Damaging Winds in Montana, July 12, 2006

Name: Damaging Winds in Montana, July 12, 2006
Start: 2006-07-12T17:00
End: 2006-07-12T20:50
Location: Montana

July 12, 2006 · NWS BYZ · 33 events in 11 counties and zones

33 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. 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: 33

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.

The radar

The Billings radar (KBLX), 57 km away, was scanning. The volume nearest the first event began at 00:04 UTC.

Open the radar archive at this moment

Event by event

33 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Stillwater

When: July 12, 5:00 PM MST
Where: Stillwater County, 8 mi SSE of Columbus
Measured: 60 kt (69 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.533, -109.183

Thunderstorm Wind, Stillwater

When: July 12, 5:25 PM MST
Where: Stillwater County, 1 mi SE of Park City
Measured: 70 kt (81 mph) estimated gust
Reported by: NWS EMPLOYEE(OFF DUTY)
Coordinates: 45.617, -108.900

12 inch diameter live tree branch broken. Roof shingle damage on NWS employee house.

Thunderstorm Wind, Yellowstone

When: July 12, 5:34 PM MST
Where: Yellowstone County, 3 mi S of Billings
Measured: 60 kt (69 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.750, -108.483

Thunderstorm Wind, Carbon

When: July 12, 5:35 PM MST
Where: Carbon County, 9 mi SE of Bridger
Measured: 59 kt (68 mph) measured gust
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 45.200, -108.783

South Bridger RAWS

Thunderstorm Wind, Yellowstone

When: July 12, 5:36 PM MST
Where: Yellowstone County, 5 mi SE of Billings
Measured: 70 kt (81 mph) estimated gust
Reported by: NWS EMPLOYEE(OFF DUTY)
Coordinates: 45.750, -108.417

Thunderstorm Wind, Musselshell

When: July 12, 5:45 PM MST
Where: Musselshell County, 15 mi SSE of Roundup
Measured: 58 kt (67 mph) measured gust
Reported by: DEPT OF HIGHWAYS
Coordinates: 46.250, -108.417

Bull Mountain Divide DOT

Thunderstorm Wind, Yellowstone

When: July 12, 5:48 PM MST
Where: Yellowstone County, Billings
Measured: 70 kt (81 mph) estimated gust
Reported by: NWS EMPLOYEE(OFF DUTY)
Coordinates: 45.800, -108.483

6 to 8 inch tree limb damaged house roof in Billings Heights. Patio table broken by the wind and 4x6 foot sheets of plywood blown by the wind.

Thunderstorm Wind, Yellowstone

When: July 12, 5:49 PM MST
Where: Yellowstone County, Billings
Measured: 68 kt (78 mph) measured gust
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 45.800, -108.483

Billings ASOS also measured a peak sustained wind of 58 mph at 543 PM MST.

Thunderstorm Wind, Big Horn

When: July 12, 5:55 PM MST
Where: Big Horn County, Ft Smith
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.300, -107.933

Thunderstorm Wind, Big Horn

When: July 12, 6:00 PM MST
Where: Big Horn County, Hardin
Measured: 60 kt (69 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.733, -107.600

4 inch Cottonwood tree branches broken.

Thunderstorm Wind, Yellowstone

When: July 12, 6:08 PM MST
Where: Yellowstone County, Billings
Measured: 66 kt (76 mph) measured gust
Reported by: DEPT OF HIGHWAYS
Coordinates: 45.800, -108.483

Thunderstorm Wind, Big Horn

When: July 12, 6:15 PM MST
Where: Big Horn County, St Xavier
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.467, -107.717

2 to 3 inch Aspen tree branches broken by the wind.

Thunderstorm Wind, Yellowstone

When: July 12, 6:15 PM MST
Where: Yellowstone County, 5 mi SW of Huntley
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.850, -108.383

Thunderstorm Wind, Yellowstone

When: July 12, 6:20 PM MST
Where: Yellowstone County, 2 mi N of Shepherd
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.983, -108.350

Large Cottonwood tree uprooted across Shepherd Road.

