Montana, 1998

Hail in Montana, May 30, 1998

May 30, 1998 · NWS BYZ · 2 events in 2 counties and zones

A complex of thunderstorms produced large hail and locally heavy rains as it moved east across southeastern Montana during the late morning and early afternoon hours of May 30. 75 inch diameter hail.

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
2

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.

What happened

The episode as NWS BYZ wrote it up.

A complex of thunderstorms produced large hail and locally heavy rains as it moved east across southeastern Montana during the late morning and early afternoon hours of May 30. A spotter in Central Carter County reported 2.75 inch diameter hail.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 hail. Local standard time, as filed.

Hail, Powder River

When
May 30, 10:30 AM MST
Where
Powder River County, 5 mi NE of Broadus
Measured
0.75 in hail
Coordinates
45.500, -105.350

Hail, Carter

When
May 30, 12:40 PM MST
Where
Carter County, 25 mi S of Ekalaka
Measured
2.75 in hail
Coordinates
45.520, -104.550

What these are

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

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

The same day elsewhere

More

Every storm in Montana in 1998Every state in 1998This day in weather historyWarnings in Montana, May 1998

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: 5643254, 5643255.