Ice Storm in Montana

Events

92

Deaths

2

Injuries

13

Damage

$30,000

• Ice Storm in Montana, November 19, 19972 deaths · 1 eventA couple from Turah, not wearing seatbelts, were killed when their car slid out of control on an icy Interstate 90.There were approximately 30 vehicles involved in 20 accidents across town that morning.
• Ice Storm in Montana, December 15, 202410 injured · 6 eventsFreezing rain spread northeast across a portion of northeast Montana early Sunday morning. This resulted in 10 injuries, with 4 in Dawson county, 3 in Prairie, and 1 each in Sheridan, Roosevelt and Richland counties.
• Ice Storm and Winter Weather in Montana, December 14, 20104 injured · 5 eventsA mild and moist Pacific airmass moved up and over a colder airmass at the surface. Temperatures in many areas were below freezing where the rainfall occurred. Automobile accidents and road closures occurred in many areas in Valley, Roosevelt, Richland and Sheridan counties.
• Ice Storm in Montana, November 21 to 22, 2014$30,000 · 2 eventsPre-frontal rain began to fall on cold surfaces in the Flathead Valley. With ground temperatures near freezing, emergency managers reported slick road conditions with multiple accidents due to weather.
• Ice Storm and Heavy Snow in Montana, January 15 to 19, 201218 eventsOver a period of 5 days, a large, complex and dangerous storm system moved into Idaho and western Montana. This storm had a number of factors that interacted to produce a wide range of snowfall totals, precipitation types and temperature ranges.
• Blizzard and Ice Storm in Montana, November 1, 200014 eventsA moderate area of low pressure was positioned over the central and southern Great Basin and central Rockies. A strong storm moved north-northeast from the Great Basin to "close off" over western North Dakota by November 1st.
• Ice Storm in Montana, December 27, 200012 eventsAn ice storm moved through northeastern Montana producing from a quarter inch to over an inch of ice across the region. Nearly all the paved roads were closed, including Interstate 94 from Terry east to the North Dakota border.
• Ice Storm in Montana, January 8, 200912 eventsA warm front ahead of a winter storm moved through the region. With moisture overrunning this warm front and the snow pack that was on the ground, ice accumulations of over one quarter of an inch happened in parts of the county warning area.
• Ice Storm in Montana, December 29 to 30, 199811 eventsA widespread area of rain spread eastward over a shallow Arctic airmass at the lower levels of the atmosphere. As a result the rain froze as it came into contact with the surface. In the Billings area alone there were 31 automobile accidents as a result of the freezing rain.
• Ice Storm and Winter Weather in Montana, February 13, 201610 eventsPrecipitation from a northern Rockies weather system moved across northeast Montana just ahead of a warm front. The lingering surface temperatures below freezing set up perfect conditions for accumulating freezing rain and ice during the Saturday morning hours.
• Ice Storm and Heavy Snow in Montana, December 11 to 13, 20258 eventsAn initial Canadian cold front brought a much colder airmass southward through North-central Montana to nearly the I-90 corridor on the 11th. As a mid level warm front overran this airmass, instances of heavy snow were observed from the 12th into the 13th.
• Ice Storm and Winter Storm in Montana, February 1, 20257 eventsVery cold ground temperatures combined with rainfall caused wet roads to ice up from north-central Idaho into western Montana. This event started on January 31.
• Ice Storm and Winter Storm in Montana, January 31, 20257 eventsVery cold ground temperatures combined with rainfall caused wet roads to ice up from north-central Idaho into western Montana.
• Ice Storm in Montana, January 10 to 11, 19996 eventsA warm front produced a widespread area of freezing rain over southeastern Montana as it slowly moved east. Numerous roads had to be closed across southeastern Montana for several hours including interstate 94 between Lockwood and Terry.
• Ice Storm and Winter Storm in Montana, January 17 to 18, 20056 eventsThe combination of cold arctic air trapped in the valleys of western Montana and warm pacific air over riding the dome of cold air, caused very hazardous winter and ice storm conditions throughout northwest and west central Montana.
• Ice Storm in Montana, December 20 to 21, 20096 eventsFreezing rain developed over portions of North Central Montana. Ice accumulations of one-quarter inch were reported.
• Ice Storm in Montana, December 28, 20085 eventsA warm front moved across the area ahead of a major winter storm. Light freezing rain intensified to produce significant freezing rain for this region. Accumulations ranged from a tenth of an inch to a quarter of an inch of rain.
• Ice Storm and Heavy Snow in Montana, November 29 to 30, 20195 eventsA large low pressure system from the Pacific coast, moved eastward through the central Rocky Mountains on a track which pulled in enough warm air from the south to allow a snow and freezing rain mix which impacted many locations across northeast Montana.
• Ice Storm in Montana, December 3 to 4, 20154 eventsWarm and moist air moved into the Northern Rockies from subtropical latitudes ahead of an upper level trough. This in turn caused freezing rain due to below freezing temperatures in western Montana Valleys.
• Ice Storm and Heavy Rain in Montana, January 5 to 6, 20234 eventsA compact weather disturbance brought a mix of rain, snow, and freezing rain to the area. Steady rain occurred across much of the area during the overnight hours of January 5th into the 6th.
• Ice Storm in Montana, January 8, 20093 eventsA warm front moved across the eastern portions of the Billings Forecast Area. Light rain associated with the front froze on roadways and surfaces as a result of below freezing surface temperatures.
• Ice Storm in Montana, January 16, 20112 eventsAn ice storm occurred in McCone and Dawson counties as a warm front to the southwest allowed warmer air to override the colder air at the surface.
• Ice Storm and Winter Weather in Montana, December 9, 20202 eventsA Pacific cold front brought a wintry mix of precipitation across northwest Montana. Freezing rain was observed as valley cold air pools kept ground temperatures at or below freezing.
• Ice Storm and Winter Weather in Montana, December 7 to 8, 20242 eventsAn atmospheric river brought freezing rain as valleys remained under inversions.
• Ice Storm in Montana, January 1, 20061 eventFreezing rain fell over portions of Northern Montana early on New Year's Day. The Montana Department of Transportation reported over 167 miles of roads that were ice covered and used 49 trucks to spread de-icer and sand over the area.

Ice Storm everywhereEvery kind of event in Montana

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.