Idaho

Storm History: Bonner County, Idaho

452 episodes, 827 events since 1964

Every storm the National Weather Service has filed in Bonner County, Idaho: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
827
Deaths
10
Injuries
41
Damage
$128 million
Episodes
452

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Bonner County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Heavy Snow51201$382,000
Hail5523$2.6 million
Winter Storm3806$300,000
Wildfire3405$103 million
High Wind3324$2.2 million
Flood2800$10 million
Thunderstorm Wind2604$2.4 million
Debris Flow2100$5.9 million
Ice Storm1300
Tornado1001$375,000
Blizzard1000$80,000
Flash Flood905$100,000
Winter Weather924$220,000
Strong Wind800$24,000
Avalanche644
Extreme Cold/Wind Chill400
Dense Smoke400
Cold/Wind Chill200
Lightning204
Heavy Rain100
Funnel Cloud100
Excessive Heat100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Bonner County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Bonner CountyEvery warning in Bonner County since 1986Every county in Idaho

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.