Thunderstorm Wind, Rosebud

When: July 12, 6:30 PM MST
Where: Rosebud County, Sumatra
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 46.617, -107.550

Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind, Yellowstone

When: July 12, 6:45 PM MST
Where: Yellowstone County, 12 mi N of Pompeys Pillar
Measured: 65 kt (75 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 46.167, -107.950

Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind, Treasure

When: July 12, 6:45 PM MST
Where: Treasure County, 25 mi SSE of Hysham
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.967, -107.033

Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind, Rosebud

When: July 12, 6:50 PM MST
Where: Rosebud County, 14 mi NE of Ingomar
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 46.733, -107.150

Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind, Big Horn

When: July 12, 6:55 PM MST
Where: Big Horn County, 2 mi SE of Crow Agency
Measured: 60 kt (69 mph) measured gust
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 45.583, -107.417

Thunderstorm Wind, Rosebud

When: July 12, 7:20 PM MST
Where: Rosebud County, Colstrip
Measured: 70 kt (81 mph) measured gust
Reported by: TRAINED SPOTTER
Coordinates: 45.883, -106.583

12 inch tree branches broken.

Thunderstorm Wind, Rosebud

When: July 12, 7:20 PM MST
Where: Rosebud County, Lame Deer
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.600, -106.667

Power lines and trees down. Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind, Rosebud

When: July 12, 7:25 PM MST
Where: Rosebud County, 8 mi E of Lame Deer
Measured: 75 kt (86 mph) measured gust
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 45.600, -106.500

Measure by RAWS

Thunderstorm Wind, Rosebud

When: July 12, 7:35 PM MST
Where: Rosebud County, 1 mi SW of Rock Spgs
Measured: 63 kt (72 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 46.800, -106.267

Thunderstorm Wind, Rosebud

When: July 12, 7:38 PM MST
Where: Rosebud County, 5 mi N of Colstrip
Measured: 72 kt (83 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.950, -106.583

Several severe wind gusts over 60 mph estimated between 714 PM MST and 738 PM MST.

Thunderstorm Wind, Rosebud

When: July 12, 7:45 PM MST
Where: Rosebud County, Ashland
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.600, -106.267

4 inch Ash tree branches broken. Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind, Rosebud

When: July 12, 7:45 PM MST
Where: Rosebud County, Angela
Measured: 60 kt (69 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 46.733, -106.200

Thunderstorm Wind, Powder River

When: July 12, 7:50 PM MST
Where: Powder River County, 10 mi W of Broadus
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.450, -105.617

Thunderstorm Wind, Powder River

When: July 12, 7:55 PM MST
Where: Powder River County, Broadus
Measured: 60 kt (69 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.450, -105.417

Roof blown off shed.

Thunderstorm Wind, Custer

When: July 12, 8:00 PM MST
Where: Custer County, Volborg
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.850, -105.683

Window broken by wind blown tree limb.

Thunderstorm Wind, Powder River

When: July 12, 8:05 PM MST
Where: Powder River County, 9 mi NW of Broadus
Measured: 65 kt (75 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.550, -105.550

Thunderstorm Wind, Custer

When: July 12, 8:07 PM MST
Where: Custer County, Miles City
Measured: 61 kt (70 mph) estimated gust
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 46.400, -105.833

Thunderstorm Wind, Carter

When: July 12, 8:30 PM MST
Where: Carter County, 7 mi NE of Boyes
Measured: 60 kt (69 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.333, -104.933

Thunderstorm Wind, Fallon

When: July 12, 8:50 PM MST
Where: Fallon County, 15 mi W of Plevna
Measured: 70 kt (81 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 46.417, -104.833

2 to 3 inch diameter Cottonwood tree branches broken by the wind.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

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

The same day elsewhere

Every storm in Montana in 2006 Every state in 2006 This day in weather history Warnings in Montana, July 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 2026-09-30. Each event’s entry at NCEI: 5525014, 5525015, 5525016, 5525017, 5525018, 5525019, 5525020, 5525021, 5525022, 5525023, 5525024, 5525025, 5525026, 5525027, 5525028, 5525029, 5525030, 5525031, 5525032, 5525033, 5525034, 5525035, 5525036, 5525087, 5525088, 5525089, 5525090, 5525091, 5525092, 5525093, 5525094, 5525095, 5525096.