Iowa, 1986

Tornadoes and Hail in Iowa, July 13, 1986

July 13, 1986 · NWS DSM · 11 events in 7 counties and zones

9 hail, 2 tornado, as filed by the National Weather Service.

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
$500,000
Crop damage
None recorded
Events
11

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.

Event by event

9 hail, 2 tornado. Local standard time, as filed.

Hail, Pottawattamie

When
July 13, 7:15 PM CST
Where
Pottawattamie County
Measured
1.5 in hail
Coordinates
41.400, -95.370

Hail, Cass

When
July 13, 7:15 PM CST
Where
Cass County
Measured
1.5 in hail
Coordinates
41.470, -95.100

Hail, Cass

When
July 13, 7:45 PM CST
Where
Cass County
Measured
1.5 in hail
Coordinates
41.320, -94.780

Hail, Audubon

When
July 13, 8:20 PM CST
Where
Audubon County
Measured
1.75 in hail
Coordinates
41.520, -94.780

Hail, Cass

When
July 13, 8:25 PM CST
Where
Cass County
Measured
1.75 in hail
Coordinates
41.450, -94.770

Hail, Union

When
July 13, 10:15 PM CST
Where
Union County
Measured
1 in hail
Coordinates
41.130, -94.070

Hail, Clarke

When
July 13, 10:30 PM CST
Where
Clarke County
Measured
1.5 in hail
Coordinates
41.050, -93.970

Tornado, Clarke

When
July 13, 10:47 PM CST
Where
Clarke County
Rating
F2
Path length
1 mi
Path width
50 yd
Property damage
$250,000
Coordinates
41.020, -93.820

Hail, Clarke

When
July 13, 11:05 PM CST
Where
Clarke County
Measured
1.5 in hail
Coordinates
40.930, -93.600

Tornado, Decatur

When
July 13, 11:20 PM CST
Where
Decatur County
Rating
F1
Path length
0.5 mi
Path width
40 yd
Property damage
$250,000
Coordinates
40.880, -93.580

Hail, Wayne

When
July 13, 11:35 PM CST
Where
Wayne County
Measured
1.5 in hail
Coordinates
40.870, -93.480

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

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

The same day elsewhere

More

Every storm in Iowa in 1986Every state in 1986This day in weather historyThe tornado archive for Iowa, 1986Warnings in Iowa, July 1986

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: 10015123, 10015124, 10015125, 10015126, 10015127, 10015128, 10015129, 10015130, 10015131, 10015132, 10015133.