Flash Flood, Sweet Grass
- When
- June 5, 6:20 PM MST to 6:30 PM MST
- Where
- Sweet Grass County, 7 mi S of Mc Leod
- Coordinates
- 45.814, -109.941 (the zone’s center; the record gives no point)
Flash Flood in Montana, June 5, 1997
Sheriffs office in Big Timber reported about 3 inches of rain in 30 minutes. Flash flooding of raod near East Boulder River.
Where it happened
Every event with a place to put it; 1 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
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What happened
The episode as NWS BYZ wrote it up.
Sheriffs office in Big Timber reported about 3 inches of rain in 30 minutes. Flash flooding of raod near East Boulder River.
The radar
The Billings radar (KBLX), 103 km away, was scanning. The volume nearest the first event began at 01:19 UTC.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Lightning Strike in Illinois, June 5, 1997
- Tornado in Iowa, June 5, 1997
- Hail in Iowa, June 5, 1997
- Hail in Iowa, June 5, 1997
- Hail in Iowa, June 5, 1997
- Tornado and Hail in Minnesota, June 5, 1997
- Rip Current in Florida, June 5, 1997
- Hail and Damaging Wind in Wisconsin, June 5, 1997
- Hail in Texas, June 5, 1997
- Hail in Minnesota, June 5, 1997
- Hail in Iowa, June 5, 1997
- Hail in Iowa, June 5, 1997
More
Every storm in Montana in 1997Every state in 1997This day in weather historyWarnings in Montana, June 1997
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: 5604569.