Tornado Risk in Glacier County, MT
How likely is a tornado in Glacier County, MT?
3 tornado tracks have crossed Glacier County since 1977 by NOAA's count, roughly one every 25.6 years - the Minimal band on this site's scale. That is the 10th percentile nationally for tornado frequency. Within Montana alone, Glacier County ranks 36 of 56 counties for tornado frequency.
The number that matters more than frequency
No violent (EF4-5) tornado has been recorded in Glacier County in NOAA's 76-year database. Of its 3 recorded tracks, 3 were weak (EF0-1) and 0 significant (EF2-3).
Shelter and safe-room economics
Montana does not currently have a confirmed state rebate layered on top of FEMA's 75% Hazard Mitigation cost-share, so a Glacier County homeowner should expect the full national range: $2,890-$13,280, $7,645 typical.
Power after the storm, not just shelter during it
Power loss after a tornado outbreak in Montana often reaches homes the storm itself never touched. A battery-backup unit covers the outage without the fuel and venting a generator needs.
What Glacier County's figure does not tell you
Glacier County's figure is county-wide, not address-specific. Glacier County covers about 2,995 square miles, so a single touch here counts the same as a single touch in a county a fraction of that size. NOAA also documents that older records undercount weaker tornadoes from before Doppler radar became standard. Glacier County has about 13,503 residents.