Heavy Snow, Yellowstone National Park
- When
- December 20, 3:00 AM MST to 11:00 PM MST
- Where
- Yellowstone National Park forecast zone
- Coordinates
- 44.228, -110.089 (the zone’s center; the record gives no point)
Heavy Snow in Wyoming, December 20, 1996
Over a foot of new snow in southern Yellowstone National Park and in northern Wind River Mountains. 8 inches of new snow near Bedford.
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 RIW wrote it up.
Over a foot of new snow in southern Yellowstone National Park and in northern Wind River Mountains. 8 inches of new snow near Bedford.
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, Southeast Big Horn Basin
- When
- December 20, 3:00 AM MST to 11:00 PM MST
- Where
- Southeast Big Horn Basin forecast zone
- Coordinates
- 43.905, -107.683 (the zone’s center; the record gives no point)
Heavy Snow, Upper Wind River Basin
- When
- December 20, 3:00 AM MST to 11:00 PM MST
- Where
- Upper Wind River Basin forecast zone
- Coordinates
- 43.041, -108.630 (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
- Winter Storm in California, December 20 to 23, 1996
- Heavy Snow in California, December 20 to 22, 1996
- Winter Storm in Montana, December 20 to 30, 1996
- Heavy Snow in Utah, December 20 to 24, 1996
- High Wind in Colorado, December 20, 1996
- Winter Storm in Nevada, December 20 to 23, 1996
- Blizzard in North Dakota, December 20 to 21, 1996
- Heavy Snow in Idaho, December 20 to 21, 1996
- Winter Storm in Colorado, December 20 to 21, 1996
- Blizzard in Minnesota, December 20 to 21, 1996
- High Wind in Montana, December 20, 1996
- Heavy Snow in Pennsylvania, December 20, 1996
More
Every storm in Wyoming in 1996Every state in 1996This day in weather historyWarnings in Wyoming, December 1996
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: 5576711, 5576712, 5576713.