Montana

Storms in Montana in 2020

1,349 events in 229 episodes

Every storm the National Weather Service filed in Montana 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.

Montana 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 Montana

The year

Events
1,349
Deaths
7
Injuries
8
Damage
$3.2 million
Episodes
229

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
High Wind47201$663,000
Thunderstorm Wind23503$460,000
Hail17210$30,000
Winter Storm12600$1.0 million
Heavy Snow8301$20,000
Winter Weather6222
Heavy Rain4800
Dense Fog3000
Blizzard2521
Cold/Wind Chill2000
Drought1800
Wildfire1500
Flood1300$250,000
Strong Wind1200$6,000
Frost/Freeze700
Funnel Cloud300
Tornado300$737,000
Lightning200
Avalanche120
Ice Storm100
Dust Storm100

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 MontanaEvery state in 2020Tornadoes in Montana in 2020Warnings in Montana 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.