Tornadoes and Hail in Montana, August 13, 1993

Name: Tornadoes and Hail in Montana, August 13, 1993
Start: 1993-08-13T14:50
End: 1993-08-13T18:27
Location: Montana

August 13, 1993 · 14 events in 8 counties and zones

10 hail, 4 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 10 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: $86,000
Crop damage: $50,000
Events: 14

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.

Event by event

10 hail, 4 tornado. Local standard time, as filed.

Hail, Big Horn

When: August 13, 2:50 PM MST
Where: Big Horn County, Near Yellowtail
Measured: 0.75 in hail
Property damage: $5,000
Coordinates: 45.424, -107.490 (the zone’s center; the record gives no point)

Hail, Big Horn

When: August 13, 3:47 PM MST
Where: Big Horn County, Lodge Grass
Measured: 1.25 in hail
Property damage: $5,000
Coordinates: 45.424, -107.490 (the zone’s center; the record gives no point)

Tornado, Garfield

When: August 13, 4:15 PM MST
Where: Garfield County, Rock Springs
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 46.900, -106.250

Hail, Rosebud

When: August 13, 4:26 PM MST
Where: Rosebud County, Birney
Measured: 1.75 in hail
Property damage: $5,000
Coordinates: 46.230, -106.731 (the zone’s center; the record gives no point)

Hail, Powder River

When: August 13, 4:30 PM MST
Where: Powder River County, Biddle
Measured: 1 in hail
Property damage: $5,000
Coordinates: 45.395, -105.630 (the zone’s center; the record gives no point)

Hail, Custer

When: August 13, 4:34 PM MST
Where: Custer County, Miles City
Measured: 0.75 in hail
Property damage: $500
Coordinates: 46.253, -105.572 (the zone’s center; the record gives no point)

Tornado, McCone

When: August 13, 5:10 PM MST
Where: McCone County, Circle
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 47.420, -105.720

Tornado, Dawson

When: August 13, 5:15 PM MST
Where: Dawson County, N Portion
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 47.320, -104.830

A pilot reported a tornado on the ground.

Hail, Powder River

When: August 13, 5:30 PM MST
Where: Powder River County, Sonnette
Measured: 0.75 in hail
Property damage: $5,000
Coordinates: 45.395, -105.630 (the zone’s center; the record gives no point)

Hail, Powder River

When: August 13, 5:30 PM MST
Where: Powder River County, Broadus
Measured: 1 in hail
Coordinates: 45.395, -105.630 (the zone’s center; the record gives no point)

Hail, Powder River

When: August 13, 5:40 PM MST
Where: Powder River County, Broadus
Measured: 1.75 in hail
Property damage: $5,000
Coordinates: 45.395, -105.630 (the zone’s center; the record gives no point)

Hail, Dawson

When: August 13, 5:55 PM MST
Where: Dawson County, Glendive
Measured: 1 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 47.266, -104.899 (the zone’s center; the record gives no point)

Water was reported over several roads.

Tornado, Dawson

When: August 13, 5:55 PM MST
Where: Dawson County, Glendive
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 47.220, -104.900

Tornado was reported by the sheriffs department.

Hail, Carter

When: August 13, 6:27 PM MST
Where: Carter County, Alzada
Measured: 1.75 in hail
Property damage: $5,000
Coordinates: 45.517, -104.536 (the zone’s center; the record gives no point)

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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.

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

The same day elsewhere

Every storm in Montana in 1993 Every state in 1993 This day in weather history The tornado archive for Montana, 1993 Warnings in Montana, August 1993

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: 10335202, 10335203, 10334909, 10334462, 10332796, 10334351, 10335039, 10334695, 10332797, 10332798, 10332799, 10334696, 10334697, 10334327.