Butte County, ID: Tornado Risk and Shelter Cost
How likely is a tornado in Butte County, ID?
NOAA's Storm Prediction Center has recorded 8 tornado tracks touching Butte County since 1954 - about one every 9.5 years on average. That puts it in our Low band nationally. Against the rest of the country, that is the 23rd percentile for frequency. Within Idaho alone, Butte County ranks 7 of 44 counties for tornado frequency.
Has Butte County ever had a violent tornado?
Nothing violent in Butte County's file: 8 tracks total, topping out at significant (EF2-3) strength on 0 of them, zero at EF4-5.
Paying for it, if Butte County's history says you should
A storm shelter or in-residence safe room typically runs $2,890-$13,280 nationally, around $7,645 for a common single-family installation. No state-administered rebate program specific to Idaho was confirmed for this site - FEMA's own Hazard Mitigation Assistance grants fund 75% of an approved safe room nationwide, but only some states currently run a homeowner-facing application on top of that.
The gap a shelter does not cover
2,735 people live in Butte County, and a tornado outbreak's power loss usually reaches far more of Idaho than the tracks themselves touch. A portable battery unit is the faster, no-fuel way to bridge that outage.
County-level, not address-level
Treat this as a county-wide figure, not a prediction for one address. Butte County covers about 2,236 square miles, so a single touch here counts the same as a single touch in a county a fraction of that size. And records from before the 1990s, NOAA notes, undercount weaker tornadoes in areas with less storm-spotting coverage at the time. Butte County has about 2,735 residents.