Hail, Big Horn
- When
- August 22, 2:49 PM MST to 3:02 PM MST
- Where
- Big Horn County, 1 mi NW of Crow Agency
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.620, -107.470
Hail and Damaging Winds in Montana, August 22, 1998
6 thunderstorm wind, 2 hail, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $5,000
- Crop damage
- None recorded
- Events
- 8
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.
The radar
The national radar mosaic for the moment the first event began.
Event by event
6 thunderstorm wind, 2 hail. Local standard time, as filed.
Hail, Rosebud
- When
- August 22, 4:00 PM MST to 4:02 PM MST
- Where
- Rosebud County, Birney to 6 mi of Birney
- Measured
- 0.75 in hail
- Property damage
- $5,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.230, -106.520
Several trees were reported damaged by hail and thunderstorm wind gusts.
Thunderstorm Wind, Powder River
- When
- August 22, 5:00 PM MST
- Where
- Powder River County, Broadus
- Measured
- 52 kt (60 mph)
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 45.450, -105.420
Thunderstorm Wind, Rosebud
- When
- August 22, 5:36 PM MST
- Where
- Rosebud County, Rock Spgs
- Measured
- 66 kt (76 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 46.820, -106.250
Thunderstorm Wind, Carter
- When
- August 22, 5:50 PM MST
- Where
- Carter County, Ekalaka
- Measured
- 61 kt (70 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.880, -104.550
Thunderstorm Wind, Carter
- When
- August 22, 6:00 PM MST
- Where
- Carter County, 30 mi N of Alzada
- Measured
- 52 kt (60 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.450, -104.420
Thunderstorm Wind, Carter
- When
- August 22, 6:20 PM MST
- Where
- Carter County, 12 mi SE of Ekalaka
- Measured
- 52 kt (60 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.770, -104.370
Thunderstorm Wind, Fallon
- When
- August 22, 6:20 PM MST
- Where
- Fallon County, Baker
- Measured
- 54 kt (62 mph)
- Reported by
- BROADCAST MEDIA
- Coordinates
- 46.370, -104.280
Wind gusts to 62 mph knocked KFLN radio off the air for a brief period.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flooding in Texas, August 22, 1998
- Tornado in Texas, August 22, 1998
- Heat in New Jersey, August 22 to 26, 1998
- Tornado and Flash Flooding in Minnesota, August 22, 1998
- Heat in Pennsylvania, August 22 to 26, 1998
- Heat in Maryland, August 22 to 26, 1998
- Flash Flood in Utah, August 22, 1998
- Damaging Wind in Wisconsin, August 22, 1998
- Heat in Delaware, August 22 to 26, 1998
- Hail and Damaging Wind in Montana, August 22, 1998
- Damaging Winds in Wisconsin, August 22, 1998
- Hail in Montana, August 22, 1998
More
Every storm in Montana in 1998Every state in 1998This day in weather historyWarnings in Montana, August 1998
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. Each event’s entry at NCEI: 5662503, 5662504, 5662505, 5662506, 5662507, 5662508, 5662509, 5662510.