Iowa, 1998Tornadoes and Hail in Iowa, June 18, 1998
June 18, 1998 · NWS DVN · 34 events in 18 counties and zones
17 hail, 15 thunderstorm wind, 2 tornado, as filed by the National Weather Service.
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
- Deaths
- 0
- Injuries
- 2
- Property damage
- $488,000
- Crop damage
- None recorded
- Events
- 34
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
17 hail, 15 thunderstorm wind, 2 tornado. Local standard time, as filed.
Thunderstorm Wind, Van Buren
- When
- June 18, 3:10 PM CST to 4:00 PM CST
- Where
- Van Buren County, Countywide
- Property damage
- $15,000
- Reported by
- NEWSPAPER
- Coordinates
- 40.750, -91.920
Thunderstorms roared through Van Buren County leaving a trail of destruction. Numerous trees were downed across the county including 20 trees, valued at $4000, at Harmony Middle School in Farmington. Also in Farmington, the roof at Harmony High School was damaged, a light fixture at the front of the building was broken, and high winds blew down the outfield fence of the baseball field. A large maple tree, uprooted by the winds, fell against the corner of a home in Farmington causing major damage to the roof and eaves. A bar and an adjacent building were closed due to possible structural damage after windows were blown out of the buildings At least 14 power lines were downed across the Farmington area, and a large machine shed was destroyed by the thunderstorms. In Mt. Sterling an aluminum building blown onto a road knocked down a power line. A funnel cloud was reported near Douds along with damages reports of downed trees or power lines in Douds, Bonaparte, Cantril, Milton, Stockport and Mt Sterling.
Thunderstorm Wind, Delaware
- When
- June 18, 3:15 PM CST to 3:30 PM CST
- Where
- Delaware County, Manchester
- Property damage
- $2,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 42.480, -91.450
Buildings were damaged by strong thunderstorm winds.
Thunderstorm Wind, Delaware
- When
- June 18, 3:15 PM CST to 3:45 PM CST
- Where
- Delaware County, Countywide
- Measured
- 52 kt (60 mph)
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.470, -91.380
Strong thunderstorm winds with gusts up to 60 mph downed trees and power lines across the county.
Thunderstorm Wind, Delaware
- When
- June 18, 3:15 PM CST
- Where
- Delaware County, 2 mi N of Dundee
- Property damage
- $3,000
- Reported by
- NEWSPAPER
- Coordinates
- 42.620, -91.550
Strong thunderstorm winds uprooted, shattered and splintered nearly two acres of trees at Backbone State Park. Between 50 and 100 oaks, maples, and basswood trees were destroyed. Campgrounds were also damaged by the high winds and one tent was flattened by a falling tree. No injuries were reported to the occupants of the tent. They sought shelter in a campground shower house before the tree fell.
Hail, Iowa
- When
- June 18, 3:20 PM CST
- Where
- Iowa County, West Amana
- Measured
- 1 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.820, -91.970
Hail, Linn
- When
- June 18, 3:20 PM CST
- Where
- Linn County, Coggon
- Measured
- 2 in hail
- Property damage
- $14,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.280, -91.530
There were numerous reports of damage caused by the hail.
Hail, Johnson
- When
- June 18, 3:20 PM CST
- Where
- Johnson County, Oxford
- Measured
- 1.75 in hail
- Property damage
- $200
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.670, -91.830
Windshields were broken by golf ball size hail.
Thunderstorm Wind, Jefferson
- When
- June 18, 3:20 PM CST to 4:00 PM CST
- Where
- Jefferson County, Countywide
- Property damage
- $15,000
- Reported by
- NEWSPAPER
- Coordinates
- 41.030, -91.930
High winds from strong thunderstorms buffeted Jefferson County, causing damage to Fairfield and surrounding areas. The wind measuring equipment at Fairfield Flying Service, and a large sign at Fesler Auto Mall were destroyed by thunderstorm winds. Northwestern and western parts of Fairfield suffered the substantial property damage. A roof was blown off the GTE warehouse and a section of roof was ripped off Winfrey Storage. Numerous trees were blown down. One maple fell on a vacant house and another fallen tree destroyed a gas meter, broke windows and damaged eaves on another home. Streets around the area were blocked until the gas leak was repaired. A motorist driving a pickup had a brush with death when a large ash tree fell and part of the tree hit the truck's bed and dented the sidewalls. Another tree dropped on a four wheel drive Scout and boat. South of Fairfield a horse barn on Middle Glasgow Road was destroyed and a double car garage on Glasgow Road was blown down. High winds also flattened a grain storage bin near Libertyville.
