Wisconsin, 1998

Hail and Damaging Wind in Wisconsin, May 12, 1998

May 12, 1998 · NWS GRB · 19 events in 8 counties and zones

Scattered thunderstorms developed during the evening of May 12, dropping hail up to the size of golf balls across parts of central and northern Wisconsin. ).

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
$1,000
Crop damage
None recorded
Events
19

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 GRB wrote it up.

Scattered thunderstorms developed during the evening of May 12, dropping hail up to the size of golf balls across parts of central and northern Wisconsin. Thunderstorm winds downed trees in Lake Tomahawk (Oneida co.).

The radar

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

Open the radar archive at this moment

Event by event

18 hail, 1 thunderstorm wind. Local standard time, as filed.

Hail, Marathon

When
May 12, 5:40 PM CST
Where
Marathon County, 2 mi N of Stratford
Measured
0.75 in hail
Coordinates
45.000, -90.070

Hail, Marathon

When
May 12, 5:45 PM CST
Where
Marathon County, Stratford
Measured
1 in hail
Coordinates
44.970, -90.070

Hail, Marathon

When
May 12, 6:40 PM CST
Where
Marathon County, Wausau
Measured
0.75 in hail
Coordinates
44.970, -89.630

Hail, Marathon

When
May 12, 6:50 PM CST to 6:55 PM CST
Where
Marathon County, Wausau
Measured
1 in hail
Coordinates
44.970, -89.630

Hail, Oneida

When
May 12, 6:54 PM CST
Where
Oneida County, 8 mi SW of Hazelhurst
Measured
0.75 in hail
Coordinates
45.720, -89.830

Hail, Marathon

When
May 12, 7:13 PM CST
Where
Marathon County, 11 mi ENE of Wausau
Measured
1 in hail
Coordinates
45.030, -89.430

Hail, Oneida

When
May 12, 7:16 PM CST
Where
Oneida County, Minocqua
Measured
1.5 in hail
Coordinates
45.870, -89.700

Hail, Marathon

When
May 12, 7:19 PM CST
Where
Marathon County, 6 mi W of Hogarty
Measured
1.75 in hail
Coordinates
45.030, -89.430

Hail, Oneida

When
May 12, 7:50 PM CST
Where
Oneida County, Minocqua
Measured
1.25 in hail
Coordinates
45.870, -89.700

Hail, Lincoln

When
May 12, 7:59 PM CST
Where
Lincoln County, Tomahawk
Measured
0.75 in hail
Coordinates
45.470, -89.730

Thunderstorm Wind, Oneida

When
May 12, 8:00 PM CST
Where
Oneida County, Lake Tomahawk
Measured
50 kt (58 mph)
Property damage
$1,000
Coordinates
45.820, -89.600

Hail, Winnebago

When
May 12, 8:25 PM CST
Where
Winnebago County, 2 mi N of Oshkosh
Measured
1 in hail
Coordinates
44.050, -88.550

Hail, Lincoln

When
May 12, 8:27 PM CST
Where
Lincoln County, Merrill
Measured
0.75 in hail
Coordinates
45.180, -89.680

Hail, Winnebago

When
May 12, 8:31 PM CST
Where
Winnebago County, Menasha
Measured
1 in hail
Coordinates
44.200, -88.450

Hail, Marathon

When
May 12, 8:31 PM CST
Where
Marathon County, Mosinee
Measured
1.75 in hail
Coordinates
44.780, -89.700

Hail, Shawano

When
May 12, 8:50 PM CST
Where
Shawano County, Pella
Measured
1.75 in hail
Coordinates
44.730, -88.800

Hail, Menominee (C)

When
May 12, 9:05 PM CST
Where
Menominee (C) County, 15 mi NNE of Keshena
Measured
1.75 in hail
Coordinates
45.080, -88.520

Hail, Forest

When
May 12, 9:19 PM CST
Where
Forest County, Laona
Measured
1.75 in hail
Coordinates
45.570, -88.680

Hail, Oconto

When
May 12, 9:30 PM CST
Where
Oconto County, Lakewood
Measured
1.75 in hail
Coordinates
45.300, -88.520

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.

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

The same day elsewhere

More

Every storm in Wisconsin in 1998Every state in 1998This day in weather historyWarnings in Wisconsin, 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: 5641064, 5641065, 5641066, 5641067, 5641070, 5641068, 5641071, 5641069, 5641072, 5641073, 5641082, 5641075, 5641074, 5641076, 5641077, 5641079, 5641080, 5641078, 5641081.