Storm History: Roosevelt County, Montana
Every storm the National Weather Service has filed in Roosevelt County, Montana: 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
- 1,151
- Deaths
- 4
- Injuries
- 7
- Damage
- $15 million
- Episodes
- 590
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.
Every year
By kind of event
Counted under the kind that heads each episode.
| Kind of event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Hail | 344 | 0 | 1 | $6.3 million |
| Drought | 111 | 0 | 0 | |
| Tornado | 110 | 1 | 1 | $2.7 million |
| Flash Flood | 97 | 0 | 0 | $431,000 |
| High Wind | 89 | 0 | 1 | $30,000 |
| Dense Fog | 67 | 0 | 0 | |
| Blizzard | 62 | 0 | 0 | |
| Extreme Cold/Wind Chill | 55 | 0 | 0 | |
| Winter Storm | 44 | 0 | 0 | $387,000 |
| Thunderstorm Wind | 43 | 0 | 0 | $5,000 |
| Cold/Wind Chill | 38 | 2 | 0 | |
| Flood | 27 | 0 | 0 | |
| Winter Weather | 23 | 0 | 0 | |
| Heavy Snow | 13 | 1 | 0 | |
| Ice Storm | 10 | 0 | 4 | |
| Wildfire | 8 | 0 | 0 | $5.0 million |
| Heat | 4 | 0 | 0 | |
| Dust Storm | 3 | 0 | 0 | |
| Excessive Heat | 1 | 0 | 0 | |
| Funnel Cloud | 1 | 0 | 0 | |
| Freezing Fog | 1 | 0 | 0 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Wildfire, October 31, 1999
- Hail, July 13, 2005
- Tornado, July 4, 1998
- Hail, June 24, 2016
- Tornado, July 15, 2013
- Winter Storm, November 1, 2000
- Tornado, June 16, 2010
- Tornado, July 13, 1980
- Hail, June 4, 1994
- Hail, July 4, 2002
- Flash Flood, August 7, 2002
- Flash Flood, March 17, 2003
- Hail, July 6, 2009
- Flash Flood, June 23, 1998
- Hail, June 26, 2008
- Hail, September 3, 2014
- Flash Flood, July 17, 2001
- Tornado, July 21, 1999
- Tornado, September 21, 1969
- Flash Flood, June 20, 1999
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
- Flash Flood, July 11, 2004
- Flash Flood, June 8, 2021
- Flash Flood, June 20, 1999
- Hail, June 15, 2025
- Hail, June 18, 2016
- Hail, June 28, 1963
- Hail, July 11, 2023
- Hail, June 10, 2021
- Hail, August 1, 2010
- Flash Flood, June 25, 2005
- Hail, June 30, 1965
- Hail, July 26, 2025
- Hail, July 6, 2022
- Hail, May 26, 2014
- Hail, July 20, 2013
The strongest tornadoes
Every episode, newest first
- Flash Flood, June 27, 2026
- Thunderstorm Wind, June 7, 2026
- Hail, June 6, 2026
- Drought, June 1, 2026
- Thunderstorm Wind, May 26, 2026
- Dust Storm, May 13, 2026
- Drought, May 12, 2026
- High Wind, April 22, 2026
- Thunderstorm Wind, April 22, 2026
- High Wind, March 12, 2026
- High Wind, March 8, 2026
- Blizzard, February 17, 2026
- Dense Fog, February 3, 2026
- Dense Fog, February 2, 2026
- Extreme Cold/Wind Chill, January 23, 2026
- High Wind, January 20, 2026
- High Wind, January 15, 2026
- Freezing Fog, January 1, 2026
- Blizzard, December 17, 2025
- Extreme Cold/Wind Chill, November 30, 2025
- Dense Fog, November 26, 2025
- Dense Fog, November 16, 2025
- Flood, August 7, 2025
- Hail, July 26, 2025
- Drought, July 1, 2025
- Hail, June 26, 2025
- Hail, June 15, 2025
- Drought, June 1, 2025
- Thunderstorm Wind, May 12, 2025
- Drought, May 1, 2025
- Extreme Cold/Wind Chill, February 16, 2025
- Extreme Cold/Wind Chill, February 11, 2025
- Extreme Cold/Wind Chill, February 10, 2025
- Extreme Cold/Wind Chill, February 5, 2025