Hail, Delaware
- When
- June 18, 3:30 PM CST
- Where
- Delaware County, Hopkinton
- Measured
- 4.5 in hail
- Property damage
- $8,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.350, -91.250
Large hail fell through the roof of a home causing extensive damage.
Hail, Johnson
- When
- June 18, 3:30 PM CST
- Where
- Johnson County, Coralville
- Measured
- 1.75 in hail
- Reported by
- AMATEUR RADIO
- Coordinates
- 41.680, -91.580
Hail, Johnson
- When
- June 18, 3:30 PM CST to 3:47 PM CST
- Where
- Johnson County, Iowa City
- Measured
- 2.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.670, -91.550
Baseball size hail falling for more than 15 minutes caused widespread damage to homes and vehicles across the Iowa City area. Numerous windshields were broken and vehicles dented. Several reports of hail breaking through fiberglass awnings and lightweight shelters were also received.
Thunderstorm Wind, Linn
- When
- June 18, 3:30 PM CST
- Where
- Linn County, Cedar Rapids
- Measured
- 56 kt (64 mph)
- Injuries
- 1 direct, 0 indirect
- Reported by
- NEWSPAPER
- Coordinates
- 42.000, -91.650
A line of fast moving thunderstorms downed numerous tree limbs and power lines across Cedar Rapids leaving 12,000 customers of Alliant-IES Utilities without power. Wind peeled the outer membrane from a roof of a business allowing water to soak the suspended-ceiling tiles. The waterlogged tiles then gave way damaging portions of the carpet, but missing showcases and merchandise. One man was injured when strong winds lifted then flattened the large beer tent he was in at Hiawatha's Hog Wild Days.
Thunderstorm Wind, Dubuque
- When
- June 18, 3:33 PM CST to 4:15 PM CST
- Where
- Dubuque County, Countywide
- Property damage
- $100,000
- Reported by
- NEWSPAPER
- Coordinates
- 42.530, -90.920
Strong thunderstorm winds downed trees and power lines across the tri-state area of Northeast Iowa, Northern Illinois, and Southwest Wisconsin. Approximately 2000 customers of Alliant Utilities lost power during the storm.In the city of Dubuque numerous trees blocked streets with one tree falling on a pickup truck. At Sacred Heart Church the wind broke the face of the steeple clock, and at Loras College damage was sustained when lightning struck the boiler smokestack in the maintenance building. There was some basement flooding in the Loras College fieldhouse. Also in Dubuque, the roof was ripped off the Harbor Place Mall leaving 2 to 3 inches of standing water in the building, and another $5000 worth of damage was reported at the airport when strong gusts peeled panels off a hanger roof. Near Worthington a roof was blown off a large barn and seven other farm buildings were damaged by strong winds. Northeast of Luxemburg a farm received substantial damage when thunderstorm winds damaged a hog building, cattle shed, and several other farmsheds. One shed, used for storing vehicles and farm equipment, was ripped apart resulting in major damage to the vehicles inside the shed. The family home also sustained minor damage.
