Iowa, 1998

Hail and Damaging Winds in Iowa, June 20, 1998

June 20, 1998 · NWS ARX · 12 events in 6 counties and zones

Winds up to 70 mph damaged barns, silos, and knocked down numerous large trees.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$194,000
Crop damage
$153,000
Events
12

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 ARX wrote it up.

Hail the size of dimes to as large as walnuts was reported by law enforcement and storm spotters.Winds up to 70 mph damaged barns, silos, and knocked down numerous large trees.

The radar

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

Open the radar archive at this moment

Event by event

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

Thunderstorm Wind, Howard

When
June 20, 2:32 PM CST
Where
Howard County, 3 mi W of Chester
Measured
61 kt (70 mph)
Property damage
$25,000
Crop damage
$20,000
Reported by
TRAINED SPOTTER
Coordinates
43.500, -92.430

Thunderstorm Wind, Howard

When
June 20, 2:55 PM CST
Where
Howard County, 2 mi E of Cresco
Measured
61 kt (70 mph)
Property damage
$85,000
Crop damage
$35,000
Reported by
LAW ENFORCEMENT
Coordinates
43.380, -92.080

Thunderstorm Wind, Howard

When
June 20, 3:00 PM CST
Where
Howard County, 8 mi SW of Cresco
Measured
61 kt (70 mph)
Reported by
EMERGENCY MANAGER
Coordinates
43.300, -92.230

Thunderstorm Wind, Winneshiek

When
June 20, 3:03 PM CST
Where
Winneshiek County, 5 mi N of Decorah
Measured
61 kt (70 mph)
Property damage
$25,000
Crop damage
$30,000
Reported by
LAW ENFORCEMENT
Coordinates
43.370, -91.800

Thunderstorm Wind, Chickasaw

When
June 20, 3:10 PM CST
Where
Chickasaw County, 2 mi W of Nashua
Measured
52 kt (60 mph)
Crop damage
$15,000
Reported by
TRAINED SPOTTER
Coordinates
42.950, -92.570

Thunderstorm Wind, Winneshiek

When
June 20, 3:40 PM CST
Where
Winneshiek County, Burr Oak to Hesper
Measured
61 kt (70 mph)
Property damage
$15,000
Crop damage
$20,000
Reported by
LAW ENFORCEMENT
Coordinates
43.450, -91.880

Thunderstorm Wind, Chickasaw

When
June 20, 3:45 PM CST
Where
Chickasaw County, New Hampton
Measured
61 kt (70 mph)
Property damage
$10,000
Reported by
GENERAL PUBLIC
Coordinates
43.070, -92.330

Thunderstorm Wind, Clayton

When
June 20, 4:00 PM CST
Where
Clayton County, Gunder
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
42.970, -91.520

Thunderstorm Wind, Fayette

When
June 20, 4:05 PM CST
Where
Fayette County, West Union
Measured
61 kt (70 mph)
Property damage
$14,000
Crop damage
$18,000
Reported by
LAW ENFORCEMENT
Coordinates
42.970, -91.800

Hail, Allamakee

When
June 20, 4:15 PM CST
Where
Allamakee County, Postville
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
43.080, -91.580

Hail, Allamakee

When
June 20, 4:17 PM CST
Where
Allamakee County, Waukon
Measured
0.75 in hail
Crop damage
$15,000
Reported by
LAW ENFORCEMENT
Coordinates
43.270, -91.480

Hail, Allamakee

When
June 20, 4:26 PM CST
Where
Allamakee County, Lansing
Measured
1.5 in hail
Property damage
$20,000
Reported by
LAW ENFORCEMENT
Coordinates
43.380, -91.230

What these are

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.
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 Iowa in 1998Every state in 1998This day in weather historyWarnings in Iowa, June 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: 5652576, 5652577, 5652578, 5652579, 5652580, 5652581, 5652582, 5652583, 5652584, 5652585, 5652586, 5652587.