- Heavy Snow, February 3, 2025
- Extreme Cold/Wind Chill, January 3, 2025
- Drought, January 1, 2025
- Ice Storm, December 15, 2024
- Blizzard, December 8, 2024
- Drought, December 1, 2024
- Drought, November 1, 2024
- Drought, October 15, 2024
- High Wind, October 4, 2024
- Drought, October 1, 2024
- Thunderstorm Wind, September 20, 2024
- Hail, September 17, 2024
- Drought, September 1, 2024
- Drought, September 1, 2024
- Hail, August 24, 2024
- Hail, August 21, 2024
- Drought, August 13, 2024
- Tornado, July 12, 2024
- Funnel Cloud, July 11, 2024
- Thunderstorm Wind, July 5, 2024
- Hail, June 23, 2024
- Thunderstorm Wind, June 15, 2024
- High Wind, April 22, 2024
- Heavy Snow, March 2, 2024
- Dense Fog, January 27, 2024
- Dense Fog, January 24, 2024
- Dense Fog, January 22, 2024
- Cold/Wind Chill, January 11, 2024
- Dense Fog, January 4, 2024
- Dense Fog, January 1, 2024
- Dense Fog, November 6, 2023
- Dense Fog, November 3, 2023
- Dense Fog, November 2, 2023
- High Wind, October 17, 2023
- Drought, October 1, 2023
- Drought, September 1, 2023
- Drought, August 22, 2023
- Thunderstorm Wind, August 18, 2023
- Hail, July 30, 2023
- Hail, July 22, 2023
- Hail, July 11, 2023
- Thunderstorm Wind, May 17, 2023
- Blizzard, April 19, 2023
- Flood, April 10, 2023
- Drought, April 1, 2023
- Dense Fog, March 25, 2023
- Dense Fog, March 23, 2023
- Dense Fog, March 22, 2023
- Dense Fog, March 17, 2023
- Heavy Snow, March 15, 2023
- Blizzard, March 10, 2023
- Drought, March 1, 2023
- Drought, February 1, 2023
- Cold/Wind Chill, January 29, 2023
- High Wind, January 26, 2023
- Dense Fog, January 17, 2023
- Dense Fog, January 14, 2023
- Dense Fog, January 10, 2023
- Dense Fog, January 5, 2023
- Dense Fog, January 1, 2023
- Drought, January 1, 2023
- Blizzard, December 25, 2022
- Extreme Cold/Wind Chill, December 19, 2022
- Blizzard, December 13, 2022
- Drought, December 1, 2022
- Dense Fog, November 15, 2022
- Dense Fog, November 10, 2022
- High Wind, November 5, 2022
- Drought, November 1, 2022
- High Wind, October 11, 2022
- Drought, October 1, 2022
- Drought, September 13, 2022
- Thunderstorm Wind, September 7, 2022
- Drought, September 6, 2022
- Thunderstorm Wind, August 4, 2022
- Thunderstorm Wind, July 30, 2022
- Tornado, July 18, 2022
- Flood, July 9, 2022
- Thunderstorm Wind, July 8, 2022
- Hail, July 6, 2022
- High Wind, June 15, 2022
- Drought, June 1, 2022
- Thunderstorm Wind, May 19, 2022
- Drought, May 1, 2022
- Blizzard, April 22, 2022
- Blizzard, April 12, 2022
- Drought, April 1, 2022
- Dense Fog, March 1, 2022
- Drought, March 1, 2022
- Cold/Wind Chill, February 21, 2022
- Drought, February 1, 2022
- High Wind, January 31, 2022
- Cold/Wind Chill, January 4, 2022
- Cold/Wind Chill, January 1, 2022
- Drought, January 1, 2022
- Cold/Wind Chill, December 26, 2021
- Drought, December 1, 2021
- High Wind, November 16, 2021
- Drought, November 1, 2021
- Drought, October 1, 2021
- Drought, September 1, 2021
- Thunderstorm Wind, August 17, 2021
- Drought, August 1, 2021
- Hail, July 22, 2021
- Hail, July 8, 2021
- Drought, July 1, 2021
- Thunderstorm Wind, June 24, 2021
- High Wind, June 10, 2021
- Hail, June 10, 2021
- Flash Flood, June 8, 2021
- Hail, June 4, 2021
