Minnesota, 1998

Flash Flood and Hail in Minnesota, June 20, 1998

June 20, 1998 · NWS MPX · 15 events in 7 counties and zones

10 hail, 4 thunderstorm wind, 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
15

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 Minneapolis radar (KMPX), 151 km away, was scanning. The volume nearest the first event began at 14:26 UTC.

Open the radar archive at this moment

Event by event

10 hail, 4 thunderstorm wind, 1 flash flood. Local standard time, as filed.

Hail, Martin

When
June 20, 8:28 AM CST
Where
Martin County, Trimont
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
43.770, -94.720

Thunderstorm Wind, Brown

When
June 20, 8:40 AM CST
Where
Brown County, Sleepy Eye
Measured
56 kt (64 mph)
Reported by
LAW ENFORCEMENT
Coordinates
44.300, -94.730

Hail, Watonwan

When
June 20, 8:44 AM CST to 9:44 AM CST
Where
Watonwan County, St James
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
43.980, -94.630

Hail, Watonwan

When
June 20, 9:10 AM CST
Where
Watonwan County, Ormsby
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
43.850, -94.720

Hail, Watonwan

When
June 20, 9:20 AM CST
Where
Watonwan County, South Branch
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
43.880, -94.570

Hail, Martin

When
June 20, 10:08 AM CST
Where
Martin County, Truman
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
43.830, -94.430

Hail, Faribault

When
June 20, 10:30 AM CST
Where
Faribault County, Winnebago
Measured
1.75 in hail
Reported by
NEWSPAPER
Coordinates
43.770, -94.170

Flash Flood, Faribault

When
June 20, 10:30 AM CST to 12:30 PM CST
Where
Faribault County, Blue Earth
Reported by
LAW ENFORCEMENT
Coordinates
43.674, -93.948 (the zone’s center; the record gives no point)

Between 3 and 4 inches of rain resulted in street flooding.

Thunderstorm Wind, Faribault

When
June 20, 11:14 AM CST
Where
Faribault County, Wells
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
43.750, -93.730

Large tree limbs blown down. Estimated windspeed.

Hail, Blue Earth

When
June 20, 11:20 AM CST
Where
Blue Earth County, Vernon Center
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
43.950, -94.150

Thunderstorm Wind, Freeborn

When
June 20, 11:35 AM CST
Where
Freeborn County, Manchester
Measured
52 kt (60 mph)
Reported by
LAW ENFORCEMENT
Coordinates
43.730, -93.470

Marble size hail along with strong winds.

Hail, Freeborn

When
June 20, 11:40 AM CST
Where
Freeborn County, 5 mi E of Manchester
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
43.730, -93.370

Hail, Freeborn

When
June 20, 11:45 AM CST
Where
Freeborn County, 5 mi ENE of Manchester
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
43.770, -93.370

Thunderstorm Wind, Freeborn

When
June 20, 11:50 AM CST
Where
Freeborn County, Maple Is
Measured
50 kt (58 mph)
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
43.770, -93.170

Large trees limbs down. Estimated windspeed.

Hail, Steele

When
June 20, 12:25 PM CST
Where
Steele County, Blooming Prairie
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
43.870, -93.070

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.
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 Minnesota in 1998Every state in 1998This day in weather historyWarnings in Minnesota, 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: 5655146, 5655147, 5655149, 5655148, 5655150, 5655151, 5655152, 5655160, 5655153, 5655154, 5655155, 5655156, 5655157, 5655159, 5655158.