Montana, 2010

Winter Storm in Montana, April 29 to 30, 2010

April 29 to 30, 2010 · NWS GGW · 1 event in 1 county or zone

An upper trough over the area provided a moist and cold flow airstream that was lifted provided a heavy snowfall and windy conditions to southwest Phillips county.

Where it happened

Every event with a place to put it; 1 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

An upper trough over the area provided a moist and cold flow airstream that was lifted provided a heavy snowfall and windy conditions to southwest Phillips county.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Glasgow, MT wrote its last area forecast discussion before the first event at Apr 28, 3:58 PM MST, 12 hours 2 minutes earlier.

Area forecast discussion, Apr 28, 3:58 PM MST, 12 hours 2 minutes before
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Hazardous weather outlook, Apr 28, 3:47 PM MST, 12 hours 13 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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The radar

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

Open the radar archive at this moment

Event by event

1 winter storm. Local standard time, as filed.

Winter Storm, Little Rocky Mountains

When
April 29, 4:00 AM MST to April 30, 11:00 PM MST
Where
Little Rocky Mountains forecast zone
Reported by
Trained Spotter
Coordinates
48.259, -107.913 (the zone’s center; the record gives no point)

Trained spotter in Landusky reported 12 inches of new snowfall along with wind gusts of 50 to 60 mph. Site elevation is above 4500 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

More

Every storm in Montana in 2010Every state in 2010This day in weather historyWarnings in Montana, April 2010

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 2026-09-30. Each event’s entry at NCEI: 219737.