Idaho

Storm History: Gem County, Idaho

238 episodes, 301 events since 1964

Every storm the National Weather Service has filed in Gem 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
301
Deaths
4
Injuries
5
Damage
$101 million
Episodes
238

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 Gem 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 Snow17314$100 million
Winter Storm2800
Hail1600
High Wind1400
Thunderstorm Wind1200$5,000
Flood1100$1,000
Tornado800$3,000
Dense Fog700
Winter Weather611
Wildfire400
Strong Wind400$10,000
Dust Storm300
Extreme Cold/Wind Chill300
Avalanche310
Blizzard300
Heavy Rain200
Debris Flow100
Flash Flood100$1.0 million
Frost/Freeze100
Excessive Heat110

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.

Every episode, newest first

More

Tornadoes in Gem CountyEvery warning in Gem 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.