Wyoming, 1989

Hail and Damaging Winds in Wyoming, July 10, 1989

July 10, 1989 · NWS CYS · 5 events in 5 counties and zones

3 thunderstorm wind, 2 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

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

3 thunderstorm wind, 2 hail. Local standard time, as filed.

Hail, Yellowstone Park

When
July 10, 2:45 PM CST
Where
Yellowstone Park County
Measured
0.75 in hail
Coordinates
44.550, -110.420

Hail, Park

When
July 10, 3:45 PM CST
Where
Park County
Measured
0.75 in hail
Coordinates
44.520, -109.070

Thunderstorm Wind, Big Horn

When
July 10, 4:43 PM CST
Where
Big Horn County
Measured
74 kt (85 mph)
Coordinates
44.380, -108.050

Thunderstorm Wind, Washakie

When
July 10, 5:15 PM CST
Where
Washakie County
Measured
50 kt (58 mph)
Coordinates
44.020, -107.970

Thunderstorm Wind, Carbon

When
July 10, 8:20 PM CST
Where
Carbon County
Measured
55 kt (63 mph)
Coordinates
41.780, -107.250

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 Wyoming in 1989Every state in 1989This day in weather historyWarnings in Wyoming, July 1989

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: 10159763, 10159764, 10159765, 10159766, 10159767.