Montana, 1997

Blizzard in Montana, April 4 to 6, 1997

April 4 to 6, 1997 · NWS BYZ · 4 events in 4 counties and zones

BLIZZARD KILLED NEARLY 50,000 HEADOF CATTLE AND SHEEP ACROSS SOUTHEAST MONTANA. 24,285 COWS AND CALVES, 25,111 SHEPP AND LAMBS WERE KILLED FROM BLIZZARD CONDITIONS.

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.

BLIZZARD KILLED NEARLY 50,000 HEADOF CATTLE AND SHEEP ACROSS SOUTHEAST MONTANA. 24,285 COWS AND CALVES, 25,111 SHEPP AND LAMBS WERE KILLED FROM BLIZZARD CONDITIONS.

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, Custer

When
April 4, 12:00 PM MST to April 6, 10:00 PM MST
Where
Custer forecast zone
Coordinates
46.253, -105.572 (the zone’s center; the record gives no point)

Blizzard, Carter

When
April 4, 12:00 PM MST to 10:00 PM MST
Where
Carter forecast zone
Coordinates
45.517, -104.536 (the zone’s center; the record gives no point)

Blizzard, Fallon

When
April 4, 12:00 PM MST to 10:00 PM MST
Where
Fallon forecast zone
Coordinates
46.334, -104.417 (the zone’s center; the record gives no point)

Blizzard, Powder River

When
April 4, 12:00 PM MST to 10:00 PM MST
Where
Powder River forecast zone
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 1997Every state in 1997This day in weather historyWarnings in Montana, April 1997

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: 5594078, 5594079, 5594080, 5594081.