Hail, Sweet Grass
- When
- July 1, 3:40 PM MST to 3:43 PM MST
- Where
- Sweet Grass County, Mc Leod
- Measured
- 1.25 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.670, -110.120
A coop observer reported half dollar sized hail.
Hail and Damaging Winds in Montana, July 1, 1998
6 hail, 2 thunderstorm wind, 1 funnel cloud, 1 heavy rain, as filed by the National Weather Service.
Where it happened
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
- $2,000
- Crop damage
- None recorded
- Events
- 10
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 hail, 2 thunderstorm wind, 1 funnel cloud, 1 heavy rain. Local standard time, as filed.
Hail, Wheatland
- When
- July 1, 4:53 PM MST
- Where
- Wheatland County, 10 mi S of Twodot
- Measured
- 0.88 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 46.270, -110.070
Hail, Stillwater
- When
- July 1, 4:57 PM MST to 5:00 PM MST
- Where
- Stillwater County, Columbus
- Measured
- 0.88 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.630, -109.250
Funnel Cloud, Powder River
- When
- July 1, 5:01 PM MST
- Where
- Powder River County, 12 mi SW of Biddle
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.395, -105.630 (the zone’s center; the record gives no point)
Hail, Stillwater
- When
- July 1, 5:32 PM MST
- Where
- Stillwater County, Park City
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.630, -108.920
Hail, Stillwater
- When
- July 1, 5:45 PM MST
- Where
- Stillwater County, Park City
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.630, -108.920
Two spotters reported dime sized hail in Park City.
Hail, Yellowstone
- When
- July 1, 6:09 PM MST
- Where
- Yellowstone County, 5 mi S of Billings
- Measured
- 0.88 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 45.730, -108.480
A farmer reported nickel sized hail.
Heavy Rain, Rosebud
- When
- July 1, 7:00 PM MST to 7:15 PM MST
- Where
- Rosebud County, 6 mi NE of Ingomar
- Reported by
- TRAINED SPOTTER
- Coordinates
- 46.230, -106.731 (the zone’s center; the record gives no point)
A spotter reported a half inch of rain in 15 minutes.
Thunderstorm Wind, Custer
- When
- July 1, 9:00 PM MST
- Where
- Custer County, Mizpah
- Measured
- 52 kt (60 mph)
- Property damage
- $1,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 46.250, -105.270
A spotter reported winds gusts to 60 mph which blew branches off trees and shingles off of a roof.
Thunderstorm Wind, Custer
- When
- July 1, 9:04 PM MST
- Where
- Custer County, 4 mi NW of Mizpah
- Measured
- 52 kt (60 mph)
- Property damage
- $1,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 46.280, -105.330
A spotter reported winds gusts to 60 mph which blew branches off trees and shingles off of a roof. This storm also produced 1.57 inches of rainfall in 30 minutes.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Funnel Cloud
- A rotating column of cloud extending from a thunderstorm that did not reach the ground.
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
- 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
- Heat in Texas, July 1 to 31, 1998
- Heat in Louisiana, July 1 to 31, 1998
- Heat in Texas, July 1 to 31, 1998
- Wildfire in Florida, July 1 to 10, 1998
- Heat in Louisiana, July 1 to 31, 1998
- Heat in Illinois, July 1 to 2, 1998
- Flash Flood in New York, July 1, 1998
- Flash Flood in Vermont, July 1, 1998
- Flash Flood in New York, July 1, 1998
- Flash Flood in Vermont, July 1, 1998
- Flash Flood in Vermont, July 1, 1998
- Flash Flood in Vermont, July 1, 1998
More
Every storm in Montana in 1998Every state in 1998This day in weather historyWarnings in Montana, July 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 2026-10-01. Each event’s entry at NCEI: 5657980, 5657981, 5657982, 5657985, 5657983, 5657984, 5657986, 5657987, 5657989, 5657990.