Heavy Snow, Green Mountains / S Fremont
- When
- April 6, 10:00 PM MST to April 7, 4:00 PM MST
- Where
- Green Mountains / S Fremont forecast zone
- Coordinates
- 42.904, -109.273 (the zone’s center; the record gives no point)
Heavy Snow in Wyoming, April 6 to 7, 1998
Narrow strip of heavy snow extending from the southwestern Big Horn Mountains to the Green Mountains. Local amounts of 7 to 9 inches.
Where it happened
Every event with a place to put it; 4 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
- 4
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.
Narrow strip of heavy snow extending from the southwestern Big Horn Mountains to the Green Mountains. Local amounts of 7 to 9 inches.
The radar
The national radar mosaic for the moment the first event began.
Event by event
4 heavy snow. Local standard time, as filed.
Heavy Snow, Natrona / Natrona Except X Se
- When
- April 6, 10:00 PM MST to April 7, 4:00 PM MST
- Where
- Natrona / Natrona Except X Se forecast zone
- Coordinates
- 42.904, -109.273 (the zone’s center; the record gives no point)
Heavy Snow, Western Big Horn Mountains / E Big Horn / E Washakie
- When
- April 6, 10:00 PM MST to April 7, 4:00 PM MST
- Where
- Western Big Horn Mountains / E Big Horn / E Washakie forecast zone
- Coordinates
- 42.433, -109.520 (the zone’s center; the record gives no point)
Heavy Snow, Wind River Basin / Nc and E Fremont
- When
- April 6, 10:00 PM MST to April 7, 4:00 PM MST
- Where
- Wind River Basin / Nc and E Fremont forecast zone
- Coordinates
- 43.100, -110.623 (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
- Tornadoes and Flooding in Iowa, April 6, 1998
- Tornado and Flash Flood in Kansas, April 6, 1998
- Hail and Damaging Winds in Oklahoma, April 6 to 7, 1998
- Tornado and Hail in Oklahoma, April 6, 1998
- Lightning Strike in Nebraska, April 6, 1998
- Hail and Damaging Winds in Arkansas, April 6, 1998
- Tornado and Hail in Texas, April 6, 1998
- Hail in Texas, April 6, 1998
- Hail in Minnesota, April 6, 1998
- Hail in Kansas, April 6, 1998
- Heavy Snow in Nevada, April 6, 1998
- Dust Devil in Virginia, April 6, 1998
More
Every storm in Wyoming in 1998Every state in 1998This day in weather historyWarnings in Wyoming, April 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: 5638202, 5638203, 5638204, 5638205.