Fremont County, IA Tornado Risk & Storm Shelter Cost
Fremont County, IA: what NOAA's tornado record says
Since 1959, NOAA has logged 36 tornado tracks crossing Fremont County - one about every 2.1 years, which lands it in our Elevated band. Nationally, Fremont County ranks at the 76th percentile for tornado frequency. Among 99 Iowa counties in this dataset, Fremont County ranks 46 for how often a tornado touches down.
Fremont County's EF4-5 history
Fremont County has 1 violent (EF4-5) tornado on record. FEMA centers its safe-room case on exactly this strength, not on how often a county gets touched - a hardened room is the difference between a code-built house surviving an EF4-5 or not.
What a storm shelter costs near Fremont County
For a Fremont County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no Iowa-specific rebate on top of FEMA's underlying 75% national cost-share program.
The outage nobody plans for
Power loss after a tornado outbreak in Iowa often reaches homes the storm itself never touched. A battery-backup unit covers the outage without the fuel and venting a generator needs.
Read this before you rely on it
This is a county-level figure, not a per-address probability. Fremont County covers about 511 square miles, so a single touch here counts the same as a single touch in a county a fraction of that size. Pre-radar-era records (before the 1990s) are also documented by NOAA as undercounting weaker tornadoes in sparsely-instrumented areas. Fremont County has about 6,494 residents.