Updated May 2026
See all Montana auto insurance rates →
What Affects Rates in Great Falls
- Great Falls sits at the intersection of I-15 running north-south and US-87 connecting east to Fort Benton and west toward Belt. Post-DUI drivers maintaining work commutes on these highways face elevated liability costs due to higher-speed corridor exposure and ice risk during Montana's extended winter season. Restricted license holders using these routes for approved employment purposes see premiums reflect that commute pattern.
- Cascade County recorded 51 high wind events, 40 thunderstorm wind events, and 27 heavy snow events over the past five years. November 2024 winds at Great Falls Airport reached 72 mph sustained, and the May 2024 blizzard at Monarch Canyon deposited 28 inches of snow with near-zero visibility. Comprehensive coverage costs rise for drivers with vehicles exposed to hail and wind damage, particularly for those with IID-equipped vehicles parked outdoors.
- Many post-DUI Great Falls residents no longer own a vehicle following impound or sale. Non-owner SR-22 policies meet Montana's filing requirement without vehicle ownership, allowing license reinstatement and hardship license eligibility. Monthly premiums for non-owner SR-22 in Great Falls range $45–$85, significantly lower than standard owner policies, and satisfy the three-year filing period.
- Montana requires ignition interlock devices for all DUI offenders seeking hardship license privileges. Great Falls has certified IID installation providers, but device rental costs $75–$125/month plus $150–$250 installation fees add to total compliance expense. Combined with SR-22 premiums and restricted license application fees, first-year post-DUI costs often reach $4,500–$6,200.
Find out exactly how long SR-22 is required in your state
Coverage Recommendations
Cost estimates are based on available industry data and vary by driver profile. These are not insurance quotes.
SR-22 Insurance
Great Falls carriers file SR-22 certificates with Montana MVD electronically within 24 hours, critical for meeting court-ordered reinstatement deadlines.
$15–$50 filing feeEstimated range only. Not a quote.
Non-Owner SR-22
Common among Great Falls post-DUI filers who sold vehicles or lost them to impound and need reinstatement before purchasing another car.
$45–$85/monthEstimated range only. Not a quote.
Ignition Interlock Insurance
All Great Falls hardship license applicants with DUI convictions must install IID and notify carriers to maintain policy compliance.
$75–$125/month device rentalEstimated range only. Not a quote.
High-Risk Auto Insurance
Great Falls high-risk carriers specialize in post-conviction coverage, offering immediate SR-22 filing and IID endorsements unavailable from standard insurers.
35–60% surcharge over standardEstimated range only. Not a quote.
Liability-Only Coverage
Most Great Falls post-DUI drivers start with minimum liability to reduce premium burden during three-year SR-22 filing period.
$120–$180/month post-DUIEstimated range only. Not a quote.