Montana, 2006

Blizzard in Montana, April 19 to 20, 2006

April 19 to 20, 2006 · NWS BYZ · 4 events in 4 counties and zones

A powerful spring storm affected southeast Montana beginning April 17th and lasting through the 20th. Severe thunderstorms produced damaging hail in Carter County on the 17th breaking out windows in at least one home.

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

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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 BYZ wrote it up.

A powerful spring storm affected southeast Montana beginning April 17th and lasting through the 20th. Severe thunderstorms produced damaging hail in Carter County on the 17th breaking out windows in at least one home. From the 17th, into the early morning hours of the 18th, widespread rainfall totals of 1 to 2 inches fell over this area before changing over to snow. Snow began across the higher elevations early on the 18th and across the lower elevations by the afternoon of the 18th. Spotter reports across much of Carter County and portions of Fallon County indicated 2 to 3 feet of snow fell. In addition to the heavy snow, winds of 50 mph to 60 mph began on the 18th and lasted through the 19th building drifts averaging 4 to 5 feet deep. Drifts near Ekalaka were reported as high as 10 feet deep in places. Power was lost across much of Carter County outside of the immediate Ekalaka area...with spotty power outages reported over Fallon and Eastern Powder River Counties. Reports indicated numerous power poles snapped and power lines down across Carter County. The following is a comprehensive list of storm reports of snow and rain that were received:8 inches 17 NE Ashland; 10 inches 2NNE Albion (1.79" liquid equivalent; electricity out for 48 hours; tops broken off of 25 year old trees); 15 inches in Plevna; 32 inches in Willard with 8 foot drifts; 18 inches 13SE Baker (power outages; cows broke through fences; many calves lost); 20 inches 15NE Ekalaka (heavy tree damage due to heavy snow and ice; dams around the area are full; some thunder and lightning with the onset of the snow; snow is blue in color with heavy moisture content)12 inches 15W Ekalaka (1.50" of rain before the snow started; 40 to 50 mph winds with 3 foot drifts; power out for 48 hours); 24 inches 11N Ekalaka (1.48" of rain before snow started; 50 mph winds with 4 to 5 foot drifts); 12 inches 18NNE Baker; 18 inches in Ekalaka (24 inch snow depth; 1.96" liquid for previous 24 hours); 12 inches 3E Webster (6 to 7 foot drifts; 2.30" liquid; numerous cattle missing; only travel via 4 wheel drive tractors); 16 inches 3ENE Mill Iron ( 5 foot drifts; 2.95" liquid); 30 inches 3S Webster (8 to 9 foot drifts; 1.50" of rain before the snow started); 2.71 inches of rain 8NNE Powderville (heavy wet snow took out power; winds were in excess of 50 mph)12 inches 10ENE Alzada with drifts of 3 to 7 feet and power outages; 24 inches 2S Ekalaka with 4 to 5 foot drifts (two Blue Spruce trees 6 inches in diameter snapped off with 50 mph winds); 30 inches in Ekalaka with 10 foot drifts and 40 mph winds (3.5 inches of liquid with the event); 10 inches in Boyes. (rancher lost some lambs; 3 inches of liquid with the event); 8 inches 5SW Albion with 2 foot drifts and 60 mph winds; 12 inches in Alzada with 2.1 inches of liquid; 20 inches 1NE Willard; 30 inches 5W Willard with 8 to 9 foot drifts; 24 inches with 6 foot drifts 12SW Ekalaka; 18 inches with 6+ foot drifts and trees down 5W Ekalaka; 10 inches with 4 foot drifts 1N Albion (50-60 mph winds; power outages; 1.79 inches of liquid)12 inches with 5 foot drifts 10S Ekalaka (50 mph winds. No power for two days); 18 inches 6S Ekalaka (No power outside of Ekalaka; roads closed throughout the county; 8 to 9 foot drifts; 1.9 inches of rain prior to the storm; 8 inch branches knocked off trees); 3.14 inches of rain 18WSW Willard before turning to snow (lost power); 12 inches with 8 foot drifts 15WNW Ridgeway (2 inches of rain before the snow event);15 inches with 60 mph winds and 10 foot drifts resulting in broken power poles and broken wires in the bell tower area 8N Capitol; 12 inches with 6 to 10 foot drifts 6NE Albion (Possible loss of 100 calves, ranch hand became lost and rode out the storm in an abandoned building)

The radar

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

Open the radar archive at this moment

Event by event

4 blizzard. Local standard time, as filed.

Blizzard, Carter

When
April 19, 5:00 PM MST to April 20, 10:15 AM MST
Where
Carter forecast zone
Reported by
TRAINED SPOTTER
Coordinates
45.517, -104.536 (the zone’s center; the record gives no point)

Blizzard, Custer

When
April 19, 5:00 PM MST to April 20, 10:15 AM MST
Where
Custer forecast zone
Reported by
TRAINED SPOTTER
Coordinates
46.253, -105.572 (the zone’s center; the record gives no point)

Blizzard, Fallon

When
April 19, 5:00 PM MST to April 20, 10:15 AM MST
Where
Fallon forecast zone
Reported by
TRAINED SPOTTER
Coordinates
46.334, -104.417 (the zone’s center; the record gives no point)

Blizzard, Powder River

When
April 19, 5:00 PM MST to April 20, 10:15 AM MST
Where
Powder River forecast zone
Reported by
TRAINED SPOTTER
Coordinates
45.395, -105.630 (the zone’s center; the record gives no point)

What these are

Blizzard
Sustained winds or frequent gusts of 35 mph or more with falling or blowing snow that cuts visibility below a quarter mile for three hours or longer.

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

The same day elsewhere

More

Every storm in Montana in 2006Every state in 2006This day in weather historyWarnings in Montana, April 2006

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 2026-09-24. Each event’s entry at NCEI: 5503464, 5503465, 5503466, 5503467.