Thunderstorm Wind, Jones
- When
- June 18, 3:40 PM CST to 3:45 PM CST
- Where
- Jones County, Anamosa
- Property damage
- $16,000
- Reported by
- NEWSPAPER
- Coordinates
- 42.120, -91.280
Thunderstorm Wind, Henry
- When
- June 18, 3:40 PM CST to 4:00 PM CST
- Where
- Henry County, Countywide
- Measured
- 52 kt (60 mph)
- Reported by
- NEWSPAPER
- Coordinates
- 40.970, -91.530
A storm system blasting across Southeast Iowa produced 60 mph thunderstorm winds and dumped 1 to 2 inches of heavy rain across central Henry County. Damage caused by falling trees and lightning resulted in power outages across 10 counties served by Southeast Iowa Rural Electric Cooperative. On U.S. highway 218 near Salem a semi was blown over by the high winds and in Geode State Park a camper trailer was blown over.
Hail, Dubuque
- When
- June 18, 3:50 PM CST
- Where
- Dubuque County, Farley
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.450, -91.000
Hail, Dubuque
- When
- June 18, 3:50 PM CST to 4:00 PM CST
- Where
- Dubuque County, Worthington
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.400, -91.120
Thunderstorm Wind, Lee
- When
- June 18, 3:50 PM CST to 4:20 PM CST
- Where
- Lee County, Ft Madison
- Property damage
- $20,000
- Reported by
- NEWSPAPER
- Coordinates
- 40.630, -91.320
City residents and businesses were left without electricity after strong thunderstorms raced across Lee county. Numerous trees and power lines downed by the storm blocked streets and caused damage in Fort Madison. Several vehicles were smashed by fallen trees and branches, and 911 dispatchers had difficulty routing calls due to power problems. Heavy rains associated with the thunderstorms also resulted in minor street flooding between 21st Street and 26th Street in Fort Madison. A major historical landmark was destroyed when winds blew off the roof then caused walls to collapse at the old Fort Madison depot. This building had been recognized as the oldest surviving railway station in the State of Iowa. High winds toppled two fifteen foot steeples at the historic St Mary's Church. Major damage was sustained to the copper roof and gutters, and water leaking through the damaged roof caused additional damage to restrooms inside the church.
Hail, Dubuque
- When
- June 18, 4:00 PM CST to 4:10 PM CST
- Where
- Dubuque County, Peosta
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.450, -90.850
Hail, Cedar
- When
- June 18, 4:00 PM CST
- Where
- Cedar County, 1 mi S of Rochester
- Measured
- 1 in hail
- Reported by
- AMATEUR RADIO
- Coordinates
- 41.670, -91.170
Tornado, Louisa
- When
- June 18, 4:00 PM CST to 4:10 PM CST
- Where
- Louisa County, Oakville
- Rating
- F1
- Path length
- 1 mi
- Path width
- 100 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $180,000
- Reported by
- NEWSPAPER
- Coordinates
- 41.100, -91.050
Two homes were destroyed and trees were uprooted when a tornado touched down near Oakville. One minor injury was reported when the tornado rolled and damaged a mobile home. Twelve other residences sustained $130,000 in damages. Besides the two homes which were destroyed, two others were moved off their foundations. Roofs were torn off, and four garages were demolished.
Hail, Jones
- When
- June 18, 4:05 PM CST
- Where
- Jones County, 3 mi N of Oxford Jct
- Measured
- 1.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.030, -90.970
Tornado, Louisa
- When
- June 18, 4:10 PM CST
- Where
- Louisa County, 2 mi SE of Grandview
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 0.5 yd
- Property damage
- $2,000
- Reported by
- NWS STORM SURVEY
- Coordinates
- 41.270, -91.170
A brief tornado touchdown resulted in tree and roof damage and a missing boat at a home near Grandview.
Hail, Clinton
- When
- June 18, 4:15 PM CST
- Where
- Clinton County, Clinton
- Measured
- 0.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.830, -90.200
Thunderstorm Wind, Des Moines
- When
- June 18, 4:15 PM CST to 4:40 PM CST
- Where
- Des Moines County, Burlington
- Measured
- 54 kt (62 mph)
- Reported by
- NEWSPAPER
- Coordinates
- 40.820, -91.080
About 5000 utility customers were without power after thunderstorms roared across Des Moines County. Several parked cars were damaged after strong winds blew out windows of buildings in the 300 block of Valley Street. Across Burlington numerous reports of downed trees were received, and the main outdoor stage at the Burlington Steamboat Days was damaged after a large scaffolding fell on top of the sound mixer.
