Natural Disaster Risk in Sweet Grass County

Natural Hazard Profile: Sweet Grass County, Montana

Sweet Grass County is located in the United States in Montana, home to roughly 3,674 residents. The county experiences cold winters, dry summers, and extreme temperature swings, with rapid chinook wind events and spring flooding shaping the natural hazards faced by its communities. FEMA assesses risk at this county level, providing the baseline for every city and ZIP code within its boundaries.

According to FEMA's National Risk Index, Sweet Grass County carries an overall risk score of 4.1/10, placing it in the moderate category. The threat of avalanche is the primary natural hazard here, with winter snowpack instability on mountain terrain posing risks to roads, structures, and outdoor recreation activities. The area also faces notable exposure to wildfire and landslide.

Sweet Grass County's risk score, slightly below the 4.9/10 state average and near the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Sweet Grass County, the highest-scoring are avalanche, wildfire, 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, Sweet Grass County 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 avalanche is recommended.