Iowa, 1974

Hail and Damaging Winds in Iowa, June 14, 1974

June 14, 1974 · 30 events in 10 counties and zones

18 hail, 12 thunderstorm wind, 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
None recorded
Crop damage
None recorded
Events
30

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

18 hail, 12 thunderstorm wind. Local standard time, as filed.

Hail, Muscatine

When
June 14, 2:35 PM CST
Where
Muscatine County
Measured
0.75 in hail
Coordinates
41.520, -90.770

Hail, Clinton

When
June 14, 2:55 PM CST
Where
Clinton County
Measured
1 in hail
Coordinates
41.830, -90.200

Thunderstorm Wind, Clinton

When
June 14, 2:55 PM CST
Where
Clinton County
Coordinates
41.830, -90.200

Hail, Clinton

When
June 14, 3:00 PM CST
Where
Clinton County
Measured
0.75 in hail
Coordinates
41.970, -90.330

Thunderstorm Wind, Clinton

When
June 14, 3:00 PM CST
Where
Clinton County
Coordinates
41.970, -90.330

Hail, Clinton

When
June 14, 3:30 PM CST
Where
Clinton County
Measured
1.75 in hail
Coordinates
41.750, -90.380

Thunderstorm Wind, Clinton

When
June 14, 3:30 PM CST
Where
Clinton County
Coordinates
41.750, -90.380

Hail, Warren

When
June 14, 3:50 PM CST
Where
Warren County
Measured
1.75 in hail
Coordinates
41.400, -93.480

Hail, Grundy

When
June 14, 4:00 PM CST
Where
Grundy County
Measured
0.75 in hail
Coordinates
42.270, -93.000

Hail, Grundy

When
June 14, 4:00 PM CST
Where
Grundy County
Measured
0.75 in hail
Coordinates
42.370, -92.770

Hail, Tama

When
June 14, 4:30 PM CST
Where
Tama County
Measured
0.75 in hail
Coordinates
42.180, -92.720

Hail, Black Hawk

When
June 14, 4:30 PM CST
Where
Black Hawk County
Measured
0.75 in hail
Coordinates
42.420, -92.450

Thunderstorm Wind, Tama

When
June 14, 4:30 PM CST
Where
Tama County
Coordinates
42.180, -92.720

Thunderstorm Wind, Black Hawk

When
June 14, 4:30 PM CST
Where
Black Hawk County
Coordinates
42.420, -92.450

Thunderstorm Wind, Jasper

When
June 14, 4:35 PM CST
Where
Jasper County
Coordinates
41.670, -93.250

Hail, Polk

When
June 14, 4:40 PM CST
Where
Polk County
Measured
0.75 in hail
Coordinates
41.730, -93.620

Thunderstorm Wind, Polk

When
June 14, 4:40 PM CST
Where
Polk County
Coordinates
41.730, -93.620

Thunderstorm Wind, Polk

When
June 14, 4:40 PM CST
Where
Polk County
Coordinates
41.630, -93.720

Hail, Tama

When
June 14, 4:45 PM CST
Where
Tama County
Measured
0.75 in hail
Coordinates
42.200, -92.470

Thunderstorm Wind, Tama

When
June 14, 4:45 PM CST
Where
Tama County
Coordinates
42.200, -92.470

Thunderstorm Wind, Polk

When
June 14, 4:45 PM CST
Where
Polk County
Coordinates
41.700, -93.470

Hail, Polk

When
June 14, 4:50 PM CST
Where
Polk County
Measured
0.75 in hail
Coordinates
41.650, -93.470

Hail, Warren

When
June 14, 5:00 PM CST
Where
Warren County
Measured
0.75 in hail
Coordinates
41.470, -93.420

Hail, Wayne

When
June 14, 5:00 PM CST
Where
Wayne County
Measured
1.75 in hail
Coordinates
40.730, -93.270

Thunderstorm Wind, Warren

When
June 14, 5:00 PM CST
Where
Warren County
Coordinates
41.470, -93.420

Hail, Appanoose

When
June 14, 5:15 PM CST
Where
Appanoose County
Measured
1.75 in hail
Coordinates
40.730, -93.070

Hail, Appanoose

When
June 14, 5:30 PM CST
Where
Appanoose County
Measured
1.75 in hail
Coordinates
40.730, -92.870

Hail, Warren

When
June 14, 5:35 PM CST
Where
Warren County
Measured
1.75 in hail
Coordinates
41.280, -93.450

Thunderstorm Wind, Warren

When
June 14, 5:35 PM CST
Where
Warren County
Coordinates
41.280, -93.450

Hail, Appanoose

When
June 14, 7:00 PM CST
Where
Appanoose County
Measured
1.75 in hail
Coordinates
40.730, -92.870

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 Iowa in 1974Every state in 1974This day in weather history

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: 10012249, 10012250, 10012251, 10012252, 10012253, 10012254, 10012255, 10012256, 10012257, 10012258, 10012259, 10012260, 10012261, 10012262, 10012263, 10012264, 10012265, 10012266, 10012267, 10012268, 10012269, 10012270, 10012271, 10012272, 10012273, 10012274, 10012275, 10012276, 10012277, 10012278.