Hail, Benton
- When
- June 18, 4:20 PM CST
- Where
- Benton County, Van Horne
- Measured
- 1.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.020, -92.080
Hail, Jackson
- When
- June 18, 4:30 PM CST
- Where
- Jackson County, 2 mi NW of Maquoketa
- Measured
- 1 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.080, -90.720
Thunderstorm Wind, Linn
- When
- June 18, 4:30 PM CST
- Where
- Linn County, Mt Vernon
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.920, -91.420
A new grain bin and several older farm buildings were damaged by strong winds.
Hail, Muscatine
- When
- June 18, 4:30 PM CST
- Where
- Muscatine County, Muscatine
- Measured
- 1.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.420, -91.050
Thunderstorm Wind, Scott
- When
- June 18, 4:30 PM CST
- Where
- Scott County, 1 mi SW of Walcott
- Property damage
- $8,000
- Reported by
- NEWSPAPER
- Coordinates
- 41.570, -90.800
Strong thunderstorm winds toppled trees in the Walcott area. One large maple tree smashed a corn crib full of soybeans. About 3,000 bushels of beans were spilled and a farm wagon on the lower level of the corn crib was crushed by the falling building.
Hail, Dubuque
- When
- June 18, 4:32 PM CST
- Where
- Dubuque County, Farley to Dyersville
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.450, -91.000
Thunderstorm Wind, Jackson
- When
- June 18, 4:40 PM CST
- Where
- Jackson County, 2 mi N of La Motte
- Property damage
- $100,000
- Reported by
- NEWSPAPER
- Coordinates
- 42.330, -90.620
Strong thunderstorm winds destroyed a dairy barn and ripped the roof off another barn in Northeastern Jackson county. One home was destroyed as strong winds drove barn beams through the walls, shattered glass and spread dirt and debris inside the home.
Hail, Dubuque
- When
- June 18, 4:55 PM CST to 5:00 PM CST
- Where
- Dubuque County, Graf to Dubuque
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.500, -90.870
Thunderstorm Wind, Linn
- When
- June 18, 5:00 PM CST
- Where
- Linn County, Fairfax
- Measured
- 65 kt (75 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.920, -91.780
Widespread tree damage was reported due to strong thunderstorm winds.
- 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.
- 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.
- Tornadoes and Damaging Winds in Wisconsin, June 18, 199815 injured · $2.0 million · F1 · 29 events
- Tornado and Flash Flooding in Iowa, June 18, 1998$3.7 million · F1 · 78 events
- Flood and Hail in Wisconsin, June 18, 19985 injured · $1.4 million · 56 kt wind · 36 events
- Tornadoes and Hail in Illinois, June 18, 1998$116,000 · F2 · 16 events
- Flooding in Iowa, June 18 to 20, 1998$9.1 million · 16 events
- Tornadoes and Hail in Minnesota, June 18, 1998$1.0 million · F1 · 13 events
- Damaging Winds in Iowa, June 18, 19981 injured · $1.2 million · 100 kt wind · 12 events
- Flash Flood in Maine, June 18, 1998$1.5 million · 1 event
- Tornado and Flash Flooding in North Dakota, June 18, 1998$750,000 · F0 · 13 events
- Tornado and Flash Flooding in Oklahoma, June 18 to 19, 1998$36,000 · F0 · 72 events
- Flood in Nebraska, June 18, 1998$500,000 · 1 event
- Hail and Damaging Winds in Indiana, June 18 to 19, 1998$135,000 · 61 kt wind · 15 events
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: 5666222, 5665977, 5665978, 5666159, 5666058, 5666059, 5666062, 5666161, 5666061, 5666063, 5666064, 5666221, 5666051, 5665975, 5666162, 5665979, 5665980, 5666223, 5665981, 5666065, 5666219, 5665976, 5666220, 5666052, 5666325, 5666053, 5666054, 5666055, 5666157, 5666158, 5666056, 5666160, 5666057, 5666060.