Tornadoes and Hail in South Dakota, July 18, 1994

Name: Tornadoes and Hail in South Dakota, July 18, 1994
Start: 1994-07-18T00:00
End: 1994-07-18T21:12
Location: South Dakota

July 18, 1994 · 18 events in 11 counties and zones

7 tornado, 6 thunderstorm wind, 5 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 18 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: $610,000
Crop damage: $501,000
Events: 18

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

7 tornado, 6 thunderstorm wind, 5 hail. Local standard time, as filed.

Tornado, Todd

When: July 18, 12:00 AM MDT
Where: Todd County, Mission
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Crop damage: $500
Coordinates: 43.193, -100.718 (the zone’s center; the record gives no point)

Time of tornado observance was sometime between 1515MDT and 1700MDT. The tornadoes were both small and appeared at the same time from the same storm.

Hail, Hyde

When: July 18, 6:25 AM CDT to 7:30 AM CDT
Where: Hyde County, Highmore to
Measured: 2 in hail
Property damage: $500,000
Crop damage: $500,000
Coordinates: 44.547, -99.487 (the zone’s center; the record gives no point)

Hail was widespread over northern Hyde County, breaking many windows in homes and vehicles, denting vehicles, and damaging siding and roofs. There was also widespread crop damage.

Hail, Hand

When: July 18, 7:55 AM CDT
Where: Hand County, Ree Heights
Measured: 2 in hail
Coordinates: 44.548, -99.005 (the zone’s center; the record gives no point)

Hail, Hand

When: July 18, 8:25 AM CDT
Where: Hand County, Miller
Measured: 1.75 in hail
Coordinates: 44.548, -99.005 (the zone’s center; the record gives no point)

Hail, Pennington

When: July 18, 2:00 PM MDT to 3:00 PM MDT
Where: Pennington County, Black Hawk
Measured: 0.75 in hail
Coordinates: 44.004, -102.824 (the zone’s center; the record gives no point)

Thunderstorm Wind, Todd

When: July 18, 3:15 PM MDT
Where: Todd County, Mission
Measured: 65 kt (75 mph)
Coordinates: 43.193, -100.718 (the zone’s center; the record gives no point)

Tornado, Bennett

When: July 18, 3:30 PM MDT
Where: Bennett County, Martin
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 43.195, -101.664 (the zone’s center; the record gives no point)

Tornado, Bennett

When: July 18, 4:00 PM MDT
Where: Bennett County, Harrington
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 43.195, -101.664 (the zone’s center; the record gives no point)

Tornado, Todd

When: July 18, 4:25 PM MDT
Where: Todd County, Parmelee
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 43.193, -100.718 (the zone’s center; the record gives no point)

Time of tornado observance was sometime between 1515MDT and 1700MDT. The tornadoes were both small and appeared at the same time from the same storm.

Tornado, Todd

When: July 18, 4:40 PM MDT
Where: Todd County, Parmelee
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 43.193, -100.718 (the zone’s center; the record gives no point)

Time of tornado observance was sometime between 1515MDT and 1700MDT. The tornadoes were both small and appeared at the same time from the same storm.

Tornado, Ziebach

When: July 18, 5:00 PM MDT
Where: Ziebach County, Near Dupree
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 44.980, -101.666 (the zone’s center; the record gives no point)

Thunderstorm Wind, Walworth

When: July 18, 7:30 PM CDT
Where: Walworth County, Selby
Property damage: $50,000
Coordinates: 45.430, -100.032 (the zone’s center; the record gives no point)

Thunderstorm Winds destroyed a garage and some trees on a farm.

Thunderstorm Wind, McPherson

When: July 18, 7:45 PM CDT
Where: McPherson County, Leola
Property damage: $5,000
Coordinates: 45.766, -99.221 (the zone’s center; the record gives no point)

Thunderstorm Winds uprooted some trees.

Hail, Edmunds

When: July 18, 8:00 PM CDT to 8:17 PM CDT
Where: Edmunds County, Roscoe
Measured: 1.75 in hail
Coordinates: 45.419, -99.215 (the zone’s center; the record gives no point)

Tornado, Brown

When: July 18, 8:30 PM CDT
Where: Brown County, Aberdeen
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Coordinates: 45.590, -98.352 (the zone’s center; the record gives no point)

Thunderstorm Wind, Edmunds

When: July 18, 8:40 PM CDT
Where: Edmunds County, Mina Lake
Measured: 70 kt (81 mph)
Property damage: $50,000
Coordinates: 45.419, -99.215 (the zone’s center; the record gives no point)

Thunderstorm Winds blew the roof off of a trailer.

Thunderstorm Wind, Brown

When: July 18, 8:42 PM CDT
Where: Brown County, Aberdeen
Measured: 68 kt (78 mph)
Property damage: $5,000
Coordinates: 45.590, -98.352 (the zone’s center; the record gives no point)

Thunderstorm Winds downed some trees and power lines.

Thunderstorm Wind, Hughes

When: July 18, 9:12 PM CDT
Where: Hughes County, Pierre
Measured: 59 kt (68 mph)
Coordinates: 44.389, -99.996 (the zone’s center; the record gives no point)

What these are

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.
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

Every storm in South Dakota in 1994 Every state in 1994 This day in weather history The tornado archive for South Dakota, 1994 Warnings in South Dakota, July 1994

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: 10346164, 10346039, 10346585, 10346586, 10346619, 10346165, 10346574, 10346575, 10346166, 10346167, 10349221, 10349132, 10346376, 10346429, 10346640, 10346430, 10346016, 10346651.