Idaho

Storm History: Lewis County, Idaho

134 episodes, 164 events since 1970

Every storm the National Weather Service has filed in Lewis 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
164
Deaths
0
Injuries
3
Damage
$13 million
Episodes
134

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 Lewis 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 Snow7700$15,000
Hail2600$105,000
High Wind1600$11,000
Thunderstorm Wind1100$88,000
Wildfire603$13 million
Heavy Rain500$70,000
Debris Flow500$200,000
Flash Flood400$110,000
Winter Weather300
Winter Storm300
Tornado200
Blizzard200
Flood200$3,000
Dense Smoke100
Ice Storm100$1,000

The deadliest

None recorded.

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 Lewis County, with its track

Every episode, newest first

More

Tornadoes in Lewis CountyEvery warning in Lewis 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.