Storms in Montana in 1991
Every storm the National Weather Service filed in Montana in 1991, with each episode’s narrative and every event in it. Before 1996 the record holds tornadoes, hail and thunderstorm wind only, without narratives; floods, heat, winter storms and the other kinds begin in 1996.
Montana in 1991 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
The year
- Events
- 137
- Deaths
- 0
- Injuries
- 0
- Damage
- $440,000
- Episodes
- 39
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 event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Hail | 75 | 0 | 0 | |
| Thunderstorm Wind | 32 | 0 | 0 | |
| Tornado | 30 | 0 | 0 | $440,000 |
Every episode, month by month
March 1991
May 1991
- Tornado and Hail in Montana, May 10, 1991
- Tornado in Montana, May 11, 1991
- Tornado in Montana, May 16, 1991
- Damaging Winds in Montana, May 18, 1991
- Hail in Montana, May 19, 1991
- Hail in Montana, May 20, 1991
- Hail in Montana, May 21, 1991
- Hail in Montana, May 24, 1991
- Tornadoes and Hail in Montana, May 25, 1991
- Hail in Montana, May 29, 1991
- Tornado in Montana, May 31, 1991
June 1991
- Tornado and Hail in Montana, June 7, 1991
- Damaging Wind in Montana, June 11, 1991
- Tornadoes and Hail in Montana, June 19, 1991
- Hail and Damaging Wind in Montana, June 20, 1991
- Tornadoes and Hail in Montana, June 21, 1991
- Hail in Montana, June 22, 1991
- Hail and Damaging Winds in Montana, June 23, 1991
- Tornado and Hail in Montana, June 24, 1991
- Tornado and Hail in Montana, June 25, 1991
- Tornadoes and Hail in Montana, June 29, 1991
- Tornado in Montana, June 30, 1991
July 1991
- Tornadoes and Hail in Montana, July 4, 1991
- Damaging Wind in Montana, July 5, 1991
- Hail in Montana, July 7, 1991
- Tornado and Hail in Montana, July 9, 1991
- Tornadoes in Montana, July 10, 1991
- Hail and Damaging Winds in Montana, July 13, 1991
- Tornado and Hail in Montana, July 14, 1991
- Damaging Wind in Montana, July 16, 1991
- Hail and Damaging Wind in Montana, July 17, 1991
- Hail in Montana, July 20, 1991
August 1991
More
Every year in MontanaEvery state in 1991Tornadoes in Montana in 1991Warnings in Montana in 199119901992
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.