Heavy Snow, Custer
- When
- December 30, 10:50 AM MST to 6:52 PM MST
- Where
- Custer forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 46.253, -105.572 (the zone’s center; the record gives no point)
Heavy Snow in Montana, December 30, 2004
The year ended with some heavy snowfall across portions of South Central Montana. The following are some accumulation amounts:6 inches 19NW Miles City; 6 inches 7N Miles City; 7 inches 3W Delphia; 7 inches in Hardin; 9 inches 2N Hardin; 7 inches in Delphia.
Where it happened
Every event with a place to put it; 3 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
- 3
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.
The year ended with some heavy snowfall across portions of South Central Montana. The following are some accumulation amounts:6 inches 19NW Miles City; 6 inches 7N Miles City; 7 inches 3W Delphia; 7 inches in Hardin; 9 inches 2N Hardin; 7 inches in Delphia.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 heavy snow. Local standard time, as filed.
Heavy Snow, Musselshell
- When
- December 30, 10:50 AM MST to 6:52 PM MST
- Where
- Musselshell forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 46.497, -108.398 (the zone’s center; the record gives no point)
Heavy Snow, Northern Big Horn
- When
- December 30, 10:50 AM MST to 6:52 PM MST
- Where
- Northern Big Horn forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.424, -107.490 (the zone’s center; the record gives no point)
What these are
- Heavy Snow
- Snowfall reaching the local warning threshold without the other hazards of a winter storm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flood and Winter Storm in California, December 30 to 31, 2004
- High Surf in Puerto Rico, December 30, 2004
- Ice Storm in Minnesota, December 30, 2004
- Ice Storm in Michigan, December 30, 2004
- Blizzard and High Wind in Alaska, December 30 to 31, 2004
- Ice Storm in Minnesota, December 30, 2004
- Ice Storm in North Dakota, December 30, 2004
- Heavy Snow in Nevada, December 30 to 31, 2004
- Ice Storm in Wisconsin, December 30, 2004
- High Wind in Oregon, December 30, 2004
- Heavy Snow in Idaho, December 30 to 31, 2004
- Flash Flood in California, December 30, 2004
More
Every storm in Montana in 2004Every state in 2004This day in weather historyWarnings in Montana, December 2004
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: 5429228, 5429229, 5429230.