Grundy County, MO Tornado Risk & Storm Shelter Cost
How likely is a tornado in Grundy County, MO?
Since 1958, NOAA has logged 19 tornado tracks crossing Grundy County - one about every 4 years, which lands it in our Moderate band. Nationally, Grundy County ranks at the 48th percentile for tornado frequency. Among 115 Missouri counties in this dataset, Grundy County ranks 81 for how often a tornado touches down.
Grundy County's EF4-5 history
Grundy County's record has no EF4-5 tornado - its 19 tracks split 15 weak and 4 significant. That does not rule one out in the future, only that none has been recorded since 1950.
What a storm shelter costs near Grundy County
For a Grundy County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no Missouri-specific rebate on top of FEMA's underlying 75% national cost-share program.
The outage nobody plans for
Tornado outbreaks routinely knock out power across Missouri for days, separately from any single house getting hit. A portable battery bank keeps a fridge, phone chargers and a radio running through that gap - cheaper and faster to set up than a generator.
Read this before you rely on it
This is a county-level figure, not a per-address probability. Grundy County covers about 435 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. Grundy County has about 9,766 residents.