Hail and Damaging Wind in Iowa, April 20, 1985

Name: Hail and Damaging Wind in Iowa, April 20, 1985
Start: 1985-04-20T18:36
End: 1985-04-20T22:23
Location: Iowa

April 20, 1985 · NWS AT · 15 events in 10 counties and zones

14 hail, 1 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: 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.

Event by event

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

Hail, Pottawattamie

When: April 20, 6:36 PM CST
Where: Pottawattamie County
Measured: 1.75 in hail
Coordinates: 41.270, -95.870

Hail, Pottawattamie

When: April 20, 6:36 PM CST
Where: Pottawattamie County
Measured: 1 in hail
Coordinates: 41.320, -95.570

Hail, Pottawattamie

When: April 20, 6:52 PM CST
Where: Pottawattamie County
Measured: 1 in hail
Coordinates: 41.320, -95.570

Hail, Sac

When: April 20, 7:05 PM CST
Where: Sac County
Measured: 1 in hail
Coordinates: 42.380, -95.130

Hail, Pottawattamie

When: April 20, 7:15 PM CST
Where: Pottawattamie County
Measured: 1 in hail
Coordinates: 41.320, -95.570

Hail, Crawford

When: April 20, 7:20 PM CST
Where: Crawford County
Measured: 1 in hail
Coordinates: 42.030, -95.400

Hail, Pocahontas

When: April 20, 7:45 PM CST
Where: Pocahontas County
Measured: 1 in hail
Coordinates: 42.730, -94.680

Hail, Emmet

When: April 20, 8:00 PM CST
Where: Emmet County
Measured: 1 in hail
Coordinates: 43.370, -94.680

Hail, Palo Alto

When: April 20, 8:00 PM CST
Where: Palo Alto County
Measured: 1 in hail
Coordinates: 43.070, -94.680

Hail, O'Brien

When: April 20, 9:25 PM CST
Where: O'Brien County
Measured: 1.75 in hail
Coordinates: 42.970, -95.400

Hail, Clay

When: April 20, 9:25 PM CST
Where: Clay County
Measured: 1 in hail
Coordinates: 43.070, -95.150

Hail, Clay

When: April 20, 10:00 PM CST
Where: Clay County
Measured: 1 in hail
Coordinates: 43.070, -95.150

Hail, Dickinson

When: April 20, 10:00 PM CST
Where: Dickinson County
Measured: 1 in hail
Coordinates: 43.370, -95.150

Hail, Woodbury

When: April 20, 10:12 PM CST
Where: Woodbury County
Measured: 1 in hail
Coordinates: 42.380, -96.050

Thunderstorm Wind, Woodbury

When: April 20, 10:23 PM CST
Where: Woodbury County
Coordinates: 42.380, -96.050

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

Every storm in Iowa in 1985 Every state in 1985 This 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: 10018223, 10018224, 10018225, 10018226, 10018227, 10018228, 10018229, 10018230, 10018231, 10018232, 10018233, 10018234, 10018235, 10018236, 10018237.