Montana, 1998

Flash Flood and Hail in Montana, July 3 to 4, 1998

July 3 to 4, 1998 · NWS GGW · 6 events in 3 counties and zones

5 hail, 1 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 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

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The toll

Deaths
0
Injuries
0
Property damage
$5,000
Crop damage
$10,000
Events
6

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 national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 hail, 1 flash flood. Local standard time, as filed.

Hail, Phillips

When
July 3, 9:08 PM MST
Where
Phillips County, 20 mi S of Sun Prairie
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
47.600, -107.670

Hail, Phillips

When
July 3, 9:45 PM MST
Where
Phillips County, 5 mi S of Sun Prairie
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
47.820, -107.670

Hail, Garfield

When
July 3, 10:15 PM MST
Where
Garfield County, 42 mi NW of Jordan
Measured
0.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
47.750, -107.520

Flash Flood, Phillips

When
July 3, 11:45 PM MST to July 4, 1:00 AM MST
Where
Phillips County, Content
Property damage
$5,000
Crop damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
48.259, -107.913 (the zone’s center; the record gives no point)

Coop observer and trained spotter in Content could not make it home the night of July 3rd due to the road being washed out from water running across it. When the observer arrived home, she found that 1400 pound hay bales had been moved by flowing water and a bundle of 200 wood fence posts had been swept away.

Hail, Valley

When
July 4, 1:00 AM MST
Where
Valley County, 45 mi SW of Glasgow
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
47.730, -107.320

Hail, Valley

When
July 4, 2:30 AM MST
Where
Valley County, 2 mi S of Glasgow
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
48.170, -106.630

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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, July 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: 5653295, 5653296, 5653297, 5653378, 5653379, 5653380.