Hail and Damaging Winds in Iowa, June 6, 1999

Name: Hail and Damaging Winds in Iowa, June 6, 1999
Start: 1999-06-06T11:36
End: 1999-06-06T14:30
Location: Iowa

June 6, 1999 · NWS DVN · 20 events in 7 counties and zones

12 thunderstorm wind, 8 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

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Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
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The toll

Deaths: 0
Injuries: 0
Property damage: $22,000
Crop damage: $3,000
Events: 20

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.

The radar

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

Open the radar archive at this moment

Event by event

12 thunderstorm wind, 8 hail. Local standard time, as filed.

Thunderstorm Wind, Washington

When: June 6, 11:36 AM CST
Where: Washington County, Brighton
Measured: 53 kt (61 mph)
Reported by: TRAINED SPOTTER
Coordinates: 41.180, -91.820

Hail, Washington

When: June 6, 11:50 AM CST
Where: Washington County, Washington
Measured: 2.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 41.300, -91.700

Thunderstorm Wind, Muscatine

When: June 6, 11:59 AM CST
Where: Muscatine County, Muscatine
Measured: 52 kt (60 mph)
Reported by: TRAINED SPOTTER
Coordinates: 41.420, -91.050

Hail, Johnson

When: June 6, 12:10 PM CST
Where: Johnson County, Lone Tree
Measured: 1.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 41.480, -91.430

Thunderstorm Wind, Muscatine

When: June 6, 12:15 PM CST
Where: Muscatine County, 2 mi N of Muscatine
Property damage: $2,000
Reported by: NEWSPAPER
Coordinates: 41.450, -91.050

Golfball sized hail knocked out 7 windows in a home. Winds downed three 40 foot walnut trees and an apple tree. A 12 foot by 60 foot storage trailer was also destroyed.

Thunderstorm Wind, Muscatine

When: June 6, 12:15 PM CST
Where: Muscatine County, 1 mi N of Muscatine
Measured: 52 kt (60 mph)
Crop damage: $3,000
Reported by: NEWSPAPER
Coordinates: 41.430, -91.050

Wind-driven golfball sized hail damaged close to 350 acres of corn. Winds were estimated around 60 mph.

Hail, Muscatine

When: June 6, 12:15 PM CST
Where: Muscatine County, 1 mi N of Muscatine
Measured: 1.75 in hail
Reported by: NEWSPAPER
Coordinates: 41.430, -91.050

Wind-driven golfball sized hail damaged close to 350 acres of corn. Winds were estimated around 60 mph.

Hail, Muscatine

When: June 6, 12:15 PM CST
Where: Muscatine County, 2 mi N of Muscatine
Measured: 1.75 in hail
Property damage: $2,000
Reported by: NEWSPAPER
Coordinates: 41.450, -91.050

Golfball sized hail knocked out 7 windows in a home. Winds downed three 40 foot walnut trees and an apple tree. A 12 foot by 60 foot storage trailer was also destroyed.

Thunderstorm Wind, Louisa

When: June 6, 12:15 PM CST
Where: Louisa County, Letts
Measured: 60 kt (69 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 41.330, -91.230

Numerous trees and power lines downed.

Hail, Muscatine

When: June 6, 12:22 PM CST
Where: Muscatine County, West Liberty
Measured: 0.88 in hail
Reported by: TRAINED SPOTTER
Coordinates: 41.580, -91.270

Thunderstorm Wind, Muscatine

When: June 6, 12:25 PM CST
Where: Muscatine County, 2 mi W of Muscatine
Measured: 63 kt (72 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 41.420, -91.080

Several trees, 4 to 5 inches in diameter, were downed by the strong winds.

Thunderstorm Wind, Louisa

When: June 6, 12:30 PM CST
Where: Louisa County, Wapello
Measured: 55 kt (63 mph)
Reported by: NEWSPAPER
Coordinates: 41.180, -91.200

Numerous tree limbs downed.

Thunderstorm Wind, Scott

When: June 6, 12:40 PM CST
Where: Scott County, 1 mi SE of Dixon
Measured: 70 kt (81 mph)
Property damage: $10,000
Reported by: GENERAL PUBLIC
Coordinates: 41.730, -90.770

Winds in excess of 80 mph destroyed a barn. Several trees were uprooted and outbuildings suffered heavy damage. Two pickup trucks were also damaged.

Thunderstorm Wind, Scott

When: June 6, 12:45 PM CST
Where: Scott County, 2 mi S of Dixon
Measured: 70 kt (81 mph)
Property damage: $2,000
Reported by: GENERAL PUBLIC
Coordinates: 41.720, -90.780

Intense winds uprooted a 20 foot pine tree. Numerous tree limbs were downed and a basketball hoop attached to a garage came loose and smashed through the windshield of an automobile..

Hail, Scott

When: June 6, 1:10 PM CST
Where: Scott County, Davenport
Measured: 1 in hail
Reported by: TRAINED SPOTTER
Coordinates: 41.530, -90.580

Hail, Scott

When: June 6, 1:15 PM CST
Where: Scott County, Blue Grass
Measured: 1.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 41.520, -90.770

Hail, Clinton

When: June 6, 1:15 PM CST
Where: Clinton County, 5 mi W of Clinton
Measured: 1 in hail
Reported by: TRAINED SPOTTER
Coordinates: 41.830, -90.300

Thunderstorm Wind, Clinton

When: June 6, 1:45 PM CST
Where: Clinton County, Dewitt
Measured: 60 kt (69 mph)
Property damage: $7,000
Reported by: NEWSPAPER
Coordinates: 41.820, -90.550

Damaging straight line winds near 70 mph downed numerous tree limbs throughout the town. A funeral home suffered damage to its roof when a tree landed on it. Two large umbrellas,valued at $2,000 each, weredestroyed at the Dewitt Aquatic Center.

Thunderstorm Wind, Lee

When: June 6, 2:15 PM CST
Where: Lee County, Ft Madison
Measured: 62 kt (71 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 40.630, -91.320

Several trees downed.

Thunderstorm Wind, Lee

When: June 6, 2:30 PM CST
Where: Lee County, Denmark
Measured: 62 kt (71 mph)
Reported by: TRAINED SPOTTER
Coordinates: 40.730, -91.330

What these are

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.

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

The same day elsewhere

Every storm in Iowa in 1999 Every state in 1999 This day in weather history Warnings in Iowa, 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: 5714937, 5714938, 5714939, 5716472, 5714940, 5714941, 5714946, 5714947, 5716473, 5716474, 5714936, 5714942, 5714944, 5714945, 5716467, 5716468, 5716469, 5714943, 5716470, 5716471.