Hail, Valley
- When
- July 29, 2:55 PM MST
- Where
- Valley County, 6 mi SE of Lustre
- Measured
- 1 in hail
- Reported by
- Trained Spotter
- Coordinates
- 48.319, -105.808
Mixed with nickel size hail.
Hail and Damaging Winds in Montana, July 29, 2010
Severe thunderstorms developed north of Wolf Point (Roosevelt County) and marched southeast into Richland County. Hail the size of tennis balls and damaging winds occurred in central Roosevelt County.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 13
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.
Severe thunderstorms developed north of Wolf Point (Roosevelt County) and marched southeast into Richland County. Hail the size of tennis balls and damaging winds occurred in central Roosevelt County.
The radar
The Glasgow radar (KGGW), 62 km away, was scanning. The volume nearest the first event began at 21:54 UTC.
Event by event
8 hail, 5 thunderstorm wind. Local standard time, as filed.
Hail, Roosevelt
- When
- July 29, 3:35 PM MST to 3:45 PM MST
- Where
- Roosevelt County, 17 mi NE of Wolf Pt
- Measured
- 2.5 in hail
- Reported by
- Trained Spotter
- Coordinates
- 48.274, -105.389
At 1535 MST 17 miles northeast of Wolf Point 2.5 hail along with heavy rain occurred. Total rainfall was 1.5 and hail completely covered the ground.
Hail, Valley
- When
- July 29, 3:50 PM MST
- Where
- Valley County, 2 mi E of Lustre
- Measured
- 0.88 in hail
- Reported by
- Trained Spotter
- Coordinates
- 48.380, -105.856
Trained spotter reported nickel size hail at his neighbors home.
Hail, Daniels
- When
- July 29, 4:00 PM MST to 4:05 PM MST
- Where
- Daniels County, 10 mi SE of Scobey to 8 mi SSE of Scobey
- Measured
- 1 in hail
- Reported by
- Trained Spotter
- Coordinates
- 48.698, -105.265
At 1600 MST 10 miles southeast of Scobey spotter observed 1 inch hail and heavy rain which damaged crop. At 1605 MST 8 miles south-southeast of Scobey 0.75 hail fell.
Thunderstorm Wind, Roosevelt
- When
- July 29, 4:05 PM MST to 4:10 PM MST
- Where
- Roosevelt County, 3 mi NNE of Poplar
- Measured
- 61 kt (70 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 48.140, -105.175
A measured wind gust of 60 mph occurred 3 miles north-northeast of Poplar at the airport.
Thunderstorm Wind, Roosevelt
- When
- July 29, 4:10 PM MST
- Where
- Roosevelt County, 6 mi N of Poplar
- Measured
- 61 kt (70 mph) estimated gust
- Reported by
- Public
- Coordinates
- 48.187, -105.200
Strong winds lifted a work rig over, a treater tank was blown apart. Power lines were downed.
Hail, Roosevelt
- When
- July 29, 4:55 PM MST
- Where
- Roosevelt County, Brockton
- Measured
- 1.75 in hail
- Reported by
- Trained Spotter
- Coordinates
- 48.150, -104.920
Spotter observed hail ranging in size from small marbles to golfball size.
Thunderstorm Wind, Roosevelt
- When
- July 29, 5:20 PM MST
- Where
- Roosevelt County, Poplar Raws
- Measured
- 60 kt (69 mph) measured gust
- Reported by
- RAWS
- Coordinates
- 48.130, -105.070
Hail, Richland
- When
- July 29, 5:25 PM MST
- Where
- Richland County, 26 mi NW of Sidney
- Measured
- 0.75 in hail
- Reported by
- Public
- Coordinates
- 47.966, -104.546
Thunderstorm Wind, Richland
- When
- July 29, 6:10 PM MST to 6:12 PM MST
- Where
- Richland County, Fairview to 1 mi SW of Fairview
- Measured
- 61 kt (70 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 47.850, -104.050
At 1810 MST in Fairview, an estimated 60 mph wind gust occurred. At 1812 1 mile southwest of Fairview, an estimated 70 mph wind caused a 4 inch diameter tree to snap at the base.
Hail, Richland
- When
- July 29, 6:15 PM MST
- Where
- Richland County, 5 mi N of Fairview
- Measured
- 1.75 in hail
- Reported by
- Public
- Coordinates
- 47.922, -104.050
The mixture of hail and heavy rain destroyed the garden.
Hail, McCone
- When
- July 29, 6:18 PM MST
- Where
- McCone County, 19 mi SE of Ft Peck Lake Handar
- Measured
- 0.88 in hail
- Reported by
- Trained Spotter
- Coordinates
- 47.826, -106.060
Fell along with heavy rain.
Thunderstorm Wind, McCone
- When
- July 29, 6:18 PM MST
- Where
- McCone County, 19 mi SE of Ft Peck Lake Handar
- Measured
- 52 kt (60 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 47.826, -106.060
Spotter estimated wind gust of 60 mph.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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
- Heat in Mississippi, July 29 to 31, 2010
- Heat in Tennessee, July 29 to 31, 2010
- Heat in Illinois, July 29, 2010
- Hail and Damaging Wind in South Dakota, July 29, 2010
- Hail and Damaging Winds in South Dakota, July 29, 2010
- Tornado and Dust Storm in Arizona, July 29, 2010
- Hail and Damaging Winds in North Carolina, July 29, 2010
- Hail and Damaging Winds in North Dakota, July 29, 2010
- Flash Flooding and Heavy Rain in South Dakota, July 29 to 30, 2010
- Hail and Damaging Winds in Virginia, July 29, 2010
- Lightning Strikes in Florida, July 29, 2010
- Damaging Winds in Tennessee, July 29 to 31, 2010
More
Every storm in Montana in 2010Every state in 2010This day in weather historyWarnings in Montana, July 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 2026-10-01. Each event’s entry at NCEI: 243969, 243970, 254948, 243973, 243972, 243971, 244977, 244982, 244979, 244981, 244992, 244985, 244989.