McLean County, IL Tornado Risk & Storm Shelter Cost
How likely is a tornado in McLean County, IL?
Since 1950, NOAA has logged 122 tornado tracks crossing McLean County - one about every 0.6 years, which lands it in our High band. Nationally, McLean County ranks at the 99th percentile for tornado frequency. Among 102 Illinois counties in this dataset, McLean County ranks 1 for how often a tornado touches down.
McLean County's EF4-5 history
McLean County's record has no EF4-5 tornado - its 122 tracks split 99 weak and 20 significant. That does not rule one out in the future, only that none has been recorded since 1950.
What a storm shelter costs near McLean County
For a McLean County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no Illinois-specific rebate on top of FEMA's underlying 75% national cost-share program.
The outage nobody plans for
172,069 people live in McLean County, and a tornado outbreak's power loss usually reaches far more of Illinois than the tracks themselves touch. A portable battery unit is the faster, no-fuel way to bridge that outage.
Read this before you rely on it
This is a county-level figure, not a per-address probability. McLean County covers about 1,183 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. McLean County has about 172,069 residents.