Idaho

Storms in Idaho in 2020

476 events in 104 episodes

Every storm the National Weather Service filed in Idaho in 2020, with each episode’s narrative and every event in it. 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.

Idaho in 2020 on the map

Every episode with a place to put it, colored by kind of event.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over Idaho

The year

Events
476
Deaths
11
Injuries
5
Damage
$6.6 million
Episodes
104

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.

By kind of event

Kind of eventEventsDeathsInjuriesDamage
Heavy Snow16411$316,000
Thunderstorm Wind10100$67,000
Winter Storm6700$10,000
High Wind4712$724,000
Wildfire2000$3.2 million
Winter Weather1900
Funnel Cloud800
Avalanche672
Strong Wind600
Flood500$10,000
Hail510$30,000
Debris Flow400$2.2 million
Dust Storm400
Heat400
Dense Smoke400
Lightning200$10,000
Flash Flood200$40,000
Heavy Rain200
Frost/Freeze200
Freezing Fog200
Dense Fog100$8,000
Cold/Wind Chill110

Every episode, month by month

January 2020

February 2020

March 2020

April 2020

May 2020

June 2020

July 2020

August 2020

September 2020

October 2020

November 2020

December 2020

More

Every year in IdahoEvery state in 2020Tornadoes in Idaho in 2020Warnings in Idaho in 202020192021

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.