Updated March 2026
See all Montana auto insurance rates →
What Affects Rates in Great Falls
- Most Great Falls drivers rely on I-15 for regional travel and daily commutes to Malmstrom AFB. Rush-hour traffic along 10th Avenue South and River Drive North creates moderate collision frequency, particularly during winter months. Drivers in neighborhoods near I-15 exits (Vaughn, Sun Prairie) see slightly higher rates due to highway access and increased mileage.
- Malmstrom Air Force Base generates significant commuter volume from across Great Falls and surrounding towns. Base-related traffic concentrates on 2nd Avenue North and Central Avenue, creating dense morning and evening flows. Insurers factor in this predictable congestion when pricing policies for zip codes near the base.
- Great Falls experiences frequent hail events from May through September, with severe storms causing widespread comprehensive claims. Ice storms in December and January lead to multi-vehicle pileups on I-15 and elevated collision claims. Comprehensive coverage costs reflect this seasonal risk pattern unique to the northern Montana climate zone.
- Older neighborhoods near downtown (North Central, South Side) show higher theft and vandalism claims compared to newer subdivisions in Heritage Hills or Fox Farm. Proximity to the Missouri River also affects rates, as flood risk in low-lying areas increases comprehensive claims. ZIP code 59405 typically sees the lowest rates due to newer housing stock and lower claim density.
- Montana's uninsured motorist rate hovers near 17%, and Great Falls reflects this statewide trend. Rural drivers entering the city from surrounding Cascade County communities contribute to this exposure. Uninsured motorist coverage is critical for drivers commuting on US-87 and US-89, where enforcement is less frequent than on I-15.
Coverage Options
Cost estimates are based on available industry data and vary by driver profile. These are not insurance quotes.
Covers injury and property damage you cause to others in an at-fault accident.
Combines liability, collision, and comprehensive for complete protection.
Covers non-collision damage from hail, theft, vandalism, and weather events.
Pays for your vehicle damage after a collision, regardless of fault.
Protects you when hit by a driver without insurance or who flees the scene.
Liability Insurance
Montana's 25/50/20 minimum is often insufficient given I-15 multi-vehicle incidents; 100/300/100 limits are common for Great Falls commuters.
$400–$700/yearEstimated range only. Not a quote.
Full Coverage
Essential for financed vehicles given Great Falls's hail frequency and winter ice conditions on 10th Avenue and River Drive corridors.
$1,200–$1,850/yearEstimated range only. Not a quote.
Comprehensive Coverage
Great Falls's May–September hail season generates peak comprehensive claims; drivers parking outdoors face significantly higher risk than garaged vehicles.
$300–$550/yearEstimated range only. Not a quote.
Collision Coverage
Winter ice on I-15 and Central Avenue creates elevated collision risk from November through March, particularly during morning commutes to Malmstrom AFB.
$450–$750/yearEstimated range only. Not a quote.
Uninsured Motorist Coverage
Critical for Great Falls drivers given Montana's 17% uninsured rate and rural commuters on US-87 and US-89 entering the city daily.
$150–$300/yearEstimated range only. Not a quote.