- Drought, June 1, 2021
- Drought, May 1, 2021
- Drought, April 1, 2021
- High Wind, March 29, 2021
- Dense Fog, March 27, 2021
- Dense Fog, March 5, 2021
- Drought, March 1, 2021
- Cold/Wind Chill, February 5, 2021
- Drought, February 1, 2021
- High Wind, January 13, 2021
- Dense Fog, January 8, 2021
- Drought, January 1, 2021
- Dense Fog, December 10, 2020
- Drought, December 1, 2020
- Dense Fog, November 9, 2020
- Heavy Snow, November 7, 2020
- Drought, November 1, 2020
- Thunderstorm Wind, October 30, 2020
- Heavy Snow, October 21, 2020
- Drought, October 1, 2020
- Tornado, July 7, 2020
- Hail, July 5, 2020
- Hail, July 4, 2020
- Hail, July 3, 2020
- Tornado, May 20, 2020
- Flood, March 7, 2020
- Cold/Wind Chill, February 13, 2020
- Dense Fog, January 29, 2020
- Dense Fog, January 23, 2020
- Cold/Wind Chill, January 17, 2020
- Cold/Wind Chill, January 15, 2020
- Cold/Wind Chill, January 14, 2020
- Dense Fog, December 23, 2019
- Dense Fog, November 13, 2019
- Hail, September 19, 2019
- Hail, September 2, 2019
- Hail, July 14, 2019
- Hail, July 12, 2019
- Flash Flood, July 7, 2019
- Hail, July 1, 2019
- Hail, June 28, 2019
- Tornado, June 27, 2019
- Thunderstorm Wind, June 9, 2019
- Thunderstorm Wind, June 6, 2019
- Flood, April 1, 2019
- Flood, March 29, 2019
- Dense Fog, March 22, 2019
- Flood, March 21, 2019
- Dense Fog, March 19, 2019
- Dense Fog, March 15, 2019
- Dense Fog, March 10, 2019
- Extreme Cold/Wind Chill, March 2, 2019
- Extreme Cold/Wind Chill, March 1, 2019
- Cold/Wind Chill, February 26, 2019
- Cold/Wind Chill, February 14, 2019
- Cold/Wind Chill, February 7, 2019
- Winter Storm, February 2, 2019
- High Wind, January 27, 2019
- Dense Fog, November 29, 2018
- Dense Fog, November 21, 2018
- Excessive Heat, August 9, 2018
- Hail, July 21, 2018
- Hail, July 10, 2018
- Flash Flood, June 28, 2018
- Hail, June 14, 2018
- Flash Flood, June 7, 2018
- Hail, May 16, 2018
- Blizzard, March 4, 2018
- Drought, March 1, 2018
- Extreme Cold/Wind Chill, February 9, 2018
- Drought, February 1, 2018
- Extreme Cold/Wind Chill, January 12, 2018
- Winter Storm, January 9, 2018
- Extreme Cold/Wind Chill, January 1, 2018
- Drought, January 1, 2018
- Extreme Cold/Wind Chill, December 26, 2017
- Extreme Cold/Wind Chill, December 25, 2017
- Drought, December 1, 2017
- Dense Fog, November 12, 2017
- Dense Fog, November 11, 2017
- Drought, November 1, 2017
- Drought, October 1, 2017
- Drought, September 1, 2017
- Drought, August 1, 2017
- Hail, July 11, 2017
- Drought, July 1, 2017
- Drought, June 13, 2017
- Flood, March 16, 2017
- Blizzard, March 7, 2017
- Dense Fog, February 19, 2017
- Blizzard, January 12, 2017
- Cold/Wind Chill, January 11, 2017
- Blizzard, December 25, 2016
- Extreme Cold/Wind Chill, December 16, 2016
- Blizzard, December 5, 2016
- Hail, July 16, 2016
- Hail, June 24, 2016
- Hail, June 21, 2016
- Hail, June 18, 2016
- Hail, June 15, 2016
- High Wind, April 6, 2016
- High Wind, February 18, 2016
- Dense Fog, February 16, 2016
- Ice Storm, February 13, 2016
- High Wind, February 6, 2016
Earlier years, state by state:
More
Tornadoes in Roosevelt CountyEvery warning in Roosevelt County since 1986Every county in Montana
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.