Idaho, 1997

Hail in Idaho, May 21, 1997

May 21, 1997 · NWS PIH · 3 events in 2 counties and zones

3 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
3

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 Pocatello radar (KSFX), 83 km away, was scanning. The volume nearest the first event began at 19:59 UTC.

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Event by event

3 hail. Local standard time, as filed.

Hail, Cassia

When
May 21, 1:00 PM MST to 1:30 PM MST
Where
Cassia County, 3 mi W of Heglar
Measured
0.75 in hail
Coordinates
42.470, -113.220

The hail lasted 30 minutes with two inches of accumulation. This was the most hail the weather spotter had seen in 25 years.

Hail, Cassia

When
May 21, 1:00 PM MST
Where
Cassia County, 1 mi E of Heglar
Measured
1 in hail
Coordinates
42.470, -113.130

Hail, Power

When
May 21, 2:30 PM MST
Where
Power County, Neeley
Measured
1 in hail
Coordinates
42.730, -112.880

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 Idaho in 1997Every state in 1997This day in weather historyWarnings in Idaho, May 1997

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: 5605542, 5605543, 5605544.