Winter Storm, Gallatin
- When
- November 24, 7:05 AM MST
- Where
- Gallatin forecast zone
- Reported by
- Department of Highways
Due to slick, snow-covered roads, MT DOT required towing units to have chains on I-90 at Bozeman Pass.
Winter Storm in Montana, November 24, 2018
Lift induced by an approaching trough aloft from the west combined with abundant Pacific moisture streaming into southwest and central Montana to generate periods of snow during the evening of November 23rd into the 24th. The most impactful snow fell in the mountains of southwest Montana, especially on the 24th.
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 TFX wrote it up.
Lift induced by an approaching trough aloft from the west combined with abundant Pacific moisture streaming into southwest and central Montana to generate periods of snow during the evening of November 23rd into the 24th. The most impactful snow fell in the mountains of southwest Montana, especially on the 24th.
Event by event
3 winter storm. Local standard time, as filed.
Winter Storm, Jefferson
- When
- November 24, 8:37 AM MST
- Where
- Jefferson forecast zone
- Reported by
- Department of Highways
MT DOT webcam showed near-zero visibility in heavy snow along a snow-covered Elk Park Pass on I-15. Elevation: 6293 feet MSL.
Winter Storm, Southern Lewis and Clark
- When
- November 24, 8:40 AM MST
- Where
- Southern Lewis and Clark forecast zone
- Reported by
- Department of Highways
MT DOT webcam showed near-zero visibility in heavy snow along a snow-covered MacDonald Pass on US-12. Elevation: 6320 feet MSL.
What these are
- Winter Storm
- A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Damaging Winds in North Carolina, November 24, 2018
- Winter Weather in Virginia, November 24, 2018
- Blizzard and Winter Weather in Nebraska, November 24 to 25, 2018
- High Wind in Colorado, November 24 to 25, 2018
- Winter Weather in North Carolina, November 24, 2018
- Flooding in Maryland, November 24 to 25, 2018
- Winter Storm and Winter Weather in West Virginia, November 24, 2018
- Marine Thunderstorm Winds in North Atlantic Coastal Waters, November 24, 2018
- Flooding in Virginia, November 24 to 25, 2018
- Ice Storm in North Carolina, November 24, 2018
- Winter Storm and Winter Weather in Maryland, November 24, 2018
- Heavy Snow in Nevada, November 24 to 25, 2018
More
Every storm in Montana in 2018Every state in 2018This day in weather historyWarnings in Montana, November 2018
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: 787819, 787820, 787818.