Montana, 2024

Ice Storm in Montana, December 15, 2024

December 15, 2024 · NWS GGW · 6 events in 6 counties and zones

Freezing 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.

Where it happened

Every event with a place to put it; 6 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

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The toll

Deaths
0
Injuries
10
Property damage
None recorded
Crop damage
None recorded
Events
6

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 GGW wrote it up.

Freezing 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. Interstate 94 was closed from Glendive to Miles City from 430 am to approximately 10 am. Severe driving conditions were reported in many areas east of a line from Scobey to Jordan.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

6 ice storm. Local standard time, as filed.

Ice Storm, Sheridan

When
December 15, 3:00 AM MST to 11:15 AM MST
Where
Sheridan forecast zone
Injuries
1 direct, 0 indirect
Reported by
911 Call Center
Coordinates
48.721, -104.505 (the zone’s center; the record gives no point)

Freezing rain fell across the county with an accumulation of a 0.10 to 0.34, causing a person to fall in Plentywood. Also, severe driving conditions were noted on the Montana DOT 511 website, mainly near and south of Medicine Lake, through the morning.

Ice Storm, Western Roosevelt

When
December 15, 3:00 AM MST to 11:30 AM MST
Where
Western Roosevelt forecast zone
Injuries
1 direct, 0 indirect
Reported by
911 Call Center
Coordinates
48.295, -105.016 (the zone’s center; the record gives no point)

Roosevelt County Dispatch reported an injury from a semi-truck overturning 1 ENE Bainville at about 900 am. Rainfall accumulation of 0.41 in Froid was reported with ice accumulations at least 0.10 across eastern Roosevelt County. Severe driving conditions were reported by Montana DOT 511 website, along route 16 from Culbertson to Plentywood and potions of highway 2 from approximately 4:30am until 11:30 am.

Ice Storm, Richland

When
December 15, 3:00 AM MST to 10:00 AM MST
Where
Richland forecast zone
Injuries
1 direct, 0 indirect
Reported by
Emergency Manager
Coordinates
47.788, -104.561 (the zone’s center; the record gives no point)

Rainfall of 0.05 (eastern Richland) to 0.52 (central Richland) and freezing temperatures and frozen ground resulted in a widespread icy glaze. A person falling in Sidney resulted in an injury.

Ice Storm, Dawson

When
December 15, 3:00 AM MST to 11:30 AM MST
Where
Dawson forecast zone
Injuries
4 direct, 0 indirect
Reported by
Emergency Manager
Coordinates
47.266, -104.899 (the zone’s center; the record gives no point)

Four injuries occurred with this icing event in Dawson County. Interstate 94 was closed from Glendive to Miles City from 430 am to around 1030 am due to severe driving conditions, lanes blockages due to accidents. Three of the injuries were from semi-tractor trailer accidents. Emergency travel only, and severe driving conditions, were also noted on the Montana (MT) DOT 511 website along 200s from Circle to Glendive.

Ice Storm, Wibaux

When
December 15, 3:00 AM MST to 12:00 PM MST
Where
Wibaux forecast zone
Reported by
Department of Highways
Coordinates
46.965, -104.249 (the zone’s center; the record gives no point)

Montana DOT 511 website show I-94 between Miles City to Glendive closed from approximately 4:30am until 11:30 am due to severe driving conditions, lanes blockages due to accidents.

Ice Storm, Prairie

When
December 15, 3:00 AM MST to 10:00 AM MST
Where
Prairie forecast zone
Injuries
3 direct, 0 indirect
Reported by
Law Enforcement
Coordinates
46.861, -105.378 (the zone’s center; the record gives no point)

Three injuries occurred with this icing event in Prairie County. Interstate 94 was closed from Glendive to Miles City from 430 am to 10 am. Two of the injuries required emergency treatment. Emergency travel only, or severe driving conditions were noted on the Montana DOT 511 website in the area.

What these are

Ice Storm
Freezing rain accumulating a quarter inch or more of ice, or less where it caused significant damage.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Montana in 2024Every state in 2024This day in weather historyWarnings in Montana, December 2024

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: 1220445, 1220446, 1220447, 1220448, 1220449, 1220450.