Montana, 1997

Hail and Damaging Winds in Montana, August 28 to 29, 1997

August 28 to 29, 1997 · NWS GGW · 25 events in 6 counties and zones

19 thunderstorm wind, 6 hail, 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
$208,000
Crop damage
$50,000
Events
25

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 Glasgow radar (KGGW), 127 km away, was scanning. The volume nearest the first event began at 04:45 UTC.

Open the radar archive at this moment

Event by event

19 thunderstorm wind, 6 hail. Local standard time, as filed.

Hail, Phillips

When
August 28, 9:45 PM MST
Where
Phillips County, 30 mi SE of Zortman
Measured
0.75 in hail
Coordinates
47.620, -108.080

Thunderstorm Wind, Phillips

When
August 28, 9:45 PM MST to 9:46 PM MST
Where
Phillips County, 30 mi SE of Zortman
Measured
61 kt (70 mph)
Coordinates
47.620, -108.080

Thunderstorm Wind, Phillips

When
August 28, 10:00 PM MST
Where
Phillips County, 28 mi SE of Malta
Measured
58 kt (67 mph)
Coordinates
48.070, -107.430

Thunderstorm Wind, Valley

When
August 28, 11:13 PM MST
Where
Valley County, 25 mi S of Glasgow
Measured
66 kt (76 mph)
Coordinates
47.830, -106.630

Thunderstorm Wind, Valley

When
August 28, 11:30 PM MST
Where
Valley County, 7 mi SE of Glasgow
Measured
79 kt (91 mph)
Property damage
$10,000
Coordinates
48.130, -106.530

Thunderstorm winds to 91 miles an hour blew out windows in a house.

Thunderstorm Wind, Valley

When
August 28, 11:30 PM MST
Where
Valley County, Glasgow
Measured
65 kt (75 mph)
Coordinates
48.200, -106.630

At the Glasgow International Airport a wind of 76 miles an hour was recorded by ASOS.

Thunderstorm Wind, Valley

When
August 28, 11:30 PM MST
Where
Valley County, Glasgow
Property damage
$100,000
Coordinates
48.200, -106.630

Thunderstorm winds downed power lines, peeled a roof off of a local lumber yard, twisted road signs and blew down large trees. Some residents north of Glasgow were without power for two days.

Thunderstorm Wind, Valley

When
August 28, 11:31 PM MST
Where
Valley County, Ft Peck
Property damage
$500
Coordinates
48.020, -106.450

Truck window was blown out by the wind.

Thunderstorm Wind, Valley

When
August 28, 11:35 PM MST
Where
Valley County, Ft Peck
Measured
52 kt (60 mph)
Coordinates
48.020, -106.450

Hail, Valley

When
August 28, 11:35 PM MST
Where
Valley County, Ft Peck
Measured
0.75 in hail
Property damage
$50,000
Coordinates
48.020, -106.450

Hail, Valley

When
August 28, 11:45 PM MST
Where
Valley County, Ft Peck
Measured
0.02 in hail
Coordinates
48.020, -106.450

Large hail driven on winds in excess of 60 miles an hour punched holes in vinyl siding on numerous houses.

Hail, McCone

When
August 29, 12:01 AM MST
Where
McCone County, Vida to 40 mi S of Nashua
Measured
1 in hail
Coordinates
48.050, -106.300

Thunderstorm Wind, McCone

When
August 29, 12:01 AM MST
Where
McCone County, 40 mi WNW of Vida
Measured
70 kt (81 mph)
Crop damage
$50,000
Coordinates
48.050, -106.300

Thunderstorm winds to 80 mph in combination with one inch hail destroyed wheat which was almost ready to be combined.

Thunderstorm Wind, Valley

When
August 29, 12:10 AM MST
Where
Valley County, Frazer
Measured
70 kt (81 mph)
Coordinates
48.050, -106.030

Power outages caused by the storm causes the Frazer Schools to be closed the next day.

Thunderstorm Wind, Valley

When
August 29, 12:15 AM MST
Where
Valley County, 3 mi N of Oswego
Measured
64 kt (74 mph)
Coordinates
48.100, -105.870

Thunderstorm Wind, Valley

When
August 29, 12:15 AM MST
Where
Valley County, 5 mi SW of Lustre
Measured
81 kt (93 mph)
Property damage
$10,000
Coordinates
48.330, -105.980

A roof sustained damage due to the severe thunderstorm winds.

Thunderstorm Wind, Roosevelt

When
August 29, 12:17 AM MST
Where
Roosevelt County, Wolf Point to Wolf Pt Intl Arpt
Measured
67 kt (77 mph)
Coordinates
48.080, -105.650

77 mph wind measured at Wolf Point ASOS.

Thunderstorm Wind, Roosevelt

When
August 29, 12:20 AM MST
Where
Roosevelt County, Wolf Pt to Wolf Pt Intl Arpt
Measured
52 kt (60 mph)
Coordinates
48.100, -105.650

Thunderstorm Wind, Roosevelt

When
August 29, 12:45 AM MST
Where
Roosevelt County, Wolf Pt
Property damage
$10,000
Coordinates
48.100, -105.650

Thunderstorm Wind, Daniels

When
August 29, 1:00 AM MST
Where
Daniels County, 21 mi SE of Scobey
Property damage
$25,000
Coordinates
48.580, -105.080

Thunderrstorm winds nicking southeast Daniels County did damage to a farm, destorying a barn, two grain bins and a corral.

Hail, Sheridan

When
August 29, 1:15 AM MST
Where
Sheridan County, 15 mi SW of Antelope
Measured
0.75 in hail
Coordinates
48.530, -104.680

Thunderstorm Wind, Sheridan

When
August 29, 1:15 AM MST
Where
Sheridan County, 15 mi SW of Antelope
Measured
52 kt (60 mph)
Coordinates
48.530, -104.680

Hail, Roosevelt

When
August 29, 1:15 AM MST
Where
Roosevelt County, 32 mi N of Poplar
Measured
1 in hail
Coordinates
48.570, -105.200

Thunderstorm Wind, Roosevelt

When
August 29, 1:15 AM MST
Where
Roosevelt County, 32 mi N of Poplar
Measured
61 kt (70 mph)
Property damage
$2,000
Coordinates
48.570, -105.200

A Grain auger was destroyed by severe thunderstorm winds.

Thunderstorm Wind, Sheridan

When
August 29, 1:50 AM MST
Where
Sheridan County, Plentywood
Measured
52 kt (60 mph)
Coordinates
48.780, -104.570

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

More

Every storm in Montana in 1997Every state in 1997This day in weather historyWarnings in Montana, August 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: 5613003, 5613004, 5613022, 5613005, 5613006, 5613007, 5613008, 5613009, 5613010, 5613011, 5613012, 5613023, 5613024, 5613013, 5613014, 5613015, 5613016, 5613017, 5613018, 5613027, 5613019, 5613020, 5613025, 5613026, 5613021.