern Colorado on Friday. The most active wildfires in the state have grown little this week.
Wildfires in California have killed at least eight people and destroyed more than a thousand homes.
Incident meteorologists go into fire zones with crews to forecast weather for firefighters.
Smoke from at least 12 wildfires burning across Colorado and beyond continues to hang over large parts of the state.
Snow packs, reservoirs and aquifers around the state are running dry.
Summit County downgraded its fire restrictions to Stage 1 on Tuesday morning after a special session vote.
Microscopic inhalable particles from wildfire smoke can get deep into the lungs and play havoc with those who suffer from heart and respiratory issues.
Solitary lookout towers in the western United States still hold an important place in wildland firefighting.