A windstorm in December 2025 downed numerous trees across trails and roads in the Helena-Lewis and Clark National Forest, according to a Forest Service alert issued December 17, 2025. The Forest Service cautioned that weakened trees may still fall without warning and urged visitors to exercise caution while on the forest. The agency acknowledged volunteer groups who have been helping restore access to affected areas. Visitors planning to use forest roads or trails should check conditions before heading out.