The 2026 Montana wildfires are a series of active wildfires currently ongoing in Montana.
While "fire season" in Montana varies every year based on weather conditions, most wildfires occur in between May and October. Wildfires are influenced by above-average temperatures and dry conditions that influence drought. When vegetation dries out earlier in the season, wildfires are more likely to start and spread. The leading cause of wildfires in Montana is burning debris. The spread rate of wildfires is affected by the buildup of fuels.
The following is a list of fires that burned more than , produced significant structural damage, or resulted in casualties.