Montana, 2000

Tornado and Flash Flooding in Montana, July 10, 2000

July 10, 2000 · NWS GGW · 29 events in 10 counties and zones

22 hail, 4 flash flood, 2 thunderstorm wind, 1 tornado, as filed by the National Weather Service.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$10,000
Crop damage
$100,000
Events
29

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), 228 km away, was scanning. The volume nearest the first event began at 21:52 UTC.

Open the radar archive at this moment

Event by event

22 hail, 4 flash flood, 2 thunderstorm wind, 1 tornado. Local standard time, as filed.

Hail, Wibaux

When
July 10, 2:54 PM MST
Where
Wibaux County, Wibaux
Measured
1.25 in hail
Reported by
EMERGENCY MANAGER
Coordinates
46.983, -104.183

Hail, Phillips

When
July 10, 3:35 PM MST
Where
Phillips County, 6 mi N of Dodson
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
48.483, -108.233

Hail, Wibaux

When
July 10, 3:51 PM MST
Where
Wibaux County, 7 mi S of Wibaux
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
46.883, -104.183

Hail was 3-4 inches deep.

Hail, Phillips

When
July 10, 4:03 PM MST
Where
Phillips County, Malta
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
48.350, -107.867

Hail, Phillips

When
July 10, 4:05 PM MST to 4:06 PM MST
Where
Phillips County, Malta
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
48.350, -107.867

Hail, Wibaux

When
July 10, 4:06 PM MST
Where
Wibaux County, 12 mi S of Wibaux
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
46.817, -104.183

Hail, Phillips

When
July 10, 4:12 PM MST
Where
Phillips County, 15 mi E of Malta
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
48.350, -107.533

Hail, Phillips

When
July 10, 4:16 PM MST
Where
Phillips County, 7 mi E of Malta
Measured
0.88 in hail
Reported by
LAW ENFORCEMENT
Coordinates
48.350, -107.717

Flash Flood, Phillips

When
July 10, 4:28 PM MST
Where
Phillips County, Malta
Reported by
LAW ENFORCEMENT
Coordinates
48.259, -107.913 (the zone’s center; the record gives no point)

Heavy rain caused rapidly rising water in downtown Malta. Streets were flooded included the town underpass. Several business had parking lots flooded.

Hail, Phillips

When
July 10, 4:50 PM MST
Where
Phillips County, Saco
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
48.467, -107.333

Hail, Valley

When
July 10, 5:05 PM MST
Where
Valley County, 4 mi W of Hinsdale
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
48.400, -107.167

Hail, Valley

When
July 10, 5:07 PM MST
Where
Valley County, Hinsdale
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
48.400, -107.083

Hail, Valley

When
July 10, 5:11 PM MST
Where
Valley County, 5 mi E of Hinsdale
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
48.400, -106.967

Tornado, Valley

When
July 10, 5:15 PM MST
Where
Valley County, 20 mi NW of Glasgow
Rating
F0
Path length
0.5 mi
Path width
50 yd
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
48.400, -106.933

An NWS employee reported a tornado near the Vandalia Dam.

Hail, Valley

When
July 10, 5:37 PM MST
Where
Valley County, 5 mi N of Hinsdale
Measured
2 in hail
Property damage
$10,000
Crop damage
$100,000
Reported by
GENERAL PUBLIC
Coordinates
48.467, -107.083

Thunderstorm Wind, Garfield

When
July 10, 5:50 PM MST
Where
Garfield County, 3 mi N of Brusett
Measured
61 kt (70 mph)
Reported by
TRAINED SPOTTER
Coordinates
47.400, -107.250

Hail, Garfield

When
July 10, 6:10 PM MST
Where
Garfield County, 17 mi NW of Jordan
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
47.483, -107.133

Hail, Valley

When
July 10, 6:20 PM MST
Where
Valley County, 15 mi NNE of Glasgow
Measured
1 in hail
Reported by
GENERAL PUBLIC
Coordinates
48.400, -106.517

Hail, Prairie

When
July 10, 6:25 PM MST
Where
Prairie County, 8 mi SW of Terry
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
46.700, -105.417

Hail, McCone

When
July 10, 7:19 PM MST
Where
McCone County, Vida
Measured
0.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
47.833, -105.500

Hail, McCone

When
July 10, 7:25 PM MST
Where
McCone County, Vida
Measured
1.25 in hail
Reported by
EMERGENCY MANAGER
Coordinates
47.833, -105.500

Hail, Dawson

When
July 10, 7:30 PM MST
Where
Dawson County, Richey
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
47.650, -105.067

Hail, Roosevelt

When
July 10, 7:40 PM MST
Where
Roosevelt County, Poplar
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
48.100, -105.200

Hail, Richland

When
July 10, 7:50 PM MST
Where
Richland County, 20 mi W of Andes
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
47.967, -105.017

Flash Flood, Prairie

When
July 10, 7:53 PM MST to 11:00 PM MST
Where
Prairie County, Terry
Reported by
LAW ENFORCEMENT
Coordinates
46.861, -105.378 (the zone’s center; the record gives no point)

Water running down city streets 3-4 inches deep.

Flash Flood, Sheridan

When
July 10, 7:58 PM MST to 10:30 PM MST
Where
Sheridan County, 2 mi E of Homestead
Reported by
LAW ENFORCEMENT
Coordinates
48.721, -104.505 (the zone’s center; the record gives no point)

Sheridan County Law Enforcement reported Hwy 16 impassible near Homestead due to water running over the roadway. Numerous secondary gravel roads were also impassbile.

Hail, Sheridan

When
July 10, 8:00 PM MST
Where
Sheridan County, 5 mi N of Dagmar
Measured
1.25 in hail
Reported by
GENERAL PUBLIC
Coordinates
48.650, -104.200

Flash Flood, Roosevelt

When
July 10, 8:30 PM MST to 11:30 PM MST
Where
Roosevelt County, Culbertson
Reported by
GENERAL PUBLIC
Coordinates
48.295, -105.016 (the zone’s center; the record gives no point)

Thunderstorm Wind, Garfield

When
July 10, 9:30 PM MST
Where
Garfield County, 12 mi SE of Jordan
Measured
61 kt (70 mph)
Reported by
GENERAL PUBLIC
Coordinates
47.200, -106.700

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
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 2000Every state in 2000This day in weather historyThe tornado archive for Montana, 2000Warnings in Montana, July 2000

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: 5151342, 5151343, 5151344, 5151345, 5151347, 5151346, 5151348, 5151349, 5151423, 5151424, 5151425, 5151426, 5151427, 5151428, 5151429, 5151430, 5151431, 5151432, 5151433, 5151435, 5151436, 5151437, 5151438, 5151439, 5151434, 5150134, 5150135, 5151440, 5150136.