Natural Disaster Risk in Marysville

Natural Hazard Profile: Marysville, Montana

Marysville is a small unincorporated community in Lewis and Clark County, in the northern tier of the continental United States. The area experiences cold winters, dry summers, and extreme temperature swings, with rapid chinook wind events and spring flooding shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Marysville.

According to FEMA's National Risk Index, Marysville carries an overall risk score of 5.8/10, placing it in the moderate category. The area faces significant winter hazard exposure, with nor'easters, ice storms, or blizzards regularly challenging transportation networks and power infrastructure. The area also faces notable exposure to avalanche and landslide.

Marysville's risk score, slightly above the 4.9/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Lewis and Clark County, the highest-scoring are winter, avalanche, and landslide. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, Marysville residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for winter is recommended.