Wisconsin, 1999

Flooding and Hail in Wisconsin, June 10, 1999

June 10, 1999 · NWS GRB · 10 events in 4 counties and zones

Thunderstorms with damaging winds, heavy rains and hail struck northeast Wisconsin during the evening. Winds downed trees in Oshkosh (Winnebago county) and near Wautoma (Waushara county) and knocked down power lines in Little Chute (Outagamie county).

Where it happened

Every event with a place to put it; 5 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
None recorded
Crop damage
None recorded
Events
10

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.

Thunderstorms with damaging winds, heavy rains and hail struck northeast Wisconsin during the evening. Winds downed trees in Oshkosh (Winnebago county) and near Wautoma (Waushara county) and knocked down power lines in Little Chute (Outagamie county). Lightning knocked trees onto power lines in Oshkosh, causing 3,500 customers to lose electrical service. Lightning caused a fire that damaged a business in Neenah (Winnebago county). Heavy rain caused street flooding from the Appleton area (Outagamie county) south into Neenah, Menasha (Winnebago county) and Oshkosh. Water was 3 to 4 feet deep in the streets of Neenah and Menasha. There was also some street flooding in Wautoma.

The radar

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

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Event by event

3 thunderstorm wind, 3 flood, 2 hail, 2 lightning. Local standard time, as filed.

Hail, Oconto

When
June 10, 3:02 PM CST
Where
Oconto County, Lena
Measured
1.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
44.950, -88.050

Hail, Winnebago

When
June 10, 4:04 PM CST
Where
Winnebago County, 5 mi S of Oshkosh
Measured
1 in hail
Reported by
LAW ENFORCEMENT
Coordinates
43.950, -88.550

Lightning, Winnebago

When
June 10, 4:07 PM CST
Where
Winnebago County, Oshkosh
Reported by
NEWSPAPER
Coordinates
44.069, -88.645 (the zone’s center; the record gives no point)

Thunderstorm Wind, Winnebago

When
June 10, 4:10 PM CST
Where
Winnebago County, Oshkosh
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
44.020, -88.550

Lightning, Winnebago

When
June 10, 4:33 PM CST
Where
Winnebago County, Neenah
Reported by
NEWSPAPER
Coordinates
44.069, -88.645 (the zone’s center; the record gives no point)

Thunderstorm Wind, Outagamie

When
June 10, 4:40 PM CST
Where
Outagamie County, Little Chute
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
44.280, -88.270

Flood, Outagamie

When
June 10, 5:12 PM CST to 6:15 PM CST
Where
Outagamie County, 3 mi NW of Appleton
Reported by
LAW ENFORCEMENT
Coordinates
44.416, -88.465 (the zone’s center; the record gives no point)

Thunderstorm Wind, Waushara

When
June 10, 5:41 PM CST to 5:51 PM CST
Where
Waushara County, Wautoma to 3 mi SW of Wautoma
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
44.070, -89.350

Flood, Winnebago

When
June 10, 5:52 PM CST to 6:40 PM CST
Where
Winnebago County, Menasha
Reported by
LAW ENFORCEMENT
Coordinates
44.069, -88.645 (the zone’s center; the record gives no point)

Flood, Waushara

When
June 10, 6:10 PM CST to 6:50 PM CST
Where
Waushara County, Wautoma
Reported by
LAW ENFORCEMENT
Coordinates
44.113, -89.243 (the zone’s center; the record gives no point)

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Lightning
A lightning strike that killed, injured or caused damage.
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.
Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Wisconsin in 1999Every state in 1999This day in weather historyWarnings in Wisconsin, June 1999

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: 5703465, 5703464, 5703468, 5703463, 5703469, 5703466, 5703472, 5703467, 5703470, 5703471.